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TPS92692QPWPRQ1
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Texas Instruments LED Drivers, HTSSOP-20-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+57@@ -0,0 +1,57 @@+# TPS92692QPWPRQ1++**Texas Instruments** · LED Drivers · HTSSOP-20-EP++TPS92692QPWPRQ1 from Texas Instruments, in a HTSSOP-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 | VIN | power_in | Input supply for internal regulators (4.5 V to 65 V operating range); bypass with 10-Ω series resistor and 10-nF capacitor to GND. |+| 2 | VREF | power_in | VREF (5 V) bias supply pin; locally decouple to GND using 2.2-μF to 4.7-μF ceramic capacitor located close to controller. |+| 3 | FLT | output | Open-drain fault indicator (active low) for overvoltage, undervoltage, overcurrent (14 × V(CSP-CSN) > 1.5 × VIADJ), or switch current limit (VIS > 250 mV) conditions. |+| 4 | SS | input | Soft-start programming pin; connect capacitor to GND to extend startup time or short to GND to disable switching. |+| 5 | DM | input | Spread spectrum modulation frequency (fm) programming pin; connect capacitor to GND to set modulating frequency or directly to GND to disable spread spectrum. |+| 6 | RT | input | Oscillator frequency programming pin (80 kHz to 800 kHz); connect resistor to GND to set switching frequency or couple external clock via 100-nF capacitor for synchronization. |+| 7 | COMP | output | Transconductance error amplifier output; connect compensation network (resistor and capacitor) to achieve desired closed-loop response. |+| 8 | IMON | output | LED current report pin with output relationship VIMON = 14 × ILED × RCS; bypass with 1-nF ceramic capacitor to GND. |+| 9 | IADJ | input | LED current reference input with analog dimming range 140 mV to 2.25 V or connect to VCC via 100-kΩ resistor to set internal reference to 2.42 V and current sense threshold to 170.7 mV. |+| 10 | DIM/PWM | input | External analog (1 V to 3 V) or direct PWM dimming input setting LED current duty cycle 0% to 100%; connect to VREF when unused. |+| 11 | RAMP | input | PWM generator frequency programming input (100 Hz to 2000 Hz); connect capacitor to GND to set ramp frequency or 249-kΩ resistor to GND to disable PWM generator. |+| 12 | PDRV | output | Series dimming P-channel FET gate driver output (maximum ±50 mA pulsed <10 μs); connect to external P-channel MOSFET gate for PWM dimming and fault disconnect. |+| 13 | CSN | input | Current sense amplifier negative input (−); connect directly to negative node of LED current sense resistor RCS. |+| 14 | CSP | input | Current sense amplifier positive input (+) with maximum ±0.3 V differential to CSN; connect directly to positive node of LED current sense resistor RCS. |+| 15 | OV | input | Output voltage monitoring input; connect resistor divider from output voltage to GND to set overvoltage (>1.228 V) and undervoltage (<100 mV) protection thresholds. |+| 16 | SLOPE | input | Slope compensation ramp input; connect resistor to GND to set desired slope compensation based on inductor value and input/output voltages. |+| 17 | GND | power_in | Analog and power ground connection pin; connect to circuit ground and thermal pad via multiple vias for proper heat dissipation and return path. |+| 18 | IS | input | Switch current sense input; connect to switch sense resistor RIS to set current limit threshold based on internal 250 mV reference. |+| 19 | GATE | output | N-channel MOSFET gate driver output (maximum ±500 mA pulsed <20 ns); connect to gate of external main switching N-channel MOSFET. |+| 20 | VCC | power_in | VCC (7.5 V) bias supply pin; locally decouple to GND using 2.2-μF to 4.7-μF ceramic capacitor located close to controller. |+| 21 | PAD | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | HTSSOP-20-EP |+| Category | LED Drivers |+| Pins | 21 |++## CAD (KiCad official)++- Symbol: `TPS92692QPWPRQ1`+- Footprint: `Package_SO:TSSOP-20-1EP_4.4x6.5mm_P0.65mm_EP2.15x3.35mm`+- 3D model: HTSSOP-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: `tps92692qpwprq1-etched.step` / `tps92692qpwprq1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tps92692qpwprq1.step` / `tps92692qpwprq1.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/tps92692) (58 pp, sha256 `b30af0922984f2b6`, retrieved 2026-10-06, 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/tps92692qpwprq1-datasheet.pdf)
