BTS5461SF Infineon Technologies, BTS5461SF Datasheet
BTS5461SF
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BTS5461SF Summary of contents
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SPI Power Controller For Advanced Front Light Control Rev. 1.0, 2011-11- ...
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... Serial Peripheral Interface (SPI 9.1 SPI Signal Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 9.2 Daisy Chain Capability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 9.3 Timing Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 9.4 Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 9.5 SPI Protocol 8 Bit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 9.6 Register Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 10 Application Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 11 Package Outlines SPOC - BTS5461SF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 12 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 Data Sheet SPOC - BTS5461SF Table of Contents Rev. 1.0, 2011-11-17 ...
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... AEC Qualified Description The SPOC - BTS5461SF is a four channel high-side smart power switch in PG-DSO-36-43 package providing embedded protective functions especially designed to control standard exterior lighting in automotive applications. In order to use the same hardware, the device can be configured to bulb or LED mode for channel 2 and channel 3 ...
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... An over load and over temperature flag is provided in the SPI diagnosis word. A multiplexed switch bypass monitor provides short-circuit one selected channel in order to detect an open load. The SPOC - BTS5461SF provides a fail-safe feature via limp home input pin. The power transistors are built by N-channel vertical power MOSFETs with charge pumps. Protective Functions • ...
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... Block Diagram power VDD supply IN1 IN2 IN3 ESD protection IS LHI CS SCLK SO SI Figure 1 Block Diagram SPOC - BTS5461SF Data Sheet temperature clamp for sensor inductive load gate control driver & logic charge pump over current load current protection sense switch bypass ...
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... CS I SCLK SCLK I LHI LHI I IN1 IN1 I IN2 IN2 I IN3 IN3 GND I GND V V … DS0 DS3 6 SPOC - BTS5461SF Block Diagram I L0 OUT0 DS1 OUT1 V OUT1 DS2 OUT2 V OUT2 V I DS3 L3 OUT3 V OUT3 Terms_STD.emf ). Rev. 1.0, 2011-11-17 V DS0 ...
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... Pin Configuration 3.1 Pin Assignment SPOC - BTS5461SF OUT0 OUT0 OUT0 OUT0 OUT3 OUT3 LHI SCLK GND IN1 IN2 IN3 Figure 3 Pin Configuration PG-DSO-36-43 Data Sheet (top view ) SPOC - BTS5461SF Pin Configuration ...
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... Serial input of SPI interface (high active) O Serial output of SPI interface O Current sense output signal I Limp home activation signal (high active) – not connected, internally not bonded – Test pins, internally bonded and pulled down, do not connect 8 SPOC - BTS5461SF Pin Configuration Rev. 1.0, 2011-11-17 ...
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... -0 -0.75 IN -2 -0.3 SCLK I -2.0 SCLK V -0 SPOC - BTS5461SF Electrical Characteristics Unit Conditions max – 5.5 V – ° jStart t ≤ 2 min mΩ ECU mΩ/m Cable µH/m Cable ...
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... LHI -2.0 T -40 j Δ T – -55 stg V ESD OUT pins vs (0) × < t < t D(t) D pulse 10 SPOC - BTS5461SF Electrical Characteristics Limit Values Unit Conditions max. t ≤ 2 min. 2.0 mA 5.5 V – 0.75 mA – ≤ 2 min. t 2.0 °C 150 – – °C 150 – ...
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... Where applicable, a thermal via array under the package contacted the first inner copper layer. Data Sheet Symbol Limit Values Min. Typ – – thJSP R – 35 thJA 11 SPOC - BTS5461SF Electrical Characteristics Unit Conditions Max. 20 K/W measured to pin 28, 35 – K/W Rev. 1.0, 2011-11-17 ...
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... Power Supply The SPOC - BTS5461SF is supplied by two supply voltages V switches. The supply line is used by the SPI related circuitry and for driving the SO line. A capacitor between DD pins VDD and GND is recommended as shown in There is a power-on reset function implemented for the supply, all SPI registers are reset to their default values. The SPI interface including daisy chain function is active ...
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... VDD supply. Channels 1, 2 and 3 can be activated via V voltage level is higher than DD V voltage. The outputs OUT1 to OUT3 can be activated via the input pins S Figure 26. The SPI interface is operating normally, so the limp home 13 SPOC - BTS5461SF Power Supply V . The SPI interface can be accessed DD(PO) t LH(ac) Rev. 1.0, 2011-11-17 . The SPI ...
