UCC21521DWR vs UCC21550BDWR Comparison

Detailed side-by-side comparison of UCC21521DWR by Texas Instruments and UCC21550BDWR 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
Texas Instruments
UCC21550BDWR UCC21550BDWR - 4A/6A Dual Isolated Gate Driver | Texas Instruments

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

UCC21550BDWR ✓ Active

Specification Comparison

Parameter UCC21521DWR UCC21550BDWR
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 $0.88
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 —
Package SOIC-16 (DW) 16-SOIC (DW)
Mounting Type Surface Mount Surface Mount
Configurations Dual low-side, dual high-side, or half-bridge —
RoHS Status Compliant [DATA_NEEDED: RoHS status]
Output Configuration — Dual-channel (dual low-side, dual high-side, or half-bridge)
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
Driven Devices — Power MOSFET, SiC MOSFET, GaN FET, IGBT

Datasheets & Resources

Browse All Products Create BOM Request Quote