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TM1726
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TM Shenzhen Titan Micro Elec LCD Drivers, LQFP-44(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
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README
markdownTM1726
TM Shenzhen Titan Micro Elec · LCD Drivers · LQFP-44(10x10)
TM1726 from TM Shenzhen Titan Micro Elec, in a LQFP-44(10x10). 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 | VDD | power_in | Logic supply pin; the datasheet gives an absolute maximum of -0.5 to +6.0 V (referenced to Vss) and a 5.0 V typical operating supply. |
| 2 | SDA | bidirectional | 2-wire serial data line listed as the serial data input; the chip pulls SDA low to send ACK, and the data setup and hold times are each at least 100 ns. |
| 3 | SCL | input | 2-wire serial clock input; the minimum clock pulse width is 400 ns and data is sampled on SCL rising edges. |
| 4 | GND | power_in | System ground, the 0 V reference (Vss) for the device. |
| 5 | SEG0 | output | LCD segment drive output; typical source current is -80 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 6 | SEG1 | output | LCD segment drive output; typical source current is -80 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 7 | SEG2 | output | LCD segment drive output; typical source current is -80 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 8 | SEG3 | output | LCD segment drive output; typical source current is -80 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 9 | SEG4 | output | LCD segment drive output; typical source current is -80 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 10 | SEG5 | output | LCD segment drive output; typical source current is -80 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 11 | SEG6 | output | LCD segment drive output; typical source current is -80 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 12 | SEG7 | output | LCD segment drive output; typical source current is -80 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 13 | SEG8 | output | LCD segment drive output; typical source current is -80 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 14 | SEG9 | output | LCD segment drive output; typical source current is -80 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 15 | SEG10 | output | LCD segment drive output; typical source current is -80 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 16 | SEG11 | output | LCD segment drive output; typical source current is -80 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 17 | SEG12 | output | LCD segment drive output; typical source current is -80 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 18 | SEG13 | output | LCD segment drive output; typical source current is -80 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 19 | SEG14 | output | LCD segment drive output; typical source current is -80 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 20 | SEG15 | output | LCD segment drive output; typical source current is -80 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 21 | SEG16 | output | LCD segment drive output; typical source current is -80 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 22 | SEG17 | output | LCD segment drive output; typical source current is -80 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 23 | SEG18 | output | LCD segment drive output; typical source current is -80 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 24 | SEG19 | output | LCD segment drive output; typical source current is -80 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 25 | SEG20 | output | LCD segment drive output; typical source current is -80 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 26 | SEG21 | output | LCD segment drive output; typical source current is -80 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 27 | SEG22 | output | LCD segment drive output; typical source current is -80 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 28 | SEG23 | output | LCD segment drive output; typical source current is -80 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 29 | SEG24 | output | LCD segment drive output; typical source current is -80 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 30 | SEG25 | output | LCD segment drive output; typical source current is -80 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 31 | SEG26 | output | LCD segment drive output; typical source current is -80 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 32 | SEG27 | output | LCD segment drive output; typical source current is -80 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 33 | SEG28 | output | LCD segment drive output; typical source current is -80 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 34 | SEG29 | output | LCD segment drive output; typical source current is -80 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 35 | SEG30 | output | LCD segment drive output; typical source current is -80 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 36 | SEG31 | output | LCD segment drive output; typical source current is -80 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 37 | SEG32 | output | LCD segment drive output; typical source current is -80 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 38 | SEG33 | output | LCD segment drive output; typical source current is -80 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 39 | SEG34 | output | LCD segment drive output; typical source current is -80 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 40 | SEG35 | output | LCD segment drive output; typical source current is -80 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 41 | COM0 | output | LCD common drive output; typical source current is -120 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 42 | COM1 | output | LCD common drive output; typical source current is -120 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 43 | COM2 | output | LCD common drive output; typical source current is -120 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
| 44 | COM3 | output | LCD common drive output; typical source current is -120 to -150 uA at Vo=4.5 V and sink current is 80 to 100 uA at Vo=0.5 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | TM Shenzhen Titan Micro Elec |
| Package | LQFP-44(10x10) |
| Category | LED Drivers |
| Pins | 44 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Logic supply voltage (absolute maximum) | VDD | -0.5 | 6 | V | Ta = 25℃, Vss = 0 V | 8 | |
| Logic input voltage (absolute maximum) | VI1 | -0.5 | V | Ta = 25℃, Vss = 0 V | 8 | ||
| Operating temperature | Topt | -40 | 105 | ℃ | Ta = 25℃, Vss = 0 V | 8 | |
| Storage temperature | Tstg | -65 | 150 | ℃ | Ta = 25℃, Vss = 0 V | 8 | |
| Standby current | IDD0 | 1 | uA | Ta = -20 ～ +70℃, VDD = 5V, Vss = 0 V | 8 | ||
| Low-level input voltage | VIL | 0 | V | Ta = -20 ～ +70℃, VDD = 5V, Vss = 0 V | 8 | ||
| LCD COM output current (high) | IOH1 | -120 | -150 | uA | Ta = -20 ～ +70℃, VDD = 5V, Vss = 0 V; COM0~COM3, Vo=4.5V | 8 | |
| LCD COM input current (low) | IOL1 | 80 | 100 | uA | Ta = -20 ～ +70℃, VDD = 5V, Vss = 0 V; COM0~COM3, Vo=0.5V | 8 | |
| LCD SEG output current (high) | IOH2 | -80 | -150 | uA | Ta = -20 ～ +70℃, VDD = 5V, Vss = 0 V; SEF0-SEG35, Vo=4.5V | 8 | |
| LCD SEG input current (low) | IOL2 | 80 | 100 | uA | Ta = -20 ～ +70℃, VDD = 5V, Vss = 0 V; SEF0-SEG35, Vo=0.5V | 8 | |
| Maximum clock frequency | fmax | 12 | KHz | Ta = -20 ～ +70℃, VDD = 5 V; 占空比50% | 8 | ||
| Clock pulse width | PWCLK | 400 | ns | Ta = -20 ～ +70℃, VDD = 5 V | 8 | ||
| Data setup time | tSETUP | 100 | ns | Ta = -20 ～ +70℃, VDD = 5 V | 8 | ||
| Data hold time | tHOLD | 100 | ns | Ta = -20 ～ +70℃, VDD = 5 V | 8 |
CAD (KiCad official)
- Symbol:
TM1726 - Footprint:
Package_QFP:LQFP-44_10x10mm_P0.8mm - 3D model: LQFP-44(10x10) (KiCad packages3D, STEP)
- 3D model files:
tm1726-etched.step/tm1726-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);tm1726.step/tm1726.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: TM Shenzhen Titan Micro Elec datasheet (12 pp, sha256
650a9c0c07afa8f7, retrieved 2026-10-18, 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 0.3, 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).