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12V Automotive System
System Basic Chip
High/Low-side Driver
H/Half-bridge Driver
24V Automotive System
Multi-channel Configurable Pre
High/Low-side Driver
Power Management IC


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.
Diesel ECU
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Natural Gas Engine Controller

LPG engine controller

Operating condition

Operating voltage:5.5V~36V

Maximum operating voltage:60V



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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