Fully Integrated PMIC for Safety-Related Systems with Buck or Buck-Boost Pre-Regulator, 4× Linear Regulators, 4× Gate Drivers, and SPI

ARG82800

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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.

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Product Details

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A²-SIL™ product—device features for safety-critical systems
Automotive AEC-Q100 qualified
Wide input voltage range, 3.8 to 36 V_IN operating range, 40 V_IN 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