Overview
The UCC27282DRCR is a robust N-channel MOSFET driver manufactured by Texas Instruments. It is designed to drive two N-channel MOSFETs in half-bridge or synchronous buck configuration topologies. This driver IC features a maximum switch node (HS) voltage rating of 100 V and supports high-frequency switch-mode power supplies and motor control applications. The UCC27282DRCR is known for its high efficiency, fast switching speed, and robust performance, making it ideal for systems that require precise control and reliability.
Key Specifications
| Parameter | Specification |
|---|---|
| Package | VSON (DRC) with 10 pins |
| Operating Temperature Range (°C) | -40 to 125 |
| Supply Voltage Range | 4.5 V to 18 V |
| Peak Output Current | ±3 A |
| Propagation Delay | 16 ns (typical) |
| Rise and Fall Times | 12 ns (rise), 10 ns (fall) with 1.8 nF load |
| Delay Matching | 1 ns (typical) |
| Absolute Maximum Negative Voltage Handling on Inputs | -5 V |
| Absolute Maximum Negative Voltage Handling on HS | -14 V |
| Absolute Maximum Boot Voltage | 120 V |
| Current Consumption When Disabled | 7 µA |
Key Features
- Drives two N-channel MOSFETs in high-side low-side configuration
- 5-V typical under voltage lockout (UVLO)
- Input interlock and enable/disable functionality
- Fast propagation delay and rise/fall times (16 ns, 12 ns, 10 ns respectively)
- Low current consumption when disabled (7 µA)
- Integrated bootstrap diode
- Adaptive shoot-through protection
- Wide supply voltage range (4.5 V to 18 V)
- Dual-channel design for independent control of high-side and low-side MOSFETs
Applications
- High-frequency switch-mode power supplies
- Motor control systems (brushless DC motors, stepper motors, motor drives)
- Industrial automation (conveyor belts, robotics, automated machinery)
- Renewable energy systems (solar inverters, wind turbines)
- Electric vehicles (motor control units, battery management)
Q & A
- What is the primary function of the UCC27282DRCR?
The UCC27282DRCR is a dual-channel driver IC designed to drive two N-channel MOSFETs in half-bridge or synchronous buck configuration topologies.
- What are the key features of the UCC27282DRCR?
Key features include fast propagation delay, rise/fall times, 5-V UVLO, input interlock, enable/disable functionality, and an integrated bootstrap diode.
- What are the typical applications of the UCC27282DRCR?
Typical applications include high-frequency switch-mode power supplies, motor control systems, industrial automation, renewable energy systems, and electric vehicles.
- What is the operating temperature range of the UCC27282DRCR?
The operating temperature range is -40°C to 125°C.
- What is the maximum switch node voltage rating of the UCC27282DRCR?
The maximum switch node (HS) voltage rating is 100 V.
- Does the UCC27282DRCR have built-in protection features?
Yes, it includes features such as under voltage lockout (UVLO), input interlock, and adaptive shoot-through protection.
- What is the peak output current of the UCC27282DRCR?
The peak output current is ±3 A.
- How does the UCC27282DRCR reduce system cost and board space?
The integrated bootstrap diode eliminates the need for an external discrete diode, saving board space and reducing system cost.
- Can the UCC27282DRCR be used with both analog and digital controllers?
Yes, the inputs are independent of the supply voltage, allowing it to be used with both analog and digital controllers.
- What design considerations should be kept in mind when using the UCC27282DRCR?
Designers should consider proper layout, decoupling, drive strength requirements, protection circuitry, and thermal management to optimize performance and reliability.
