tle8261-2e Infineon Technologies Corporation, tle8261-2e Datasheet

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tle8261-2e

Manufacturer Part Number
tle8261-2e
Description
Universal System Basis Chip Hermes
Manufacturer
Infineon Technologies Corporation
Datasheet

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TLE8261-2E
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D a t a S h e e t , R e v. 1 . 0 , M ay 2 00 9
T L E 8 2 6 1 - 2 E
U ni v e r s a l S y s t e m B as i s C h i p
H ER M ES
R ev . 1 . 0
A u to m o t i v e P o w e r

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tle8261-2e Summary of contents

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... SPLIT Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 8.6 Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 9.1 Block Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 9.2 Wake-Up Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 9.3 Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 10 Supervision Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 10.1 Reset Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 10.2 Watchdog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 10.3 Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 11 Interrupt Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 11.1 Interrupt Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 11.2 Interrupt Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 11.3 Interrupt Modes with SBC Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 11.4 Interrupt Application Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 Data Sheet 2 TLE8261-2E Table of Contents Rev. 1.0, 2009-05-26 ...

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... Corrupted data in the SPI data input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 14.3 SPI Input Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 14.4 SPI Output Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 14.5 SPI Data Encoding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 14.6 SPI Output Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 14.7 Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 15 Application Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 15.1 ZthJA Curve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 15.2 Hints for SBC Factory Flash Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 15.3 ESD Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 16 Package Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 17 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82 Data Sheet 3 TLE8261-2E Table of Contents Rev. 1.0, 2009-05-26 ...

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... TLE8264-2E (3LIN), TLE8263-2E (2LIN Limp Home outputs • TLE8264E (3LIN), TLE8263E (2LIN Limp Home output • TLE8262-2E (1LIN), TLE8261-2E (no LIN Limp Home outputs • TLE8262E (1LIN), TLE8261E (no LIN Limp Home output Basic Features • Very low quiescent current in Stop and Sleep Modes • ...

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... Open drain Limp Home outputs • Dedicated internal logic supply • Maximum safety architecture for Safety Operation Mode • Configurable Fail-Safe behavior • Dedicated side indicators signal 1.25Hz 50% duty cycle • Dedicated PWM signal 100Hz 20% duty cycle Data Sheet V ccHSCAN 5 TLE8261-2E HERMES Overview Rev. 1.0, 2009-05-26 ...

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... STATE MACHINE Interrupt Control RESET GENERATOR WAKE REGISTER GND 6 TLE8261-2E Block Diagram V V cc2 cc3 GND Vint. Limp Home V s CAN cell Block diagram_TLE8261-2E.vsd Rev. 1.0, 2009-05-26 LH_PL/ test Limp home LHO_SI RO V CCHSCAN TxD CAN RxD CAN CAN_H SPLIT CAN_L ...

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... V 11 cc3shunt V cc3 12 base GND cc3REF INT cc1 µ cc2 V 18 ccHSCAN Figure 2 Pin Configuration Data Sheet TLE8261-2E Exposed Die Pad 7 TLE8261-2E Pin Configuration LH_PL/Test 36 Limp home LH_SI 33 n.c. 32 GND 31 n.c. 30 n.c. 29 n. n.c. n.c. 25 RxD 24 CAN TxD 23 CAN ...

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... Termination Output; to support recessive voltage level of the bus lines. 21 CANL CAN Low Line; Low in dominant state. 22 GND Ground 23 TxD CAN Transmit Data Input; integrated pull-up resistor. CAN 24 RxD CAN Receive Data Output CAN 25 n.c. Not connected 26 n.c. Not connected Data Sheet 8 TLE8261-2E Pin Configuration Rev. 1.0, 2009-05-26 ...

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... The exposed die pad at the bottom of the package allows better dissipation of heat from the SBC via the PCB. The exposed die pad is not connected to any active part of the IC and can be left floating or it can be connected to GND for the best EMC performance. Data Sheet V or leave open for normal operation TLE8261-2E Pin Configuration 1) Rev. 1.0, 2009-05-26 ...

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... WD or Init mode off off off L.H. CAN Vcc1 over temperature shutdown act sleep V > V & Undervoltage time S UV_ON out TLE8261-2E State Machine Condition / event SBC action SPI cmd SBC Normal mode Vcc1 Vcc2 trig on on/off conf CAN L.H. act/inact conf ...

