# AW20198QNR

**AWINIC(艾为)** · LED Drivers · QFN-40L(5x5)

AW20198QNR from AWINIC(艾为), in a QFN-40L(5x5). 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 | SW8 | output | Current switch SW8 of the LED matrix; output voltage limited to -0.3 V to PVCC (absolute maximum). |
| 2 | SW6 | output | Current switch SW6 of the LED matrix; output voltage limited to -0.3 V to PVCC (absolute maximum). |
| 3 | SW4 | output | Current switch SW4 of the LED matrix; output voltage limited to -0.3 V to PVCC (absolute maximum). |
| 4 | SW2 | output | Current switch SW2 of the LED matrix; output voltage limited to -0.3 V to PVCC (absolute maximum). |
| 5 | PVCC | power_in | Current source power supply, 2.7 V to 5.5 V; should use the same supply as VCC to avoid additional shutdown current. |
| 6 | SW1 | output | Current switch SW1 of the LED matrix; output voltage limited to -0.3 V to PVCC (absolute maximum). |
| 7 | SW3 | output | Current switch SW3 of the LED matrix; output voltage limited to -0.3 V to PVCC (absolute maximum). |
| 8 | SW5 | output | Current switch SW5 of the LED matrix; output voltage limited to -0.3 V to PVCC (absolute maximum). |
| 9 | SW7 | output | Current switch SW7 of the LED matrix; output voltage limited to -0.3 V to PVCC (absolute maximum). |
| 10 | SW9 | output | Current switch SW9 of the LED matrix; output voltage limited to -0.3 V to PVCC (absolute maximum). |
| 11 | SW11 | output | Current switch SW11 of the LED matrix; output voltage limited to -0.3 V to PVCC (absolute maximum). |
| 12 | CS18 | output | Current sink CS18 of the LED matrix; voltage limited to -0.3 V to VCC (absolute maximum), 40 mA maximum sink current. |
| 13 | CS17 | output | Current sink CS17 of the LED matrix; voltage limited to -0.3 V to VCC (absolute maximum), 40 mA maximum sink current. |
| 14 | CS16 | output | Current sink CS16 of the LED matrix; voltage limited to -0.3 V to VCC (absolute maximum), 40 mA maximum sink current. |
| 15 | CS15 | output | Current sink CS15 of the LED matrix; voltage limited to -0.3 V to VCC (absolute maximum), 40 mA maximum sink current. |
| 16 | PGND | power_in | Power ground for the LED driver. |
| 17 | CS14 | output | Current sink CS14 of the LED matrix; voltage limited to -0.3 V to VCC (absolute maximum), 40 mA maximum sink current. |
| 18 | CS13 | output | Current sink CS13 of the LED matrix; voltage limited to -0.3 V to VCC (absolute maximum), 40 mA maximum sink current. |
| 19 | CS12 | output | Current sink CS12 of the LED matrix; voltage limited to -0.3 V to VCC (absolute maximum), 40 mA maximum sink current. |
| 20 | CS11 | output | Current sink CS11 of the LED matrix; voltage limited to -0.3 V to VCC (absolute maximum), 40 mA maximum sink current. |
| 21 | CS10 | output | Current sink CS10 of the LED matrix; voltage limited to -0.3 V to VCC (absolute maximum), 40 mA maximum sink current. |
| 22 | VCC | power_in | Power supply, 2.7 V to 5.5 V; should use the same supply as PVCC to avoid additional shutdown current. |
| 23 | GND | power_in | Ground. |
| 24 | AD1 | input | I2C address select pin 1, used together with AD0 to set the device I2C address; logic input limited to -0.3 V to VCC. |
| 25 | AD0 | input | I2C address select pin 0, used together with AD1 to set the device I2C address; logic input limited to -0.3 V to VCC. |
| 26 | EN | input | Enable pin: the device enters standby when EN is low; internally pulled down to GND through a 1 MΩ resistor. |
| 27 | SCL | input | Serial clock input for the 1 MHz I2C interface. |
| 28 | SDA | bidirectional | Serial data I/O for the I2C interface. |
| 29 | ISET | passive | Sets the global LED current through external resistor REXT; with REXT = 10 kΩ the global current is 40 mA, and the pin voltage is limited to -0.3 V to 2 V. |
| 30 | SYNC | bidirectional | Synchronization pin used to align clocks across multiple devices; internally pulled down to GND through a 1 MΩ resistor. |
| 31 | CS9 | output | Current sink CS9 of the LED matrix; voltage limited to -0.3 V to VCC (absolute maximum), 40 mA maximum sink current. |
| 32 | CS8 | output | Current sink CS8 of the LED matrix; voltage limited to -0.3 V to VCC (absolute maximum), 40 mA maximum sink current. |
| 33 | CS7 | output | Current sink CS7 of the LED matrix; voltage limited to -0.3 V to VCC (absolute maximum), 40 mA maximum sink current. |
| 34 | CS6 | output | Current sink CS6 of the LED matrix; voltage limited to -0.3 V to VCC (absolute maximum), 40 mA maximum sink current. |
