ToBe Driver

Description

Tobe Pilot is a breadboard power supply controller and interface expension for Raspberry Pi Zero.

Main features are:

Single 7-20V DC supply
Efficient SMPS module for 5V supply (for breadboard and Raspberry Pi), and 3.3V LDO
Switchable and protected 3.3V and 5V rails to breadboard
Over-current Raspberry-Pi input and LED
User configurable push buttons (2)
Header exposing Raspberry Pi UART, SPI, I2C and 4 GPIOs interfaces.

Resources

Schematics | pdf
KiCad project | zip

Images

Board, front

Board, back

PCB, front

PCB, back

Hardware

Bill of Material

Component Count: 24

Ref	Qty	Part	Value	Package	Vendor	Note(s)
R1, R2, R6	3	Resistor SMD	200R	0805
R3, R4, R5	3	Resistor SMD	20k	0805
C1, C2, C3	3	Capacitor SMD, Tantalum	10uF	EIA-3216
D1	1	LED SMD Red		1206
D3, D5	2	LED SMD Green		1206
J1	1	Connectors, DC Barrel Jack		5.5x2.1mm
J3, J5	2	Pin Header Straight	2x03	Pitch 2.54mm
J4	1	Socket Strip Straight	1x15	Pitch 2.54mm
J7	1	Socket Strip Straight	1x02	Pitch 2.54mm
J6	1	3-pin Jumper/Solder Bridge
SW1, SW2, SW3, SW5	4	Tactile Push Button Switch		4x4x1.5mm
U2	1	TPS2062D Dual Power switch		SOIC8	TI
U3	1	LM1117-3.3 LDO Regulator	3.3V 800mA	SOT-223	TI	(* or AMS1117-3.3)

Revisions

Rev.	Released	E.D.A.	Description
v1	2018-02-09	KiCad 4.0.7	Initial version

By Tognoli Bertrand.