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... Note: In Init Mode it is recommended to send one SPI command that sets the device to Normal Mode, triggers the watchdog the first time and sets the required watchdog settings. Data Sheet V turns OFF, cc1µC V cc1µ the device is completely disabled. For more details on the disable UVOFF 11 TLE8261-2E State Machine Test pin INT Pin bit 0V n.a n Open / ...

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... SPI Wake register before the next Cyclic Wake-Up comes. Otherwise, the SBC goes to SBC Restart Mode. Data Sheet 12. can be switched on or off. cc2/3 Chapter 10.2.4) 12 TLE8261-2E State Machine always “ON” and cc1µC cc2 cc1µC Rev. 1.0, 2009-05-26 ...

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... The first SPI output data when going to SBC Normal Mode will always indicate the reason for the SBC Restart event. Data Sheet V after wake cc1µC V after wake or cool down of Vcc1µC. cc1µC 13 TLE8261-2E State Machine Table cc1µC is programmable RDx Rev. 1.0, 2009-05-26 ...

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... OFF after 1st Reset low from Unchanged outside Reset clamped ON Wake-up event ON undervoltage reset unchanged Reset low from Unchanged outside Reset clamped ON 14 TLE8261-2E State Machine V RO SPI Out Bits cc1µC remains ON LOW LH 0..2 remains ON LOW RM 0..1 remains ON LOW LH 0..2 ramping up LOW RM 0..1 LH 0.. ...

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... Note: Please respect the absolute maximum ratings when the device is in SBC Factory Flash Mode. Data Sheet V is above S in any configuration. 5.1. The reset can be driven by an external circuit, or pulled high with a pull-up 15 TLE8261-2E State Machine V range. LHUV V overtemperature cc1µ not powered from external ...

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... I V -0.3 DRI,RD I -500 -55 stg V -6 ESD V -2 ESD V -750 ESD_CDM _C V -500 ESD_CDM 16 TLE8261-2E General Product Characteristics Unit Test Conditions Max – 5 V/µs – 5.5 V – – CANH-CANL<|40 V|; CANH-SPLIT<|40 V| CANL-SPLIT<|40 V|; 5.5 V – – – ...

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... S UV OFF f – 4 clkSPI f – 1 clkSPI T -40 150 OFF V 4.5 5 5.5 40 S_LH 17 TLE8261-2E General Product Characteristics Unit Test Conditions V After V rising above 400 ms pulse 40 V load dump 2Ω MHz > 5 MHz If > ...

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... T – 35 – SDVcc T – 1.20 – jSDVcc/ T jPW T 150 – 200 jSDCAN T ∆ – 10 – CAN 18 TLE8261-2E General Product Characteristics Unit Test Conditions K/W 300 mm cooling area 2) 3) K/W 2s2p + 600 mm cooling area 3) K/W 3) ° ° – 3) °C ...

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... I – – 10 VS_CAN – – – – – 78 100 19 TLE8261-2E General Product Characteristics Unit Test Condition mA SBC Normal Mode 0mA; CC1µC CC2 CAN OFF mode; mA CAN Normal Mode; V Recessive state; CC2 connected to V CCHSCAN ...

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... Symbol Limit Values Min. Typ. Max. I – VS_sleep_ SBC – VS_sleep_ CAN 20 TLE8261-2E General Product Characteristics Unit Test Condition µA SBC Sleep Mode 25° 13 “OFF” CC1µC/2/3 CAN wake capable 85° µA SBC Sleep Mode ...

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... CC1µC_max CC2 V V and can be either ON or OFF by definition, V cc1µC cc2 21 TLE8261-2E Internal Voltage Regulator V CC 1µC V CC2 State Machine INH INTE RNA L RE GULA TOR DIA GRA CC1µC/2_max Figure 4 , the DMOS of the voltage regulator is ...

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... OFF , and the dependency are set to the default value. See OFF SBC Init Any mode is implemented. Refer to Chapter 12 V cc2 22 TLE8261-2E Internal Voltage Regulator Vcc2 OFF ON OFF OFF unchanged ON OFF ON OFF OFF . At the first ramp up from SBC Init cc1µC Chapter 10 ...

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... CC2,Li V ∆ – – CC2,Lo PSRR – 200 – cc2 V – – DR_Vcc2 V 4.5 4.65 UV_VCC2 23 TLE8261-2E Internal Voltage Regulator Unit Test Condition Max < <200 mA; CC1µC V 5.5 V < < < < CC1µC ...