| 35 | CS5 | output | Current sink CS5 of the LED matrix; voltage limited to -0.3 V to VCC (absolute maximum), 40 mA maximum sink current. |
| 36 | CS4 | output | Current sink CS4 of the LED matrix; voltage limited to -0.3 V to VCC (absolute maximum), 40 mA maximum sink current. |
| 37 | CS3 | output | Current sink CS3 of the LED matrix; voltage limited to -0.3 V to VCC (absolute maximum), 40 mA maximum sink current. |
| 38 | CS2 | output | Current sink CS2 of the LED matrix; voltage limited to -0.3 V to VCC (absolute maximum), 40 mA maximum sink current. |
| 39 | CS1 | output | Current sink CS1 of the LED matrix; voltage limited to -0.3 V to VCC (absolute maximum), 40 mA maximum sink current. |
| 40 | SW10 | output | Current switch SW10 of the LED matrix; output voltage limited to -0.3 V to PVCC (absolute maximum). |
| 41 | GND | power_in | Thermal pad, to be connected to ground. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | AWINIC(艾为) |
| Package | QFN-40L(5x5) |
| Category | LED Drivers |
| Pins | 41 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| VCC input operating range | VCC | 2.7 |  | 5.5 | V |  | 7 |
| Standby current | ISTB_VCC |  |  | 1.3 | μA | VEN =0V or CHIPEN = 0 | 7 |
| Quiescent current in active mode | IACT_VCC |  |  | 1.8 | mA | VEN=VCC,CHIPEN=1, all LEDs off | 7 |
| Maximum sink current (CS1~CS18) | IMAX |  |  | 40 | mA | VLED=0.5V, GCC= 0xFF, SL= 0xFF | 7 |
| Current switch headroom voltage SWx | VHR |  |  | 750 | mV | ISWITCH=720mA, GCC=0xFF, SL=0xFF | 7 |
| Current sink headroom voltage CSx |  |  |  | 300 | mV | ISINK=40mA, GCC=0xFF, SL=0xFF | 7 |
| Internal sink current limit (OCPTH=0) | ILIM |  |  | 75 | mA | REXT=0,UVCR.OCPTH=0 | 7 |
| Internal sink current limit (OCPTH=1) | ILIM |  |  | 120 | mA | REXT=0,UVCR.OCPTH=1 | 7 |
| Device to device current error | IMATCH | -5 |  | 5 | % | All Channels' current set to 40mA | 7 |
| Channel to channel current error | △ILED | -5 |  | 5 | % | All Channels' current set to 40mA | 7 |
| OSC clock frequency | FOSC | 14.88 | 16 | 17.12 | MHz |  | 7 |
| Thermal shutdown threshold | TSD |  |  | 165 | °C |  | 7 |
| Input logic low (LGC=0) | VIL |  |  | 0.4 | V | VCC=2.7V~5.5V,LGC=0 | 7 |
| Input logic high (LGC=0) | VIH | 1.4 |  |  | V | VCC=2.7V~5.5V,LGC=0 | 7 |
| Input logic low (LGC=1) | VIL |  |  | 0.6 | V | VCC=2.7V~5.5V,LGC=1 | 7 |
| Input logic high (LGC=1) | VIH | 2.4 |  |  | V | VCC=2.7V~5.5V,LGC=1 | 7 |
| Supply voltage range VCC | VCC | -0.3 |  | 6 | V |  | 6 |
| Supply voltage range PVCC | PVCC | -0.3 |  | 6 | V |  | 6 |
| Input voltage range SCL, SDA, EN, AD0, AD1 |  | -0.3 |  |  | V |  | 6 |
| Output voltage range SW1~SW11 |  | -0.3 |  |  | V |  | 6 |
| Output voltage range CS1~CS18 |  | -0.3 |  |  | V |  | 6 |
| Voltage on ISET | ISET | -0.3 |  | 2 | V |  | 6 |
| Operating free-air temperature range |  | -40 |  | 85 | °C |  | 6 |
| Maximum operating junction temperature | TJMAX |  |  | 160 | °C |  | 6 |
| Storage temperature | TSTG | -65 |  | 150 | °C |  | 6 |
| Lead temperature (soldering 10 seconds) |  |  |  | 260 | °C | soldering 10 seconds | 6 |
| ESD HBM |  | -2000 |  | 2000 | V |  | 6 |
| ESD CDM |  | -1500 |  | 1500 | V |  | 6 |
| Latch-up current (±IT) |  | -200 |  | 200 | mA | Test condition: JESD78E | 6 |
| Hysteresis of thermal shutdown |  |  | 25 |  | °C |  | 7 |
| Scanning period | TSCAN |  | 198 |  | μs | PCCR.PWMFRQ[2:0] = 000, GCR.SWSEL[3:0] = 1011 | 7 |
| Non-overlap time between SW | TDG |  | 1 |  | μs |  | 7 |
| Delay time between falling edge of CS18 and SWx | THOLD |  | 125 |  | ns |  | 8 |
| Delay time between rising edge of SWx and CS1 | TSETUP |  | 250 |  | ns | PCCR.PWMFRQ[2:0] = 000 | 8 |
| Delay time of each CS group (6 groups of CS) | TDLY |  | 125 |  | ns | PCCR.PWMFRQ[2:0] = 000 | 8 |
| Junction-to-ambient thermal resistance | θJA |  | 33 |  | °C/W |  | 6 |

## CAD (KiCad official)

- Symbol: `AW20198QNR`
- Footprint: `Package_DFN_QFN:QFN-40-1EP_5x5mm_P0.4mm_EP3.6x3.6mm`
- 3D model: QFN-40L(5x5) (KiCad packages3D, STEP)
- 3D model files: `aw20198qnr-etched.step` / `aw20198qnr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `aw20198qnr.step` / `aw20198qnr.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [AWINIC(艾为) datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589785326018732032) (40 pp, sha256 `0f4dfd0f9fa599da`, retrieved 2026-10-17, 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/aw20198qnr-datasheet.pdf)