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LED2472GBTR
Public Made by Adomby adom
STMicroelectronics LED Drivers, TQFP-48-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownLED2472GBTR
STMicroelectronics · LED Drivers · TQFP-48-EP(7x7)
LED2472GBTR from STMicroelectronics, in a TQFP-48-EP(7x7). 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 | NC | unconnected | Not connected internally; leave floating. |
| 2 | SDI | input | Serial data input for the 24-bit data and configuration shift register. |
| 3 | LE | input | Latch enable input that transfers shift register contents to the output latches. |
| 4 | CLK | input | Clock input for the serial interface, rated up to 30 MHz. |
| 5 | NC | unconnected | Not connected. |
| 6 | NC | unconnected | Not connected. |
| 7 | NC | unconnected | Not connected. |
| 8 | Reserved | unconnected | Reserved pin, not used in applications. |
| 9 | Reserved | unconnected | Reserved pin, not used in applications. |
| 10 | NC | unconnected | Not connected. |
| 11 | NC | unconnected | Not connected. |
| 12 | NC | unconnected | Not connected. |
| 13 | R1 | output | Red constant-current driver output 1; rated 20 V, programmable 4 mA to 72 mA. |
| 14 | G1 | output | Green constant-current driver output 1; rated 20 V, programmable 4 mA to 72 mA. |
| 15 | B1 | output | Blue constant-current driver output 1; rated 20 V, programmable 4 mA to 72 mA. |
| 16 | R2 | output | Red constant-current driver output 2; rated 20 V, programmable 4 mA to 72 mA. |
| 17 | G2 | output | Green constant-current driver output 2; rated 20 V, programmable 4 mA to 72 mA. |
| 18 | B2 | output | Blue constant-current driver output 2; rated 20 V, programmable 4 mA to 72 mA. |
| 19 | R3 | output | Red constant-current driver output 3; rated 20 V, programmable 4 mA to 72 mA. |
| 20 | G3 | output | Green constant-current driver output 3; rated 20 V, programmable 4 mA to 72 mA. |
| 21 | B3 | output | Blue constant-current driver output 3; rated 20 V, programmable 4 mA to 72 mA. |
| 22 | R4 | output | Red constant-current driver output 4; rated 20 V, programmable 4 mA to 72 mA. |
| 23 | G4 | output | Green constant-current driver output 4; rated 20 V, programmable 4 mA to 72 mA. |
| 24 | B4 | output | Blue constant-current driver output 4; rated 20 V, programmable 4 mA to 72 mA. |
| 25 | NC | unconnected | Not connected. |
| 26 | NC | unconnected | Not connected. |
| 27 | ISET | passive | Current setup pin; a single external resistor to this pin sets the LED output current (see Figure 15). |
| 28 | NC | unconnected | Not connected. |
| 29 | GND | power_in | Ground reference pin; the TQFP48 device has two GND pins (29 and 30). |
| 30 | GND | power_in | Ground reference pin; the TQFP48 device has two GND pins (29 and 30). |
| 31 | VDD | power_in | Supply voltage pin; operating range 3 V to 5.5 V, absolute maximum -0.4 V to 7 V. |
| 32 | BOE | input | Blue output enable input for the blue channel outputs. |
| 33 | GOE | input | Green output enable input for the green channel outputs. |
| 34 | ROE | input | Red output enable input for the red channel outputs. |
| 35 | SDO | output | Serial data output for daisy-chaining devices on the serial interface. |
| 36 | NC | unconnected | Not connected. |
| 37 | B5 | output | Blue constant-current driver output 5; rated 20 V, programmable 4 mA to 72 mA. |
| 38 | G5 | output | Green constant-current driver output 5; rated 20 V, programmable 4 mA to 72 mA. |
| 39 | R5 | output | Red constant-current driver output 5; rated 20 V, programmable 4 mA to 72 mA. |
| 40 | B6 | output | Blue constant-current driver output 6; rated 20 V, programmable 4 mA to 72 mA. |
| 41 | G6 | output | Green constant-current driver output 6; rated 20 V, programmable 4 mA to 72 mA. |
| 42 | R6 | output | Red constant-current driver output 6; rated 20 V, programmable 4 mA to 72 mA. |
| 43 | B7 | output | Blue constant-current driver output 7; rated 20 V, programmable 4 mA to 72 mA. |
| 44 | G7 | output | Green constant-current driver output 7; rated 20 V, programmable 4 mA to 72 mA. |
| 45 | R7 | output | Red constant-current driver output 7; rated 20 V, programmable 4 mA to 72 mA. |
| 46 | B8 | output | Blue constant-current driver output 8; rated 20 V, programmable 4 mA to 72 mA. |
| 47 | G8 | output | Green constant-current driver output 8; rated 20 V, programmable 4 mA to 72 mA. |
| 48 | R8 | output | Red constant-current driver output 8; rated 20 V, programmable 4 mA to 72 mA. |
| 49 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | TQFP-48-EP(7x7) |
| Category | LED Drivers |
| Pins | 49 |
CAD (KiCad official)
- Symbol:
LED2472GBTR - Footprint:
Package_QFP:TQFP-48-1EP_7x7mm_P0.5mm_EP5x5mm - 3D model: TQFP-48-EP(7x7) (KiCad packages3D, STEP)
- 3D model files:
led2472gbtr-etched.step/led2472gbtr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);led2472gbtr.step/led2472gbtr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (39 pp, sha256
4a73968da2e8e09c, retrieved 2026-10-08, tier: lcsc) - 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).