# TPS92629QDGNRQ1

**Texas Instruments** · LED Drivers · HVSSOP-8

TPS92629QDGNRQ1 from Texas Instruments, in a HVSSOP-8. 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 | EN/PWM | input | Device enable input and PWM input for OUT and RES current output ON and OFF control. |
| 2 | DIAGEN | input | Enable pin for LED open-circuit detection to avoid false open diagnostics during low-dropout operation. |
| 3 | ADIM | input | PWM input for analog dimming control. |
| 4 | FAULT | output | Fault output. |
| 5 | RES | output | Channel current output with external thermal resistor. |
| 6 | OUT | output | Current output. |
| 7 | IN | input | Channel current input. |
| 8 | SUPPLY | power_in | Device power supply, specified at 4.5 V to 40 V in the recommended operating conditions. |
| 9 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | HVSSOP-8 |
| Category | LED Drivers |
| Pins | 9 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Supply | SUPPLY | -0.3 |  | 45 | V |  | 4 |
| High-voltage input DIAGEN, IN, EN/PWM, ADIM (max V(SUPPLY)+0.3 V) |  | -0.3 |  |  | V |  | 4 |
| High-voltage output OUT, RES (max V(SUPPLY)+0.3 V) |  | -0.3 |  |  | V |  | 4 |
| Low-voltage output FAULT |  | -0.3 |  | 5.5 | V |  | 4 |
| IN to OUT | V(IN), V(OUT) | -0.3 |  | 45 | V |  | 4 |
| SUPPLY to IN | V(SUPPLY), V(IN) | -0.3 |  | 5 | V |  | 4 |
| Operating junction temperature | TJ | -40 |  | 150 | °C |  | 4 |
| Storage temperature | Tstg | -65 |  | 150 | °C |  | 4 |
| Device supply voltage | SUPPLY | 4.5 |  | 40 | V |  | 4 |
| PWM and ADIM inputs (max V(SUPPLY)) | EN/PWM, ADIM | 0 |  |  | V |  | 4 |
| Diagnostics enable pin (max V(SUPPLY)) | DIAGEN | 0 |  |  | V |  | 4 |
| Driver output (max V(SUPPLY)) | OUT, RES | 0 |  |  | V |  | 4 |
| Multi-fault output | FAULT | 0 |  | 5 | V |  | 4 |
| Operating ambient temperature | TA | -40 |  | 125 | °C |  | 4 |
| Supply voltage POR rising threshold | V(POR_rising) | 3.6 |  | 4 | V |  | 5 |
| Supply voltage POR falling threshold | V(POR_falling) | 3 |  | 3.4 | V |  | 5 |
| Device shutdown current, keep EN/PWM = 0 for more than 20 ms to shutdown the device | I(shutdown) |  | 7 | 10 | uA | Vsupply = 12V | 5 |
| Device standby ground current | I(Quiescent) | 0.5 | 1.1 | 1.3 | mA | PWM = HIGH | 5 |
| Device supply current in fault mode | I(FAULT) | 600 | 720 | 850 | uA | PWM = HIGH, fault mode | 5 |
| PWM input logic-low voltage, EN/PWM | VIL(PWM) | 2.037 | 2.1 | 2.183 | V |  | 5 |
| PWM input logic-high voltage, EN/PWM | VIH(PWM) | 2.134 | 2.2 | 2.296 | V |  | 5 |
| Pull down current, EN/PWM | I(EN/PWM) | 0.5 | 1.4 | 2.2 | uA |  | 5 |
| Input logic-low voltage, ADIM | VIL(ADIM) | 1.065 | 1.12 | 1.17 | V |  | 5 |
| Input logic-high voltage, ADIM | VIH(ADIM) | 1.2 | 1.26 | 1.32 | V |  | 5 |
| Pull down current, ADIM | I(ADIM) | 1.6 | 2.2 | 2.9 | uA |  | 5 |
| Input logic-low voltage, DIAGEN | VIL(DIAGEN) | 1.045 | 1.1 | 1.155 | V |  | 5 |
| Input logic-high voltage, DIAGEN | VIH(DIAGEN) | 1.17 | 1.25 | 1.33 | V |  | 5 |
| Device output-current | I(OUTx_Tot) | 5 |  | 250 | mA | 100% duty cycle | 5 |
| Sense-resistor regulation voltage | V(CS_REG) | 436 | 463.5 | 491 | mV | TA = -40°C to +125°C, 100% duty cycle, 20kHz frequency input for ADIM, V(SUPPLY) = 4.5 V | 5 |
| Sense-resistor regulation voltage | V(CS_REG) | 441.75 | 465 | 488.25 | mV | TA = -40°C to +125°C, 100% duty cycle, 20kHz frequency input for ADIM, V(SUPPLY) = 5 V to 40 V | 5 |
| Sense-resistor regulation voltage | V(CS_REG) | 88.35 | 93 | 97.65 | mV | TA = -40°C to +125°C, 20% duty cycle, 20kHz frequency input for ADIM | 5 |
| Sense-resistor regulation voltage | V(CS_REG) | 41.85 | 46.5 | 51.15 | mV | TA = -40°C to +125°C, 10% duty cycle, 20kHz frequency input for ADIM | 5 |
| Sense-resistor range | R(CS_REG) | 1.74 |  | 98.2 | Ω |  | 5 |
| Voltage dropout from INx to OUTx, current setting of 150 mA | V(DROPOUT) |  | 200 | 350 | mV | RESx open | 5 |