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... External Voltage Regulator and . One transistor is tested cc3shunt cc3ref = 5.0 V with a precision of ± Q,nom is reported in the diagnostic cc3 V V < s VextUV V together . s Vcc 3ref I CC3base + - V REF External voltage diagram .vsd Table 4 OFF OFF OFF Rev. 1.0, 2009-05-26 TLE8261-2E 4%. The output , the external identifies the ...

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... Hardware Set Up Data Sheet I CC3 R T1 SHUNT Vcc3shunt Vcc3base > I CC3shunt CC3base shunt_threhold State machine 25 External Voltage Regulator t SPI t Undervoltage Managment vcc 3.vsd <200 mA). Other PNP transistors can be used. V CC3 I CC3 C 2 Vcc3ref + V - REF External voltage diagram_appli_note.vsd Rev. 1.0, 2009-05-26 TLE8261- ...

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... Do not enable the Vcc3 via SPI as this leads to increased current consumption. Data Sheet V function CC3 Reference / Value 10µF/10V GCM31CR71AA106K 220mΩ MJD253 SHUNT V shunt_threshold U shunt_threshold R -------------------------------------- = SHUNT I CC3max 26 TLE8261-2E External Voltage Regulator I I > is set is determined by the shunt CC3 CC3max . Rev. 1.0, 2009-05-26 ...

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... BE V 4.5 - 5.5 VextUV V - 0.2 - VextUVhy s Figure 8 V 4.8 5 5.2 cc3 V ∆ CC3,Lo ∆ CC3,Li 27 TLE8261-2E External Voltage Regulator Unit Test Condition 28V CC3base V µ cc3ref V V µA = cc3shunt S V – µ 0V; cc3 I = 20mA CC3base,50% Figure µ ...

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... Timing diagram for regulator reaction time “current increase regulation reaction time” and “current decrease regulation reaction time” V CC3 I CCbase Figure 9 Regulator Reaction Time Data Sheet I CC3base,50 rlinc rldec 28 TLE8261-2E External Voltage Regulator t t Rev. 1.0, 2009-05-26 ...

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... The CAN transceiver is designed to withstand the severe conditions of automotive applications and to support 12 V applications. Data Sheet Driver Output Stage Temp.- Protection V ccHS CAN Receiver Vs Wake V SPLIT Receiver 29 TLE8261-2E High Speed CAN Transceiver V SPI Mode CC1µC Control R TD TxD + CAN timeout To SPI diagnostic RxD Diag V CC1µC ...

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... After wake-up the transceiver can be switched Vcc1µC INT Ramping up HIGH 1) ON LOW Ramping HIGH Ramping up HIGH 1) ON LOW automatically transfers the SBC into the SBC WU Figure 30 TLE8261-2E RxD Int. Bit WK CAN LOW 1 LOW 1 LOW 1 LOW 1 LOW 1 11. The microcontroller is Rev. 1.0, 2009-05-26 ...

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... In SBC Normal Mode wake-up is detected signaled by the “WK CAN” SPI bit and INT output, and RxD remains LOW. Data Sheet CAN Waked t ROx SBC Restart 31 TLE8261-2E High Speed CAN Transceiver Communication starts CAN Normal mode SPI command SBC Normal mode Application with sleep .vsd Rev ...

Page 32

... Data Sheet V , the CAN cell does not have enough supply voltage. In this state, the UV_OFF I CANH,lk Wake capable Wake capable Wake capable Wake capable Figure 11 shows the typical timing. 32 TLE8261-2E High Speed CAN Transceiver I and . CANL,lk Normal Receive only Rev. 1.0, 2009-05-26 ...

Page 33

... TxD time-out function deactivates the transmission of the signal TxD TxD Time -out Interrupt t TxD_TO t t > bus dominant clamping is detected. The CAN BUS_TO 33 TLE8261-2E High Speed CAN Transceiver Figure 12. SPI setting : CAN Normal Mode t t Txd timeout .vsd Rev. 1.0, 2009-05-26 ...

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... Data Sheet Overtemperature D Recessive V cc1µC Figure 14. The SPLIT termination for the left and right nodes is 34 TLE8261-2E High Speed CAN Transceiver R Dominant ), although there is a message sent on the under voltage CC2 ...

