TM5020A

@@ -0,0 +1,59 @@+# TM5020A++**TM Shenzhen Titan Micro Elec** · LED Drivers · SSOP-24-150mil++TM5020A from TM Shenzhen Titan Micro Elec, in a SSOP-24-150mil. 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 drive current loop. |+| 2 | SDI | input | Serial data input with Schmitt-trigger buffered input; data is shifted into the 16-bit shift register on the rising edge of CLK. |+| 3 | CLK | input | Serial data shift clock input with Schmitt-trigger buffered input; data is shifted on the rising edge. Max clock frequency 25 MHz. |+| 4 | LE | input | Latch enable / data-latch control input with Schmitt-trigger buffer. When LE is high, serial data is transferred into the output latch; when LE is low, data is latched. Internal pull-down to GND (~270 kΩ typical). |+| 5 | OUT0 | output | Constant-current sink output channel 0. Withstands up to 11 V, sinks 3-36 mA (VDD=5V) or 3-20 mA (VDD=3.3V) as set by R-EXT. |+| 6 | OUT1 | output | Constant-current sink output channel 1. |+| 7 | OUT2 | output | Constant-current sink output channel 2. |+| 8 | OUT3 | output | Constant-current sink output channel 3. |+| 9 | OUT4 | output | Constant-current sink output channel 4. |+| 10 | OUT5 | output | Constant-current sink output channel 5. |+| 11 | OUT6 | output | Constant-current sink output channel 6. |+| 12 | OUT7 | output | Constant-current sink output channel 7. |+| 13 | OUT8 | output | Constant-current sink output channel 8. |+| 14 | OUT9 | output | Constant-current sink output channel 9. |+| 15 | OUT10 | output | Constant-current sink output channel 10. |+| 16 | OUT11 | output | Constant-current sink output channel 11. |+| 17 | OUT12 | output | Constant-current sink output channel 12. |+| 18 | OUT13 | output | Constant-current sink output channel 13. |+| 19 | OUT14 | output | Constant-current sink output channel 14. |+| 20 | OUT15 | output | Constant-current sink output channel 15. |+| 21 | OE | input | Output enable, active-low. When OE is low, OUT0-OUT15 are enabled; when OE is high, outputs are turned off. Internal pull-up resistor to VDD (~250 kΩ typical). |+| 22 | SDO | output | Serial data output; presents shifted data on the rising edge of CLK. Cascade to the SDI pin of the next TM5020A for daisy-chained drivers. |+| 23 | R-EXT | passive | Constant-current setting pin. Connect an external resistor from R-EXT to GND to set the OUT0-OUT15 output current; IOUT = (1.18 V / R_IREF) x 15 (e.g. 600 Ω → ~29.5 mA, 1 kΩ → ~17.7 mA). |+| 24 | VDD | power_in | Chip power supply. Operating range 3.3 V to 5 V (absolute max 7.0 V). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | TM Shenzhen Titan Micro Elec |+| Package | SSOP-24-150mil |+| Category | LED-drv |+| Pins | 24 |++## CAD (KiCad official)++- Symbol: `TM5020A`+- Footprint: `Package_SO:SSOP-24_5.3x8.2mm_P0.65mm`+- 3D model: SSOP-24-150mil (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [TM Shenzhen Titan Micro Elec datasheet](docs/tm5020a-datasheet.pdf) (12 pp, sha256 `3ace3c01c25c978e`, retrieved 2026-08-17, tier: lcsc)+- **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/tm5020a-datasheet.pdf)

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