Battery Charge Controllers | NCP1851

开关电池充电器，1.6 A，带功率路径管理

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概览

NCP1851 是一款可全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 NCP1851 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。

  • High Efficiency Charging Line-up
  • Smart Phone
  • Handheld Devices
  • PDA
  • Tablets
  • 1.6 A buck converter with integrated pass devices
  • Input current limiting to comply to USB standard
  • 500mA boosted supply for USB OTG peripherals
  • Dynamic power path with external battery FET
  • High accuracy voltage and current regulation
  • Input over voltage protection up to +28 V
  • Reverse leakage protection prevents battery discharge
  • Protected USB Transceiver supply switch
  • Factory mode
  • Battery temperature sensing for safe operation (JEITA)
  • Flag output for charge status and interrupts
  • IC Control bus up to 3.4 MHz
  • Safety timers
  • Silicon temperature supervision for optimized charge cycle

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Reference Price

NCP1851AFCCT1G

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Obsolete

CAD Model

Pb

A

H

P

Flip-Chip-25

499BN

1

260

REEL

3000

N

Li-Ion/Polymer

1

3.6

28

5

Price N/A

More Details

NCP1851FCCT1G

Loading...

Obsolete

CAD Model

Pb

A

H

P

Flip-Chip-25

499BN

1

260

REEL

3000

N

Li-Ion/Polymer

1

3.6

28

5

Price N/A

More Details

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