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 up to ASIL C
Highly integrated squib driver solution targeted at automotive EV pyro-fuse application
- Integration of power supplies, current regulation, diagnostics, and safety functions
- SPI or HW pin-based triggering for flexible interface options and rapid firing reaction
- Diagnostic functions for system energy reservoir capacitor and squib health monitoring
- 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-driver drivers, and secondary monitoring logic
Up to 28-V (40-V abs. max) operating voltage
Compact HVSSOP-28 (DGQ) leaded package
Two-wire load interface with protected, current controlled high-side and protected secondary low-side switches
Integrated charge pump for minimal MOSFET drop out voltage
4-wire, addressable, 24-bit SPI with CRC protection
- Allows multiple device to operate on the same SPI
- Allows for broadcast commands to multiple devices.
Configurable deployment currents (1.2 A / 2 ms, 1.75 A / 0.5 ms, up to 3.4 A / 0.5 ms)
Configurable deployment interface options
- 2-pin HW trigger with PWM or level signaling
- Protected SPI command with CRC
Comprehensive off-state diagnostics
- Device built-in-self-test
- Driver output and switch test
- Interface test
- Energy reservoir capacitor test
- Squib resistance test
Configurable fault indicator (nFAULT)