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.
Loads when you scroll to it. Unloads after 5 minutes in the background.
Download PDF
Contents

README

markdown

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 (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