# AW20108QNR

**AWINIC(Shanghai Awinic Tech)** · LED Drivers · QFN-32L-EP(4x4)

AW20108QNR from AWINIC(Shanghai Awinic Tech), in a QFN-32L-EP(4x4). 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 | R1 | output | Constant current sink, connect to LED's cathode. |
| 2 | R2 | output | Constant current sink, connect to LED's cathode. |
| 3 | R3 | output | Constant current sink, connect to LED's cathode. |
| 4 | R4 | output | Constant current sink, connect to LED's cathode. |
| 5 | R5 | output | Constant current sink, connect to LED's cathode. |
| 6 | R6 | output | Constant current sink, connect to LED's cathode. |
| 7 | R7 | output | Constant current sink, connect to LED's cathode. |
| 8 | R8 | output | Constant current sink, connect to LED's cathode. |
| 9 | R9 | output | Constant current sink, connect to LED's cathode. |
| 10 | R10 | output | Constant current sink, connect to LED's cathode. |
| 11 | R11 | output | Constant current sink, connect to LED's cathode. |
| 12 | R12 | output | Constant current sink, connect to LED's cathode. |
| 13 | VBAT | power_in | Power supply, with VBAT operating range 2.4V to 5.5V. |
| 14 | C9 | output | Current switch, connect to LED's anode in matrix display mode. |
| 15 | C8 | output | Current switch, connect to LED's anode in matrix display mode. |
| 16 | C7 | output | Current switch, connect to LED's anode in matrix display mode. |
| 17 | C6 | output | Current switch, connect to LED's anode in matrix display mode. |
| 18 | C5 | output | Current switch, connect to LED's anode in matrix display mode. |
| 19 | C4 | output | Current switch, connect to LED's anode in matrix display mode. |
| 20 | C3 | output | Current switch, connect to LED's anode in matrix display mode. |
| 21 | C2 | output | Current switch, connect to LED's anode in matrix display mode. |
| 22 | C1 | output | Current switch, connect to LED's anode in matrix display mode. |
| 23 | VBAT | power_in | Power supply, with VBAT operating range 2.4V to 5.5V. |
| 24 | CLKIO | bidirectional | Synchronize pin used to synchronize clock in multiple-device applications, internally pulled down to GND with a resistor of 1MΩ. |
| 25 | AD | input | I2C address select, connects to GND, VDD, SCL or SDA for different device addresses of I2C, internally pulled down to GND with a resistor of 1MΩ. |
| 26 | SDA | bidirectional | Serial clock input for I2C interface (as printed in the pin definition table). |
| 27 | SCL | bidirectional | Serial data I/O for I2C interface (as printed in the pin definition table). |
| 28 | GND | power_in | Ground. |
| 29 | VDD | power_in | Power supply, with VDD operating range 2.4V to 5.5V. |
| 30 | CBP | power_out | LDO output, must be connected to a at least 1µF bypass capacitor to GND. |
| 31 | INTN | output | Interrupt output, open drain output, low active. |
| 32 | HWEN | input | Hardware enable control, high active, internally pulled down to GND with a resistor of 1MΩ. |
| 33 | GND | power_in | Ground. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | AWINIC(Shanghai Awinic Tech) |
| Package | QFN-32L-EP(4x4) |
| Category | Nixie Tube Driver/LED Driver |
| Pins | 33 |

## CAD (KiCad official)

- Symbol: `AW20108QNR`
- Footprint: `Package_DFN_QFN:QFN-32-1EP_4x4mm_P0.4mm_EP2.9x2.9mm`
- 3D model: QFN-32L-EP(4x4) (KiCad packages3D, STEP)
- 3D model files: `aw20108qnr-etched.step` / `aw20108qnr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `aw20108qnr.step` / `aw20108qnr.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [AWINIC(Shanghai Awinic Tech) datasheet](docs/aw20108qnr-datasheet.pdf) (40 pp, sha256 `3d79485fa5222961`, retrieved 2026-10-27, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (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](docs/aw20108qnr-datasheet.pdf)