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... GND V 0 LHI(L) V 1.8 LHI( LHI( LHI(H) V – DD(PO) t – WU(PO) t – WU(STCH LH(ac) 14 SPOC - BTS5461SF Power Supply = -40 °C to +150 ° Limit Values Unit Test Conditions typ. max. – – 1) – Parameter deviations possible V µ LHI ° ...
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... Input Circuit The outputs of the SPOC - BTS5461SF can be activated either via the SPI register OUTL.OUTn or via the dedicated input pins. There are two different ways to use the input pins, the direct drive mode and the assigned drive mode. The default setting is the direct drive mode. To activate the assigned drive mode the register bit ICR ...
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... Channel 2 and 3 are assigned to only one input pin. The following mapping is used: Data Sheet OUT3 OUT2 OUT1 OUT0 OR & OR & & COL b 16 SPOC - BTS5461SF Power Stages OR Gate Driver 0 & Gate Driver 1 Gate Driver 2 Gate Driver 3 & InputMatrix_STD .emf Rev. 1.0, 2011-11-17 ...
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... LED loads: On-state resistance switching timings ( DS(ON) delay(ON) k and current sense ratio . ILIS Data Sheet (Figure VS OUT GND slew rates d delay(OFF) ON OFF 17 SPOC - BTS5461SF Power Stages b 6 OUT Output.emf and current protections ON OFF Rev. 1.0, 2011-11-17 I L(trip) ...
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... The device provides SmartClamp functionality. To increase V increases with the junction temperature DS(CL) I (4.1.8)). Please refer to Ltrip ) the affected channel stays in ON OFF-state. Furthermore, during applied S k (8.5.3). ILIS(IC) 18 SPOC - BTS5461SF Power Stages t t OFF (fall ) t SwitchOn.emf V drops below ground potential, OUT T and load current j ...
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... I L(OFFidle) channel 0, 1 – – – channel 2, 3 – – – 19 SPOC - BTS5461SF Power Stages = -40 °C to +150 ° Unit Test Conditions mΩ 7 3.5 – ° 150 °C j HWCR ...
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... Symbol Limit Values min. typ. max. -I L(IC) channel channel IN(L) V 1.8 IN( IN( IN(H) 20 SPOC - BTS5461SF Power Stages T = -40 °C to +150 °C j Unit Test Conditions influences on switching functionality of – – unaffected channels, – – influence according Δ k (8.5.3) ILIS(IC) – 0.8 V – ...
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... ON(rise) channel 0, 1 – channel 2, 3 – – t OFF(fall) channel 0, 1 – channel 2, 3 – – 21 SPOC - BTS5461SF Power Stages T = -40 °C to +150 °C j Unit Test Conditions 1) V µ – – 25 – HWCR.LEDn = 0 8 – ...
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... channel 0, 1 0.2 channel 2, 3 0.2 0 OFF channel 0, 1 0.2 channel 2, 3 0.2 0.6 22 SPOC - BTS5461SF Power Stages T = -40 °C to +150 °C j Unit Test Conditions V µ 2.2 Ω – – 70 HWCR.LEDn = 6.8 Ω L – 50 HWCR.LEDn = Ω ...
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... Data Sheet over current Switch off by over L current switch off j Restart by dynamic temperature sensor ERR-flag will be reset by standard diagnosis readout during restart 23 SPOC - BTS5461SF Protection Functions I by the device L(trip) V voltage. Please refer to following figures DS normal operation Latch OFF due ...
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... ERR-flag will be reset by standard diagnosis readout during restart V voltage according to the following figure and retry(LV) retry(MV) no retry SPOC - BTS5461SF Protection Functions normal operation Latch OFF due to over temperature t n < n retry over load removed CurrentTrippingDeltaT_OT ...
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... Over Current Protection at high The SPOC - BTS5461SF provides an over current protection for I I > during turn on the channel switches off and latches immediately. For details please refer to parameter L L(Vtrip) I (7.9.4). L(VTRIP) I The current trip level is below the current trip level L(Vtrip) defined by the parameter Δ ...
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... Data Sheet normal over current operation t > t over load delay(trip) removed t (7.9.9) until resetting the latch. reset(CL) Latch OFF due to over temperature n retry 26 SPOC - BTS5461SF Protection Functions normal operation CurrentTrippingLowVDS .emf the input pin or the bit in the SPI ...
