TD9521B Datasheet, Specs, Alternatives & ECAD | Techcode | PartGenie

AI summary

TD9521B product

The TD9521B is a high-side N-channel MOSFET power switch optimized for USB power distribution, offering adjustable current limiting and robust protection features.

Best for

USB port power management
Notebook and desktop computer power distribution

Avoid if

Applications requiring voltages outside the 3.5V to 5.5V range

Check before use

Thermal dissipation requirements at high load currents

Key specifications

Voltage Range: 3.5V - 5.5V
RDS(ON): 35 mΩ
Package: SOT-23-5

Compliance & Environment

RoHS: -
REACH: -
MSL: -
ECCN: -
HTSUS: -

Application

USB Power DistributionComputer Peripherals

Datasheet

237cecb767de1c6145a09508cebd6c09_datasheet.pdf

800 KB

CAD Models

Download ECAD models for TD9521B: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol

Schematic symbol for your EDA tool

PCB Footprint

Land pattern for PCB layout

3D Model

STEP file for mechanical design

KiCad Library

Verified KiCad 8 symbol, footprint, and 3D model

Generate library

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a 3.5V to 5.5V USB power-distribution switch with a 35mΩ internal N-channel MOSFET.