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TLC59401RHBR
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Texas Instruments LED Drivers, VQFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+69@@ -0,0 +1,69 @@+# TLC59401RHBR++**Texas Instruments** · LED Drivers · VQFN-32-EP(5x5)++TLC59401RHBR from Texas Instruments, in a VQFN-32-EP(5x5). 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 | SCLK | input | Serial data shift clock for synchronizing serial input transfers. |+| 2 | SIN | input | Serial data input for shifting grayscale or dot correction data into the device. |+| 3 | MODE | input | Input mode-change pin; when MODE = GND, device is in GS mode; when MODE = VCC, device is in DC mode. |+| 4 | OUT0 | output | Constant-current output; multiple outputs can be configured in parallel to increase constant-current capability; different voltages can be applied to each output. |+| 5 | OUT1 | output | Constant-current output. |+| 6 | OUT2 | output | Constant-current output. |+| 7 | OUT3 | output | Constant-current output. |+| 8 | OUT4 | output | Constant-current output. |+| 9 | OUT5 | output | Constant-current output. |+| 10 | OUT6 | output | Constant-current output. |+| 11 | OUT7 | output | Constant-current output. |+| 12 | NC | unconnected | No connection. |+| 13 | NC | unconnected | No connection. |+| 14 | OUT8 | output | Constant-current output. |+| 15 | OUT9 | output | Constant-current output. |+| 16 | OUT10 | output | Constant-current output. |+| 17 | OUT11 | output | Constant-current output. |+| 18 | OUT12 | output | Constant-current output. |+| 19 | OUT13 | output | Constant-current output. |+| 20 | OUT14 | output | Constant-current output. |+| 21 | OUT15 | output | Constant-current output. |+| 22 | XERR | output | Error output; XERR is an open-drain terminal; XERR goes low when LOD or TEF is detected. |+| 23 | SOUT | output | Serial data output for cascading multiple devices. |+| 24 | GSCLK | input | Reference clock for grayscale PWM control. |+| 25 | TEST | input | Test pin; TEST must be connected to VCC. |+| 26 | IREF | input | Reference current terminal; maximum current for outputs OUT0-OUT15 is set with a resistor from IREF to GND. |+| 27 | VCC | power_in | Power-supply voltage; 3.0 V to 5.5 V. |+| 28 | NC | unconnected | No connection. |+| 29 | NC | unconnected | No connection. |+| 30 | GND | power_in | Ground. |+| 31 | BLANK | input | Blank all outputs; when BLANK is high, all OUTn outputs are forced OFF and GS counter is reset; when BLANK is low, OUTn are controlled by grayscale PWM control. |+| 32 | XLAT | input | Level triggered latch signal; when XLAT is high, writes data from input shift register to GS register (MODE low) or DC register (MODE high); when XLAT is low, data in registers are held constant. |+| 33 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VQFN-32-EP(5x5) |+| Category | LED Drivers |+| Pins | 33 |++## CAD (KiCad official)++- Symbol: `TLC59401RHBR`+- Footprint: `Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.3x3.3mm`+- 3D model: VQFN-32-EP(5x5) (KiCad packages3D, STEP)+- 3D model files: `tlc59401rhbr-etched.step` / `tlc59401rhbr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tlc59401rhbr.step` / `tlc59401rhbr.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/tlc59401) (36 pp, sha256 `f35d206c1ca42920`, 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/tlc59401rhbr-datasheet.pdf)
