Overview
The UCC37322DR is a high-speed, single-channel gate driver from Texas Instruments, designed to drive large MOSFETs in various high-performance applications. This device is part of the UCC2732x/UCC3732x family, known for their high peak drive current and industry-standard pinout. The UCC37322DR features a non-inverting logic option and includes an enable function for better control over the driver operation. It is particularly useful in systems that require high dV/dt transitions and extreme Miller current, thereby simplifying design and reducing component count.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Output Current | ±9 A | A |
| Propagation Delay Time (Falling Input) | 25 ns | ns |
| Propagation Delay Time (Rising Input) | 35 ns | ns |
| Rise and Fall Times (10-nF Load) | 20 ns | ns |
| Supply Voltage Range | 4 V to 15 V | V |
| Operating Temperature Range | –40°C to +105°C | °C |
| Package Type | SOIC (D) with 8 pins | |
| Thermal Resistance (Junction-to-Ambient) | 56.6 °C/W | °C/W |
Key Features
- Industry-standard pinout with the addition of an enable function.
- High-peak current drive capability of ±9 A at the Miller plateau region using TrueDrive technology.
- Efficient constant current sourcing using a unique bipolar and CMOS output stage.
- TTL/CMOS compatible inputs independent of supply voltage.
- Low propagation delay times and fast rise and fall times (20 ns typical with a 10-nF load).
- Available in thermally enhanced MSOP PowerPAD™ package.
- Pb-free finish on SOIC and PDIP packages).
- Latch-up and ESD protection circuitries included).
Applications
The UCC37322DR is suitable for a variety of high-performance applications, including:
- Driving large MOSFETs in power supplies, motor control systems, and other high dV/dt transition environments).
- Replacing multiple components to reduce space, design complexity, and assembly cost in systems requiring extreme Miller current).
- Use in industry-standard 6-A, 9-A, and many 12-A driver applications due to its versatile drive architecture).
Q & A
- What is the peak output current of the UCC37322DR?
The peak output current of the UCC37322DR is ±9 A).
- What is the propagation delay time for the UCC37322DR?
The propagation delay time is 25 ns for a falling input and 35 ns for a rising input).
- What is the supply voltage range for the UCC37322DR?
The supply voltage range is from 4 V to 15 V).
- What package types are available for the UCC37322DR?
The UCC37322DR is available in an 8-pin SOIC (D) package and a thermally enhanced MSOP PowerPAD™ package).
- Does the UCC37322DR have ESD protection?
- What is the operating temperature range for the UCC37322DR?
The operating temperature range is from –40°C to +105°C).
- Is the UCC37322DR Pb-free?
- What is the typical rise and fall time for the UCC37322DR with a 10-nF load?
The typical rise and fall times are 20 ns each with a 10-nF load).
- Does the UCC37322DR support TTL/CMOS compatible inputs?
- What is the thermal resistance (junction-to-ambient) for the SOIC package of the UCC37322DR?
The thermal resistance (junction-to-ambient) for the SOIC package is 56.6 °C/W).
