Led backlight controller
willdickson·led_backlight_controller
About the Led backlight controller PCB
Led backlight controller is an open source PCB design by willdickson, published on GitHub under the Custom license license. It is a 2-layer board measuring 57.2 × 38.1 mm, with 24 components from 19 distinct parts.
Other key parts include the LTC6992_TSOT_32_6 and POLOLU_3V3. By type, the board carries 7 resistors, 5 connectors, 3 modules, 3 diodes, 2 ICs and 1 transistor.
From the project
Simple 5-40V, 4A LED backlight controller based on the LTC6992 voltage controlled PWM modulator.

Main components on the Led backlight controller
Led backlight controller bill of materials (BOM)
24 components, 19 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LTC6992_TSOT_32_6 | SOT23_6_CUSTOM | U1 |
| 1 | POLOLU_3V3 | POLOLU_3V3 | U2 |
| 3 | VAL** | MOUNT_HOLE_4_40 | M1, M2, M4 |
| 1 | Q_NPN_EBC | SOT23EBC | Q1 |
| 4 | CONN_2 | BLOCK_CONN_2X1 | P1, P2, P3, P4 |
| 1 | CONN_3 | PIN_ARRAY_1X3 | P5 |
| 1 | POT | POT_EVUE2J | RV1 |
| 1 | SWITCH_INV | SLIDE_SWITCH | SW1 |
| 1 | DIODE_CUSTOM | R_0603_HandSoldering | D1 |
| 1 | LED_CUSTOM | R_0603_HandSoldering | D2 |
| 1 | BAS07-04 | SOT23EBC | D3 |
| 1 | 0.1uF | R_0603_HandSoldering | C1 |
| 1 | 23.2k | R_0603_HandSoldering | R1 |
| 1 | 976k | R_0603_HandSoldering | R2 |
| 1 | 56 | R_0603_HandSoldering | R3 |
| 1 | 124k | R_0603_HandSoldering | R4 |
| 1 | 182k | R_0603_HandSoldering | R5 |
| 1 | 36 | R_0603_HandSoldering | R6 |
| 1 | 200k | R_0603_HandSoldering | R7 |
Led backlight controller design files
The KiCad project lives in the willdickson/led_backlight_controller repository on GitHub; these links point at the commit this page was built from.
- Layoutcontroller.kicad_pcb
Led backlight controller: common questions
How big is the Led backlight controller PCB?
The Led backlight controller measures 57.2 × 38.1 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Led backlight controller?
24 components, from 19 distinct parts. The full bill of materials is listed on this page.
Where can I download the Led backlight controller design files?
From the willdickson/led_backlight_controller repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Led backlight controller design in my own project?
It is published under Custom license, which limits how it may be reused; read the license before building on it.