Functional Safety PMICs
Fully Integrated PMIC for Safety-Related Systems with Buck or Buck-Boost Pre-Regulator, 4× Linear Regulators, 4× Gate Drivers, and SPI
ARG82800
ARG82800. The ARG82800 is an ASIL D PMIC for automotive control units, providing four power rails and a unique buck-boost pre-regulator for low Vbatt idle-stop. It integrates four high-side gate drivers for battery and phase disconnect, reducing BOM cost and PCB footprint.
Product Details
Product Details
Top Features
- A2-SIL™ product—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)
- Four internal linear regulators with foldback short-circuit protection
- VUC: selectable output (3.3 V / 5.0 V) regulator for microcontroller
- V5C: 5 V general purpose LDO regulator
- V5P1 and V5P2: two LDO regulators (track VUC voltage) with short-to-battery protection for 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
