电源管理

概览

描述

The DA9061 is a flexible, scalable system power management IC (PMIC) capable of powering a wide range of multicore SoCs, FPGAs, memory subsystems, and peripherals. Full power tree management and multiple sleep modes result in a power-efficient system solution suitable for infotainment, telematics, and ADAS applications. The device includes four LDOs with programmable output voltages providing up to 300mA and three high-current buck converters providing up to 2.5A per buck. All bucks use integrated power switches, removing the need for external FETs. Together with the high device switching frequency that allows the use of low-profile inductors, they enable the lowest cost, smallest form factor system solution possible. This solution is also available in automotive AEC-Q100 Grade 2. High efficiency is achieved over a wide load range by automatically selecting pulse frequency modulation (PFM) or pulse width modulation (PWM) modes. The input voltage range of 2.8V to 5.5V makes it suitable for standard 5V supply or USB power supplies.

Benefits

  • Enhanced energy saving techniques:
    • Dynamic voltage scaling (DVS)
    • Programmable power manager
  • Enhanced security:
    • System supply monitoring
    • Junction temperature monitoring
    • Watchdog timer
  • -40 °C to +125 °C junction temperature operation
  • 3MHz switching frequency avoiding the AM band
  • Package: QFN-40, 6mm x 6mm, 0.5mm pitch
  • Automotive Grade 2 version available - DA9061-A

Supported SoC PMIC Platforms

  • Xilinx MPSoCs and FPGAs
    • Xilinx Zynq UltraScale+ MPSoC (ZU3EG, ZU7EV, ZU9CG)
    • Xilinx Zynq UltraScale+ MPSoC (ZU3CG, ZU9EG, ZU19EG)
  • NXP® i.MX Processor Family
    • NXP i.MX 6
    • NXP i.MX 6UL
    • NXP i.MX 6ULL
    • NXP i.MX 7Solo

特性

  • Input voltage 2.8V to 5.5V
  • Three buck converters, 0.3V to 3.34V up to 2.5A
    • DVS support
  • 3MHz switching frequency allows the use of low-profile inductors
  • Four LDO regulators, 0.9V to 3.6V up to 300mA
  • Five GPIOs

应用

  • Portable industrial and medical devices
  • TV dongles
  • eReaders
  • Supply for single- and dual-core application processors; for example the i.MX™ families
  • Power supply for FPGAs
  • Automotive infotainment/dashboard
  • IoT devices

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PMIC Designed for Automotive Applications Requiring up to 6A Continuous Current