| Voltage dropout from INx to OUTx, current setting of 250 mA | V(DROPOUT) |  | 300 | 500 | mV | RESx open | 5 |
| Voltage dropout from INx to RESx, current setting of 150 mA | V(DROPOUT) |  | 350 | 600 | mV | OUTx open | 5 |
| Voltage dropout from INx to RESx, current setting of 250 mA | V(DROPOUT) |  | 600 | 1000 | mV | OUTx open | 5 |
| LED open rising threshold | V(OPEN_th_rising) | 180 | 300 | 420 | mV | V(IN), V(OUT) | 5 |
| Channel output short-to-ground rising threshold | V(SG_th_rising) | 1.425 | 1.5 | 1.575 | V |  | 5 |
| Channel output short-to-ground falling threshold | V(SG_th_falling) | 1.2 | 1.24 | 1.32 | V |  | 5 |
| Channel output V(OUT) short-to-ground retry current | I(Retry_OUT) | 3.622 | 4.96 | 6.232 | mA |  | 5 |
| Channel output V(RES) short-to-ground retry current | I(Retry_RES) | 0.82 | 1.08 | 1.4 | mA |  | 5 |
| Output voltage level under STG fault | V(FAULT_STG) | 0.56 | 0.6 | 0.619 | V |  | 5 |
| Output voltage level under STB fault | V(FAULT_STB) | 1.072 | 1.105 | 1.134 | V |  | 5 |
| Output voltage level under OPEN fault | V(FAULT_OPEN) | 1.776 | 1.827 | 1.869 | V |  | 5 |
| Output voltage level under TSD fault | V(FAULT_TSD) | 2.725 | 2.798 | 2.862 | V |  | 6 |
| Output voltage level under normal mode | V(Normal) | 3.8 | 4.2 | 4.6 | V | V(SUPPLY) = 4.5 V | 6 |
| Output voltage level under normal mode | V(Normal) | 4.55 | 4.8 | 5.1 | V | V(SUPPLY) = 5 V to 40 V | 6 |
| FAULT internal pull down current in stage 1, as shown in Figure 7-5 | I(FAULT_pulldown) | 1 | 1.2 | 1.5 | mA | open, stb, stg or tsd fault, V(FAULT) = 0.4 V | 6 |
| Discharge time for open and short to battery detection, as shown in Figure 7-5 | t(discharge) | 500 | 730 | 1000 | us | open or stb fault | 6 |
| Accuracy under PWM dimming mode over full temperature range |  | -5 |  | 5 | % | PWM dimming mode over full temperature range | 1 |
| Accuracy under analog dimming mode for 20%~100% maximum current over full temperature range |  | -5 |  | 5 | % | analog dimming mode for 20%~100% maximum current over full temperature range | 1 |
| Accuracy under analog dimming mode for 10%~20% maximum current over full temperature range |  | -10 |  | 10 | % | analog dimming mode for 10%~20% maximum current over full temperature range | 1 |
| Device enable time, t5 as shown in Figure 7-1 | t(Device_enable) |  | 86 |  | µs |  | 6 |
| SUPPLY rising edge to 10% output current, t6 as shown in Figure 7-1 | t(STARTUP) |  | 135 |  | µs | V(SUPPLY) = 12 V, V(OUT) = 3 V, V(CS_REG) = 450 mV, R(SNSx) = 3.0 Ω and R(RESx) = 91 Ω | 6 |
| ADIM rising edge delay to 10% of output current, t9 as shown in Figure 7-1 | t(ADIM_delay_rising) |  | 55 |  | µs | V(SUPPLY) = 12 V, V(OUT) = 3 V, V(CS_REG) = 450 mV, R(SNSx) = 3.0 Ω and R(RESx) = 91 Ω | 6 |
| ADIM falling edge delay to 90% of output current, t10 as shown in Figure 7-1 | t(ADIM_delay_falling) |  | 60 |  | µs | V(SUPPLY) = 12 V, V(OUT) = 3 V, V(CS_REG) = 450 mV, R(SNSx) = 3.0 Ω and R(RESx) = 91 Ω | 6 |
| LED-open fault detection deglitch time, t6 as shown in Figure 7-3 | t(OPEN_deg) |  | 125 |  | µs |  | 6 |
| Output short-to-ground detection deglitch time, t7 as shown in Figure 7-2 | t(SG_deg) |  | 125 |  | µs |  | 6 |
| Junction-to-ambient thermal resistance | RθJA |  | 50.7 |  | °C/W |  | 4 |
| Junction-to-case (top) thermal resistance | RθJC(top) |  | 70.4 |  | °C/W |  | 4 |
| Junction-to-board thermal resistance | RθJB |  | 23.8 |  | °C/W |  | 4 |

## CAD (KiCad official)

- Symbol: `TPS92629QDGNRQ1`
- Footprint: `Package_SO:HVSSOP-8-1EP_3x3mm_P0.65mm_EP1.57x1.89mm`
- 3D model: HVSSOP-8 (KiCad packages3D, STEP)
- 3D model files: `tps92629qdgnrq1-etched.step` / `tps92629qdgnrq1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tps92629qdgnrq1.step` / `tps92629qdgnrq1.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/lit/ds/symlink/tps92629-q1.pdf) (36 pp, sha256 `ca781360467f0711`, retrieved 2026-11-06, tier: manufacturer)
- **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](docs/tps92629qdgnrq1-datasheet.pdf)