# TPS92602BQPWPRQ1

**Texas Instruments** · LED Drivers · TSSOP-28-EP

TPS92602BQPWPRQ1 from Texas Instruments, in a TSSOP-28-EP. 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 | ICTRL1 | input | LED current control input for channel 1, accepts 0V to 1.5V for 10% to 100% analog dimming adjustment |
| 2 | COMP1 | output | Compensation network output for channel 1, range -0.3V to 3.6V |
| 3 | OVFB1 | input | Voltage feedback input for channel 1, range 0V to 8V recommended operating |
| 4 | RT | input | Oscillator timing pin and external synchronization frequency control, range 0V to 3.3V |
| 5 | DIAG1 | output | Diagnostic output for channel 1, indicates open LED, short circuit detection, and LED current measurement, range 0V to 3.465V |
| 6 | GND | power_in | Ground reference |
| 7 | PWMIN1 | input | PWM dimming input and channel enable/disable for channel 1, 0V to 40V for enable/disable, 0V to 7V for PWM operation |
| 8 | VIN | power_in | Supply voltage input, operating range 4V to 40V, absolute maximum 45V |
| 9 | PWMIN2 | input | PWM dimming input and channel enable/disable for channel 2, 0V to 40V for enable/disable, 0V to 7V for PWM operation |
| 10 | OVFB2 | input | Voltage feedback input for channel 2, range 0V to 8V recommended operating |
| 11 | ICTRL2 | input | LED current control input for channel 2, accepts 0V to 1.5V for 10% to 100% analog dimming adjustment |
| 12 | COMP2 | output | Compensation network output for channel 2, range -0.3V to 3.6V |
| 13 | DIAG2 | output | Diagnostic output for channel 2, indicates open LED, short circuit detection, and LED current measurement, range 0V to 3.465V |
| 14 | PWMO2 | output | PWM PMOS-FET driver output for channel 2, range -0.3V to 80V absolute maximum |
| 15 | VOUT2 | input | Boost output voltage sense input for channel 2, operating range 4V to 75V, absolute maximum 80V |
| 16 | ISN2 | input | Current-sense negative input for channel 2, range -0.3V to 80V absolute maximum |
| 17 | ISP2 | input | Current-sense positive input for channel 2, operating range 4V to 75V, absolute maximum 80V |
| 18 | PGND2 | power_in | Power ground for channel 2 |
| 19 | ISNS2 | input | Overcurrent sense input for channel 2, range 0V to 8V recommended operating |
| 20 | GDRV2 | output | NMOS FET gate driver output for channel 2, range -0.3V to 8.8V absolute maximum |
| 21 | VCC | power_out | Gate driver supply voltage output, operating range 3V to 8V, absolute maximum 8.8V with 220mA current limit, requires external decoupling capacitor |
| 22 | GDRV1 | output | NMOS FET gate driver output for channel 1, range -0.3V to 8.8V absolute maximum |
| 23 | ISNS1 | input | Overcurrent sense input for channel 1, range 0V to 8V recommended operating |
| 24 | PGND1 | power_in | Power ground for channel 1 |
| 25 | ISP1 | input | Current-sense positive input for channel 1, operating range 4V to 75V, absolute maximum 80V |
| 26 | ISN1 | input | Current-sense negative input for channel 1, range -0.3V to 80V absolute maximum |
| 27 | VOUT1 | input | Boost output voltage sense input for channel 1, operating range 4V to 75V, absolute maximum 80V |
| 28 | PWMO1 | output | PWM PMOS-FET driver output for channel 1, range -0.3V to 80V absolute maximum |
| 29 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TSSOP-28-EP |
| Category | LED Drivers |
| Pins | 29 |

## CAD (KiCad official)

- Symbol: `TPS92602BQPWPRQ1`
- Footprint: `Package_SO:TSSOP-28-1EP_4.4x9.7mm_P0.65mm_EP2.85x6.7mm`
- 3D model: TSSOP-28-EP (KiCad packages3D, STEP)
- 3D model files: `tps92602bqpwprq1-etched.step` / `tps92602bqpwprq1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tps92602bqpwprq1.step` / `tps92602bqpwprq1.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/tps92601-q1) (49 pp, sha256 `1f962208c134e6a1`, retrieved 2026-10-03, 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 0.3`, 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/tps92602bqpwprq1-datasheet.pdf)