# AW20072QNR

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

AW20072QNR 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 | passive | Constant current sink R1, connect to LED cathode (max 10mA to 160mA per sink set by IMAX). |
| 2 | R2 | passive | Constant current sink R2, connect to LED cathode. |
| 3 | R3 | passive | Constant current sink R3, connect to LED cathode. |
| 4 | R4 | passive | Constant current sink R4, connect to LED cathode. |
| 5 | R5 | passive | Constant current sink R5, connect to LED cathode. |
| 6 | R6 | passive | Constant current sink R6, connect to LED cathode. |
| 7 | R7 | passive | Constant current sink R7, connect to LED cathode. |
| 8 | R8 | passive | Constant current sink R8, connect to LED cathode. |
| 9 | R9 | passive | Constant current sink R9, connect to LED cathode. |
| 10 | R10 | passive | Constant current sink R10, connect to LED cathode. |
| 11 | R11 | passive | Constant current sink R11, connect to LED cathode. |
| 12 | R12 | passive | Constant current sink R12, connect to LED cathode. |
| 13 | VBAT | power_in | Power supply, 2.4V to 5.5V; pins 13 and 23 are both VBAT. |
| 14 | NC | unconnected | No connect, must be floating. |
| 15 | NC | unconnected | No connect, must be floating. |
| 16 | NC | unconnected | No connect, must be floating. |
| 17 | C6 | passive | Current switch C6, connect to LED anode in matrix display mode. |
| 18 | C5 | passive | Current switch C5, connect to LED anode in matrix display mode. |
| 19 | C4 | passive | Current switch C4, connect to LED anode in matrix display mode. |
| 20 | C3 | passive | Current switch C3, connect to LED anode in matrix display mode. |
| 21 | C2 | passive | Current switch C2, connect to LED anode in matrix display mode. |
| 22 | C1 | passive | Current switch C1, connect to LED anode in matrix display mode. |
| 23 | VBAT | power_in | Power supply, 2.4V to 5.5V; pins 13 and 23 are both VBAT. |
| 24 | CLKIO | bidirectional | Synchronize pin for clock synchronization in multiple-device applications, internally pulled down to GND with 1MΩ. |
| 25 | AD | input | I2C address select, connect to GND, VDD, SCL or SDA for different addresses, internally pulled down to GND with 1MΩ. |
| 26 | SDA | bidirectional | I2C serial data I/O (400kHz interface); the pin table text labels it as clock, apparently swapped. |
| 27 | SCL | input | I2C serial clock input (400kHz interface); the pin table text labels it as data, apparently swapped. |
| 28 | GND | power_in | Ground. |
| 29 | VDD | power_in | Power supply, 2.4V to 5.5V. |
| 30 | CBP | power_out | LDO output, must be connected to a bypass capacitor of at least 1µF to GND. |
| 31 | INTN | output | Interrupt output, open drain, active low. |
| 32 | HWEN | input | Hardware enable control, active high, internally pulled down to GND with 1MΩ. |
| 33 | GND | power_in | Ground (exposed pad). |

