ToBe | Driver
LED strip power switch
- Low side power switch
- Uses on N-channel MOSFET (AO3400)
- For LED strip PWM controller
- Up to 5 ports
- Up to 24V, 4A per port
Main features
- Max current | 4A (/port)
- Output voltage | 24V max
- Enable voltage | 2V min
- Serial resistance | 50mΩ max
- Configurations
- 1x RGB + 2x single color LEDs
- 4x single color LEDs
Hardware
ToBe Driver v1 is produced by OSH Park. It uses spare PCB area from ToBe Pilot v1.1
- Process | 2-layer prototype PCB service, 2 oz copper
- FR4 substrate
- 0.8mm thickness
- ENIG (Immersion Gold) finish
- Dimensions | 1.25 x 0.5 inches (31.8 x 12.7 mm)
Resources
Bill of Material
| Ref | Qty | €/unit | Part | Value | Package |
|---|---|---|---|---|---|
| R1, R2, R3, R4, R5 | 5 | 0.01 | Resistor SMD 1/8W 5% | 10kΩ | 0805 |
| Q1, Q2, Q3, Q4, Q5 | 5 | 0.02 | AO3400 N-channel MOSFET, 30V 5.8A | SOT-23 | |
| J1 | 1 | 0.03 | Socket Strip 2.54mm Straight | 1x04 | |
| J2 | 1 | 0.15 | Screw Terminal 2.54mm | 1x02 | |
| J3 | 1 | 0.05 | Pin Header 2.54mm Straight | 1x06 | |
| J4, J5 | 2 | 0.03 | Socket Strip 2.54mm Straight | 1x02 |
- Component Count | 15
- Price (per unit) | 0.44€
Note: for 4xW variant, replace J1 by 2x 1x02 Socket Strips.
Revisions
| Rev. | Released | E.D.A. | Description |
|---|---|---|---|
| v1 | 2018-02-09 | KiCad 4.0.7 | Initial version |
Board build runs
| Prod. date | Rev. | PCB Fab. | Qty | Notes |
|---|---|---|---|---|
| 2018-04-04 | v1 | OSH Park | 3x | Built with ToBe Pilot v1.1 |
Pictures gallery
By Bertrand Tognoli
2019-02-24
2019-02-24