Overview
The UCC27517ADBVR is a high-speed, single-channel, low-side gate driver IC produced by Texas Instruments. This device is designed to effectively drive MOSFET and IGBT power switches, offering superior performance and reliability. It features a compact 5-pin SOT-23 (DBV) package and operates over a wide temperature range of -40°C to 125°C. The UCC27517ADBVR is compliant with EU RoHS, China RoHS, and REACH regulations, ensuring environmental sustainability and regulatory compliance.
Key Specifications
| Specification | Value |
|---|---|
| Interface IC Type | Buffer/Inverter Based MOSFET Driver |
| Package Type | SOT-23 (DBV), 5-pin |
| Operating Temperature Range | -40°C to 125°C |
| Output Current-Max | 4 A |
| Supply Voltage Range | 4.5 V to 18 V |
| Supply Voltage-Nom | 12 V |
| Propagation Delay (Typical) | 13 ns |
| Rise and Fall Times (Typical) | 9 ns and 7 ns |
| Input Logic Threshold | TTL and CMOS compatible |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Moisture Sensitivity Level | 1 |
Key Features
- 4-A peak-source and sink symmetrical drive capability
- Ability to handle negative voltages (5 V) at inputs
- Fast propagation delays (13-ns typical) and rise and fall times (9-ns and 7-ns typical)
- Wide single-supply range of 4.5 V to 18 V
- Outputs held low during VDD UVLO for glitch-free operation at power up and power down
- TTL and CMOS compatible input-logic thresholds, independent of supply voltage
- Hysteretic-logic thresholds for high-noise immunity
- Dual input design allowing for inverting (IN- pin) or non-inverting (IN+ pin) configurations
- Unused input pin can be used for enable or disable function
- Internal pullup and pulldown resistors ensure outputs are held low when input pins are floating
Applications
The UCC27517ADBVR is suitable for a variety of applications, including:
- Driving MOSFET and IGBT power switches in power management systems
- Wide band-gap power-switching devices such as GaN power semiconductor devices
- Automotive and industrial power systems requiring high reliability and performance
- High-speed switching applications where low propagation delay and fast rise and fall times are critical
Q & A
- What is the package type of the UCC27517ADBVR?
The UCC27517ADBVR comes in a 5-pin SOT-23 (DBV) package.
- What is the operating temperature range of the UCC27517ADBVR?
The operating temperature range is -40°C to 125°C.
- What is the maximum output current of the UCC27517ADBVR?
The maximum output current is 4 A.
- What is the supply voltage range of the UCC27517ADBVR?
The supply voltage range is 4.5 V to 18 V.
- Does the UCC27517ADBVR support TTL and CMOS compatible input logic?
Yes, it supports TTL and CMOS compatible input-logic thresholds.
- Can the UCC27517ADBVR handle negative input voltages?
Yes, it can handle negative voltages up to 5 V at the inputs.
- What are the typical propagation delay and rise and fall times of the UCC27517ADBVR?
The typical propagation delay is 13 ns, and the rise and fall times are 9 ns and 7 ns, respectively.
- Is the UCC27517ADBVR RoHS and REACH compliant?
Yes, it is compliant with EU RoHS, China RoHS, and REACH regulations.
- What is the purpose of the dual input design in the UCC27517ADBVR?
The dual input design allows for both inverting (IN- pin) and non-inverting (IN+ pin) configurations, and the unused input pin can be used for enable or disable functions.
- How does the UCC27517ADBVR ensure glitch-free operation during power up and power down?
The device has internal Undervoltage Lockout (UVLO) circuitry that holds the output low outside the VDD operating range, ensuring glitch-free operation.
