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System base chip
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Product Description
The HE9788 is a chip designed for automotive engine management systems. It is designed using BCD proprietary technology, is AEC-Q100 qualified, and provides a complete set of power and signal pre-processing peripherals for four-cylinder internal combustion engines. It uses an ELQFP-100 package. Operating voltage range: 5.5V~32V
Maximum operating voltage: 45V
Operating temperature: -40℃~125℃
Compliant with AEC-Q100 certification
Designed to be compatible with the ISO26262 system
1 pre-boost regulator with 2.4A output
1 pre-buck regulator with 2.2A output
1 linear 5V regulator with 1.5A output current
3 independent self-protected 5V tracking regulators with 150mA output
1 input voltage pin for monitoring external tracking. All regulators have a soft-start function.
4-channel fuel injector LS driver
2-channel oxygen sensor LS driver with current sensing
2-channel camshaft or electromagnetic LS driver
5-channel relay LS driver
2-channel LED LS driver
3-channel LS/HS driver with low-power function for smart start
1 main relay LS driver (MRD) with internal diode for reverse battery protection
5 pre-drivers for external FET driving
6 pre-drivers for internal or external ignition driving
1 K-line SIO9141/LIN 2.1 compatible
Integrated charge pump
With VRS interface
With watchdog
With wake-up pin
With temperature sensor and monitoring module
With stop counter with wake-up function
Dual bandgap reference and oscillator
Micro-second channel (MSC) for differential single-ended mode
With SEO function
With CAN-FD with wake-up function
Keywords:
System base chip
The HE9788 is a chip designed for automotive engine management systems. It is designed using BCD proprietary technology, is AEC-Q100 qualified, and provides a complete set of power and signal pre-processing peripherals for four-cylinder internal combustion engines. It uses an ELQFP-100 package. Operating voltage range: 5.5V~32V
Maximum operating voltage: 45V
Operating temperature: -40℃~125℃
Compliant with AEC-Q100 certification
Designed to be compatible with the ISO26262 system
1 pre-boost regulator with 2.4A output
1 pre-buck regulator with 2.2A output
1 linear 5V regulator with 1.5A output current
3 independent self-protected 5V tracking regulators with 150mA output
1 input voltage pin for monitoring external tracking. All regulators have a soft-start function.
4-channel fuel injector LS driver
2-channel oxygen sensor LS driver with current sensing
2-channel camshaft or electromagnetic LS driver
5-channel relay LS driver
2-channel LED LS driver
3-channel LS/HS driver with low-power function for smart start
1 main relay LS driver (MRD) with internal diode for reverse battery protection
5 pre-drivers for external FET driving
6 pre-drivers for internal or external ignition driving
1 K-line SIO9141/LIN 2.1 compatible
Integrated charge pump
With VRS interface
With watchdog
With wake-up pin
With temperature sensor and monitoring module
With stop counter with wake-up function
Dual bandgap reference and oscillator
Micro-second channel (MSC) for differential single-ended mode
With SEO function
With CAN-FD with wake-up function
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