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al8860qmp-13
Public Unreviewedby Ray
Diodes Incorporated LED Drivers, MSOP-8-EP. Datasheet-verified pinout, KiCad symbol/footprint/3D.
3D Model
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README
markdownAL8860QMP-13
Diodes Incorporated · LED Drivers · MSOP-8-EP
AL8860QMP-13 from Diodes Incorporated, in a MSOP-8-EP. 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 | SET | input | Current-sense/set input. Connect resistor RS from this pin to VIN to define nominal average output current: IOUT_NOM = 0.1V / RS. Absolute maximum voltage -0.3V to 42V; typical SET pin input current 8µA at VSET = VIN - 0.1V. |
| 2 | GND | power_in | Ground return. Pin 2 is the primary thermal/conductive ground path - most of the AL8860Q's heat is conducted through this pin; use a large earth plane with thermal vias. |
| 3 | GND | power_in | Ground return (second GND pin). Tie to the same low-impedance ground plane as pin 2. |
| 4 | CTRL | input | Multi-function on/off and brightness control. Leave floating for normal operation. Drive below 0.2V to turn output off (shutdown). DC voltage 0.3V-2.5V provides linear analog dimming from 5% to 100% of IOUT_NOM. PWM drive (open-drain/open-collector or 3.3V logic, f < 500Hz recommended) gives 1%-100% dimming. A capacitor to GND extends soft-start time (default 0.1ms; additional ≈1.5ms per nF). Absolute max -0.3V to 6V; keep below 5V for normal operation (>5V enters test mode). |
| 5 | SW | output | Switching node. Drain of the internal 40V NDMOS power switch. Connect to the external inductor and freewheeling Schottky diode anode. On-resistance RON ≈ 0.2Ω at ISW = 100mA; leakage ≤ 5µA. Absolute max -0.3V to 42V. |
| 6 | SW | output | Switching node (second SW pin, internally tied to pin 5). Drain of the internal NDMOS switch; parallel with pin 5 for current handling. |
| 7 | N/C | unconnected | No connection. Leave floating or tie to a non-conductive area on the PCB. |
| 8 | VIN | power_in | Input supply voltage, 4.5V to 40V (absolute max 42V). Decouple to GND with a 10µF or higher X7R (or X5R) ceramic capacitor placed as close as possible to the device. Internal regulator startup threshold ≈ 3.8V-4.5V. |
| EP | EP | passive | Exposed thermal pad on the package underside. Connect to GND and to a copper thermal mass for enhanced thermal impedance (θJA = 56°C/W, θJC = 15°C/W). Not intended as an electrical ground conduction path - use the GND pins for current return. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | MSOP-8-EP |
| Category | LED-drv |
| Pins | 9 |
Ordering variants
AL8860QMP-13
CAD (KiCad official)
- Symbol:
AL8860QMP-13 - Footprint:
Package_SO:MSOP-8-1EP_3x3mm_P0.65mm_EP1.5x1.8mm - 3D model: MSOP-8-EP (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Diodes Incorporated datasheet (None pp, sha256
b52d3e105e65bf23, 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).