# TPS61180RTER

**Texas Instruments** · LED Drivers · QFN-16-EP(3x3)

TPS61180RTER from Texas Instruments, in a QFN-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 source of the PWM switch. |
| 2 | SW | passive | Switching node connected to the drain of the internal PWM switch, external Schottky diode, and inductor. |
| 3 | VBAT | power_in | Battery supply input in range 5V to 24V, provides pull-up voltage for Fault pin and battery voltage signal. |
| 4 | VO | power_out | Regulated boost output (minimum 16V, maximum 40V overvoltage threshold) connected to the anode of WLED strings. |
| 5 | ISET | input | Current setting input, resistor-programmed WLED output current with typical pin voltage 1.229V. |
| 6 | Cin | power_in | IC supply voltage input in range 2.7V to 3.6V for TPS61180, requires 0.1μF bypass capacitor. |
| 7 | IFB1 | input | Current feedback input connected to WLED cathode, regulates to 400mV with maximum 25mA per channel. |
| 8 | IFB2 | input | Current feedback input connected to WLED cathode, regulates to 400mV with maximum 25mA per channel. |
| 9 | IFB3 | input | Current feedback input connected to WLED cathode, regulates to 400mV with maximum 25mA per channel. |
| 10 | GND | power_in | Signal ground of the IC. |
| 11 | DCTRL | input | Dimming control logic input for PWM brightness dimming with frequency range 100Hz to 1kHz. |
| 12 | IFB4 | input | Current feedback input connected to WLED cathode, regulates to 400mV with maximum 25mA per channel. |
| 13 | IFB5 | input | Current feedback input connected to WLED cathode, regulates to 400mV with maximum 25mA per channel. |
| 14 | IFB6 | input | Current feedback input connected to WLED cathode, regulates to 400mV with maximum 25mA per channel. |
| 15 | EN | input | Enable input logic signal, logic high enables IC with internal pull-down resistance 400kΩ to 1600kΩ. |
| 16 | Fault | output | Gate driver output for external PFET fault protection or system fault signal output, can sink 0.1mA. |
| 17 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | QFN-16-EP(3x3) |
| Category | LED Drivers |
| Pins | 17 |

## CAD (KiCad official)

- Symbol: `TPS61180RTER`
- Footprint: `Package_DFN_QFN:QFN-16-1EP_3x3mm_P0.5mm_EP1.7x1.7mm`
- 3D model: QFN-16-EP(3x3) (KiCad packages3D, STEP)
- 3D model files: `tps61180rter-etched.step` / `tps61180rter-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tps61180rter.step` / `tps61180rter.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/tps61182) (29 pp, sha256 `e9480e02f5fae586`, retrieved 2026-10-07, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-4-5-20251001` (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/tps61180rter-datasheet.pdf)