降圧/昇降圧プリレギュレータ、LDO、ゲートドライバ、SPI搭載の車載用PMIC

ARG82801-and-ARG82801-1

ARG82801/1は、降圧/昇降圧プリレギュレータ、複数のLDO、フローティングゲートドライバ、柔軟な設定と診断のためのSPIを統合することで、車載用途向けの包括的な電源管理とゲートドライブ制御を提供します。ARG82801-1は、強化されたウォッチドッグ機能を搭載しています。

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: 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