UCC21540 vs UCC21521DWR Comparison

Detailed side-by-side comparison of UCC21540 by Texas Instruments and UCC21521DWR 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 UCC21540 UCC21521DWR
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) $1.85 $2.15
Output Current (Peak Source) 4 A —
Output Current (Peak Sink) 6 A —
Isolation Rating 5.7 kVRMS (reinforced) 5700 Vrms
Number of Channels 2 —
Isolation Technology Capacitive coupling Capacitive coupling
Secondary-Side UVLO 8 V —
Output-Side Supply Range (VDD) 6.5 V to 18 V —
Programmable Deadtime Yes (DT pin) —
Disable Pin Yes (DIS) —
Driven Devices Power MOSFET, IGBT, GaN transistor —
Package SOIC-16 (DW); DWK with 3.3-mm channel spacing SOIC-16 (DW)
Channel-to-Channel Spacing (DWK) 3.3 mm —
Isolation Type Reinforced / galvanic —
Mounting Type Surface Mount Surface Mount
RoHS Status Compliant Compliant
Operating Temperature [DATA_NEEDED: operating temperature range] -40C to +125C
Channel Count — 2
Peak Source Current — 4 A
Peak Sink Current — 6 A
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
Input Threshold — TTL and CMOS compatible (3.3 V logic)
Enable / Disable Pin — Yes (DIS)
Configurations — Dual low-side, dual high-side, or half-bridge

Datasheets & Resources

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