The Texas Instruments UCC27531QDBVRQ1 is an automotive-qualified, single-channel high-speed gate driver designed for MOSFET, IGBT, and SiC FET power switches. It provides up to 2.5A peak source current and 5A peak sink current at 18V VDD. The stronger sink capability helps improve immunity to parasitic Miller turn-on. TI currently lists the exact orderable part as ACTIVE.
The recommended VDD operating range is 10V to 32V, with 18V nominal. The device has a 35V absolute maximum VDD rating, which should not be confused with the recommended continuous operating voltage. Its UVLO circuitry provides an 8.9V typical turn-on threshold, 8.2V typical turn-off threshold, and approximately 0.7V hysteresis.
The driver provides split OUTH and OUTL outputs, allowing separate turn-on and turn-off gate resistors to independently optimize power-switch slew rates. It uses a non-inverting input and provides rail-to-rail gate-drive capability.
With VDD = 18V and a 1.8nF load, the device provides 17ns typical propagation delay, 15ns typical rise time, and 7ns typical fall time. TTL- and CMOS-compatible input thresholds are largely independent of supply voltage, with approximately 1V typical input hysteresis for enhanced noise immunity.
The exact UCC27531QDBVRQ1 is AEC-Q100 qualified for automotive applications and uses a 6-pin SOT-23 (DBV) package. TI specifies the orderable part for -40°C to +125°C, with 3,000 devices per large tape-and-reel, NiPdAu lead finish, MSL Level 2, and RoHS/REACH compliance.
Key Features:
- Manufacturer: Texas Instruments
- Part Number: UCC27531QDBVRQ1
- Device Type: Single-Channel Gate Driver
- Power Switches: MOSFET / IGBT / SiC FET
- Logic: Non-Inverting
- Peak Source Current: 2.5A
- Peak Sink Current: 5A
- Split Outputs: OUTH / OUTL
- Recommended VDD: 10V to 32V
- VDD Absolute Maximum: 35V
- UVLO Turn-On: 8.9V Typical
- UVLO Turn-Off: 8.2V Typical
- Propagation Delay: 17ns Typical
- Rise Time: 15ns Typical
- Fall Time: 7ns Typical
- TTL / CMOS Compatible Input
- Input / EN Negative Voltage: Down to -5V recommended
- Enable Input
- AEC-Q100 Qualified
- Automotive Grade: Grade 1
- Exact Orderable Temperature Range: -40°C to +125°C
- Package: 6-Pin SOT-23 / DBV
- Packaging: Large Tape & Reel
- Reel Quantity: 3,000 pcs
- MSL: Level 2
- RoHS / REACH Compliant
- Product Status: ACTIVE.
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