Controllers | NCP81239

4 开关降压/升压控制器，USB供电和 Type-C 应用

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概览

NCP81239 USB 供电（PD）控制器是一款同步降压/升压控制器，适用于为笔记本电脑、平板电脑、台式系统以及其他众多使用USB PD标准和C−Type线缆的消费设备提供电池电压或适配器电压到所需电源轨的转换。NCP81239与USB PD或C−Type接口控制器结合使用时，完全符合USB 供电标准。NCP81239适用于需要动态控制摆率限制输入电压的应用，此类电压要求一般高于或低于输入电压。NCP81239驱动4个NMOSFET开关，使其能够降压或升压，支持USB PD标准中规定的受电方和供电方角色切换功能，适用于所有USB PD应用。USB PD降压/升压控制器使用4.5V至28V的电源和负载范围运行。

NCP81599是新设计的优选替代产品。

  • 消费电子
  • 计算机
  • 终端销售
  • USB Type-C
  • USB PD

  • 台式机
  • 集线器
  • 扩展坞
  • 充电宝
  • 汽车充电

  • 运行电压范围4.5V至28V
  • I2C接口
  • 开关频率范围150kHz至1200kHz
  • 转换时的压摆率控制
  • 支持USB-PD、QC2.0和QC3.0
  • 过压保护和过流保护

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NCP81239MNTXG

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Pb

A

H

P

QFN-32

485CE

1

260

REEL

2500

Y

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4.5

28

150 to 1200

$0.8024

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Die Related Summary Data

Device: NCP81239AMNTXG

Equivalent to wafer fab process: ONC25

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等效器件小时

平均故障间隔时间/平均无故障时间（按小时计算）

FITS

ONC25

1

2712519294

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Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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