component
UCC27511
Public Made by Adomby adom
TI single low-side MOSFET gate driver, SOT-23-6. 4 A source / 8 A sink, split outputs, fast. Datasheet-verified.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownUCC27511
Texas Instruments · Gate driver · SOT-23-6
Drives the gate of a power MOSFET or IGBT from a logic signal, sourcing 4 A and sinking 8 A to switch it quickly and cut switching loss. Separate OUTH and OUTL pins let a resistor set the turn-on and turn-off speeds independently, and the inputs are TTL/CMOS compatible with hysteresis and an inverting option (IN-, IN+). Propagation delay is about 13 ns. A small, fast low-side driver for switch-mode supplies and motor stages.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | VDD | power_in | Bias supply input. Operating range 4.5 V to 18 V. Internal UVLO holds outputs low outside operating range. |
| 2 | OUTH | output | Sourcing current output of driver (4-A peak source). Connect a resistor between OUTH and the gate of the power-switching device to adjust turn-on speed. |
| 3 | OUTL | output | Sinking current output of driver (8-A peak sink). Connect a resistor between OUTL and the gate of the power-switching device to adjust turn-off speed. Low pulldown impedance ~0.375 Ω. |
| 4 | GND | power_in | Ground reference. All signals referenced to this pin. |
| 5 | IN- | input | Inverting input. When the driver is used in noninverting configuration, connect IN- to GND to enable the output. Output is held LOW if IN- is unbiased or floating (internal pullup/pulldown). |
| 6 | IN+ | input | Noninverting input. When the driver is used in inverting configuration, connect IN+ to VDD to enable the output. Output is held LOW if IN+ is unbiased or floating (internal pullup/pulldown). |
Key specifications
| Parameter | Value |
|---|---|
| Type | Single low-side gate driver |
| Peak source | 4 A |
| Peak sink | 8 A |
| Outputs | Split OUTH / OUTL (independent R) |
| Inputs | TTL/CMOS, dual (IN+, IN-) |
| Propagation delay | ~13 ns |
| Supply | 4.5-18 V |
| Package | SOT-23-6 |
Ordering variants
Same part, different packaging or reel option.
UCC27511DBVR (SOT-23-6, tape & reel)UCC27511ADBVR (SOT-23-6, variant)
CAD (KiCad official)
- Symbol:
Driver_FET:UCC27511ADBV (KiCad official) - Footprint:
Package_TO_SOT_SMD:SOT-23-6 - 3D model: SOT-23-6 (KiCad packages3D, STEP)
- 3D model files:
ucc27511-etched.step/ucc27511-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ucc27511.step/ucc27511.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (40 pp, sha256
781cc451dbb371a4, retrieved 2026-08-17, tier: manufacturer) - Extractor:
ds2sf(Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate. - CAD: KiCad official libraries (CC-BY-SA 4.0).