Overview
The UCC27512DRSR is a single-channel, high-speed, low-side gate-driver device produced by Texas Instruments. This component is designed to effectively drive MOSFET and IGBT power switches, offering superior performance and reliability. It features a low-cost design that replaces traditional NPN and PNP discrete solutions, making it an efficient choice for various power management applications. The UCC27512DRSR operates over a wide voltage range of 4.5 to 18 V and has an operating temperature range of -40°C to 140°C, ensuring robust operation in diverse environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | WSON (DRS) 6-pin | |
| Operating Temperature Range | -40 to 140 | °C |
| Peak Source Current | 4 A | |
| Peak Sink Current | 8 A | |
| Propagation Delay | 13 ns (typical) | |
| Rise Time | 9 ns (typical) | |
| Fall Time | 7 ns (typical) | |
| Supply Voltage Range | 4.5 to 18 V | |
| Input Logic Threshold | TTL and CMOS compatible |
Key Features
- Low-cost gate-driver device offering superior replacement of NPN and PNP discrete solutions.
- 4-A peak source and 8-A peak sink asymmetrical drive capability.
- Strong sink current enhances immunity against Miller turn-on effect.
- Split output configuration allows independent adjustment of turn-on and turn-off speeds.
- Fast propagation delays (13 ns typical) and fast rise and fall times (9 ns and 7 ns typical).
- Wide supply voltage range of 4.5 to 18 V.
- Outputs held low during VDD undervoltage lockout (UVLO) for glitch-free operation.
- TTL and CMOS compatible input logic thresholds, independent of supply voltage.
- Hysteretic logic thresholds for high noise immunity.
- Dual-input design with inverting (IN-) and noninverting (IN+) configurations.
- Unused input pin can be used for enable or disable functions.
- Outputs held low when input pins are floating.
Applications
- Switched-mode power supplies.
- DC-to-DC converters.
- Companion gate-driver devices for digital power controllers.
- Solar power systems.
- Motor control systems.
- UPS (Uninterruptible Power Supplies).
- Gate driver for emerging wide band-gap power devices such as GaN power-semiconductor devices.
Q & A
- What is the operating temperature range of the UCC27512DRSR? The operating temperature range is -40°C to 140°C.
- What is the peak source and sink current capability of the UCC27512DRSR? The device can source 4 A and sink 8 A peak current.
- What is the typical propagation delay of the UCC27512DRSR? The typical propagation delay is 13 ns.
- What is the supply voltage range for the UCC27512DRSR? The supply voltage range is 4.5 to 18 V.
- Does the UCC27512DRSR support TTL and CMOS compatible input logic thresholds? Yes, it supports TTL and CMOS compatible input logic thresholds.
- What is the purpose of the undervoltage lockout (UVLO) feature in the UCC27512DRSR? The UVLO feature ensures that the outputs are held low during power-up and power-down to prevent glitches.
- Can the unused input pin be used for other functions? Yes, the unused input pin can be used for enable or disable functions.
- How does the split output configuration benefit the user? The split output configuration allows the user to apply independent turn-on and turn-off resistors, enabling easy control of switching slew rates.
- What types of power devices can the UCC27512DRSR drive? The UCC27512DRSR can drive MOSFET and IGBT power switches, including emerging wide band-gap power devices such as GaN power-semiconductor devices.
- What are some common applications of the UCC27512DRSR? Common applications include switched-mode power supplies, DC-to-DC converters, solar power systems, motor control systems, and UPS.
