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RT1738AGQW(2)
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— IC芯片 | 连接器 | 传感器 | 被动器件 —
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Product Detailed Parameters
- Description：IC USB TYPE-C OVP WQFN-20
- Series：-
- Mfr：Richtek USA Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Type：USB Switch
- Number of Outputs：4
- Ratio - Input:Output：1:01
- Output Configuration：High Side
- Output Type：N-Channel
- Interface：-
- Voltage - Load：2.5V ~ 5.5V
- Voltage - Supply (Vcc/Vdd)：Not Required
- Current - Output (Max)：1.25A
- Rds On (Typ)：255mOhm
- Input Type：Non-Inverting
- Features：Load Discharge, Slew Rate Controlled, Status Flag
- Fault Protection：Over Temperature, Over Voltage, UVLO
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：20-WQFN (3x3)
- Package / Case：20-WFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The RT1738AGQW(2) is a USB interface integrated circuit designed for Type-C applications. It provides CC and SBU short-to-VBUS protection alongside over-voltage and IEC ESD protection switching. The device operates within a supply voltage range of 2.5 V to 5.5 V, with a typical operating supply current of 40 µA. It supports an extended operating temperature range from -40 °C to +85 °C and is housed in a WQFN-20 package.
Feature Summary
- Integrates Type-C CC and SBU short-to-VBUS protection mechanisms
- Provides over-voltage protection switching capabilities
- Includes IEC ESD protection features
Applications
- USB Type-C port protection circuits
- Consumer electronics interfaces
- Mobile device connectivity modules
Procurement Notes
Verify the specific suffix (2) against the manufacturer's official datasheet to confirm pinout and functional equivalence. Confirm RoHS compliance status directly with Richtek USA Inc. or authorized distributors. Check for any recent product change notices that may affect specifications or availability before finalizing procurement plans.
Selection Notes
Select this component when designing Type-C interfaces requiring integrated CC and SBU short protection. Ensure the design accommodates the 2.5 V to 5.5 V supply range and the WQFN-20 package footprint. Verify that the 40 µA quiescent current meets system power budget requirements for portable applications.
Part Context
This part belongs to Richtek's USB interface IC portfolio, focusing on protection and switching for modern connectivity standards. It addresses safety requirements for Type-C ports by managing fault conditions like shorts and electrostatic discharge events within compact form factors suitable for space-constrained devices.
Replacement Considerations
Consult Richtek's official cross-reference documentation for verified substitutes. Do not assume compatibility based solely on package similarity or generic USB switch functionality without verifying electrical parameters and pin assignments.
