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DA9231

DA9231

用于低功率连接设备的纳米μPMIC

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DA9231 is an ultra-low quiescent current high efficiency buck regulator and an ultra-low quiescent current LDO in a compact I2C configurable WLCSP package targeting battery powered applications needing highly efficient power supplies.

降压调节器将高光负载效率降至10μA，进一步延长电池寿命。降压调节器中的动态电压控制（DVC）有助于整个系统电源模式的优化，从而进一步提高了系统效率和电池寿命。

The low quiescent current LDO can be configured as a load switch and provides the second supply output. The LDO’s uncommitted inputs can be connected to either the battery or the buck output. Connecting the input to the buck output provides the flexibility to improve the PSRR at the LDO output as needed. It provides multiple protection features and comes with the ability to monitor the events and indicators in the GPO pin.

Features

  • 300 MA降压转换器
    • 750 nA total input current (buck enabled no load, LDO disabled)
    • 高达81％的效率为1.8 V输出，10μA负载电流
    • Input voltage 2.5 V to 5.5 V
    • 输出电压0.6 V至1.9 V
    • 动态电压控制（DVC）
  • 100 MA LDO /负载开关
    • 1.35 UA总输入电流（降压和LDO使能，无负载）
    • Input voltage 1.8 V to 5.5 V
    • 输出电压0.7 V至3.3 V
  • I2C interface for device configuration and control
  • Protection features and system monitors

Benefits

  • 更长的电池寿命
  • Design flexibility through configurability
  • 小型解决方案尺寸
  • Future proofing for new technology MCUs with 0.6V min buck output voltage
  • Future proofing for new technology batteries with 2.5V min input voltage

亚博国际官网平台网址

  • 可穿戴设备 - 手腕磨损，听力，宠物穿戴性
  • Smart devices - thermostats and door locks
  • Smoke detectors
  • Portable medical devices
  • Remote sensors
  • High efficiency, low power applications
包
1.65 mm x 1.25 mm 12-pin wlcsp

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