UCC21550BDWR vs UCC21521DWR Comparison

Detailed side-by-side comparison of UCC21550BDWR 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
UCC21550BDWR UCC21550BDWR - 4A/6A Dual Isolated Gate Driver | Texas Instruments

UCC21550BDWR - 4A/6A Dual Isolated Gate Driver | Texas Instruments

UCC21550BDWR ✓ Active
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 UCC21550BDWR 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) $0.88 $2.15
Output Configuration Dual-channel (dual low-side, dual high-side, or half-bridge) —
Peak Source Current 4 A 4 A
Peak Sink Current 6 A 6 A
Isolation Type Capacitive coupling, reinforced isolation —
Isolation Voltage 5000 Vrms —
CMTI (Common-Mode Transient Immunity) > 125 V/ns —
VDD Output Supply Range Up to 25 V —
UVLO Threshold 8 V (VDD UVLO) —
Programmable Dead Time Yes —
Disable Function Yes —
Junction Temperature Range -40 C to +150 C —
Package 16-SOIC (DW) SOIC-16 (DW)
Mounting Type Surface Mount Surface Mount
Driven Devices Power MOSFET, SiC MOSFET, GaN FET, IGBT —
RoHS Status [DATA_NEEDED: RoHS status] Compliant
Channel Count — 2
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
Configurations — Dual low-side, dual high-side, or half-bridge

Datasheets & Resources

Browse All Products Create BOM Request Quote