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Bakalaurs v4 with charging

2 months ago 33
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Description

v3 izmaiņas: HX712 barosana parcelta no 3v3 linijas uz ESP GPIO12

v4 izmaiņas: pievienots tp4045e (lādēšanas ic), dw01 (baterijas aizsardzibas ic), 8205a (mosfetu paria ic prieks dw01) un sprieguma dalitajs (baretijas sprieguma merisanai esp)

Documents

Shema_v4

v4 pcb

Shema_v5 - pēc uztaisīšanas modifikācijas

BOM

ID Name Designator Footprint Quantity
1 UART TX J11,J11 PIN 2
2 UART RX J12,J12 PIN 2
3 PIN J13,J14,J15,J16,J13,J14,J15,J16 PIN 8
4 BAT + J17,J17 PIN 2
5 BAT - J18,J18 PIN 2
6 ESP8266-12F U6,U6 LGA22-2.0-24X16MM 2
7 HT7333 U4,U4 SOT-89(SOT-89-3) 2
8 Reset button SW3,SW3 SW-SMD_4PIN-L5.20-W5.20 2
9 Flash button SW4,SW4 SW-SMD_4PIN-L5.20-W5.20 2
10 HX712 U5,U5 SOP-14_L8.6-W3.9-P1.27-LS6.0-BL 2
11 DW01 Q1,Q1 SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BL 2
12 TP4056 CHIP U1,U1 ESOP-8_L4.9-W3.9-P1.27-LS6.0-BL-EP 2
13 10uF C9,C10,C9,C10 CAP-D3.0XF1.5 4
14 MICRO USB USB2,USB2 MICRO-USB-SMD_MICRO-USB-A7 2
15 0.1uF 0402 C6,C7,C8,C1,C2,C3,C4,C6,C7,C8,C1,C2,C3,C4 0402 14
16 REDLEDSMD LED1,LED1 LED-0805V2 2
17 GREENLEDSMD LED2,LED2 LED-0805V2 2
18 10K 0402 R9,R10,R11,R9,R10,R11 0402 6
19 200R 0402 R12,R13,R12,R13 0402 4
20 100R 0402 R14,R15,R4,R14,R15,R4 0402 6
21 0R 0402 R16,R8,R17,R16,R8,R17 0402 6
22 1.2k 0402 R1,R1 0402 2
23 1k 0402 R2,R3,R2,R3 0402 4
24 1K 0402 R5,R5 0402 2
25 820k 0402 R6,R6 0402 2
26 270k 0402 R7,R7 0402 2
27 8205A Q2,Q2 TSSOP-8_L4.4-W3.0-P0.65-LS6.4-BL 2

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