Datasheet > NX20P0407UK

NX20P0407UK

更新时间： 2024-04-09 18:59:34

品牌	Logo	应用领域
恩智浦 - NXP		/
页数	文件大小	规格书
18页	490K
描述
USB Type-C CC and SBU Protection IC

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NX20P0407UK 数据手册

NX20P0407

USB Type-C CC and SBU Protection IC

Rev. 1.3 — 22 August 2019

Product data sheet

1 General description

The NX20P0407 is a single-chip USB Type-C port protection device that provides 28V

short-to-VBUS overvoltage protection to CC1/CC2 and SBU1/SBU2 pins.

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

CC1/2 and SBU1/2 pins can be shorted to VBUS due to mechanical twisting and sliding

of the connector since Type-C connector contact pins are 25% closer to each other than

a micro USB connector. Moisture or fine dust may also cause the 20V VBUS pin to be

shorted to adjacent pins.

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

NX20P0407 is 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

overvoltage threshold, protecting CC1, CC2, SBU1 and SBU2 in system side from 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_CC1/2 pins are designed to be protected from surges 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 R_DSonswitch

– 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 : 32μA

• CC1/2 leakage current : < 1μA

• Fast OVP turn off time : 60ns

12 3 4 5 6 7...18

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