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... Data Sheet over load Restart by dynamic Switch off by dynamic temperature sensor temperature sensor ∆T jSW ERR-flag will be reset by standard diagnosis readout during restart 27 SPOC - BTS5461SF Protection Functions normal operation Latch OFF due maximum number of retries reached retry ...
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... T jSW ERR-flag will be reset by standard diagnosis readout during restart V V and the output transistors are still operational and follow S(SC) max S(CL) 28 SPOC - BTS5461SF Protection Functions normal operation Latch OFF due to over temperature t n < n retry ...
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... Loss of Ground In case of complete loss of the device ground connections, but connected load ground, the SPOC - BTS5461SF securely changes to or stays in OFF-state. V 7.8 Loss case of loss of connection in on-state, all inductances of the loads have to be demagnetized through the S ground connection or through an additional path from VS to GND. For example, a suppressor diode is recommended between VS and GND ...
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... L(Vtrip) channel channel 15.5 3.8 3 DS(Vtrip) Δ SPOC - BTS5461SF Protection Functions = -40 °C to +150 ° Unit Test Conditions typ. max < – 120 = -40 ° – ° – 100 = 150 °C j HWCR ...
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... R DS(REV) channel 0, 1 – – channel 2, 3 – – V S(CL GND 40 channel channel SPOC - BTS5461SF Protection Functions T = -40 °C to +150 °C j Unit Test Conditions typ. max – – – ...
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... Diagnosis For diagnosis purpose, the SPOC - BTS5461SF provides a current sense signal at pin IS and the diagnosis word via SPI. There is a current sense multiplexer implemented that is controlled via SPI. The sense signal can also be disabled by SPI command. A switch bypass monitor allows to detect a short circuit between the output pin and the battery voltage ...
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... Input Level Output Level V OUTL.OUTn GND (OFF-state) GND > (ON-state) ~ GND > SPOC - BTS5461SF Current Error Flag 2) Sense I ERRn OUT ILIS ...
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... Data Sheet provided during on-state as long as no failure mode occurs. The ILIS < 5 kΩ. A typical value is 2.7 kΩ Channel 0, 1 ILIS 2) k Channel 2, 3 ILIS 34 SPOC - BTS5461SF R is connected to the current sense pin Rev. 1.0, 2011-11-17 Diagnosis ...
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... Timing of Current Sense Signal Current Sense Multiplexer There is a current sense multiplexer implemented in the SPOC - BTS5461SF that routes the sense current of the selected channel to the diagnosis pin IS. The channel is selected via SPI register DCR.MUX. The sense current also can be disabled by SPI register DCR.MUX. For details on timing of the current sense multiplexer, please refer ...
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... Current Sense Offset Trimming To increase the current sense accuracy of SPOC - BTS5461SF, a circuitry to measure and trim the sense offset current is implemented. This so called calibration mode is activated by the SPI command ICR.CAL = 1 calibration mode, a current proportional to the positive offset of the operational amplifier is provided on the IS pin. ...
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... ILIS 3120 4420 5030 5130 5490 990 1240 1400 1540 1540 165 300 350 385 400 37 SPOC - BTS5461SF = -40 °C to +150 ° Unit Test Conditions typ. max -40 °C j 5840 28000 – 6140 12510 – 6350 9210 – 6430 8510 – ...
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... IS(dis) t sIS(ON) channel 0, 1 – channel 2, 3 – – t dIS(OFF) – – t sIS(LC) channel 0, 1 – channel 2, 3 – – 38 SPOC - BTS5461SF T = -40 °C to +150 °C j Unit Test Conditions typ. max. 1) DCR.MUX ≠ 111 I = 7.5 A L0, 1 – 7.5 A L1, 0 (IC) – ...
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... ° Symbol Limit Values min. t – sIS(EN) t – sIS(MUX) t – dIS(MUX) V 1.5 DS(SB) I 100 L(OL) 3.0 39 SPOC - BTS5461SF T = -40 °C to +150 °C j Unit Test Conditions typ. max. R – 25 µs = 2.7 kΩ IS DCR.MUX: 110 -> 000 R – 30 µs = 2.7 kΩ 2.2 Ω Ω ...
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... SPI Signal Description CS - Chip Select: The system micro controller selects the SPOC - BTS5461SF by means of the CS pin. Whenever the pin is in low state, data transfer can take place. When high state, any signals at the SCLK and SI pins are ignored and SO is forced into a high impedance state. ...
