component
TPS92633QPWPRQ1
Public Made by Adomby adom
Texas Instruments LED Drivers, TSSOP-20-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
PCB Footprint
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Datasheet
Open in new tab ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
README
markdownTPS92633QPWPRQ1
Texas Instruments · LED Drivers · TSSOP-20-EP
TPS92633QPWPRQ1 from Texas Instruments, in a TSSOP-20-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 | SUPPLY | power_in | Device power supply pin. |
| 2 | EN | input | Device enable pin. |
| 3 | IN1 | input | Current input for channel 1. |
| 4 | IN2 | input | Current input for channel 2. |
| 5 | IN3 | input | Current input for channel 3. |
| 6 | DIAGEN | input | Enable pin for LED open-circuit detection and single LED short detection, used to avoid false open and single LED short diagnostics during low-dropout operation. |
| 7 | PWM1 | input | PWM input for OUT1 and RES1 current output ON/OFF control. |
| 8 | PWM2 | input | PWM input for OUT2 and RES2 current output ON/OFF control. |
| 9 | PWM3 | input | PWM input for OUT3 and RES3 current output ON/OFF control. |
| 10 | FAULT | bidirectional | Fault output that supports a one-fails-all-fail fault bus. |
| 11 | ICTRL | output | Resistor-programmable voltage reference pin for an LED binning resistor or NTC resistor. |
| 12 | SLS_REF | output | Resistor-programmable voltage reference pin for the single LED short threshold. |
| 13 | IREF | output | Current reference pin; a 12.3-kΩ resistor is recommended between IREF and ground. |
| 14 | GND | power_in | Ground. |
| 15 | OUT3 | output | Current output for channel 3; a 10-nF capacitor is recommended between the pin and GND. |
| 16 | RES3 | output | Current output for channel 3 with external thermal resistor. |
| 17 | OUT2 | output | Current output for channel 2; a 10-nF capacitor is recommended between the pin and GND. |
| 18 | RES2 | output | Current output for channel 2 with external thermal resistor. |
| 19 | OUT1 | output | Current output for channel 1; a 10-nF capacitor is recommended between the pin and GND. |
| 20 | RES1 | output | Current output for channel 1 with external thermal resistor. |
| 21 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TSSOP-20-EP |
| Category | LED Drivers |
| Pins | 21 |
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 voltage (absolute maximum) | -0.3 | 45 | V | 4 | |||
| High-voltage input (DIAGEN, IN1, IN2, IN3, EN, PWM1, PWM2, PWM3) | -0.3 | V | max printed as V(SUPPLY)+0.3 V, not a fixed number | 4 | |||
| High-voltage output (OUT1, OUT2, OUT3, RES1, RES2, RES3, ICTRL) | -0.3 | V | max printed as V(SUPPLY)+0.3 V, not a fixed number | 4 | |||
| Fault bus (FAULT) | -0.3 | V | max printed as V(SUPPLY)+0.3 V, not a fixed number | 4 | |||
| Low-voltage pin (SLS_REF, IREF) | -0.3 | 5.5 | V | 4 | |||
| Operating junction temperature | TJ | -40 | 150 | °C | 4 | ||
| Storage temperature | Tstg | -40 | 150 | °C | 4 | ||
| Device supply voltage | 4.5 | 40 | V | 4 | |||
| EN device EN pin | 0 | V | max printed as V(SUPPLY) | 4 | |||
| PWM inputs (PWM1, PWM2, PWM3) | 0 | V | max printed as V(SUPPLY) | 4 | |||
| Diagnostics enable pin (DIAGEN) | 0 | V | max printed as V(SUPPLY) | 4 | |||
| Output current control (ICTRL) | 0 | 2.75 | V | 4 | |||
| Single-LED short-circuit reference (SLS_REF) | 0 | 3.5 | V | 4 | |||
| Current reference (IREF) | 50 | 250 | µA | 4 | |||
| Operating ambient temperature | TA | -40 | 125 | °C | 4 | ||
| Device standby ground current | I(Quiescent) | 1.5 | 2.5 | mA | PWM = HIGH | 5 | |
| 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 | I(SD) | 14 | 26 | µA | V(EN) = 0 V | 5 | |
| Device supply current in fault mode | I(Fault) | 0.21 | 0.33 | 0.45 | mA | PWM = HIGH, FAULT externally pulled LOW | 5 |
| Input logic-low voltage, EN | VIL(EN) | 0.7 | V | 5 | |||
| Input logic-high voltage, EN | VIH(EN) | 2 | V | 5 | |||
