Overview
The UCC27531DBVR from Texas Instruments is a high-speed, single-channel gate driver designed to drive MOSFET and IGBT power switches efficiently. This device is part of the UCC2753x family and offers a low-cost solution with superior performance compared to discrete transistor pair drives. It features split output options, enabling the tuning of turn-on and turn-off currents, and supports both high-side and low-side driver configurations with proper bias and signal isolation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Source Current (OUTH) | 2.5 A | A |
| Peak Sink Current (OUTL) | 5 A | A |
| VDD Range | 10 V to 35 V | V |
| Input Logic Threshold | TTL and CMOS compatible | - |
| Enable Threshold | 1.7 to 2.1 V (High), 0.8 to 1.2 V (Low) | V |
| Propagation Delay | 17 ns (Typical) | ns |
| Rise Time | 15 ns (Typical) | ns |
| Fall Time | 7 ns (Typical) | ns |
| Operating Temperature Range | -40°C to 140°C | °C |
| Package Type | SOT-23-6 | - |
Key Features
- Low-cost gate driver for FET and IGBTs
- Superior replacement to discrete transistor pair drives
- TTL and CMOS compatible input logic threshold
- Split output options for tuning turn-on and turn-off currents
- Inverting and non-inverting input configurations
- Enable with fixed TTL compatible threshold
- High 2.5-A source and 5-A sink peak drive currents at 18-V VDD
- Wide VDD range from 10 V to 35 V
- Input and enable pins capable of withstanding up to –5-V DC below ground
- Fast propagation delays and rise/fall times
- Undervoltage lockout (UVLO) function
- Low-cost, space-saving 6-pin SOT-23 package
Applications
- Switched-mode power supplies
- DC-to-DC converters
- Solar inverters and motor control
- UPS (Uninterruptible Power Supplies)
- HEV (Hybrid Electric Vehicle) and EV (Electric Vehicle) chargers
- Home appliances
- Renewable energy power conversion
- SIC FET converters
Q & A
- What is the peak source current of the UCC27531DBVR?
The peak source current is 2.5 A. - What is the peak sink current of the UCC27531DBVR?
The peak sink current is 5 A. - What is the VDD range for the UCC27531DBVR?
The VDD range is from 10 V to 35 V. - Is the input logic threshold of the UCC27531DBVR TTL and CMOS compatible?
Yes, it is TTL and CMOS compatible. - What is the typical propagation delay of the UCC27531DBVR?
The typical propagation delay is 17 ns. - What is the typical rise time of the UCC27531DBVR?
The typical rise time is 15 ns. - What is the typical fall time of the UCC27531DBVR?
The typical fall time is 7 ns. - What is the operating temperature range of the UCC27531DBVR?
The operating temperature range is from -40°C to 140°C. - What type of package does the UCC27531DBVR come in?
The UCC27531DBVR comes in a 6-pin SOT-23 package. - Does the UCC27531DBVR have an undervoltage lockout (UVLO) function?
Yes, it does have an undervoltage lockout (UVLO) function.
