Battery Charge Controllers | NCP1850

开关电池充电器，1.5 A

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NCP1850 是一款完全可编程的单锂离子电池开关电池充电器，适用于从 USB 标准输入电源和交流适配器电源进行充电。该器件集成了同步 PWM 控制器、功率 MOSFET 和整个充电周期监控，包括软件监控下的安全功能。可在系统和电池之间放置一个可选的电池 FET，以便隔离系统和为系统供电。在充电周期期间，会监控 NCP1850 结温度和电池温度，并通过 I2C 设置对电流和电压进行相应修改。充电器活动和状态通过连接系统的专门引脚进行报告。输入引脚会针对过电压进行保护。NCP1850 还通过提高电池电压以及为 USB 收发器提供过压保护电源，提供 USB OTG 支持。

  • Smart Phone
  • Handheld Devices
  • Tablets
  • 1.5 A Buck Converter with Integrated Pass Devices
  • Input Current Limiting to Comply to USB Standard
  • Automatic Charge Current for AC Adaptor Charging
  • High Accuracy Voltage and Current Regulation
  • Input Overvoltage Protection up to +28 V
  • Factory Mode
  • 250 mA Boosted Supply for USB OTG Peripherals
  • Reverse Leakage Protection Prevents Battery Discharge
  • Protected USB Transceiver Supply Switch
  • Dynamic Power Path with Optional Battery FET
  • Battery Temperature Sensing for Safe Operation
  • Silicon Temperature Supervision for Optimized Charge Cycle
  • Safety Timers
  • Flag Output for Charge Status and Interrupts
  • INTB Output for Interrupts
  • I2C Control Bus up to 3.4 MHz
  • Small Footprint 2.2 x 2.55 mm CSP Package

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NCP1850FCCT1G

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Obsolete

CAD Model

Pb

A

H

P

WLCSP-25

567FZ

1

260

REEL

3000

N

Li-Ion/Polymer

1

3.6

7

5

Price N/A

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