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... Daisy Chain Capability The SPI of SPOC - BTS5461SF provides daisy chain capability. In this configuration several devices are activated by the same CS signal MCS. The SI line of one device is connected with the SO line of another device (see Figure 23), in order to build a chain. The ends of the chain are connected with the output and input of the master device, MO and MI respectively ...
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... Timing Diagrams t CS(lead) CS SCLK SI t SO(en) SO Figure 25 Timing Diagram SPI Access Data Sheet SO device 2 SI device 2 t SCLK( SCLK(H) SCLK( SI(su) SI(h) t SO(v) 42 SPOC - BTS5461SF Serial Peripheral Interface (SPI) SO device 3 SI device 3 SPI_DaisyChain2.emf t t CS(lag) CS(td) 0.7V 0.2V 0.7V 0.2V 0.7V 0.2V t SO(dis) 0.7V 0.2V SPI Timing.emf Rev. 1.0, 2011-11- ...
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... CS(lag) 333 – t 200 – CS(td) 333 – – SI(su) 33 – – SI(h) 33 – 43 SPOC - BTS5461SF Serial Peripheral Interface (SPI) = -40 °C to +150 ° Unit Test Conditions max 180 kΩ = 100 µA CS 180 kΩ ...
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... Symbol Limit Values min. typ. t SO(en) – – – – t SO(dis) – – – – t SO(v) – – – – 44 SPOC - BTS5461SF Serial Peripheral Interface (SPI -40 °C to +150 °C j Unit Test Conditions max 200 = 4 333 = 3 ...
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... Diagnosis of Channel failure 1 Over temperature, over current, over load or short circuit for channel Switch Bypass Monitor < DS DS(SB > DS DS(SB) 45 SPOC - BTS5461SF Serial Peripheral Interface (SPI DATA DATA ERR3 ERR2 ERR1 OUT3 OUT2 ...
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... OUT3 OUT2 1 0 OST3 OST2 0 1 COL INCG 1 0 LED3 LED2 1 0 LED3 LED2 1 1 SBM 1 1 CSOL 46 SPOC - BTS5461SF Serial Peripheral Interface (SPI DATA default OUT1 OUT0 00 OST1 OST0 28 CSL CAL 00 STB CL 02 RST CL - MUX 07 MUX - Rev. 1.0, 2011-11-17 1) ...
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... Set LED Mode for Channel n 0 Channel bulb mode 1 Channel LED mode Clear Latch 0 Thermal and over current latches are untouched 1 Command: Clear all thermal and over current latches Reset Command 0 Normal operation 1 Execute reset command 47 SPOC - BTS5461SF Serial Peripheral Interface (SPI) Rev. 1.0, 2011-11-17 ...
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... IS pin is high impedance 101 IS pin is high impedance 110 IS pin is high impedance 111 Stand-by mode (IS pin is high impedance)) 1) Switch Bypass Monitor 0 V < DS(SB > DS(SB) Current Source Switch for Open Load Detection 0 OFF SPOC - BTS5461SF Serial Peripheral Interface (SPI) Rev. 1.0, 2011-11-17 ...
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... IN2 8kΩ IN3 IS 1kΩ 2.7kΩ 1nF GND CS SPI 3.9kΩ SCLK 3.9kΩ SO 3.9kΩ SI 3.9kΩ 10Ω SPOC - BTS5461SF Application Description 68nF VS OUT0 65 W OUT1 65 W OUT2 27 W OUT3 10 W VDD WD-OUT LHI 8kΩ 10kΩ GND 1 For filtering and protection purposes ...
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... Package Outlines SPOC - BTS5461SF 0.65 2) 0.33 ±0. 12.8 Index Marking 1) Does not include plastic or metal protrusion of 0.15 max. per side 2) Does not include dambar protrusion of 0.05 max. per side Figure 27 PG-DSO-36-43 (Plastic Dual Small Outline Package) Green Product (RoHS compliant) To meet the world-wide customer requirements for environmentally friendly products and to be compliant with government regulations the device is available as a green product ...
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... Revision History Revision Date Changes 1.0 2011-11-17 Initial revision Data Sheet 51 SPOC - BTS5461SF Revision History Rev. 1.0, 2011-11-17 ...
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... Infineon Technologies Office. Infineon Technologies components may be used in life-support devices or systems only with the express written approval of Infineon Technologies failure of such components can reasonably be expected to cause the failure of that life-support device or system or to affect the safety or effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body or to support and/or maintain and sustain and/or protect human life ...