UCC21520 vs UCC21550 Comparison
Detailed side-by-side comparison of UCC21520 by Texas Instruments and UCC21550 by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | UCC21520 | UCC21550 |
|---|---|---|
| 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) | $1.55 | $1.25 |
| Channel Count | 2 (dual-channel) | — |
| Peak Source Current | 4 A | 4 A |
| Peak Sink Current | 6 A | 6 A |
| Isolation Rating | 5.7 kVRMS (reinforced) | 5000 Vrms (reinforced, UL1577) |
| Max Switching Frequency | 5 MHz | — |
| Propagation Delay | 19 ns | [DATA_NEEDED: typical propagation delay] |
| Pulse-Width Distortion | 6 ns | — |
| CMTI | 100 V/ns | [DATA_NEEDED: common-mode transient immunity] |
| Supply Voltage VDD | 6.5 V to 25 V | — |
| Input Threshold | TTL/CMOS compatible | — |
| UVLO Protection | Yes, on all supply pins | — |
| Control Pin | DIS (disable) | — |
| Primary-side Input Voltage | up to 18 V | — |
| Isolation Technology | Capacitive | Capacitive (silicon dioxide) |
| Package | 16-SOIC (DW) | 16-SOIC (DW, 300 mil) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40C to +150C |
| RoHS Status | [DATA_NEEDED: RoHS status] | Compliant |
| Channels | — | 2 (dual-channel) |
| Configurations | — | Dual low-side, dual high-side, or half-bridge |
| Supported Transistors | — | MOSFET, SiC, GaN, IGBT |
| Dead Time | — | Programmable via DT pin resistor |
| UVLO | — | Yes, on input and output supplies (A/B/C grade options) |
| Automotive Qualification | — | UCC21550x-Q1 family AEC-Q100 qualified |