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AW20144QNR

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AWINIC(艾为) LED Drivers, QFN-40L(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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AW20144QNR

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

AW20144QNR 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 with output range -0.3 V to PVCC and headroom of 750 mV at 720 mA (GCC=0xFF, SL=0xFF).
2 SW6 output Current switch SW6 with output range -0.3 V to PVCC and headroom of 750 mV at 720 mA (GCC=0xFF, SL=0xFF).
3 SW4 output Current switch SW4 with output range -0.3 V to PVCC and headroom of 750 mV at 720 mA (GCC=0xFF, SL=0xFF).
4 SW2 output Current switch SW2 with output range -0.3 V to PVCC and headroom of 750 mV at 720 mA (GCC=0xFF, SL=0xFF).
5 PVCC power_in Current source power supply, 2.7 V to 5.5 V; PVCC and VCC should use the same supply to avoid additional ISD.
6 SW1 output Current switch SW1 with output range -0.3 V to PVCC and headroom of 750 mV at 720 mA (GCC=0xFF, SL=0xFF).
7 SW3 output Current switch SW3 with output range -0.3 V to PVCC and headroom of 750 mV at 720 mA (GCC=0xFF, SL=0xFF).
8 SW5 output Current switch SW5 with output range -0.3 V to PVCC and headroom of 750 mV at 720 mA (GCC=0xFF, SL=0xFF).
9 SW7 output Current switch SW7 with output range -0.3 V to PVCC and headroom of 750 mV at 720 mA (GCC=0xFF, SL=0xFF).
10 NC unconnected No connection.
11 NC unconnected No connection.
12 CS18 output Current sink CS18 rated up to 40 mA with 300 mV headroom at 40 mA, and voltage range -0.3 V to VCC.
13 CS17 output Current sink CS17 rated up to 40 mA with 300 mV headroom at 40 mA, and voltage range -0.3 V to VCC.
14 CS16 output Current sink CS16 rated up to 40 mA with 300 mV headroom at 40 mA, and voltage range -0.3 V to VCC.
15 CS15 output Current sink CS15 rated up to 40 mA with 300 mV headroom at 40 mA, and voltage range -0.3 V to VCC.
16 PGND power_in Power ground.
17 CS14 output Current sink CS14 rated up to 40 mA with 300 mV headroom at 40 mA, and voltage range -0.3 V to VCC.
18 CS13 output Current sink CS13 rated up to 40 mA with 300 mV headroom at 40 mA, and voltage range -0.3 V to VCC.
19 CS12 output Current sink CS12 rated up to 40 mA with 300 mV headroom at 40 mA, and voltage range -0.3 V to VCC.
20 CS11 output Current sink CS11 rated up to 40 mA with 300 mV headroom at 40 mA, and voltage range -0.3 V to VCC.
21 CS10 output Current sink CS10 rated up to 40 mA with 300 mV headroom at 40 mA, and voltage range -0.3 V to VCC.
22 VCC power_in Power supply, 2.7 V to 5.5 V; should use the same supply as PVCC.
23 GND power_in Ground.
24 AD1 input I2C address select pin 1, one of two pins used to select among the 16 selectable I2C addresses.
25 AD0 input I2C address select pin 0, one of two pins used to select among the 16 selectable I2C addresses.
26 EN input Standby the device when EN is low; internally pulled down to GND with 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 global LED current through external resistor REXT; with REXT = 10 kΩ, global LED current is 40 mA.
30 SYNC bidirectional Synchronization pin for clock synchronization across multiple devices; internally pulled down to GND with a 1 MΩ resistor.
31 CS9 output Current sink CS9 rated up to 40 mA with 300 mV headroom at 40 mA, and voltage range -0.3 V to VCC.
32 CS8 output Current sink CS8 rated up to 40 mA with 300 mV headroom at 40 mA, and voltage range -0.3 V to VCC.
33 CS7 output Current sink CS7 rated up to 40 mA with 300 mV headroom at 40 mA, and voltage range -0.3 V to VCC.
34 CS6 output Current sink CS6 rated up to 40 mA with 300 mV headroom at 40 mA, and voltage range -0.3 V to VCC.
35 CS5 output Current sink CS5 rated up to 40 mA with 300 mV headroom at 40 mA, and voltage range -0.3 V to VCC.
36 CS4 output Current sink CS4 rated up to 40 mA with 300 mV headroom at 40 mA, and voltage range -0.3 V to VCC.
37 CS3 output Current sink CS3 rated up to 40 mA with 300 mV headroom at 40 mA, and voltage range -0.3 V to VCC.
38 CS2 output Current sink CS2 rated up to 40 mA with 300 mV headroom at 40 mA, and voltage range -0.3 V to VCC.
39 CS1 output Current sink CS1 rated up to 40 mA with 300 mV headroom at 40 mA, and voltage range -0.3 V to VCC.
40 NC unconnected No connection.
41 GND power_in Thermal pad, to be connected to GND.

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
Input operating range (VCC) VCC 2.7 5.5 V 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 VHR 300 mV ISINK=40mA, GCC=0xFF, SL=0xFF 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
Internal sink current limit (REXT=0, UVCR.OCPTH=0) ILIM 75 mA REXT=0,UVCR.OCPTH=0 7
Internal sink current limit (REXT=0, UVCR.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 ΔILED -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
Thermal shutdown hysteresis TSD 25 °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
Period of scanning TSCAN 144 μs PCCR.PWMFRQ[2:0] = 000, GCR.SWSEL[3:0] = 0111 7
Non-overlap time between SW TDG 1 μs 7
Delay time between the falling edge of CS18 and SWx THOLD 125 ns 8
Delay time between the 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
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 Upper limit printed as VCC 6
Output voltage range SW1~SW8 -0.3 V Upper limit printed as PVCC 6
Output voltage range CS1~CS18 -0.3 V Upper limit printed as VCC 6
Voltage on ISET ISET -0.3 2 V 6
Junction-to-ambient thermal resistance θJA 33 °C/W 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) 260 °C Soldering 10 seconds 6
ESD HBM -2000 2000 V ESDA/JEDEC JS-001-2017, 100pF through 1.5kΩ 6
ESD CDM -1500 1500 V ESDA/JEDEC JS-002-2018 6
Latch-up -200 200 mA Test condition JESD78E, ±IT 6

CAD (KiCad official)

  • Symbol: AW20144QNR
  • Footprint: Package_DFN_QFN:QFN-40-1EP_5x5mm_P0.4mm_EP3.6x3.6mm
  • 3D model: QFN-40L(5x5) (KiCad packages3D, STEP)
  • 3D model files: aw20144qnr-etched.step / aw20144qnr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); aw20144qnr.step / aw20144qnr.glb are the bare package body.

Provenance

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

  • Datasheet: AWINIC(艾为) datasheet (40 pp, sha256 087772c483f78a7a, retrieved 2026-10-21, 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