Functional Safety PMICs
Automotive Multi-Output Regulator with Buck/Buck-Boost Pre-Regulator, LDOs, Gate Drivers, and SPI
A81407
The A81407 integrates a buck/buck-boost pre-regulator, multiple LDO regulators, gate drivers, and SPI control for comprehensive power management and control of external switched loads in automotive and industrial applications.
Product Details
Product Details
Top Features
- A2-SIL™ pending—device features for safety-critical systems
- Automotive AEC-Q100 qualified
- Wide input voltage range, 3.8 to 36 VIN operating range,40 VIN maximum
- 2.2 MHz buck or buck/boost pre-regulator (VREG: 5.35 V) with low EMI frequency dithering
- Four internal linear regulators with foldback short-circuit protection
- OV and UV protection for all output rails provide the ability to monitor health of outputs
- Pulse Width Watchdog (PWWD), Window Watchdog (WWD), and Q&A Watchdog (QAWD)
- Floating gate drivers (with charge pumps) for external switched load control
Target Application
