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UCC21732QDWRQ1

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Texas Instruments Isolators - Gate Drivers, SOIC-16-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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UCC21732QDWRQ1

Texas Instruments · Isolators - Gate Drivers · SOIC-16-300mil

UCC21732QDWRQ1 from Texas Instruments, in a SOIC-16-300mil. 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 AIN input Isolated analog sensing input for temperature or voltage measurement; parallel small capacitor to COM for noise immunity or tie to COM if unused.
2 OC input Over-current detection input supporting SenseFET, DESAT, and shunt resistor sensing methods; tie to COM if unused.
3 COM power_in Common ground reference connected to IGBT emitter pin or SiC-MOSFET source pin for output side isolation.
4 OUTH output Gate driver output pull-up providing ±10A peak source current with maximum 33V output drive voltage.
5 VDD power_in Positive supply rail for gate drive voltage (13-33V); bypass with >10-μF capacitor to COM placed close to pin.
6 OUTL output Gate driver output pull-down providing ±10A peak sink current with maximum 33V output drive voltage.
7 CLMPE output External active Miller clamp output for driving external clamp MOSFET gate; leave floating if unused.
8 VEE power_in Negative supply rail for gate drive voltage (return rail); bypass with >10-μF capacitor to COM placed close to pin.
9 GND power_in Input power supply and logic ground reference for control side.
10 IN+ input Non-inverting gate driver control input with <40ns deglitch filter; tie to VCC if unused.
11 IN- input Inverting gate driver control input with <40ns deglitch filter; tie to GND if unused.
12 RDY output Power-good output (open drain) for VCC-GND and VDD-COM supply monitoring; can be paralleled with other RDY signals.
13 FLT output Active-low fault alarm output (open drain) upon overcurrent or short-circuit detection; can be paralleled with other fault signals.
14 RST/EN input Reset and enable/disable input; requires >1000ns low pulse width to reset over-current fault condition signaled on FLT pin.
15 VCC power_in Input power supply (3-5.5V) for control side; bypass with >1-μF capacitor to GND placed close to pin.
16 APWM output Isolated analog-to-PWM sensor output for temperature or voltage measurement across isolation barrier; leave floating if unused.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-16-300mil
Category Power Management (PMIC)
Pins 16

CAD (KiCad official)

  • Symbol: UCC21732QDWRQ1
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOIC-16-300mil (KiCad packages3D, STEP)
  • 3D model files: ucc21732qdwrq1-etched.step / ucc21732qdwrq1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ucc21732qdwrq1.step / ucc21732qdwrq1.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (59 pp, sha256 a9af846392bb2103, retrieved 2026-10-06, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-5-5 (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