多输出稳压器

具有升降压预稳压器、5 路线性稳压器和 SPI 接口的车用 PMIC

A81411

A81411 集成了升降压预稳压器、五个线性稳压器(包括具有电池短路保护 LDO)以及 SPI 控制接口,简化了汽车电源设计,具备灵活配置和诊断能力。

Product Details

Top Features

  • 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

Part Number Specifications and Availability

设计工具