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bypass with 10-Ω series resistor and 10-nF capacitor to GND."+ },+ {+ "number": "2",+ "name": "VREF",+ "type": "power_in",+ "description": "VREF (5 V) bias supply pin; locally decouple to GND using 2.2-μF to 4.7-μF ceramic capacitor located close to controller."+ },+ {+ "number": "3",+ "name": "FLT",+ "type": "output",+ "description": "Open-drain fault indicator (active low) for overvoltage, undervoltage, overcurrent (14 × V(CSP-CSN) > 1.5 × VIADJ), or switch current limit (VIS > 250 mV) conditions."+ },+ {+ "number": "4",+ "name": "SS",+ "type": "input",+ "description": "Soft-start programming pin; connect capacitor to GND to extend startup time or short to GND to disable switching."+ },+ {+ "number": "5",+ "name": "DM",+ "type": "input",+ "description": "Spread spectrum modulation frequency (fm) programming pin; connect capacitor to GND to set modulating frequency or directly to GND to disable spread spectrum."+ },+ {+ "number": "6",+ "name": "RT",+ "type": "input",+ "description": "Oscillator frequency programming pin (80 kHz to 800 kHz); connect resistor to GND to set switching frequency or couple external clock via 100-nF capacitor for synchronization."+ },+ {+ "number": "7",+ "name": "COMP",+ "type": "output",+ "description": "Transconductance error amplifier output; connect compensation network (resistor and capacitor) to achieve desired closed-loop response."+ },+ {+ "number": "8",+ "name": "IMON",+ "type": "output",+ "description": "LED current report pin with output relationship VIMON = 14 × ILED × RCS; bypass with 1-nF ceramic capacitor to GND."+ },+ {+ "number": "9",+ "name": "IADJ",+ "type": "input",+ "description": "LED current reference input with analog dimming range 140 mV to 2.25 V or connect to VCC via 100-kΩ resistor to set internal reference to 2.42 V and current sense threshold to 170.7 mV."+ },+ {+ "number": "10",+ "name": "DIM/PWM",+ "type": "input",+ "description": "External analog (1 V to 3 V) or direct PWM dimming input setting LED current duty cycle 0% to 100%; connect to VREF when unused."+ },+ {+ "number": "11",+ "name": "RAMP",+ "type": "input",+ "description": "PWM generator frequency programming input (100 Hz to 2000 Hz); connect capacitor to GND to set ramp frequency or 249-kΩ resistor to GND to disable PWM generator."+ },+ {+ "number": "12",+ "name": "PDRV",+ "type": "output",+ "description": "Series dimming P-channel FET gate driver output (maximum ±50 mA pulsed <10 μs); connect to external P-channel MOSFET gate for PWM dimming and fault disconnect."+ },+ {+ "number": "13",+ "name": "CSN",+ "type": "input",+ "description": "Current sense amplifier negative input (−); connect directly to negative node of LED current sense resistor RCS."+ },+ {+ "number": "14",+ "name": "CSP",+ "type": "input",+ "description": "Current sense amplifier positive input (+) with maximum ±0.3 V differential to CSN; connect directly to positive node of LED current sense resistor RCS."+ },+ {+ "number": "15",+ "name": "OV",+ "type": "input",+ "description": "Output voltage monitoring input; connect resistor divider from output voltage to GND to set overvoltage (>1.228 V) and undervoltage (<100 mV) protection thresholds."+ },+ {+ "number": "16",+ "name": "SLOPE",+ "type": "input",+ "description": "Slope compensation ramp input; connect resistor to GND to set desired slope compensation based on inductor value and input/output voltages."+ },+ {+ "number": "17",+ "name": "GND",+ "type": "power_in",+ "description": "Analog and power ground connection pin; connect to circuit ground and thermal pad via multiple vias for proper heat dissipation and return path."+ },+ {+ "number": "18",+ "name": "IS",+ "type": "input",+ "description": "Switch current sense input; connect to switch sense resistor RIS to set current limit threshold based on internal 250 mV reference."+ },+ {+ "number": "19",+ "name": "GATE",+ "type": "output",+ "description": "N-channel MOSFET gate driver output (maximum ±500 mA pulsed <20 ns); connect to gate of external main switching N-channel MOSFET."+ },+ {+ "number": "20",+ "name": "VCC",+ "type": "power_in",+ "description": "VCC (7.5 V) bias supply pin; locally decouple to GND using 2.2-μF to 4.7-μF ceramic capacitor located close to controller."+ },+ {+ "number": "21",+ "name": "PAD",+ "type": "passive",+ "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "exposed pad 21 added from the footprint",+ "dropped thermal pad ['EP'] absent from footprint"+ ],+ "pages_sent": 11,+ "cost_usd": 0.168,+ "at": "2026-10-06T01:01:10"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/tps92692",+ "pages": 58,+ "sha256": "b30af0922984f2b6",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 21,+ "described": 21,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}