A1185 BMS Board
About the A1185 BMS Board
A1185 BMS Board is an open source PCB design by the-electron-vault, published on GitHub. It is a 4-layer board measuring 69.4 × 23.1 mm, with 172 components from 47 distinct parts.
Other key parts include the BQ29312ARTHR, BQ29401PW and BQ20Z80DBT. By type, the board carries 51 test points, 49 resistors, 37 capacitors, 10 transistors, 7 diodes and 5 connectors.
It belongs with the power & battery designs in this gallery.
Main components on the A1185 BMS Board
A1185 BMS Board bill of materials (BOM)
172 components, 47 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | BQ29312ARTHR Texas Instruments | VQFN-24-0.5-CH | U1 |
| 1 | BQ29401PW Texas Instruments | TSSOP-8 | U2 |
| 1 | BQ20Z80DBT Texas Instruments | TSSOP-38-0.5 | U3 |
| 1 | AO3406 Alpha & Omega Semiconductor Inc. | SOT-23 | Q1 |
| 2 | TPC8107 UMW | SOIC-8 | Q2, Q3 |
| 2 | MMBT3906LT1G ON Semiconductor | SOT-23 | Q4, Q6 |
| 5 | 2N7002K-T1-GE3 Vishay Siliconix | SOT-23 | Q5, Q7, Q8, Q9, Q10 |
| 1 | BATT-TERM-POS - | BATT-TERM-POS | J1 |
| 2 | CONN-1x1-0.6MM-TH - | TH-0.6MM-1x1 | J2, J3 |
| 1 | BATT-TERM-NEG - | BATT-TERM-NEG | J4 |
| 1 | A1185 BLADE RCPT Apple | A1185-BLADE-RECEPTACLE | J5 |
| 1 | D6X 12A Schott | D6X | F1 |
| 1 | JUMPER-NO | JUMPER-NO | JP1 |
| 5 | HSMG-C110 Broadcom | HSMx-C110 | LD1, LD2, LD3, LD4, LD5 |
| 2 | CONN-1x2-2MM-SMT - | SMT-2MM-1x2 | RT1, RT2 |
| 1 | APTCLGTV APEM | APTCLGTV | S1 |
| 51 | TP | TP-SMT | TP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8 +43 |
| 3 | 1SS355VMTE-17 Rohm Semiconductor | SOD-323F | D1, D4, D5 |
| 1 | RB751V-40TE-17 Rohm Semiconductor | SOD-323F | D2 |
| 1 | UDZVTE-1733B Rohm Semiconductor | SOD-323F | D3 |
Show 27 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | UDZVTE-1718B Rohm Semiconductor | SOD-323F | D6 |
| 1 | MMBZ5V6ALT1G ON Semiconductor | SOT-23 | D7 |
| 4 | CL10B104KB8NNWC 100nF Samsung | MLCC-0603 | C1, C7, C13, C37 |
| 14 | GCM155R71C104KA55J 100nF Murata | MLCC-0402 | C2, C3, C4, C8, C9, C14, C15, C19 +6 |
| 1 | GRM21BR71C475KE51K 4.7uF Murata | MLCC-0805 | C5 |
| 7 | CL21B105KAFNNNE 1uF Samsung | MLCC-0805 | C6, C10, C21, C25, C33, C34, C36 |
| 6 | KAM05AR71A474KH 470nF Kyocera | MLCC-0402 | C11, C12, C16, C17, C30, C32 |
| 2 | CL05C680JB5NNNC 68pF Samsung | MLCC-0402 | C18, C27 |
| 1 | CL05C151JB5NNNC 150pF Samsung | MLCC-0402 | C26 |
| 1 | CL10B473KB8NNNC 47nF Samsung | MLCC-0603 | C29 |
| 1 | GRM155R71H222KA01D 2.2nF Murata | MLCC-0402 | C31 |
| 9 | RCA0603100RFKEA 100 Vishay Dale | RES-0603 | R1, R2, R3, R4, R14, R24, R28, R31 +1 |
| 4 | RCA060310R0FKEA 10 Vishay Dale | RES-0603 | R5, R11, R21, R36 |
| 4 | CRCW04021K00FKED 1k Vishay Dale | RES-0402 | R6, R7, R8, R34 |
| 1 | RCA0603100KFKEA 100k Vishay Dale | RES-0603 | R9 |
| 5 | CRCW0402100KFKED 100k Vishay Dale | RES-0402 | R10, R17, R18, R35, R37 |
| 2 | CRCW04028K45FKED 8.45k Vishay Dale | RES-0402 | R12, R19 |
| 3 | CRCW040261K9FKED 61.9k Vishay Dale | RES-0402 | R13, R20, R33 |
| 3 | CRCW0402220KFKED 220k Vishay Dale | RES-0402 | R15, R22, R23 |
| 1 | CRCW0402100RFKED 100 Vishay Dale | RES-0402 | R16 |
| 9 | CRCW04021M00FKED 1M Vishay Dale | RES-0402 | R25, R30, R38, R39, R40, R41, R43, R44 +1 |
| 1 | RLM25FEER005 5m TA-I Tech | RES-2512 | R26 |
| 2 | CRCW04025K10FKED 5.1k Vishay Dale | RES-0402 | R27, R29 |
| 1 | CRCW040215K0FKED 15k Vishay Dale | RES-0402 | R42 |
| 2 | CRCW0805100RFKEA 100 Vishay Dale | RES-0805 | R46, R47 |
| 1 | CRCW0402130RFKED 130 Vishay Dale | RES-0402 | R48 |
| 1 | CRCW040210K0FKED 10k Vishay Dale | RES-0402 | R49 |
A1185 BMS Board design files
The KiCad project lives in the the-electron-vault/Apple repository on GitHub; these links point at the commit this page was built from.
A1185 BMS Board: common questions
How big is the A1185 BMS Board?
The A1185 BMS Board measures 69.4 × 23.1 mm, has 4 copper layers and is 0.84 mm thick.
How many components are on the A1185 BMS Board?
172 components, from 47 distinct parts. The full bill of materials is listed on this page.
Where can I download the A1185 BMS Board design files?
From the the-electron-vault/Apple repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the A1185 BMS Board design in my own project?
The repository has no license, so all rights stay with the-electron-vault. Use it as a reference, and ask the author before reusing the design.
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