Page 35

... Application example for the SPLIT Pin . Data Sheet 60Ohm CAN split Bus termination 60Ohm 10nF split 1,5 kOhm 1,5 kOhm termination at stub CANH SPLIT CANL TLE 6251 G NERR 35 TLE8261-2E High Speed CAN Transceiver CANH TLE 6251 DS 60Ohm split SPLIT termination 10nF 60Ohm CANL Rev. 1.0, 2009-05-26 ...

Page 36

... diff V – 0.8 1.15 diff, rd_W V 0.4 0.7 – diff, dr_W V – 120 – diff, hys_W 36 TLE8261-2E High Speed CAN Transceiver = -40 °C to +150 °C; all voltages j Unit Test Condition diff CANH CANL CAN Normal Mode diff CANH CANL ...

Page 37

... RxD,L V cc1µC V 0.7 × – – TD,H V cc1µC V 0.3 × – – TD,L V cc1µC 37 TLE8261-2E High Speed CAN Transceiver = -40 °C to +150 °C; all voltages j Unit Test Condition V CAN Normal Mode no load mV CAN Normal Mode TxD cc1µC no load V CAN Normal Mode ...

Page 38

... TxD_TO t 0.3 0.6 1.0 BUS_TO 38 TLE8261-2E High Speed CAN Transceiver = -40 °C to +150 °C; all voltages j Unit Test Condition 1) mV kΩ – µs CAN Wake capable Mode ns CAN Normal Mode pF Ω ccHSCAN ...

Page 39

... DIFF V RxD V cc1µC GND Figure 15 Timing Diagrams for Dynamic Characteristics Data Sheet t t d(L),T V diff, rd_N t d(L),R t d(L),TR 0 cc1µC 39 High Speed CAN Transceiver t d(H),T V diff, dr_N t t d(H),R t d(H),TR 0 cc1µ namic c harac teris tics .v sd Rev. 1.0, 2009-05-26 TLE8261-2E ...

Page 40

... SBC can wake up by changing the wake input voltage. The cc1µC t The wake-up capability can be enabled or disabled via SPI command (SBC OFF Mode) the pin high impedance; a wake event will be 40 TLE8261-2E State machine Wake.vsd t . This is used to avoid a WK, f. ...

Page 41

... Mode, the SBC will wake-up after entering the Sleep Mode. Therefore it always needs to be ensured that the bits are cleared before sending the SBC to Sleep Mode. Data Sheet V WK, WK,f WK,f No Wake Event 41 TLE8261-2E V WK,th Wake Event Wake Pin Diagram .vsd Rev. 1.0, 2009-05-26 WK Pin t ...

Page 42

... Symbol Limit Values Min. Typ. Max WK,th V 0.1 – 0.7 I, hys – – -30 – -3 PU_MON I 3 – 30 PD_MON 42 TLE8261-2E WK Pin Unit Test Condition V – V µs – V µ > µ µ Rev. 1.0, 2009-05-26 ...

Page 43

... Trigger Trigger SBC Normal 43 Supervision Functions has reached the reset threshold undervoltage t RDx t LW SPI Init t RR SBC Restart SBC Normal Rev. 1.0, 2009-05-26 TLE8261- the reset RT1,r t and Res_per_8264.vsd ...

Page 44

... SBC retains the set the mode before entering the Stop Mode SBC does not retain the set-up. SBC does not retain the set-up SBC will start default Watchdog setting (256ms Time-out Watchdog) when entering Normal Mode. 44 TLE8261-2E Supervision Functions the RO RD1 RD2 Rev ...

Page 45

... Restart Mode or to Fail-Safe Mode. A watchdog reset is created by setting the reset output RO low (see Figure 20). In config 1 and config 3 the watchdog starts again in Normal Mode with the default watchdog setting (256ms Time-out Watchdog). The watchdog failure can be read at the bits RM0, RM1, LH0, LH1, LH2 via SPI. Data Sheet 45 TLE8261-2E Supervision Functions Rev. 1.0, 2009-05-26 ...

Page 46

... If the new settings were not valid, the watchdog will continue with the old settings and generate a “Wrong WD Set” interrupt. Data Sheet WD Un- open window certainty safe trigger area 0.45 0. WDR Time-out (too long) 46 TLE8261-2E Supervision Functions t OWmax t OWmin uncertainty 0.9 1.0 Wd1_per .vsd ...

