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2.The process supports design scales of 300 devices or 1000 pads

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STD Cell_Tester

License: Public Domain

Mode: Editors' pick

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Update time: 2024-03-26 07:23:05
Creation time: 2022-07-03 08:29:26
Description

The main idea of this tester is no external power supply.

This concept allow to cascade testers to battery with any cell count.
Tester have its own OLED display.
Step Up pump need to power the operational amplifier.
Measurment of Amper/Hours of battery implemented with load current up to 10 Amps. Maximum load current can be limited with buttons control. After test, the tester go to sleep to save battery power and wake up by button pressing. Measurement result is stored to EEPROM memory.

Design Drawing
schematic diagram
1 /
PCB
1 /
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ID Name Designator Footprint Quantity JLCPCB Part Class
1 100nF C1,C2,C5,C7,C9 C0603 5 CL10F104ZB8NNNC
2 2n2 C3 C0603 1 CL10F104ZB8NNNC
3 2.2uF C6,C10,C11 C0603 3 CL10F104ZB8NNNC
4 10uF C8 C0805 1 CC0805KRX7R9BB822
5 BAT54S D1 SOT-23-3_L2.9-W1.6-P1.90-LS2.8-BR 1 BAT54SLT1G
6 BZX84C12 D3 SOT-23-3_L2.9-W1.6-P1.90-LS2.8-BR 1 BZX84C12
7 1N5819 D4 SOD-323_L1.8-W1.3-LS2.5-RD 1 1N5819WS_C440261
8 UK-B0205-G5-160-W DWN,OK,UP SW-TH_L6.0-W3.3-P6.50 3 UK-B0205-G5-160-W
9 Fan J1 HDR-M-2.54_1X2 1 HDR-M-2.54_1x2
10 ICSP J2 ICSP 1 HDR-M-2.54_1x5
11 Relay J3 HDR-M-2.54_1X1 1 HDR-M-2.54_1x1
12 Pwr J4 HDR-M-2.54_1X2 1 HDR-M-2.54_1x2
13 Midl J5 HDR-M-2.54_1X1 1 HDR-M-2.54_1x1
14 22uH L1 CD32 22UH 1 CD32YP0302-2R2M
15 LED RED! LED1 LED0603_RED 1 LED-0603_R
16 IRFZ44 Q1,Q3 TO-220 HOR 2 IRFZ44NPBF
17 AO3434 Q2 SOT-23-3_L2.9-W1.6-P1.90-LS2.8-BR 1 AO3434
18 BC847C Q4 SOT-23-3_L2.9-W1.6-P1.90-LS2.8-BR 1 BC847C
19 UMW2N7002B Q5 SOT-23-3_L2.9-W1.6-P1.90-LS2.8-BR 1 UMW2N7002B
20 0.005 R1 CURRENT SHUNT 1225 1 2512_SHUNT_R003
21 330 R2,R20 R0603 2 R_0603_EU
22 1k R3,R4,R9,R23,R25,R26 R0603 6 R_0603_EU
23 220k R5,R11 R0603 2 R_0603_EU
24 4k7 % R6,R13,R19 R0603 3 R_0603_EU
25 11k % R7 R0603 1 R_0603_EU
26 33k R8 R0603 1 R_0603_EU
27 13k % R10,R12,R16,R21 R0603 4 R_0603_EU
28 3k3 % R14 R0603 1 R_0603_EU
29 8k2 % R15,R40 R0603 2 R_0603_EU
30 10k 3950 Al R17 NTC MF58_DO-35 1 MF52A103H3950(A1)
31 10k 3950 Tr R18 NTC MF52 1 MF52A103H3950(A1)
32 INA181A1 U1 SOT-23-6_L2.9-W1.6-P0.95-LS2.8-TL 1 INA181A1IDBVR
33 TS5205CX533 RFG U2 SOT-23-5_L3.0-W1.5-P0.95-LS2.8-BL 1 TS5205CX533 RFG
34 24C02 U4 SOIC-8_L4.9-W3.9-P1.27-LS6.0-TR 1 24C02/TR
35 PIC24FJ16GA002-IML U7 QFN-ML28 1 PIC24FJ16GA002-IML
36 OLED_0.96 U8 OLED_0.96 1 OLED_0.96
37 LM358DR U3 SOIC-8_L4.9-W3.9-P1.27-LS6.0-TR 1 LM358DR 1

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