Overview
The UCC20225NPLR is a 2.5-kVRMS isolated dual-channel gate driver produced by Texas Instruments. This device is designed in a compact 5-mm x 5-mm LGA-13 package, making it ideal for space-constrained applications. It features a single input and dual output configuration with programmable dead time, enabling it to drive power transistors up to 5 MHz with excellent propagation delay and pulse-width distortion. The UCC20225NPLR offers high power density, high efficiency, and robustness, making it suitable for a wide range of power applications.
Key Specifications
| Parameter | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Bias Pin Supply Voltage (VCCI to GND) | - | -0.3 | - | 20 | V |
| Driver Bias Supply (VDDA-VSSA, VDDB-VSSB) | - | -0.3 | - | 30 | V |
| Output Signal Voltage (OUTA to VSSA, OUTB to VSSB) | - | -0.3 | - | VVDDA+0.3, VVDDA+0.3 | V |
| Propagation Delay (Typical) | VCCI = 3.3 V or 5 V, VDDA = VDDB = 12 V | - | 19 | - | ns |
| Delay Matching (Maximum) | VCCI = 3.3 V or 5 V, VDDA = VDDB = 12 V | - | - | 5 | ns |
| Pulse-Width Distortion (Maximum) | VCCI = 3.3 V or 5 V, VDDA = VDDB = 12 V | - | - | 6 | ns |
| Peak Source Current | - | - | - | 4 | A |
| Peak Sink Current | - | - | - | 6 | A |
| Input VCCI Range | - | 3 | - | 18 | V |
| VDD Supply Voltage Range | - | - | - | 25 | V |
| UVLO Threshold (VDD) | - | - | - | 8 | V |
| Isolation Voltage | - | - | - | 2.5 kVRMS | - |
Key Features
- Single input, dual output with programmable dead time
- Compact 5-mm x 5-mm LGA-13 package
- Switching parameters: 19-ns typical propagation delay, 5-ns maximum delay matching, and 6-ns maximum pulse-width distortion
- Common-mode transient immunity (CMTI) greater than 100 V/ns
- 4-A peak source and 6-A peak sink output current
- TTL and CMOS compatible inputs
- Wide input VCCI range from 3 V to 18 V
- Up to 25 V VDD with 8 V UVLO
- Programmable dead time through a resistor on the DT pin
- Fast disable for power sequencing
- Safety-related certifications: VDE, UL, and CQC
Applications
- Server, telecom, IT, and industrial infrastructures
- AC-to-DC power supplies
- Motor drive and DC-to-AC solar inverters
- HEV and BEV battery chargers
Q & A
- What is the typical propagation delay of the UCC20225NPLR?
The typical propagation delay is 19 ns.
- What is the maximum delay matching for the UCC20225NPLR?
The maximum delay matching is 5 ns.
- What is the peak source and sink current of the UCC20225NPLR?
The peak source current is 4 A, and the peak sink current is 6 A.
- What is the input VCCI range for the UCC20225NPLR?
The input VCCI range is from 3 V to 18 V.
- What is the maximum VDD supply voltage for the UCC20225NPLR?
The maximum VDD supply voltage is 25 V.
- Does the UCC20225NPLR have under voltage lock-out (UVLO) protection?
Yes, it has UVLO protection for both VDD and VCCI.
- What are the safety-related certifications for the UCC20225NPLR?
The device is certified according to VDE, UL, and CQC standards.
- What is the isolation voltage of the UCC20225NPLR?
The isolation voltage is 2.5 kVRMS.
- Can the UCC20225NPLR be used in high-frequency applications?
Yes, it can drive power transistors up to 5 MHz.
- What are some typical applications of the UCC20225NPLR?
Typical applications include server, telecom, IT, and industrial infrastructures, AC-to-DC power supplies, motor drive and DC-to-AC solar inverters, and HEV and BEV battery chargers.