Page 47

... WD conf WD not active SPI cmd = SBC SW Flash mode &,WD OFF SPI cmd = SBC SW Flash mode &,WD OFF & WD Trigger WD OFF 47 TLE8261-2E Supervision Functions SPI cmd WD trig SBC Normal mode WD conf Cyclic WK WD active ON / OFF SPI cmd = SBC Normal mode & WD OFF & ...

Page 48

... RD2 t – 256 – - CLKSBC V and Reset Threshold Voltage for falling Vcc. CC1µC 48 TLE8261-2E Supervision Functions Unit Test Condition V default setting, Vcc falling V default setting, Vcc rising V SPI option;Vcc falling V SPI option; Vcc rising V V SPI option; ≥ Vcc ...

Page 49

... CC1µC Rising Rising Rising 49 Interrupt Function 1 at the event, and remains latched at least until Chapter 13. R INT INT INTERRUPT BLOCK.VSD SPI bit V OTP CC1µ CC2 OT HSCAN CAN Failure 1..0 CAN Bus Rev. 1.0, 2009-05-26 TLE8261-2E State Event / State Event/ State ...

Page 50

... INT Activation 1) ) Rising and falling 1) ) Rising and falling Rising 1) ) Rising 1) ) Rising Rising Rising Rising Rising Rising Rising V is shown in CC2 50 TLE8261-2E Interrupt Function SPI bit State UV _VCC2 Event / UV _VCC3 State I I > CC3 CC3MAX UV _VCC2 Event UV _VCC3 SPI Fail Reset Event Wrong WD set WK CAN WK WK pin 1 ...

Page 51

... Conf. Select 000 Conf. Select 001 Conf. Select 002 INT bit UV_V CC2 Figure 23 Interrupt Vcc2 switch-on. Data Sheet Vcc2 switched on by SPI optional required TLE8261-2E Interrupt Function optional Interrupt_ SwitchOn_ VCC2 .vsd Rev. 1.0, 2009-05-26 ...

Page 52

... Figure 25 Interrupt Vcc2 Over Temperature. Data Sheet required optional required optional TLE8261-2E Interrupt Function V is shown in Figure 24. The interrupt is CC2 required optional Interrupt_UV_VCC2.vsd V is shown in Figure 25. The interrupt is ...

Page 53

... Data Sheet t . Afterwards, the INT pin is released but the INT source is still INTTO t INTTO t INTTO SPI read out t , even if the corresponding interrupt register is read out immediately after INT 53 TLE8261-2E Interrupt Function . If an INTTO t . The INT pulse width INTO INTTO t interupt timing.vsd SPI read out Rev ...

Page 54

... INT V 0.3 x – – CFGLO V cc1µC V – – 0.7 x CFGHI V cc1µC R – 250 – CFG 54 TLE8261-2E Interrupt Function Unit Test Condition − µ INT -20µA INT V kΩ INT V – V – kΩ – ...

Page 55

... Chapter Limp home LIMP HOME.VSD f LHSI Limp home LH_SI LIMP HOME_LHSI.VSD d (20% LOW, 80% high impedance), designed to dim PL Figure 29. The LH_PL function is activated when the Limp Home 55 TLE8261-2E Limp Home 27; therefore necessary V V 12. below , s LHUV d frequency with and designed SI Rev. 1.0, 2009-05-26 ...

Page 56

... It means to leave Software Development Mode, the SBC must go back to SBC S UVOFF OFF mode. Data Sheet T test SBC Init mode R LH_ PL T LH_PL Limp home Figure 3. The Test pin has an integrated pull-up resistor 56 TLE8261-2E Limp Home LH_P L_test. vsd V V > until Init Mode is left). If the S UVON Rev. 1.0, 2009-05-26 V the s ...

Page 57

... was ON until the successful Watchdog setting and deactivation via SPI. ) INITTO undervoltage time-out thermal shutdown RT1 RT2 and SthUV1 SthUV2 SthUV3 V under voltage time-out ( cc1µC 57 TLE8261-2E Table 10 and Table cc1µ RT3 t ). Vcc1UVTO V undervoltage time-out. cc1µC Rev. 1.0, 2009-05-26 Limp Home 11. ...

Page 58

... Vcc1µC V RTx GND RO SBC Sleep SBC Restart t Wake Up RDx Limp home GND V Figure 30 undervoltage time-out timing cc1µC Data Sheet V RTx t Vcc1UVTO SBC Normal SBC Restart TLE8261-2E Limp Home t t SBC Fail safe t t undervoltage time out.vsd Rev. 1.0, 2009-05-26 ...