## Key specifications

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

## Electrical characteristics

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

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| VDD power supply voltage | VDD | 2.4 |  | 5.5 | V |  | 6 |
| VBAT power supply voltage | VBAT | 2.4 |  | 5.5 | V |  | 6 |
| Shutdown current of VBAT | ISD_VBAT |  | 0.1 | 1 | μA | HWEN=GND | 6 |
| Shutdown current of VDD | ISD_VDD |  | 0.1 | 1 | μA | HWEN=GND | 6 |
| Standby current of VBAT | ISB_VBAT | 9 | 18 | 27 | μA | HWEN=VDD | 6 |
| Standby current of VDD | ISB_VDD | 25 | 50 | 75 | μA | HWEN=VDD | 6 |
| Quiescent current in active mode (VBAT) | IACT_VBAT | 15 | 25 | 35 | μA | VBAT=4.2V, HWEN=VDD, SLPCR.SLEEP=0, display off | 6 |
| Quiescent current in active mode (VDD) | IACT_VDD | 150 | 225 | 300 | μA | VDD=2.8V, HWEN=VDD, SLPCR.SLEEP=0, display off | 6 |
| Max current of each current sink (R1~R12) | IMAX-10mA | 9 | 10 | 11 | mA | IMAX[3:0]=0000 | 6 |
| Max current of each current sink (R1~R12) | IMAX-40mA | 37.2 | 40 | 42.8 | mA | IMAX[3:0]=0011 | 6 |
| Max current of each current sink (R1~R12) | IMAX-160mA | 148.8 | 160 | 171.2 | mA | IMAX[3:0]=0111 | 6 |
| Match accuracy | IMATCH | -10 |  | 10 | % | ILED=10mA | 6 |
| Match accuracy | IMATCH | -6 |  | 6 | % | ILED=40mA | 6 |
| Match accuracy | IMATCH | -5 |  | 5 | % | ILED=160mA | 6 |
| Average current on each LED | ILED | 5.9 | 6.6 | 7.2 | mA | IMAX[3:0]=0011, FADEn=0xFF, DIMn=0xFF, SIZE.SWSEL=5 | 6 |
| Dropout voltage for Rx | VDROPOUT | 50 | 100 | 200 | mV | ILED=40mA | 6 |
| Dropout voltage for Rx | VDROPOUT | 90 | 180 | 360 | mV | ILED=160mA | 6 |
| PMOS on-resistance for Cx | RON |  | 0.6 | 1 | Ω |  | 6 |
| OSC clock frequency | FOSC | 3.8 | 4 | 4.2 | MHz |  | 6 |
| Output low level | VOL |  |  | 0.2 | V | CLKIO, IOL = 7.5mA | 7 |
| Input high level | VIH | 1.3 |  |  | V | CLKIO, AD, HWEN | 7 |
| Input low level | VIL |  |  | 0.4 | V | CLKIO, AD, HWEN | 7 |
| Output low level INTN | VOL |  |  | 0.1 | V | INTN, IOL = 10 mA | 7 |
| Output low level SDA | VOL |  |  | 0.1 | V | SDA, IOL = 10 mA | 7 |
| Input high level SCL, SDA | VIH | 1.3 |  |  | V | SCL,SDA | 7 |
| Input low level SCL, SDA | VIL |  |  | 0.4 | V | SCL,SDA | 7 |
| Supply Voltage Range VDD | VDD | -0.3 |  | 5.5 | V |  | 5 |
| Supply Voltage Range VBAT | VBAT | -0.3 |  | 5.5 | V |  | 5 |
| Voltage on CBP | CBP | -0.3 |  | 2 | V |  | 5 |
| Voltage on SCL, SDA, AD, HWEN, INTN, CLKIO (lower limit; upper limit is VDD) |  | -0.3 |  |  | V | upper limit printed as VDD | 5 |
| Maximum Power Consumption | PDmax |  |  | 3.84 | W | package, TA=25°C | 5 |
| Maximum Junction Temperature | TJMAX |  |  | 160 | °C |  | 5 |
| Storage Temperature | TSTG | -65 |  | 150 | °C |  | 5 |
| Lead Temperature |  |  |  | 260 | °C | Soldering 10 seconds | 5 |
| ESD HBM |  | -2000 |  | 2000 | V | human body model | 5 |
| ESD CDM |  | -1500 |  | 1500 | V |  | 5 |
| Operating temperature |  | -40 |  | 85 | °C | Ordering information | 5 |
| Junction-to-ambient thermal resistance | θJA |  | 30 |  | °C/W |  | 5 |
| Pull down resistance | RPD |  | 1 |  | MΩ | CLKIO, AD, HWEN | 7 |
| Deglitch time SDA | tDEG_SDA |  | 200 |  | ns | SDA | 7 |
| Deglitch time SCL | tDEG_SCL |  | 150 |  | ns | SCL | 7 |

## CAD (KiCad official)

- Symbol: `AW20072QNR`
- 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: `aw20072qnr-etched.step` / `aw20072qnr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `aw20072qnr.step` / `aw20072qnr.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [AWINIC(Shanghai Awinic Tech) datasheet](docs/aw20072qnr-datasheet.pdf) (40 pp, sha256 `583c7777807bd97c`, retrieved 2026-10-23, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-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/aw20072qnr-datasheet.pdf)