Overview
The UCC27537DBVR from Texas Instruments is a single-channel, high-speed gate driver designed to effectively drive MOSFET and IGBT power switches. This device is part of the UCC2753x family and offers a low-cost, space-saving solution with a 5-pin or 6-pin DBV (SOT-23) package. It features high peak drive currents, fast propagation delays, and a wide operating temperature range, making it an ideal choice for various power management applications.
Key Specifications
| Parameter | Value |
|---|---|
| Package | SOT-23 (DBV), 5-pin or 6-pin |
| Maximum Output Current | 2.5 A source, 2.5 A or 5 A sink |
| VDD Range | 10 V to 35 V |
| Undervoltage Lockout (UVLO) | 8 V |
| Propagation Delay | 17 ns typical |
| Rise and Fall Times | 15 ns and 7 ns typical with 1800-pF Load |
| Operating Temperature Range | –40°C to 140°C |
| Input and Enable Pins | Capable of withstanding up to –5-V DC below ground |
| Input Logic Threshold | TTL and CMOS compatible, independent of supply voltage |
Key Features
- Low-cost gate driver with optimal solution for driving FET and IGBTs
- Superior replacement to discrete transistor pair drive, providing easy interface with controller
- TTL and CMOS compatible input logic threshold, independent of supply voltage
- Split output options allow for tuning of turn-on and turn-off currents
- Inverting and non-inverting input configurations
- Enable with fixed TTL compatible threshold
- High peak drive currents: 2.5 A source and 2.5 A or 5 A sink 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
- Output held low when inputs are floating or during VDD UVLO
- Fast propagation delays and rise and fall times
- Used as a high-side or low-side driver with proper bias and signal isolation
- Pin-to-pin compatible to TPS2828 and TPS2829
Applications
The UCC27537DBVR is commonly used in various power management applications, including:
- Automotive systems to control motors, solenoids, and heaters
- Industrial applications for driving high-side power devices such as MOSFETs and IGBTs
- Consumer electronics for efficient power switching and control
- Power supplies and DC-DC converters requiring high-speed gate driving
Q & A
- What is the maximum output current of the UCC27537DBVR?
The UCC27537DBVR has a maximum output current of 2.5 A source and 2.5 A or 5 A sink at 18-V VDD.
- What is the operating temperature range of the UCC27537DBVR?
The operating temperature range is from –40°C to 140°C.
- What is the undervoltage lockout (UVLO) threshold of the UCC27537DBVR?
The UVLO threshold is 8 V.
- Can the UCC27537DBVR be used as both a high-side and low-side driver?
- What are the typical propagation delays and rise and fall times of the UCC27537DBVR?
The typical propagation delay is 17 ns, and the rise and fall times are 15 ns and 7 ns with a 1800-pF load.
- Is the UCC27537DBVR compatible with TTL and CMOS input logic?
- What package options are available for the UCC27537DBVR?
- How does the UCC27537DBVR handle floating inputs or VDD UVLO?
- Can the UCC27537DBVR be used in automotive applications?
- Is the UCC27537DBVR pin-to-pin compatible with other Texas Instruments devices?
