UCC21521DWR vs UCC21540QDWKRQ1 Comparison

Detailed side-by-side comparison of UCC21521DWR by Texas Instruments and UCC21540QDWKRQ1 by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.

Texas Instruments
UCC21521DWR UCC21521 - 4A/6A 5.7kVrms Isolated Gate Driver | TI

UCC21521 - 4A/6A 5.7kVrms Isolated Gate Driver | TI

UCC21521DWR ✓ Active

Specification Comparison

Parameter UCC21521DWR UCC21540QDWKRQ1
Brand Texas Instruments Texas Instruments
Category Power MOSFET Drivers Power MOSFET Drivers
Lifecycle Status Active Active
Stock Status In Stock In Stock
Unit Price (USD) $2.15 $2.21
Channel Count 2 —
Peak Source Current 4 A 4 A
Peak Sink Current 6 A 6 A
Isolation Rating 5700 Vrms —
CMTI 100 V/ns (minimum) —
Propagation Delay 19 ns (typical) —
Delay Matching 5 ns (maximum) —
Pulse-Width Distortion 6 ns (maximum) —
Minimum Pulse Width 10 ns —
Max Switching Frequency 5 MHz —
Isolation Technology Capacitive coupling —
Input Threshold TTL and CMOS compatible (3.3 V logic) —
Enable / Disable Pin Yes (DIS) —
Operating Temperature -40C to +125C Wide temperature range (automotive)
Package SOIC-16 (DW) 14-SOIC (DWK)
Mounting Type Surface Mount Surface Mount
Configurations Dual low-side, dual high-side, or half-bridge —
RoHS Status Compliant Compliant
Number of Channels — 2
Isolation Type — Reinforced, capacitive coupling
Isolation Voltage — 5700 VRMS
Channel-to-Channel Spacing — 3.3 mm minimum (DWK package)
Dead Time — Programmable (external resistor)
Target Transistors — Power MOSFET, IGBT, GaN
Configuration Options — Dual low-side, dual high-side, or half-bridge
UVLO — 8 V (secondary side)
Automotive Qualification — AEC-Q100

Datasheets & Resources

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