多输出稳压器

具有降压/升降压预稳压器、LDO、栅极驱动器与 SPI 接口的车用多输出稳压器

A81407

A81407 集成了降压/升降压预稳压器、多路 LDO 稳压器、栅极驱动器和 SPI 控制接口,为汽车与工业应用中的外部开关负载提供全面的电源管理与控制。

Product Details

Top Features

  • A2-SIL™ pending—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) with low EMI frequency dithering
  • Four internal linear regulators with foldback short-circuit protection
  • OV and UV protection for all output rails provide the ability to monitor health of outputs
  • Pulse Width Watchdog (PWWD), Window Watchdog (WWD), and Q&A Watchdog (QAWD)
  • Floating gate drivers (with charge pumps) for external switched load control

Part Number Specifications and Availability

设计工具

Technical Documentation