Page 59

... Test,hys V 1 – – Test, Test f 90 100 110 LH_PL TLE8261-2E Limp Home Unit Test Condition – With SPI set. Default Setting 1mA LH µ 28V default setting RT1 V V SPI option ...

Page 60

... V is high, above the reset threshold V cc1µC Time out R CFG INTERRUPT BLOCK_CONFIG.VSD Chapter 11.5 60 TLE8261-2E Configuration Select Chapter 4.2 switched off and the device cc1µC V OFF (Config 2/4), the cc1µC is not switched off (Config 1/3) the INT R , the pull ...

Page 61

... Mode. In that case, an interrupt is generated (if not inhibited) and the bit SPI Fail is set. Since the SPI data is corrupted, the next SPI output data will remain the former one (the information is then repeated). Data Sheet Actual data Actual status TLE8261-2E Serial Peripheral Interface Figure 32). time time New data 0 1 ...

Page 62

... Res. Res. 0 Ti. Window /Time out Watchdog Set to Out / 1 Timing Bit Position Win . Reserved Test 2 Test 1 Test 0 62 TLE8261-2E Serial Peripheral Interface LSB CS2 CS1 CS0 MS2 MS1 MS0 Mode Selection Configuration Select Bits ...

Page 63

... CAN 010 SW Flash failure 1 0 011 Normal 100 Sleep RT0 101 Stop Res. 110 Fail Safe 111 Reserved SPI_Settings_out_TLE8261.vsd and then a . For more details low level. Rev. 1.0, 2009-05-26 TLE8261-2E LSB 0 MS0 000 001 010 011 100 101 110 111 ...

Page 64

... Show the device was in Restart previous SPI data Show the device is SBC Software Flash Mode Show the device is in SBC Normal Mode Show the device was in SBC Sleep Mode Show the device is in SBC Stop Mode Show the device was in SBC Fail-Safe Mode Reserved 64 TLE8261-2E Rev. 1.0, 2009-05-26 ...

Page 65

... Interrupt for HIGH to LOW transition Interrupt for both HIGH to LOW and LOW to HIGH n.a 0 n.a 65 TLE8261-2E Serial Peripheral Interface Data Output Wake on CAN (1) Wake on WK pin 00 No wake 10 Interrupt for a LOW to HIGH transition Interrupt for HIGH to LOW transition on WK ...

Page 66

... Interrupt enable (1) disabled (0) V for over current at cc3 0 Interrupt enabled (1) disabled 0 (0) for CAN failure 0 Interrupt enabled (1) disabled (0) for CAN bus failure 66 TLE8261-2E Serial Peripheral Interface Data Output V temperature pre warning cc1µC (1) HS CAN temperature shutdown (1) V temperature shutdown (1) cc2 ...

Page 67

... Limp Home output state. Activated (1) when entry condition is met Activation (1) of the cyclic wake 1 1 Watchdog failure to Limp Home active only one Watchdog failure brings to Limp Home activated two consecutive Watchdog failures bring to Limp Home activated. 67 TLE8261-2E Serial Peripheral Interface Table 17 Rev. 1.0, 2009-05-26 ...

Page 68

... Check sum of the bit 13...6 In case the CHK SUM is wrong, the device remains in previous valid state. Reserved for input For output, refer to Timer (ms ... 256 (default setting) 68 TLE8261-2E Serial Peripheral Interface ⊕ … ⊕ CHKSUM Bit13 Bit6 = Table 19, Table 20 and Table 21 Chapter 10 ...

Page 69

... Undervoltage First Watchdog failure (config 3 and acknowledge of the Cyclic Wake- SPI command in SBC Software Flash Mode or reset low from outside Data Sheet Timer (ms) 304 352 ... 976 1024 V cc1µC 69 TLE8261-2E Serial Peripheral Interface Table 19. The Rev. 1.0, 2009-05-26 ...

Page 70

... OFF in SBC Fail-Safe Mode after one Watchdog failure (config 2) cc1µC remains ON in SBC Restart Mode after two Watchdog failures (config 3) cc1µC is OFF in SBC Fail-Safe Mode after two Watchdog failures (config 4) cc1µC 70 TLE8261-2E Serial Peripheral Interface V remains ON, no cc1µC V remains ON, no cc1µ ...

