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12V Automotive System
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24V Automotive System
Multi-channel Configurable Pre
High/Low-side Driver
Power Management IC

HE9945

Fully configurable 8-channel High/Low side MOSFET pre-driver

HE9945 is an 8-channel configurable high-low-side pre-driver chip, which can be used for high-low-side, Peak-Hold and full-bridge load control. It is compatible with 12V and 24V automotive systems. The chip is packaged in ELQFP-64.
Description
●Diesel ECU
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●Natural Gas Engine Controller

●LPG engine controller



Operating condition

●Operating voltage:5.5V~36V

●Maximum operating voltage:60V

●Tj:-40℃~150℃

Feature

●AEC-Q100 qualified

●Engineered for IS026262 compliant system

●12 V and 24 V battery systems compliance

●3.3 V and 5 V logic compatible I/O

●8-channel configurable MOSFET pre-driver

●Operating VDD supply voltage 4.5 V to 5.5 V

●All device pins, except the ground pins, withstand at least 40 V

●Programmable gate charge/discharge currents for improving EMI behavior

●With short circuit, open circuit, short circuit to ground diagnostics

●Current limitation for H-Bridge configuration

●Highly flexible overcurrent sensing implementation

●32-bit SPI protocol available for configuration and diagnostics

●Various safety features

●10-bit ADC for battery and die temperature measurements available through SPI

●VDD5 monitoring for over/under voltage

●VPS (battery) monitoring for under voltage

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