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TM1680
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TM Shenzhen Titan Micro Elec Digital Tube Drivers, LQFP-52(14x14). Datasheet-verified pinout, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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Datasheet
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README
markdownTM1680
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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);tm1680.step/tm1680.glbare 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, primaryclaude-haiku-4-5-20251001(text), consensusclaude-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).