TPS1H100－Q1汽车车体控制模块驱动器(BCM)参考设计

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TPS1H100－Q1汽车车体控制模块驱动器(BCM)参考设计

文章来源：更新时间：2015/4/7 9:52:00

TI公司的TPS1H100-Q1是全保护的高边功率开关,集成了NMOS功率FET和电荷泵,工作电压3.5V-40V,待机电流小于0.5uA,工作温度–40 到150℃,适合各种电阻,电感和电容负载,主要用在汽车电子如HVAC,车体控制模块,超声辅助停车,汽车干式双离合器变速器和车载全景可视系统.本文介绍了TPS1H100-Q1主要特性,框图,典型应用电路图以及汽车车体控制模块驱动器(BCM)参考设计TIDA-00296主要特性,框图,电路图和材料清单.
The TPS1H100-Q1 is a fully protected high-side power switch, with integrated NMOS power FET and charge pump, targeted for the intelligent control of the variable kinds of resistive, inductive, and capacitive loads. Accurate current sense and programmable current limit features differentiate it from the market.

TPS1H100-Q1主要特性:
Qualified for Automotive Applications
AEC-Q100 Qualified With the Following Results:
Device Temperature Grade 1:–40℃ to 125℃ Ambient Operating Temperature Range
Device HBM ESD Classification Level H3A
Device CDM ESD Classification Level C4B
Single-Channel Smart High-Side Power Switch With Full Diagnostics
Version A: Open-Drain Status Output
Version B: Current Sense Analog Output
Wide Operating Voltage 3.5 to 40 V
Very-Low Standby Current, <0.5 µA
Operating Junction Temperature, –40 to 150℃
Input Control, 3.3-V and 5-V Logic Compatible
High-Accuracy Current Sense, ±30 mA at 1 A, ±4 mA at 5 mA
Programmable Current Limit With External Resistor, ±20% at 0.5 A
Diagnostic Enable Function for Multiplexing of MCU Analog or Digital Interface
Tested According to AECQ100-12 Grade A, 1 Million Times Short to GND Test
Electrical Transient Disturbance Immunity Certification Certification of ISO7637-2 and ISO16750-2
Protection
Overload and Short-Circuit Protection
Inductive Load Negative Voltage Clamp
Undervoltage Lockout (UVLO) Protection
Thermal Shutdown/Swing With Self Recovery
Loss of GND, Loss of Supply Protection
Reverse Battery Protection With External Circuitry
Diagnostic
On/Off State Output Open/Short to Battery Detection
Overload and Short to Ground Detection and Current Limit
Thermal Shutdown/Swing Detection
14-Pin Thermally-Enhanced PWP Package
TPS1H100-Q1主要应用:
Automotive - HVAC
Body Control Module
Ultrasonic Park Assist
Automotive Dry Double Clutch Transmission
Surround View

图1. TPS1H100-Q1框图

图2. TPS1H100-Q1典型应用电路图

汽车车体控制模块驱动器(BCM)参考设计TIDA-00296
TIDA-00296 is a reference design that highlights TI’s high-side and low-side relay, motor, and load driver portfolios. The loads for this design (door locks, window lifts, seat heaters, HVAC, lamps, and LEDs) were chosen to show the range of loads that a BCM can drive and how TI’s solutions fit into these areas.

BCM参考设计TIDA-00296主要特性:
Robust and versatile driver products for driving various loads:
High-side pre-FET Drivers (LM9061/TPIC44H01)
Seat Heaters
Low-Side Driver (TPL7407L)
Lamps
High-Side Driver (LMD18400/TPS1H100-Q1)
HVAC Blower, Window/Windshield Actuators
Linear LED Driver (TPS92630)
LEDs
Smart drivers have diagnostic and protection capabilities via I2C and SPI
Reverse polarity protection on the power stage of the design
pre-FET drivers are used to drive discrete FETs allowing the design to have flexibility with load driving requirementsHighlights the ability of the BCM to directly drive loads with higher current requirements (~4500mA)
TIDA-00296 Board