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L9908

STMicroelectronics
Part Number L9908
Manufacturer STMicroelectronics
Description Automotive 3-Phase motor gate driver
Published Mar 5, 2023
Detailed Description L9908 Datasheet Automotive 3-Phase motor gate driver unit Features TQFP48 (exposed pad down) Product status link L990...
Datasheet PDF File L9908 PDF File

L9908
L9908

Overview
L9908 Datasheet Automotive 3-Phase motor gate driver unit Features TQFP48 (exposed pad down) Product status link L9908 Product summary Order code Package Packing L9908 L9908-TR TQFP48 (exp.
Tray pad down) Tape&Reel • AEC-Q100 qualified • Full ISO26262 compliant, ASIL-D systems ready • VDH motor supply voltage range from 4.
5 V to 75 V for working in single (12 V systems), double (24 V systems) and 48 V battery applications • 3.
3 V internal supply voltage generated from 5 V on VDD pin • Digital I/O compatible to 3.
3 V/5 V logics • 6 separate N-channel FET pre-drivers: – dedicated source connection to each FET – the device can withstand -14 V to 95 V on motor connection pins – 0% to 100% duty cycle operation support – dedicated PWM input pin for each gate driver • 3 differential high accuracy current monitors for ground referred current measurements: – ADC/DAC architecture – SPI adjustable Gain Factor and Output Offset – built-in error calibration – the device can withstand -14 V to 6 V on input sensing pins – SPI readable current measurement – 0 to 4.
6 V DAC output dynamic range • 3 real time phase voltage monitor channels: – SPI programmable phase voltage feedback; – SPI readable phase duty cycle measurement; • 32-bit - 10 MHz SPI interface with 5-bit CRC and 1bit frame counter for internal setting, self-test and full diagnostics • Protection and diagnostic: – SPI programmable VDS diagnostic and protection in on-state – SPI programmable Dead Time protection – SPI programmable Shoot-through diagnostic and protection – Open load, short to GND and short to battery diagnostic in off-state – Over-temperature diagnostic and protection with SPI programmable warning flag – SPI readable Tj measurement – Ground loss diagnostic – System clock monitoring – Power supply pins VDD, VDH, VBP over-voltage and under-voltage diagnostic – FET driver supply VPRE and VCP under-voltage and over-voltage diagnostic – SPI Window Watchdog – Fault status flag output DS13546 - Rev 3...


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