BTS5481SF Infineon Technologies, BTS5481SF Datasheet
BTS5481SF
Specifications of BTS5481SF
Related parts for BTS5481SF
BTS5481SF Summary of contents
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SPI Power Controller For Advanced Front Light Control Rev. 1.0, 2011-11- ...
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... Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 9 Serial Peripheral Interface (SPI 9.1 SPI Signal Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 9.2 Daisy Chain Capability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 9.3 Timing Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 9.4 Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 9.5 SPI Protocol 8 Bit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 9.6 Register Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 10 Application Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 11 Package Outlines SPOC - BTS5481SF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 Data Sheet SPOC - BTS5481SF Table of Contents Rev. 1.0, 2011-11-17 ...
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... Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 Data Sheet SPOC - BTS5481SF 3 Table of Contents Rev. 1.0, 2011-11-17 ...
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... AEC Qualified Description The SPOC - BTS5481SF 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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... The current sense output of the external smart power drivers can be connected to the IS pin. The SPOC-BTS5480SF The SPOC - BTS5481SF provides a fail-safe feature via limp home input pin. The power transistors are built by N-channel vertical power MOSFETs with charge pumps. ...
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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 - BTS5481SF 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 EDO0 EDO1 GND I GND V V … ). DS0 DS3 7 SPOC - BTS5481SF Block Diagram I L0 OUT0 OUT1 V OUT1 DS2 OUT2 V OUT2 OUT3 V OUT3 I EDO EDD0 EDO 0 ...
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... Pin Configuration 3.1 Pin Assignment SPOC - BTS5481SF 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 - BTS5481SF Pin Configuration ...
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... External driver output for activation of external driver 0 O External driver output for activation of external driver 1 O External driver diagnosis enable signal of external driver 0 O External driver diagnosis enable signal of external driver 1 – not connected, internally not bonded 9 SPOC - BTS5481SF 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 - BTS5481SF Electrical Characteristics Unit Conditions max – 5.5 V – ° jStart t ≤ 2 min mΩ ECU mΩ/m Cable µH/m Cable ...
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... EDD I -1.0 EDD T -40 j Δ T – -55 stg V ESD OUT pins vs (0) × < t < t D(t) D pulse 11 SPOC - BTS5481SF Electrical Characteristics Limit Values Unit Conditions max. t ≤ 2 min. 2.0 mA 5.5 V – 0.75 mA – ≤ 2 min 0.3 V – ≤ 2 min. 1 0.3 V – ...
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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 12 SPOC - BTS5481SF 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 - BTS5481SF 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 14 SPOC - BTS5481SF 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) 15 SPOC - BTS5481SF 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 - BTS5481SF 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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... IN1 Channel 1 IN2 Channel 2 IN3 Channel 3 Data Sheet OUT5 OUT4 OUT3 OUT2 OUT1 OR & & COL 17 SPOC - BTS5481SF Power Stages OUT0 OR Gate Driver 0 & OR Gate Driver 1 & Gate Driver 2 Gate Driver 3 OR External Driver Output 0 & OR External Driver Output 1 & ...
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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 18 SPOC - BTS5481SF 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) 19 SPOC - BTS5481SF Power Stages t t OFF (fall ) t SwitchOn.emf V drops below ground potential, OUT T and load current j ...
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... External Driver Control Two external smart power drivers can be driven by the SPOC - BTS5481SF via the external driver control block. For each external driver there are two control outputs available: one output for controlling the input (EDOx) and one output for diagnosis enable input (EDDx). The current sense output of the external smart power drivers can be connected to the IS pin ...
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... I L(OFFidle) channel 0, 1 – – – channel 2, 3 – – – 21 SPOC - BTS5481SF 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) 22 SPOC - BTS5481SF 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 – – 23 SPOC - BTS5481SF Power Stages T = -40 °C to +150 °C j Unit Test Conditions 1) V µ – – 25 – HWCR.LEDn = 0 8 – ...
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... EDO( EDO(H) DD 0.4V t – EDO(en) t – EDO(dis EDD( EDD(H) DD 0.4V t – EDD(en) t – EDD(dis) 24 SPOC - BTS5481SF 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 V/µ ...
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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 25 SPOC - BTS5481SF 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 - BTS5481SF 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 - BTS5481SF 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 28 SPOC - BTS5481SF 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 29 SPOC - BTS5481SF 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) 30 SPOC - BTS5481SF 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 - BTS5481SF 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 - BTS5481SF 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 - BTS5481SF Protection Functions T = -40 °C to +150 °C j Unit Test Conditions typ. max – – – ...
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... Diagnosis For diagnosis purpose, the SPOC - BTS5481SF 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 - BTS5481SF 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 36 SPOC - BTS5481SF 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 - BTS5481SF 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 - BTS5481SF, 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 39 SPOC - BTS5481SF = -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 – – 40 SPOC - BTS5481SF 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 41 SPOC - BTS5481SF 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 - BTS5481SF 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 - BTS5481SF 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) 44 SPOC - BTS5481SF 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 – 45 SPOC - BTS5481SF 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) – – – – 46 SPOC - BTS5481SF 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) 47 SPOC - BTS5481SF Serial Peripheral Interface (SPI DATA DATA ERR3 ERR2 ERR1 OUT3 OUT2 ...
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... PRO+ res OST3 OST2 0 1 COL INCG 1 0 LED3 LED2 1 0 LED3 LED2 1 1 SBM 1 1 CSOL 48 SPOC - BTS5481SF Serial Peripheral Interface (SPI DATA default OUT1 OUT0 00 OUT5 OUT4 10 OST1 OST0 28 CSL CAL 00 STB CL 02 RST CL - MUX 07 MUX - Rev ...
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... Input signal OR-combined with according OUTL register bit 1 Input signal AND-combined with according OUTL register bit Standby Mode 0 Device is awake 1 Device is in Standby mode Set LED Mode for Channel n 0 Channel bulb mode 1 Channel LED mode 49 SPOC - BTS5481SF Serial Peripheral Interface (SPI) Rev. 1.0, 2011-11-17 ...
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... OUTH.PRO EDD0 = 1, EDD1 = 0 101 OUTH.PRO EDD0 = 1, EDD1 = 1 110 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 - BTS5481SF Serial Peripheral Interface (SPI) Rev. 1.0, 2011-11-17 ...
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... OUT3 GND VDD CS SPI SCLK LHI 8kΩ SO 10kΩ SI external driver EDO0 control EDD0 EDO1 EDD1 GND 2 10Ω 51 SPOC - BTS5481SF Application Description WD-OUT VS IN1 PROFET OUT1 IN2 Ch1 DEN DSEL PROFET IS OUT2 Ch2 GND 1 For filtering and protection purposes ...
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... Package Outlines SPOC - BTS5481SF 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 53 SPOC - BTS5481SF 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 ...