UCC21520QDWQ1 datasheet(5/50 Pages) TI1

Part #	UCC21520QDWQ1

Description	4-A, 6-A, 5.7-kVRMS Isolated Dual-Channel Gate Driver for Automotive

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UCC21520-Q1

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SLUSCQ2A – OCTOBER 2017 – REVISED MAY 2018

Product Folder Links: UCC21520-Q1

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For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application

report, SPRA953.

6.4 Thermal Information

THERMAL METRIC(1)

UCC21520-Q1,

UNIT

DW-16 (SOIC)

RθJA

Junction-to-ambient thermal resistance

67.3

°C/W

RθJC(top)

Junction-to-case (top) thermal resistance

34.4

°C/W

RθJB

Junction-to-board thermal resistance

32.1

°C/W

ψJT

Junction-to-top characterization parameter

18.0

°C/W

ψJB

Junction-to-board characterization parameter

31.6

°C/W

6.5 Power Ratings

VALUE

UNIT

PD

Power dissipation by UCC21520-Q1

VCCI = 18 V, VDDA/B = 12 V, INA/B = 3.3 V,

3 MHz 50% duty cycle square wave 1-nF

load

1.05

W

PDI

Power dissipation by transmitter side of

UCC21520-Q1

0.05

W

PDA, PDB

Power dissipation by each driver side of

UCC21520-Q1

0.5

W

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UCC21520QDWQ1 Datasheet(PDF) 5 Page - Texas Instruments

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