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nPM1100 电源管理IC

用于电池充电和供电的超小型电源管理IC (PMIC)。

nPM1100是一款专用的电源管理IC (PMIC)，具有高效的双模式可配置降压稳压器和集成电池充电器。它是Nordic nRF52®系列和nRF53®系列系统级芯片(SoC)的互补组件，可以确保供电可靠和运行稳定，同时通过高效和低静态电流让电池寿命最大化。它还可以作为一个通用的PMIC设备用于任何其他合适的场景。它极其紧凑的外形尺寸使其成为可穿戴设备、联网医疗设备和其他尺寸受限应用的理想选择。PCB占用面积低至23 mm²。

这款集成电池充电器专为锂离子电池和锂聚合物电池设计，端接电压可选择4.1或4.2 V，支持标称电压分别为3.6和3.7 V的化学电池。内置电池过热保护和三种充电模式自动选择功能，三种充电模式分别为：自动涓流充电、恒流充电、恒压充电。最大充电电流可通过电阻在20 mA到400 mA范围内选择。此电源管理IC还具有放电电流限制，兼容JEITA标准。此电源管理IC兼容USB，可通过USB充电，具有端口自动检测功能。

高效降压稳压器可以在1.8、2.1、2.7或3.0 V的可选输出电压下提供高达150 mA的电流。它具有软启动以及在迟滞和PWM模式之间自动转换的功能。它还允许强制PWM模式，以确保低电源噪声运行。转换效率高达92%，而占用面积只有27 mm²，包括无源器件。

欲了解更多信息，请下载nPM1100产品简介。

下载nPM1100产品简介[PDF]

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Key features

Ultra-small form factor PMIC
2.075 x 2.075 mm WLCSP or 4 x 4 mm QFN package
400 mA battery charger
Highly efficient regulator
Up to 150 mA of regulated voltage output
USB compatible input regulator
Overvoltage protection
Ship mode disables power output
Low quiescent currents
Drivers for charge and error LEDs
-40°C to 85°C operating temperature

nPM1100 EK

The nPM1100 Evaluation Kit (EK) is a tool for evaluating the nPM1100 PMIC and evaluate its features for your application. The kit features switches for all selectable settings, buttons to enter and exit ship mode and connectors for batteries, USB and headers for all pins on the PMIC.

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nPM1100 EK

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