Page 71

... This does not clear the bits. It will be reset when the microcontroller requests the read out Data Sheet Mode selection bits (MS2...0) Configuration select (CS 2..0) Sleep mode Fail-Safe mode Restart mode Restart mode Init mode 71 TLE8261-2E Serial Peripheral Interface 1) Wake Register interrupt 1) Limp Home register 1) Limp Home register SBC Configuration Register SBC Configuration Register Rev ...

Page 72

... MS1 MS2 CS0 CS1 CS2 Configuration Registers Configuration Select Rev. 1.0, 2009-05-26 TLE8261- refresh state TIME refresh state TIME ...

Page 73

... DISU t 50 – – DIHO 73 TLE8261-2E Serial Peripheral Interface Unit Test Condition V – V – – 0.7 × V kΩ CSN CC1µ 0.2 × V kΩ SDI/CLK CC1µC ...

Page 74

... ENSDO t – – 50 DISSDO t – – 60 VASDO LSB 28 LSB 74 TLE8261-2E Serial Peripheral Interface Unit Test Condition ns – ns – µs – µ 100 100 low impedance ns high impedance 100 ...

Page 75

... LOGIC State Machine TxD CAN RxD CAN INT CC2 CAN cell V CCHSCAN CANH Limp Home SPLIT CANL LH_SI LH_PL/Test DEVICE GROUND GND TLE8261-2E Application Information V DD IC2 GND 12 IC3 GND ...

Page 76

... CC3 400mA max Wetting current of the switch CAN bus termination CAN bus termination Limit the WK pin current in ISO pulses Insulation of the VDD supply Set config 1/3. If not connected config 2/4 is selected 76 TLE8261-2E Application Information depending on load. for CAN Transceiver CC2 I CC3 Rev. 1.0, 2009-05-26 ...

Page 77

... Alternative power element of limit to be adapted changed. High active Limp Home High active Limp Home High active Limp Home Reverse polarity protection micro-controller high side switches Low speed CAN High speed CAN 77 TLE8261-2E Application Information V CC3 V current CC3, Rev. 1.0, 2009-05-26 ...

Page 78

... Figure 39 Board Set-up Board set-up is done according to Data Sheet 0,01 0,1 1 tim e (s) 300mm² cooling area 100mm² cooling area JESD 51-3, single layer FR4 PCB 70 µm 78 TLE8261-2E Application Information 10 100 1000 10000 Zthja curves.vsd minimum footprint PCB set up.vsd . Rev. 1.0, 2009-05-26 ...

Page 79

... CSN CLK SDO SDI TxD LIN1 RxD LIN1 TxD LIN2 RxD LIN2 TxD LIN3 RxD LIN3 TxD CAN RxD CAN INT RO 79 TLE8261-2E Application Information V must be set below 3 V before applying s Reset 5V signal V CSN DD CLK SDI µC SDO TxD LIN1 ...

Page 80

... Can be driven from external if required Can be driven from external if required Can be driven from external if required Can be driven from external if required Can be driven from external if required Can be driven from external if required Table 25 Unit Remarks kV positive pulse kV negative pulse 80 TLE8261-2E Application Information below. 1) Rev. 1.0, 2009-05-26 ...

Page 81

... Data Sheet C 0.1 C 36x SEATING PLANE 0.17 A-B C 36x Ejector Mark -0.2 4) Leadframe Ex Ey A6901-C001 7 5.1 A6901-C003 7 5.1 A6901-C007 5.2 4.6 A6901-C008 6.0 5.4 81 TLE8261-2E Package Outline 0.35 x 45˚ 1) 7.6 -0.2 0.7 ±0.2 10.3 ±0.3 D Bottom View 19 36 Exposed Diepad Index Marking PG-DSO-36-24, -38, -41, -42, -50-PO V09 Dimensions in mm Rev. 1.0, 2009-05-26 ...

Page 82

... Revision History Version Date Parameter 1.0 2009-05-25 Data Sheet Changes First Rev. of Data Sheet 82 TLE8261-2E Revision History Rev. 1.0, 2009-05-26 ...

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Edition 2009-05-26 Published by Infineon Technologies AG 81726 Munich, Germany 2009 Infineon Technologies AG © All Rights Reserved. Legal Disclaimer The information given in this document shall in no event be regarded as a guarantee of conditions or characteristics. With ...

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