component
UCC37321DR
Public Made by Adomby adom
Texas Instruments Gate Drivers, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
PCB Footprint
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Datasheet
Open in new tab ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
README
markdownUCC37321DR
Texas Instruments · Gate Drivers · SOIC-8
UCC37321DR 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 | Supply voltage and power input connection for the device; pins 1 and 8 must be connected together externally. |
| 2 | IN | input | Input signal of the driver, with logic-compatible threshold and hysteresis. |
| 3 | ENBL | input | Enable input with logic-compatible threshold and hysteresis; it is internally pulled up to VDD through 100 kΩ for active-high operation, and when disabled the output is low regardless of the input state. |
| 4 | AGND | power_in | Ground for the control circuit, which must be common with the control circuit and connected to PGND by a single thick trace directly under the device. |
| 5 | PGND | power_in | Common ground for the output stage, which must be connected very closely to the source of the power MOSFET being driven. |
| 6 | OUT | output | Driver output that must be connected externally to pin 7; it provides 9-A peak drive current to the gate of a power MOSFET. |
| 7 | OUT | output | Driver output that must be connected externally to pin 6; it provides 9-A peak drive current to the gate of a power MOSFET. |
| 8 | VDD | power_in | Supply voltage and power input connection for the device; pins 1 and 8 must be connected together externally. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-8 |
| Category | Motor Driver ICs |
| Pins | 8 |
CAD (KiCad official)
- Symbol:
UCC37321DR - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files:
ucc37321dr-etched.step/ucc37321dr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ucc37321dr.step/ucc37321dr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (40 pp, sha256
06a9f418bccf4e04, retrieved 2026-10-10, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).