CN5612

@@ -0,0 +1,41 @@+# CN5612++**ShangHai Consonance Elec** · LED Drivers · TO-252-5++CN5612 from ShangHai Consonance Elec, in a TO-252-5. 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 | NC | unconnected | No connect. Not internally bonded; leave floating or tie to a non-signal net. |+| 2 | VDD | power_in | Positive supply input and internal circuit power. Operating range 2.7V to 6V; absolute maximum 6.5V. |+| 3 | GND | power_in | Power ground return. The exposed backside tab of the TO-252 should be soldered to the PCB ground copper for maximum thermal performance. |+| 4 | LED | output | LED cathode connection (open-drain current sink). Sinks the regulated constant current (up to 1.2A) programmed by RISET; LED anode connects to VIN. Must be kept below 6V under all conditions. |+| 5 | ISET | input | Constant LED current program pin. Connect a resistor RISET between ISET and VDD; ILED = 910V / RISET (A, Ω). Pulling ISET to VDD (0V across RISET) fully turns off the LED current. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | ShangHai Consonance Elec |+| Package | TO-252-5 |+| Category | LED-drv |+| Pins | 5 |++## CAD (KiCad official)++- Symbol: `CN5612`+- Footprint: `Package_TO_SOT_SMD:TO-252-5_TabPin6`+- 3D model: TO-252-5 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [ShangHai Consonance Elec datasheet](docs/cn5612-datasheet.pdf) (8 pp, sha256 `0ec5b993d8b8575c`, 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/cn5612-datasheet.pdf)

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