Datasheet > NX5P3290UK

NX5P3290UK

更新时间： 2024-09-16 17:02:03

品牌	Logo	应用领域
恩智浦 - NXP		光电二极管
页数	文件大小	规格书
24页	863K
描述
USB PD and Type-C Current-Limited Power Switch

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NX5P3290UK 数据手册

NX5P3290

USB PD and Type-C current-limited power switch

Rev. 1.2 — 7 June 2019

Product data sheet

1. General description

The NX5P3290 is a precision adjustable current-limited power switch for USB PD

application. The device includes under voltage lockout, over-temperature protection, and

reverse current protection circuits to automatically isolate the switch terminals when a

fault condition occurs. The 29 V tolerance on VBUS pin ensures the device is able to work

on a USB PD port; a current limit input (ILIM) pin defines the overcurrent limit threshold;

an open-drain fault output (FLT) indicates when a fault condition has occurred.

The overcurrent limit threshold can be programmed from 400 mA to 3.3 A, using an

external resistor between the ILIM pin and GND pin. In the overcurrent condition, the

device will clamp the output current to the value set by ILIM and keep the switch on while

asserting the FLT flag.

To minimize current surges during normal turn on, the device has built in soft start by

limiting the power switch turn on slew rate. However, user can disable the soft start and

request a fast output by pulling FO pin HIGH.

A fast RCP recovery circuit has been added to the switch to prevent any reverse current

flowing back to power source at all times. When exiting from reverse current protection

state, the power MOSFET will turn on within 50 us. The fast RCP recovery ensures the

voltage on VBUS doesn’t drop too much in a power source swap application.

NX5P3290 is offered in a 2.05 x 2.05 mm, 16 bump WLCSP package.

2. Features and benefits

 VIN supply voltage range from 4.0 V to 5.5 V

 All time reverse current protection with ultra fast RCP recovery

 Adjustable current limit from 400 mA to 3.3 A

 Clamped current output in overcurrent condition

 29 V high voltage tolerance on VBUS pin

 Low ON resistance of the power FETs: 35 m (typical) in total

 Over temperature protection

 Safety approvals

 UL 62368-1, 2nd edition, file no. 20161017-E470128

 IEC 62368-1, 2nd edition, file no. DK-57975-UL

 ESD protection

 IEC61000-4-2 contact discharge exceeds 8 kV on VBUS

 HBM ANSI/ESDA/JEDEC JS-001 Class 2 exceeds 2 kV

 CDM AEC standard Q100-01 (JESD22-C101E) exceeds 500 V

 Specified from 40 C to +85 C ambient temperature

12 3 4 5 6 7...24

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