Constant current driver AL8860
About the Constant current driver AL8860 PCB
Constant current driver AL8860 is an open source PCB design by DIaLOGIKa-GmbH, published on GitHub under the MIT license. It is a 2-layer board measuring 53.3 × 31.8 mm, with 18 components from 12 distinct parts.
Other key parts include the AL8860WT. By type, the board carries 5 capacitors, 5 resistors, 3 connectors, 2 transistors, 1 IC and 1 diode.
From the project
Testing PCBs for different constant current driver ICs
This project is part of LibroDuct. We decided to publish some results of our LED driver designs to support the opensource maker scene. Feel free to use those results in your designs.
All those designs were tested with 9 IR-LEDs in series. These had a forward voltage of 14.0V.
The LM3404 and LM3404HV devices are monolithic switching regulators designed to deliver constant currents to high power LEDs. Ideal for automotive, industrial, and general lighting applications, these devices contain a high-side N-channel MOSFET switch with a current limit of 1.5A (typical) for step-down (Buck)…
Main components on the Constant current driver AL8860
Constant current driver AL8860 bill of materials (BOM)
18 components, 12 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | AL8860WT | TSOT-23-5 | U1 |
| 2 | MMBT5551 | TSOT-23 | Q1, Q2 |
| 3 | Conn_01x02 | TerminalBlock_Phoenix_MKDS-1,5-2-5.08_1x02_P5.08mm_Horizontal | J1, J2, J3 |
| 1 | SS210 | D_SMA | D1 |
| 1 | 68u | L_TDK_SLF12565 | L1 |
| 2 | 100n | C_0603_1608Metric | C1, C4 |
| 2 | 4u7 | C_1206_3216Metric | C2, C3 |
| 1 | 330p | C_0402_1005Metric | C5 |
| 1 | 10k | R_0402_1005Metric | R1 |
| 2 | 4k7 | R_0402_1005Metric | R2, R3 |
| 1 | 0R140 | R_1206_3216Metric | R4 |
| 1 | 0R | R_1206_3216Metric | R5 |
Constant current driver AL8860 design files
The KiCad project lives in the DIaLOGIKa-GmbH/pcb_constant-current-driver repository on GitHub; these links point at the commit this page was built from.
Constant current driver AL8860: common questions
How big is the Constant current driver AL8860 PCB?
The Constant current driver AL8860 measures 53.3 × 31.8 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Constant current driver AL8860?
18 components, from 12 distinct parts. The full bill of materials is listed on this page.
Where can I download the Constant current driver AL8860 design files?
From the DIaLOGIKa-GmbH/pcb_constant-current-driver repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Constant current driver AL8860 design in my own project?
Yes, under the terms of its MIT license, which DIaLOGIKa-GmbH chose for the repository.
