Functional Safety PMICs
Automotive PMIC with Buck/Buck-Boost Pre-Regulator, LDOs, Gate Drivers, and SPI
ARG82801-and-ARG82801-1
The ARG82801/1 provides comprehensive power management and gate drive control for automotive applications, integrating a buck/buck-boost pre-regulator, multiple LDOs, floating gate drivers, and SPI for flexible configuration and diagnostics. The ARG82801-1 offers enhanced watchdog functionality.
Product Details
Product Details
Top Features
- 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)
- Four internal linear regulators with foldback short-circuit protection
- VUC: 350mA, selectable output (3.3 V / 5.0 V) regulator for microcontroller
- V5C: 115mA, 5 V general purpose LDO regulator
- V5P1 and V5P2: two 120mA, 5V LDO regulators (track VUC voltage) with short-to-battery protection for protection of harness shorts (e.g., remote sensors)
- Q&A Watchdog and Window Watchdog timer
- Floating gate drivers with charge pump for external isolator NFET control
- Control and diagnostic reporting through a serial peripheral interface (SPI)
- Logic enable input (ENB) for microprocessor control
- Ignition enable input (ENBAT)
- Frequency dithering and controlled slew rate help reduce EMI/EMC
- Undervoltage protection for all output rails
- Thermal shutdown protection
- –40°C to 150°C junction temperature range
Target Application
