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ucc27211dr-etched.glb ucc27211dr: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
ucc27211dr-etched.step ucc27211dr: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
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UCC27211DR

Texas Instruments · Gate Drivers · SOIC-8

UCC27211DR from Texas Instruments, in a SOIC-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 VDD power_in Positive supply voltage for the lower-gate driver, operating range 8V to 17V with 0.22µF to 4.7µF decoupling capacitor recommended.
2 HB power_in High-side bootstrap supply; connect positive terminal of bootstrap capacitor to this pin with typical 0.022µF to 0.1µF bypass capacitor.
3 HO output High-side gate driver output; connect to gate of high-side power MOSFET with 3.7A peak source and 4.5A peak sink output current.
4 HS passive High-side source connection; connect to source of high-side power MOSFET and negative terminal of bootstrap capacitor, voltage range −1V to 115V DC.
5 HI input High-side gate driver input, TTL compatible with input voltage range −10V to 20V independent of VDD supply voltage.
6 LI input Low-side gate driver input, TTL compatible with input voltage range −10V to 20V independent of VDD supply voltage.
7 VSS power_in Negative supply terminal (ground reference) for the device.
8 LO output Low-side gate driver output; connect to gate of low-side power MOSFET with 3.7A peak source and 4.5A peak sink output current.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-8
Category Motor Driver ICs
Pins 8

CAD (KiCad official)

  • Symbol: UCC27211DR
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: ucc27211dr-etched.step / ucc27211dr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ucc27211dr.step / ucc27211dr.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (51 pp, sha256 832686f28b1a07e1, retrieved 2026-09-26, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-4-6 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF