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Contents

README

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TM1680

TM Shenzhen Titan Micro Elec · Digital Tube Drivers · LQFP-52(14x14)

TM1680 from TM Shenzhen Titan Micro Elec, in a LQFP-52(14x14). Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 ROW0 output LED row drive output supporting 32×8 and 24×16 display modes
2 ROW1 output LED row drive output supporting 32×8 and 24×16 display modes
3 ROW2 output LED row drive output supporting 32×8 and 24×16 display modes
4 ROW3 output LED row drive output supporting 32×8 and 24×16 display modes
5 ROW4 output LED row drive output supporting 32×8 and 24×16 display modes
6 ROW5 output LED row drive output supporting 32×8 and 24×16 display modes
7 LED_VDD power_in LED driver power supply positive terminal, dual-bonded pins for high current distribution
8 ROW6 output LED row drive output supporting 32×8 and 24×16 display modes
9 ROW7 output LED row drive output supporting 32×8 and 24×16 display modes
10 ROW8 output LED row drive output supporting 32×8 and 24×16 display modes
11 ROW9 output LED row drive output supporting 32×8 and 24×16 display modes
12 ROW10 output LED row drive output supporting 32×8 and 24×16 display modes
13 ROW11 output LED row drive output supporting 32×8 and 24×16 display modes
14 VSS power_in Logic power supply negative terminal (ground reference)
15 OSC bidirectional System clock output from internal 256kHz RC oscillator in master mode or external clock input in passive/slave mode, with built-in pull-up resistor
16 SDA bidirectional I2C serial data input/output with open-drain configuration, external pull-up resistor required in application
17 SCL input I2C serial clock input operating at 100-400 kHz with built-in pull-up resistor
18 A1 input I2C slave address extension bit (MSB) with built-in pull-up resistor
19 A0 input I2C slave address extension bit (LSB) with built-in pull-up resistor
20 SYNC bidirectional Synchronization signal output in master/external master mode or input in passive/slave mode, with built-in pull-up resistor
21 VDD power_in Logic power supply positive terminal, operating voltage range 2.4-5.5V recommended
22 COM0 output LED common line output for matrix row selection, open-drain configuration, dual-bonded pin
23 COM1 output LED common line output for matrix row selection, open-drain configuration, dual-bonded pin
24 COM2 output LED common line output for matrix row selection, open-drain configuration, dual-bonded pin
25 LED_VSS power_in LED driver power supply negative terminal (ground reference), dual-bonded pin
26 COM3 output LED common line output for matrix row selection, open-drain configuration, dual-bonded pin
27 COM4 output LED common line output for matrix row selection, open-drain configuration, dual-bonded pin
28 COM5 output LED common line output for matrix row selection, open-drain configuration, dual-bonded pin
29 COM6 output LED common line output for matrix row selection, open-drain configuration, dual-bonded pin
30 COM7 output LED common line output for matrix row selection, open-drain configuration, dual-bonded pin
31 ROW31/COM8 output LED row or common line output: functions as ROW31 in 32×8 mode or COM8 in 24×16 mode, dual-bonded pin
32 ROW30/COM9 output LED row or common line output: functions as ROW30 in 32×8 mode or COM9 in 24×16 mode, dual-bonded pin
33 ROW29/COM10 output LED row or common line output: functions as ROW29 in 32×8 mode or COM10 in 24×16 mode, dual-bonded pin
34 ROW28/COM11 output LED row or common line output: functions as ROW28 in 32×8 mode or COM11 in 24×16 mode, dual-bonded pin
35 ROW27/COM12 output LED row or common line output: functions as ROW27 in 32×8 mode or COM12 in 24×16 mode, dual-bonded pin
36 LED_VSS power_in LED driver power supply negative terminal (ground reference), dual-bonded pin
37 ROW26/COM13 output LED row or common line output: functions as ROW26 in 32×8 mode or COM13 in 24×16 mode, dual-bonded pin
38 LED_VDD power_in LED driver power supply positive terminal, dual-bonded pins for high current distribution
39 ROW25/COM14 output LED row or common line output: functions as ROW25 in 32×8 mode or COM14 in 24×16 mode, dual-bonded pin
40 ROW24/COM15 output LED row or common line output: functions as ROW24 in 32×8 mode or COM15 in 24×16 mode, dual-bonded pin
41 ROW23 output LED row drive output supporting 32×8 and 24×16 display modes
42 ROW22 output LED row drive output supporting 32×8 and 24×16 display modes
43 ROW21 output LED row drive output supporting 32×8 and 24×16 display modes
44 ROW20 output LED row drive output supporting 32×8 and 24×16 display modes
45 ROW19 output LED row drive output supporting 32×8 and 24×16 display modes
46 ROW18 output LED row drive output supporting 32×8 and 24×16 display modes
47 ROW17 output LED row drive output supporting 32×8 and 24×16 display modes
48 ROW16 output LED row drive output supporting 32×8 and 24×16 display modes
49 ROW15 output LED row drive output supporting 32×8 and 24×16 display modes
50 ROW14 output LED row drive output supporting 32×8 and 24×16 display modes
51 ROW13 output LED row drive output supporting 32×8 and 24×16 display modes
52 ROW12 output LED row drive output supporting 32×8 and 24×16 display modes

Key specifications

Parameter Value
Manufacturer TM Shenzhen Titan Micro Elec
Package LQFP-52(14x14)
Category LED Drivers
Pins 52

CAD (KiCad official)

  • Symbol: TM1680
  • Footprint: Package_QFP:LQFP-52_14x14mm_P1mm
  • 3D model: LQFP-52(14x14) (KiCad packages3D, STEP)
  • 3D model files: tm1680-etched.step / tm1680-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tm1680.step / tm1680.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: TM Shenzhen Titan Micro Elec datasheet (17 pp, sha256 791fabbe656b66e9, retrieved 2026-09-18, 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 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-4-6 (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