Datasheet > RT1738A

RT1738A

更新时间： 2024-04-09 19:03:10

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
21页	1190K
描述
Type-C CC and SBU Short to VBUS Over-Voltage and IEC ESD Protection Switch

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RT1738A 数据手册

RT1738A

Type-C CC and SBU Short to VBUS Over-Voltage and IEC

ESD Protection Switch

General Description

The RT1738A is an USB Type-C interface over-voltage

protection IC.

Features

⚫ 4-Channels of Short to VBUS Over-Voltage

Protection (CON_CC1, CON_CC2, CON_SBU1,

CON_SBU2)

The RT1738A protects the high voltage shorted to

VBUS to adjacent pins of CC/SBU up to 28V due to

USB Power Delivery (PD) allowing VBUS from 3.3 to

21V sourcing.

⚫ IEC61000-4-2 Contact Discharge Protection

 CON_CC1/CON_CC2 : ±8kV

 D1/D2 : ±8kV

 CON_SBU1/CON_SBU2 : ±6kV

⚫ High Absolute Maximum Ratings = 28V of

CON_CC1, CON_CC2, CON_SBU1 and

CON_SBU2

The RT1738A is integrated the protection ESDs of

IEC61000-4-2 with contact discharge ±8kV on

CON_CC1/CON_CC2,

D1/D2

and

±6kV

CON_SBU1/CON_SBU2. The surge immunity level of

CON_CC1 /CON_CC2 is up to ±35V. Besides, the

ultra-fast OVP response time of 60ns can protect the

system side of application IC from damage.

⚫ 60ns Ultra-Fast OVP Response Time of CC/SBU

⚫ 255m Ultra-Low R

of CC Switch Typical

⚫ 3.6 Low R

of SBU Switch Typical

⚫ 40A Low Quiescent Current in Standby

⚫ High Bandwidth of 1.1GHz for SBU Switch

⚫ Dead Battery Support

The RT1738A is available in a 3×3mm WQFN

package.

⚫ 20-Pin 3x3mm WQFN Package

Ordering Information

Applications

⚫ PC/Notebook

RT1738A

Pin 1 Orientation***

(2) : Quadrant 2, Follow EIA-481-D

⚫ Smart Phone/Tablet

⚫ TV/Monitor

Package Type

QW : WQFN-20L 3x3 (W-Type)

⚫ USB-C Dongle/Docking/Hubs

Lead Plating System

G : Green (Halogen Free and Pb Free)

Pin Configuration

Note :

(TOP VIEW)

***Empty means Pin1 orientation is Quadrant 1

Richtek products are :

20 19 18 17 16

 RoHS compliant and compatible with the current

CON_SBU1

CON_SBU2

VBIAS

SBU1

SBU2

GND

CC1

requirements of IPC/JEDEC J-STD-020.

Thermal

Pad

 Suitable for use in SnPb or Pb-free soldering

processes.

CON_CC1

CON_CC2

CC2

WQFN-20L 3x3

is a registered trademark of Richtek Technology Corporation.

DS1738A-01 March 2023

www.richtek.com

12 3 4 5 6 7...21

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