UCC21521DWR vs UCC21540 Comparison

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

Datasheets & Resources

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