component
TPS61181ARTER
Public Made by Adomby adom
Texas Instruments LED Drivers, WQFN-16-EP(3x3). 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
markdownTPS61181ARTER
Texas Instruments · LED Drivers · WQFN-16-EP(3x3)
TPS61181ARTER from Texas Instruments, in a WQFN-16-EP(3x3). 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 | PGND | power_in | Power ground of the IC internally connected to the PWM switch source. |
| 2 | SW | output | Switching node connected to internal PWM switch drain, external Schottky diode and inductor. |
| 3 | VBAT | power_in | Battery supply input (4.5 to 24 V) providing pull-up voltage for Fault pin and input to internal LDO. |
| 4 | VO | output | Boost regulator output voltage monitoring pin (up to 38 V) connected to anode of WLED strings. |
| 5 | ISET | input | Resistor pin programming WLED output current. |
| 6 | Cin | power_in | LDO output supply voltage (2.7 to 3.6 V) requiring 0.1 μF bypass capacitor. |
| 7 | IFB1 | input | Current sink input (max 30 mA per channel) connected to WLED cathode and regulated to 400 mV by PWM loop. |
| 8 | IFB2 | input | Current sink input (max 30 mA per channel) connected to WLED cathode and regulated to 400 mV by PWM loop. |
| 9 | IFB3 | input | Current sink input (max 30 mA per channel) connected to WLED cathode and regulated to 400 mV by PWM loop. |
| 10 | GND | power_in | Signal ground of the IC. |
| 11 | DCTRL | input | Dimming control logic input (0 to 20 V) operating at 100 Hz to 1 kHz frequency. |
| 12 | IFB4 | input | Current sink input (max 30 mA per channel) connected to WLED cathode and regulated to 400 mV by PWM loop. |
| 13 | IFB5 | input | Current sink input (max 30 mA per channel) connected to WLED cathode and regulated to 400 mV by PWM loop. |
| 14 | IFB6 | input | Current sink input (max 30 mA per channel) connected to WLED cathode and regulated to 400 mV by PWM loop. |
| 15 | EN | input | Enable input (0 to 20 V); logic high enables IC and internal LDO. |
| 16 | Fault | output | Gate driver output providing pull-down drive to external PFET and fault reporting. |
| 17 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | WQFN-16-EP(3x3) |
| Category | LED Drivers |
| Pins | 17 |
CAD (KiCad official)
- Symbol:
TPS61181ARTER - Footprint:
Package_DFN_QFN:QFN-16-1EP_3x3mm_P0.5mm_EP1.7x1.7mm - 3D model: WQFN-16-EP(3x3) (KiCad packages3D, STEP)
- 3D model files:
tps61181arter-etched.step/tps61181arter-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);tps61181arter.step/tps61181arter.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (30 pp, sha256
a22c966358df4bb3, retrieved 2026-09-27, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-4-6(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).