Overview
The UCC27712DR is a high-performance gate driver produced by Texas Instruments. It is designed to drive power MOSFETs or IGBTs in various high-voltage applications. This device features a high-side and low-side configuration, making it suitable for bridge topologies such as half-bridge and full-bridge configurations. The UCC27712DR operates up to 620 V and has peak output currents of 1.8 A source and 2.8 A sink. It is developed with Texas Instruments' state-of-the-art high-voltage device technology, ensuring robust drive with excellent noise and transient immunity.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Voltage Range (VDD) | 10 - 20 | V |
| Maximum Voltage (HB Pin) | 700 | V |
| Peak Output Current (Sink) | 2.8 | A |
| Peak Output Current (Source) | 1.8 | A |
| Dead Time | 150 | ns |
| Propagation Delay (Typical) | 100 | ns |
| Delay Matching (Typical) | 12 | ns |
| Operating Temperature Range | -40 to 125 | °C |
| Package Type | SOIC-8 | |
| dv/dt Immunity | 50 | V/ns |
Key Features
- High-side and low-side configuration with dual inputs and output interlock
- 150-ns deadtime and small propagation delay (100-ns typical)
- Fully operational up to 620 V, with 700 V absolute maximum on HB pin
- Peak output current of 2.8 A sink and 1.8 A source
- dv/dt immunity of 50 V/ns and logic operational up to –11 V on HS pin
- Negative voltage tolerance on inputs of –5 V and large negative transient safe operating area
- UVLO protection for both channels and low quiescent current
- TTL and CMOS compatible inputs and industry standard SOIC-8 package
- Floating channel designed for bootstrap operation
- Excellent delay matching (12-ns typical) between both channels
Applications
- Motor drive (stepper motors, HVAC, fans, power tools, robotics, drones)
- Bridge converters in offline AC/DC power supplies
- High-density switch mode power supplies for server, telecom, IT, and industrial infrastructures
- DC-to-AC inverters
Q & A
- What is the maximum operating voltage of the UCC27712DR?
The UCC27712DR operates up to 620 V, with an absolute maximum voltage of 700 V on the HB pin.
- What are the peak output currents of the UCC27712DR?
The peak output currents are 2.8 A sink and 1.8 A source.
- What is the dead time and propagation delay of the UCC27712DR?
The dead time is 150 ns, and the propagation delay is typically 100 ns.
- What is the operating temperature range of the UCC27712DR?
The operating temperature range is –40 °C to 125 °C.
- What type of package does the UCC27712DR come in?
The UCC27712DR comes in an industry standard SOIC-8 package.
- Does the UCC27712DR have UVLO protection?
Yes, the UCC27712DR includes UVLO protection for both the VDD and HB bias supply.
- Is the UCC27712DR compatible with TTL and CMOS inputs?
Yes, the UCC27712DR has TTL and CMOS compatible inputs.
- What is the dv/dt immunity of the UCC27712DR?
The dv/dt immunity is 50 V/ns.
- Can the UCC27712DR be used in bootstrap operation?
Yes, the floating channel is designed for bootstrap operation.
- What are some common applications of the UCC27712DR?
Common applications include motor drive, bridge converters in offline AC/DC power supplies, high-density switch mode power supplies, and DC-to-AC inverters.
