1 Features

AEC-Q100 qualified for automotive applications
- Temperature grade 1: –40°C to +125°C, T_A
Functional Safety-Compliant
- Developed for functional safety applications
- Documentation to aid ISO26262 system design is available
- Systematic integrity up to ASIL D
- Hardware integrity up to ASIL C
Highly integrated solenoid driver targeted at automotive EV contactor relay and solenoid control applications
- Integration of power supplies, current regulation, diagnostics, and safety functions
- High-efficiency solenoid driving with configurable peak and hold current settings
- Built-in-self-test and diagnostic functions for power supplies, interfaces, drivers, and monitors
- Architecture for reliable operation with redundant power supplies, low-side and high-side drivers, and secondary monitoring logic
Up to 28V (40V abs. max) operating voltage
Integrated modified half-bridge
- For charging, recirculation and clamping
- Typical R_DS(ON): 37mΩ (low-side), 57mΩ (high-side)
- Quick Turn Off with integrated clamp circuits
- High-side clamp with redundant low-side clamp
Low-side load control by single wire connection
- Allows external high-side switch for redundant shut-off
± 5% accurate Low and High-side current sense
- Analog load current feedback pin (IPROPI)
Internal control mode:
- Closed loop PWM current regulation
- Configurable peak time, peak and hold currents
External control mode:
- Vary duty cycle at fixed PWM frequency
- Vary PWM frequency at fixed duty cycle
4-wire, addressable, 24-bit SPI with CRC
- Allows multiple devices to operate on same SPI
- All devices on shared SPI bus can receive broadcast commands
Comprehensive protection and diagnostics:
- Device built-in-self-test
- Load monitoring for open/short detection
- Sensing loss of control during driver ON and OFF
- Forced relay open for undercurrent or undervoltage
- Redundant pin shut-off
- Fault notification on nFAULT pin