L9945

Automotive fully configurable 8-channel High/Low side MOSFET

Parameters

Operating Range	Automotive
Operating Temp Min Celsius	-40.0
Operating Temp Max Celsius	150.0
Operating Voltage Min Volt	3.8
Operating Voltage Max Volt	36.0
ECCN US	EAR99
ECCN EU	NEC
Packing Type	Tray
RoHs compliant	Ecopack2
Grade	Automotive
Package Name	TQFP-EP 64 10x10x1.0 mm

Description

The L9945 is an 8-channel MOSFET pre-driver configurable for low-side, high-side, peak and hold and H-Bridge load control. It is designed to comply with the requirements of 12 V (passenger vehicle) and 24 V (commercial vehicle) battery systems.All outputs can be PWM controlled. Six outputs are...
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Key features

Key features
AEC-Q100 qualified 12 V and 24 V battery systems compliance 3.3 V and 5 V logic compatible I/O 8-channel configurable MOSFET pre-driver High-side (N-channel and P-channel MOS) Low-side (N-channel MOS) H-bridge (up to 2 H-bridge) Peak & Hold (2 loads) Operating battery supply voltage 3.8 V to 36 V Operating VDD supply voltage 4.5 V to 5.5 V Programmable gate charge/discharge currents for improving EMI behavior Individual diagnosis for: Short circuit to battery Open load Short circuit to ground Highly flexible overcurrent sensing implementation Possibility of monitoring external MOS drain to source voltage Possibility of monitoring voltage on external shunt resistor 64 programmable overcurrent thresholds independent for each channel Ultra-fast output shutdown in case of overcurrent Current limitation for H-Bridge configuration 32-bit SPI protocol available for configuration and diagnostics Failures latched even if they occur during diagnostics reading Daisy chain operation SDO protected against overvoltage Safety features Fast switch off redundant output disable by two external pins Built In Self Test (BIST) for logic operation Hardware Self Check (HWSC) for VDD5 overvoltage comparator Configurable Communication Check (CC) watchdog timer available Disable feedback by bi-directional pin Highly redundant output monitoring by dedicated SPI registers 10-bit ADC for battery and die temperature measurements available by SPI VDD5 monitoring for over/under voltage VPS (battery) monitoring for under voltage

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Parameters

Operating Range	Automotive
Operating Temp Min Celsius	-40.0
Operating Temp Max Celsius	150.0
Operating Voltage Min Volt	3.8
Operating Voltage Max Volt	36.0
ECCN US	EAR99
ECCN EU	NEC
Packing Type	Tray
RoHs compliant	Ecopack2
Grade	Automotive
Package Name	TQFP-EP 64 10x10x1.0 mm

Description

Key features

Key features
AEC-Q100 qualified 12 V and 24 V battery systems compliance 3.3 V and 5 V logic compatible I/O 8-channel configurable MOSFET pre-driver High-side (N-channel and P-channel MOS) Low-side (N-channel MOS) H-bridge (up to 2 H-bridge) Peak & Hold (2 loads) Operating battery supply voltage 3.8 V to 36 V Operating VDD supply voltage 4.5 V to 5.5 V Programmable gate charge/discharge currents for improving EMI behavior Individual diagnosis for: Short circuit to battery Open load Short circuit to ground Highly flexible overcurrent sensing implementation Possibility of monitoring external MOS drain to source voltage Possibility of monitoring voltage on external shunt resistor 64 programmable overcurrent thresholds independent for each channel Ultra-fast output shutdown in case of overcurrent Current limitation for H-Bridge configuration 32-bit SPI protocol available for configuration and diagnostics Failures latched even if they occur during diagnostics reading Daisy chain operation SDO protected against overvoltage Safety features Fast switch off redundant output disable by two external pins Built In Self Test (BIST) for logic operation Hardware Self Check (HWSC) for VDD5 overvoltage comparator Configurable Communication Check (CC) watchdog timer available Disable feedback by bi-directional pin Highly redundant output monitoring by dedicated SPI registers 10-bit ADC for battery and die temperature measurements available by SPI VDD5 monitoring for over/under voltage VPS (battery) monitoring for under voltage