昇降圧プリレギュレータ、5つのリニアレギュレータ、SPI搭載の車載用PMIC

A81411

A81411は、昇降圧プリレギュレータ、5つのリニアレギュレータ (バッテリ短絡保護機能付きLDOを含む)、柔軟な設定と診断のためのSPI制御を統合して、自動車の電源設計を簡素化します。

A2-SIL™ product: Developed as a hardware safety element out of context with ASIL D capability for use in automotive safety-related systems
Automotive AEC-Q100 Grade 0 qualified
Wide input range: 3.2 to 36 V VIN operating, 40 V VIN maximum
2.2 MHz synchronous buck-boost preregulator (VREG: 5.35 V) with internal compensation
Five internal linear regulators with fold-back short-circuit protection
VUC: 3.3 V or 5 V (selectable by a pin) regulator for microcontroller
VLDOA: 5 V (or 3.3 V factory option) general-purpose low-dropout (LDO) regulator
VLDOB: 5 V or 3.3 V (selectable by a pin) always-on LDO regulator
VLDOP1 and VLDOP2: Two programmed (5 V or 3.3 V) and enabled via serial-port-interface (SPI) LDO regulators with short-to-battery protection for remote sensors
Pulse-width watchdog (PWWD), window watchdog