Datasheet > NX20P3483UK

NX20P3483UK

更新时间： 2024-11-03 15:19:39

品牌	Logo	应用领域
恩智浦 - NXP		/
页数	文件大小	规格书
9页	252K
描述
USB Sink & Source combo power switch

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NX20P3483UK 数据手册

NX20P3483UK

USB PD and Type-C high voltage sink/source combo switch

with protection

Rev. 2 — 4 March 2019

Product short data sheet

1. General description

The NX20P3483UK is a product with combined multiple power switches and an LDO for

USB PD application. The device includes a bidirectional high voltage power switch which

supports both 20V sink and 6V source; a 5V power switch for source and a 100mA LDO

provides power supply for dead battery operation.

The high voltage power switch has 29V DC tolerance, and is able to sink up to 5A at

maximum of 20V and source up to 3.4A at maximum of 6V. When it is configured as a

high voltage sink switch, the path has overvoltage protection and reverse current

protection features. While it is configured as high voltage source switch, the adjustable

overcurrent limit circuit is integrated.

The 5V power switch has an adjustable overcurrent limit, “ideal diode” feature and short

circuit protection. The maximum current capability is 3.4A. It supports fast role swap for

USB PD3.0 application.

A VBUS discharge circuit is integrated according to USB PD VBUS discharging

requirement. To minimize inrush current during normal startup, turn on slew rate control

has been built in for all power switches. Over temperature protection is also equipped to

automatically isolate the switch terminals when the device is overheated.

The device is controlled through an I²C-bus interface, allowing the host to configure

switches and program different specified parameters according to an I²C register map.

The NX20P3483UK is offered with WLCSP42 package: 0.4mm pitch, 2.51 x 2.91 x

0.525mm, 0.4mm pitch.

2. Features and benefits

 Wide supply voltage range for VBUS from 2.8V to 20V

 System power supply V5V from 4.0V to 5.5V

 Chip power supply VDD from 2.7V to 5.5V

 VBUS to VCHG Switch

 28m(typical) ultra low ON resistance

 I_SWmaximum 5A continuous current

 Bidirectional operation: 20V sink switch from VBUS to VCHG with RCP and 6V

source switch from VCHG to VBUS with overcurrent limit

 Adjustable overcurrent limit for source configuration from 400mA to 3.4A by

I²C-bus interface

 V5V to VBUS switch

 38m(typical) ultra low ON resistance

12 3 4 5 6 7...9

中文翻译

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与NX20P3483UK相关器件

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