Overview
The UCC27282-Q1, produced by Texas Instruments, is a robust N-channel MOSFET driver designed specifically for automotive applications. This high-frequency, high-performance power management integrated circuit (PMIC) gate driver is optimized for controlling two N-channel MOSFETs in half-bridge or synchronous buck configuration topologies. It features a maximum switch node (HS) voltage rating of 100 V and is capable of driving large power MOSFETs with minimal switching losses. The driver is AEC-Q100 qualified, ensuring it meets stringent automotive environmental and temperature demands.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Supply Voltage Range | 5.5 V to 16 V |
| Peak Output Current (Source, Sink) | 2.5 A, 3.5 A |
| High Side Voltage - Max (Bootstrap) | 120 V |
| Rise / Fall Time (Typ) | 12 ns, 10 ns |
| Logic Voltage - VIL / VIH | 0.9 V / 2.4 V |
| Operating Temperature Range | -40°C to 125°C |
| Propagation Delay (Typ) | 16 ns |
| Delay Matching (Typ) | 1 ns |
| Absolute Maximum Negative Voltage Handling on Inputs / HS | -5 V / -14 V |
| Integrated Bootstrap Diode | Yes |
Key Features
- Dual independent gate drivers for high-side and low-side configuration.
- Support for N-Channel MOSFET gate driving.
- Input interlock for improved robustness and system reliability in high noise applications.
- Enable/disable functionality to reduce power consumption and respond to fault events.
- 5-V typical under voltage lockout (UVLO) for both high-side and low-side driver stages.
- Small propagation delay and delay matching specifications to minimize dead-time requirement.
- Integrated bootstrap diode to save board space and reduce system cost.
- Low current consumption (7 µA) when disabled.
- Functional Safety-Capable and AEC-Q100 qualified.
Applications
The UCC27282-Q1 is primarily designed for automotive applications, including but not limited to:
- Power management systems in vehicles.
- High-frequency power conversion systems.
- Synchronous buck converters.
- Half-bridge configurations in automotive power electronics.
Q & A
- What is the maximum switch node (HS) voltage rating of the UCC27282-Q1?
The maximum switch node (HS) voltage rating is 100 V.
- What is the peak output current capability of the UCC27282-Q1?
The peak output current is 2.5 A (source) and 3.5 A (sink).
- What is the operating temperature range of the UCC27282-Q1?
The operating temperature range is -40°C to 125°C.
- Does the UCC27282-Q1 have an integrated bootstrap diode?
Yes, it has an integrated bootstrap diode.
- What is the typical under voltage lockout (UVLO) voltage for the UCC27282-Q1?
The typical UVLO voltage is 5 V.
- Is the UCC27282-Q1 AEC-Q100 qualified?
Yes, it is AEC-Q100 qualified.
- What is the propagation delay and delay matching of the UCC27282-Q1?
The typical propagation delay is 16 ns, and the delay matching is 1 ns.
- Can the UCC27282-Q1 tolerate negative voltage on its inputs and HS pin?
Yes, it can tolerate significant negative voltage on its inputs and HS pin.
- What is the current consumption when the UCC27282-Q1 is disabled?
The current consumption when disabled is 7 µA.
- Is the UCC27282-Q1 suitable for high-frequency applications?
Yes, it is optimized for high-frequency applications.
