Overview
The UCC27322DGNR is a high-speed, low-side MOSFET driver from Texas Instruments, designed to deliver high peak drive current and efficient performance in various power management and control applications. This device is part of the UCC2732x/UCC3732x family and is available in the MSOP-PowerPAD package, which enhances thermal performance and reliability. The UCC27322DGNR offers a unique hybrid output stage combining bipolar and MOSFET transistors, known as TrueDrive, allowing for efficient current delivery even at low supply voltages.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VDD) | 4.5 | - | 15 | V |
| Peak Output Current (OUT) | - | - | 9 | A |
| Input Voltage (IN) | -0.3 | - | 6 or VDD + 0.3 | V |
| Enable Voltage (ENBL) | -0.3 | - | 6 or VDD + 0.3 | V |
| Junction Operating Temperature (TJ) | -55 | - | 150 | °C |
| Storage Temperature (Tstg) | -65 | - | 150 | °C |
| Power Dissipation at TA = 25°C (DGN package) | - | - | 3 | W |
| Propagation Delay Time (tD1, tD2) | 25 | 70 | 90 | ns |
| Rise Time (tR) | 20 | - | 70 | ns |
| Fall Time (tF) | 20 | - | 30 | ns |
Key Features
- High peak drive current of 9 A to drive large MOSFETs efficiently.
- Hybrid output stage (TrueDrive) combining bipolar and MOSFET transistors for efficient current delivery at low supply voltages.
- Available in MSOP-PowerPAD package, which reduces thermal resistance and enhances long-term reliability.
- Enable function (ENBL) for better control of the driver operation.
- Latch up and ESD protection circuitries included.
- Logic compatible input and enable thresholds with hysteresis.
- Separate grounds for analog and power stages to minimize ringing effects.
Applications
- Switch Mode Power Supplies
- DC-DC Converters
- Motor Controllers
- Class-D Switching Amplifiers
- Line Drivers
- Pulse Transformer Drivers
Q & A
- What is the peak output current of the UCC27322DGNR?
The peak output current is 9 A. - What are the available package options for the UCC27322DGNR?
The device is available in the 8-pin MSOP-PowerPAD package. - What is the TrueDrive technology in the UCC27322DGNR?
TrueDrive is a hybrid output stage that combines bipolar and MOSFET transistors for efficient current delivery at low supply voltages. - What is the purpose of the enable function (ENBL) in the UCC27322DGNR?
The enable function allows for better control of the driver operation by enabling or disabling the output. - What are the recommended operating conditions for the supply voltage (VDD) of the UCC27322DGNR?
The recommended supply voltage range is from 4.5 V to 15 V. - What is the junction operating temperature range for the UCC27322DGNR?
The junction operating temperature range is from -55°C to 150°C. - Does the UCC27322DGNR have ESD protection?
Yes, the device includes ESD protection circuitries. - What are the typical applications of the UCC27322DGNR?
Typical applications include switch mode power supplies, DC-DC converters, motor controllers, Class-D switching amplifiers, line drivers, and pulse transformer drivers. - How does the MSOP-PowerPAD package benefit the UCC27322DGNR?
The MSOP-PowerPAD package reduces thermal resistance, extending the temperature operation range and improving long-term reliability. - What is the propagation delay time for the UCC27322DGNR?
The propagation delay time (tD1, tD2) is typically between 25 ns and 90 ns.
