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Contents

README

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LED2472GBTR

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.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); led2472gbtr.step / led2472gbtr.glb are 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, 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