Charger

Ongoing

STD Charger

STM32

Communication_Module

Power_Module

License:

Mode:

Editors' pick

Update time： 2022-02-06 16:29:42

Creation time： 2020-10-24 18:12:53

Description

# Raspberry-pi zero w shield 1\. Translate SPI to 10 single\-wire UART channels for Lobot servos\. 2\. Emulated realtime\-clock \(like as ds3231em\) with wakup signal for raspberry\. 3\. Charging\, control and balanse 2s Li\-ion battery? and used it as UPS\. 4\. USB type\-C for control and charging\. May be used for raspberry UART consolebridge\. 5\. High current power key for external load\. Firmware: [https://github.com/Kudesnick/pihub](https://github.com/Kudesnick/pihub).

Design Drawing

schematic diagram

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BOM

BOM download Purchase Parts

ID	Name	Designator	Footprint	Quantity
1	22uF	C1,C2,C5,C6	C1206	4
2	1uF	C3,C7,C8	C0603	3
3	100nF	C4	C0603	1
4	100nF	C9,C10,C11,C13,C19,C22,C23,C24,C25,C26,C27,C29,C30,C31,C32	C0402	15
5	12pF	C12,C15,C16,C17,C18,C28	C0402	6
6	470nF	C14	C0603	1
7	4.7uF	C20,C21	C1206	2
8	SS54_C22452	D1	SMA_L4.4-W2.8-LS5.4-R-RD	1
9	1N5819WS	D2	SOD-323_L1.8-W1.3-LS2.5-RD	1
10	ESDR0502NMUTBG	D3	UDFN-6_L1.2-W1.0-P0.40-BL	1
11	Murata	F1	R0603	1
12	2.2uH	L1	IND-SMD_L2.5-W2.0	1
13	IRLS3034-7PPbF	Q3	D2-PAK-7	1
14	10K	R1,R2,R5,R7,R10	R0402	5
15	4.7K	R3,R4	R0402	2
16	10K	R6,R19	R0805	2
17	47K	R8	R0402	1
18	200K	R9	R0402	1
19	91K	R11,R13,R15	R0402	3
20	1M	R14	R0402	1
21	68	R17	R1206	1
22	4.42	R18,R23	R0603	2
23	1.5K	R20	R0402	1
24	22	R21,R22	R0402	2
25	SKSCLAE010	SW1,SW2,SW3	SW-SMD_4P-L3.5-W2.9-P1.30-LS4.8	3
26	TLV70228DBVR	U1	SOT-23-5_L3.0-W1.7-P0.95-LS2.8-BR	1
27	MP2639A	U2	QFN-26 (4MMX4MM) MP2639C	1
28	AUIR3200STR	U4	SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL	1
29	32.768KHz	X1	OSC-SMD_L3.2-W1.5	1
30	8MHz	X2	OSC-SMD_4P-L3.2-W2.5-BL	1
31	A2541WR-4P	XT1	HDR-TH_4P-P2.54-H-W10.3	1
32	2.5A I/O	XT2	USB-3.1-SMD_U262-161N-4BVC11	1
33	XT60PW-F	XT3	XT60PW-F	1
34	Pi Zero	XT4	PI ZERO WITH HOLES	1
35	XT60PW-M	XT5	XT60PW-M	1
36	A2541HWV-2X2P	XT6	HDR-TH_4P-P2.54-V-R2-C2-S2.54	1
37	HDR_1.27x6	XT7	HDR_1.27X6	1
38	A2541WR-2X6P	XT8	CONN-TH_A2541WR-2X6P	1
39	STM32F413VGT3	U3	LQFP-100_14X14X05P	1