TM3100

@@ -0,0 +1,60 @@+# TM3100++**TM Shenzhen Titan Micro Elec** · LED Drivers · QSOP-24++TM3100 from TM Shenzhen Titan Micro Elec, in a QSOP-24. 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 | GND | power_in | Ground return for control logic and constant-current output driver circuits. Connect to system 0 V. |+| 2 | SDI | input | Serial data input to the 16-bit shift register (Schmitt-trigger input). Data is clocked in on the rising edge of CLK, MSB last. |+| 3 | CLK | input | Serial shift-register clock input (Schmitt-trigger). Data on SDI is shifted on the rising edge; maximum clock frequency 25 MHz. |+| 4 | LE | input | Latch enable input (Schmitt-trigger). When LE is HIGH, serial data is transferred from the shift register into the output latches; when LE is LOW the latch data is held. Internal pull-down (RPDWN ≈ 40 kΩ). |+| 5 | OUT0 | output | Constant-current sink output channel 0 for driving an LED. Programmable 5-35 mA (set by R-EXT); withstands up to 30 V. Outputs may be paralleled to boost current. |+| 6 | OUT1 | output | Constant-current sink output channel 1. Programmable 5-35 mA via R-EXT, tolerates up to 30 V. |+| 7 | OUT2 | output | Constant-current sink output channel 2. Programmable 5-35 mA via R-EXT, tolerates up to 30 V. |+| 8 | OUT3 | output | Constant-current sink output channel 3. Programmable 5-35 mA via R-EXT, tolerates up to 30 V. |+| 9 | OUT4 | output | Constant-current sink output channel 4. Programmable 5-35 mA via R-EXT, tolerates up to 30 V. |+| 10 | OUT5 | output | Constant-current sink output channel 5. Programmable 5-35 mA via R-EXT, tolerates up to 30 V. |+| 11 | OUT6 | output | Constant-current sink output channel 6. Programmable 5-35 mA via R-EXT, tolerates up to 30 V. |+| 12 | OUT7 | output | Constant-current sink output channel 7. Programmable 5-35 mA via R-EXT, tolerates up to 30 V. |+| 13 | OUT8 | output | Constant-current sink output channel 8. Programmable 5-35 mA via R-EXT, tolerates up to 30 V. |+| 14 | OUT9 | output | Constant-current sink output channel 9. Programmable 5-35 mA via R-EXT, tolerates up to 30 V. |+| 15 | OUT10 | output | Constant-current sink output channel 10. Programmable 5-35 mA via R-EXT, tolerates up to 30 V. |+| 16 | OUT11 | output | Constant-current sink output channel 11. Programmable 5-35 mA via R-EXT, tolerates up to 30 V. |+| 17 | OUT12 | output | Constant-current sink output channel 12. Programmable 5-35 mA via R-EXT, tolerates up to 30 V. |+| 18 | OUT13 | output | Constant-current sink output channel 13. Programmable 5-35 mA via R-EXT, tolerates up to 30 V. |+| 19 | OUT14 | output | Constant-current sink output channel 14. Programmable 5-35 mA via R-EXT, tolerates up to 30 V. |+| 20 | OUT15 | output | Constant-current sink output channel 15. Programmable 5-35 mA via R-EXT, tolerates up to 30 V. |+| 21 | OE | input | Output-enable control input (active LOW). When OE is LOW, OUT0-OUT15 sink current; when OE is HIGH, outputs are turned off. Internal pull-up to VDD (RPUP ≈ 40 kΩ). |+| 22 | SDO | output | Serial data output from the shift register, updated on the rising edge of CLK. Connect to SDI of the next TM3100 to cascade multiple drivers. |+| 23 | R-EXT | passive | Constant-current setting pin. Connect an external resistor (Riref) between R-EXT and GND; output current Iout = (1.20 V / Riref) × 15 (e.g. 600 Ω → 30 mA, 1 kΩ → 18 mA). Internal VIREF ≈ 1.20 V. |+| 24 | VDD | power_in | Chip power supply, 4.5-5.5 V (absolute max 6.0 V). Bypass locally with a decoupling capacitor to GND. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | TM Shenzhen Titan Micro Elec |+| Package | QSOP-24 |+| Category | LED-drv |+| Pins | 24 |++## CAD (KiCad official)++- Symbol: `TM3100`+- Footprint: `Package_SO:QSOP-24_3.9x8.7mm_P0.635mm`+- 3D model: QSOP-24 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [TM Shenzhen Titan Micro Elec datasheet](docs/tm3100-datasheet.pdf) (11 pp, sha256 `05ac9a9cf102d8c2`, retrieved 2026-08-17, 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:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/tm3100-datasheet.pdf)

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