| EN pulldown current | I(EN_pulldown) | 1.5 | 3.3 | 4.5 | µA | V(EN) = 12 V | 5 |
| Input logic-low voltage, DIAGEN | VIL(DIAGEN) | 1.045 | 1.1 | 1.155 | V | 5 | |
| Input logic-high voltage, DIAGEN | VIH(DIAGEN) | 1.14 | 1.2 | 1.26 | V | 5 | |
| Input logic-low voltage, PWM | VIL(PWM) | 1.045 | 1.1 | 1.155 | V | 5 | |
| Input logic-high voltage, PWM | VIH(PWM) | 1.14 | 1.2 | 1.26 | V | 5 | |
| Device output-current for each channel | I(OUTx_Tot) | 5 | 150 | mA | 100% duty cycle | 5 | |
| Sense-resistor regulation voltage | V(CS_REG) | 46 | 50 | 54 | mV | TA = -40°C to +125°C, ICTRL ground | 5 |
| Sense-resistor regulation voltage | V(CS_REG) | 95 | 100 | 105 | mV | TA = -40°C to +125°C, V(ICTRL) = 0.68 V | 5 |
| Sense-resistor regulation voltage | V(CS_REG) | 192 | 200 | 208 | mV | TA = -40°C to +125°C, V(ICTRL) = 1.365 V | 5 |
| Sense-resistor regulation voltage | V(CS_REG) | 384 | 400 | 416 | mV | TA = -40°C to +125°C, V(ICTRL) = 2.75 V | 5 |
| Channel to channel mismatch | ΔV(CS_c2c) | -3 | 3 | % | ΔV(CS_c2c) = 1, V(CS_REGx)/Vavg(CS_REG), V(ICTRL) = 0.68 V | 5 | |
| Device to device mismatch | ΔV(CS_d2d) | -4 | 4 | % | ΔV(CS_d2d) = 1, Vavg(CS_REG)/Vnom(CS_REG), V(ICTRL) = 0.68 V | 5 | |
| Sense-resistor range | R(CS_REG) | 0.65 | 20 | Ω | 5 | ||
| Voltage dropout from INx to OUTx, RESx open | V(DROPOUT) | 200 | 400 | mV | current setting of 100 mA | 5 | |
| Voltage dropout from INx to OUTx, RESx open | V(DROPOUT) | 300 | 600 | mV | current setting of 150 mA | 5 | |
| Voltage dropout from INx to RESx, OUTx open | V(DROPOUT) | 280 | 600 | mV | current setting of 100 mA | 5 | |
| Voltage dropout from INx to RESx, OUTx open | V(DROPOUT) | 400 | 900 | mV | current setting of 150 mA | 5 | |
| Ratio of RESx current to total current | I(RESx) | 95 | % | I(RESx)/I(OUTx_Tot), V(INx), V(RESx) > 1 V | 6 | ||
| ICTRL current output ratio | N(ICTRL) | 9.7 | 10 | 10.3 | I(ICTRL)/I(IREF) | 6 | |
| LED open rising threshold | V(OPEN_th_rising) | 180 | 300 | 420 | mV | V(IN), V(OUT) | 6 |
| Channel output short-to-ground rising threshold | V(SG_th_rising) | 1.14 | 1.2 | 1.26 | V | 6 | |
| Channel output short-to-ground falling threshold | V(SG_th_falling) | 0.855 | 0.9 | 0.945 | V | 6 | |
| SLS_REF current output ratio | N(SLS_REF) | 0.97 | 1 | 1.03 | I(SLS_REF)/I(IREF) | 6 | |
| OUT voltage attenuation ratio | N(OUT) | 3.84 | 4 | 4.16 | V(OUT) = 3 to 14 V | 6 | |
| Channel output V(OUT) short-to-ground retry current | I(Retry) | 0.64 | 1.08 | 1.528 | mA | 6 | |
| Logic input low threshold (FAULT) | VIL(FAULT) | 0.7 | V | 6 | |||
| Logic input high threshold (FAULT) | VIH(FAULT) | 2 | V | 6 | |||
| FAULT internal pulldown current | I(FAULT_pulldown) | 2 | 3 | 4 | mA | V(FAULT) = 0.4 V | 6 |
| FAULT internal pullup current | I(FAULT_pullup) | 6 | 10 | 14 | µA | 6 | |
| FAULT leakage current | I(FAULT_leakage) | 1 | 2 | µA | V(FAULT) = 40 V | 6 | |
| Thermal shutdown junction temperature threshold | T(TSD) | 157 | 172 | 187 | °C | 6 | |
| Junction-to-ambient thermal resistance | RθJA | 40.1 | °C/W | 4 | |||
| Junction-to-case (top) thermal resistance | RθJC(top) | 34 | °C/W | 4 | |||
| Junction-to-board thermal resistance | RθJB | 18.3 | °C/W | 5 | |||
| Junction-to-case (bottom) thermal resistance | RθJC(bot) | 5.6 | °C/W | 5 |
CAD (KiCad official)
- Symbol:
TPS92633QPWPRQ1 - Footprint:
Package_SO:TSSOP-20-1EP_4.4x6.5mm_P0.65mm_EP2.15x3.35mm - 3D model: TSSOP-20-EP, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 1.2 mm nominal TSSOP height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)
- 3D model files:
tps92633qpwprq1-etched.step/tps92633qpwprq1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);tps92633qpwprq1.step/tps92633qpwprq1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (51 pp, sha256
1e4a6d2dda64c614, retrieved 2026-10-20, 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, 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).