component
AW20144QNR
Public Made by Adomby adom
AWINIC(艾为) LED Drivers, QFN-40L(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownAW20144QNR
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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);aw20144qnr.step/aw20144qnr.glbare 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, primaryclaude-haiku-5-5(text), consensusclaude-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).