2 layers159.5 × 30 mm
Type f
google/mozc-devices
Circuit diagrams and firmware source code for Gboard DIY keyboards
25 parts3kApache-2.0
2 layers57.2 × 38.1 mm
Controller
willdickson/led_backlight_controller1Simple 5-40V, 4A LED backlight controller based on the LTC6992 voltage controlled PWM modulator.
- Size
- 57.2 × 38.1 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 25
- Nets
- 16
- Pads
- 59
- Tracks, vias
- 153, 2
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 28 Aug 2018
- Updated
- 26 May 2019
Overview
Controller is an open-source printed circuit board by willdickson, from the willdickson/led_backlight_controller repository on GitHub. It is a 2-layer board of 57.2 × 38.1 mm with 25 parts on 16 nets, routed with 153 tracks and 2 vias.
Its parts include 7 resistors, 5 connectors, 3 diodes, 2 ICs and 1 capacitor.
README
README.mdled_backlight_controller
Design files (KiCad) for a simple 5-40V, 4A LED backlight controller based on the LTC6992 voltage controlled PWM modulator.
PCB layout
License:
Creative Commons Attribution 4.0 International CC BY 4.0
Parts
25| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | CONN_2 | BLOCK_CONN_2:BLOCK_CONN_2X1 | P1, P2, P3, P4 |
| 3 | VAL** | MOUNT_HOLE_4_40 | M1, M2, M4 |
| 1 | 0.1uF | R_0603_HandCustom:R_0603_HandSoldering | C1 |
| 1 | 124k | R_0603_HandCustom:R_0603_HandSoldering | R4 |
| 1 | 182k | R_0603_HandCustom:R_0603_HandSoldering | R5 |
| 1 | 200k | R_0603_HandCustom:R_0603_HandSoldering | R7 |
| 1 | 23.2k | R_0603_HandCustom:R_0603_HandSoldering | R1 |
| 1 | 36 | R_0603_HandCustom:R_0603_HandSoldering | R6 |
| 1 | 56 | R_0603_HandCustom:R_0603_HandSoldering | R3 |
| 1 | 976k | R_0603_HandCustom:R_0603_HandSoldering | R2 |
| 1 | BAS07-04 | BAS07:SOT23EBC | D3 |
| 1 | CONN_3 | PIN_ARRAY_1X3:PIN_ARRAY_1X3 | P5 |
| 1 | DIODE_CUSTOM | Diode_0603_Custom:R_0603_HandSoldering | D1 |
| 1 | LED_CUSTOM | Diode_0603_Custom:R_0603_HandSoldering | D2 |
| 1 | LTC6992_TSOT_32_6 | SOT23_6_CUSTOM | U1 |
| 1 | POLOLU_3V3 | POLOLU_3V3:POLOLU_3V3 | U2 |
| 1 | POT | POT_EVUE2J | RV1 |
| 1 | Q_NPN_EBC | SOT23EBC | Q1 |
| 1 | SWITCH_INV | SLIDE_SWITCH | SW1 |
The 24 most common of 25 parts.
Questions
How big is the Controller PCB?
It measures 57.2 × 38.1 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Controller use?
25 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Controller KiCad files?
From the willdickson/led_backlight_controller repository on GitHub, at the commit this page was made from: the board is controller.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Controller design in my own project?
Its repository states no licence, so its author keeps all rights: ask willdickson before reusing the design.
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