Datasheet > NX20P0407UKZ

NX20P0407UKZ

更新时间： 2023-03-15 00:00:00

品牌	Logo	应用领域
恩智浦 - NXP		/
页数	文件大小	规格书
3页	83K
描述
Power Supply Support Circuit

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NX20P0407UKZ 数据手册

NX20P0407

USB Type C CC and SBU Protection IC

Rev 1.1 — 23 Jan 2018

Datasheet

1. General description

NX20P0407 is a single chip USB type C port protection solution. CC1/CC2 and

SBU1/SBU2 pins in system side are protected from up to 28V short to VBUS, which pins

are located right next VBUS pins.

USB Type C allows VBUS voltage to increase up to 20V through Power delivery protocol,

the concern is that these CC1/2 and SBU1/2 pins can be shorted with VBUS when

plugging out with mechanical twisted connector since Type C connector contact pin is

25% closer to each other than prior generation connector, micro USB which most mobile

devices have been using. Another concern is that moisture or fine dust may cause short

to 20V VBUS with next to pins.

NX20P0407 enables CC and SBU to be more robust in even abnormal conditions.

NX20P0407 has 28V DC tolerant on CON_CC1, CON_CC2, CON_SBU1 and

CON_SBU2 pins in connector side and quickly disconnects switches if the voltage is

above over voltage threshold, CC1, CC2, SBU1 and SBU2 in system side are protected

from the high voltage.

NX20P0407 integrates IEC 61000-4-2 ESD protection on CON_CC1 and CON_CC2,

+15KV air discharge and +8KV contact discharge, which helps to reduce external BOM

cost. NX20P0407 CON_CC1 and CON_CC2 pins are designed to be protected from

surge up to +/- 35V

2. Features and benefits



USB Type C CC1/2 and SBU1/2 short protection to VBUS



CON_CC1 / CON_CC2 : 28V_DC

CON_SBU1 / CON_SBU2 : 28V_DC



Rd circuit in CON_CC1/CON_CC2 in dead battery

Low Rdson switch



CC switch : 160mΩ

SBU switch : 3.6Ω





Robust ESD immunity for CON_CC1/2



IEC 61000-4-2 Contact discharge: 8KV

IEC 61000-4-2 Air discharge: 15KV





+/- 35V surge protection on CON_CC1/2

Low SYS leakage current : 32uA

CC1/2 leakage current : < 1uA

Fast OVP turn off time : 60ns

12 3

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