page.jsonadded+310@@ -0,0 +1,310 @@+{+ "slug": "tlc59401rhbr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments LED Drivers, VQFN-32-EP(5x5). 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when MODE = GND, device is in GS mode; when MODE = VCC, device is in DC mode."+ },+ {+ "number": "4",+ "name": "OUT0",+ "type": "output",+ "description": "Constant-current output; multiple outputs can be configured in parallel to increase constant-current capability; different voltages can be applied to each output."+ },+ {+ "number": "5",+ "name": "OUT1",+ "type": "output",+ "description": "Constant-current output."+ },+ {+ "number": "6",+ "name": "OUT2",+ "type": "output",+ "description": "Constant-current output."+ },+ {+ "number": "7",+ "name": "OUT3",+ "type": "output",+ "description": "Constant-current output."+ },+ {+ "number": "8",+ "name": "OUT4",+ "type": "output",+ "description": "Constant-current output."+ },+ {+ "number": "9",+ "name": "OUT5",+ "type": "output",+ "description": "Constant-current output."+ },+ {+ "number": "10",+ "name": "OUT6",+ "type": "output",+ "description": "Constant-current output."+ },+ {+ "number": "11",+ "name": "OUT7",+ "type": "output",+ "description": "Constant-current output."+ },+ {+ "number": "12",+ "name": "NC",+ "type": "unconnected",+ "description": "No connection."+ },+ {+ "number": "13",+ "name": "NC",+ "type": "unconnected",+ "description": "No connection."+ },+ {+ "number": "14",+ "name": "OUT8",+ "type": "output",+ "description": "Constant-current output."+ },+ {+ "number": "15",+ "name": "OUT9",+ "type": "output",+ "description": "Constant-current output."+ },+ {+ "number": "16",+ "name": "OUT10",+ "type": "output",+ "description": "Constant-current output."+ },+ {+ "number": "17",+ "name": "OUT11",+ "type": "output",+ "description": "Constant-current output."+ },+ {+ "number": "18",+ "name": "OUT12",+ "type": "output",+ "description": "Constant-current output."+ },+ {+ "number": "19",+ "name": "OUT13",+ "type": "output",+ "description": "Constant-current output."+ },+ {+ "number": "20",+ "name": "OUT14",+ "type": "output",+ "description": "Constant-current output."+ },+ {+ "number": "21",+ "name": "OUT15",+ "type": "output",+ "description": "Constant-current output."+ },+ {+ "number": "22",+ "name": "XERR",+ "type": "output",+ "description": "Error output; XERR is an open-drain terminal; XERR goes low when LOD or TEF is detected."+ },+ {+ "number": "23",+ "name": "SOUT",+ "type": "output",+ "description": "Serial data output for cascading multiple devices."+ },+ {+ "number": "24",+ "name": "GSCLK",+ "type": "input",+ "description": "Reference clock for grayscale PWM control."+ },+ {+ "number": "25",+ "name": "TEST",+ "type": "input",+ "description": "Test pin; TEST must be connected to VCC."+ },+ {+ "number": "26",+ "name": "IREF",+ "type": "input",+ "description": "Reference current terminal; maximum current for outputs OUT0-OUT15 is set with a resistor from IREF to GND."+ },+ {+ "number": "27",+ "name": "VCC",+ "type": "power_in",+ "description": "Power-supply voltage; 3.0 V to 5.5 V."+ },+ {+ "number": "28",+ "name": "NC",+ "type": "unconnected",+ "description": "No connection."+ },+ {+ "number": "29",+ "name": "NC",+ "type": "unconnected",+ "description": "No connection."+ },+ {+ "number": "30",+ "name": "GND",+ "type": "power_in",+ "description": "Ground."+ },+ {+ "number": "31",+ "name": "BLANK",+ "type": "input",+ "description": "Blank all outputs; when BLANK is high, all OUTn outputs are forced OFF and GS counter is reset; when BLANK is low, OUTn are controlled by grayscale PWM control."+ },+ {+ "number": "32",+ "name": "XLAT",+ "type": "input",+ "description": "Level triggered latch signal; when XLAT is high, writes data from input shift register to GS register (MODE low) or DC register (MODE high); when XLAT is low, data in registers are held constant."+ },+ {+ "number": "33",+ "name": "EP",+ "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": [+ "extractor flagged: IREF pin marked as I/O in datasheet but functionally operates as input only; classified as input bas",+ "exposed pad 33 added from the footprint"+ ],+ "pages_sent": 10,+ "cost_usd": 0.149,+ "at": "2026-10-06T01:23:52"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/tlc59401",+ "pages": 36,+ "sha256": "f35d206c1ca42920",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 33,+ "described": 33,+ "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]"+ }+}