daveismith/charge-bayCharge bay is an open-source printed circuit board by daveismith, from the daveismith/charge-bay repository on GitHub. It is a 4-layer board of 90 × 51.4 mm with 111 parts on 101 nets, routed with 879 tracks and 76 vias.
It is built around the RP2040, 74LVC2G241GS and TJA1051T/3/1, with the LP38691SD-3.3, MMBT3904 and BSS138 among its other parts. Its parts include 28 resistors, 26 diodes, 23 capacitors, 11 connectors and 8 transistors. It belongs with the RP2040 boards of this library.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 23 | LED | LED_THT:LED_D3.0mm | D1, D2, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23 +7 |
| 10 | 1K | Resistor_SMD:R_0402_1005Metric | R6, R7, R8, R9, R10, R13, R15, R16, R17, R27 |
| 9 | 100n | Capacitor_SMD:C_0402_1005Metric | C2, C10, C11, C14, C15, C16, C17, C19, C22 |
| 7 | 10K | Resistor_SMD:R_0402_1005Metric | R19, R22, R24, R25, R26, R28, R29 |
| 5 | 270 | Resistor_SMD:R_0603_1608Metric | R1, R2, R3, R4, R5 |
| 5 | MMBT3904 | Package_TO_SOT_SMD:SOT-23 | Q1, Q2, Q3, Q4, Q5 |
| 3 | 100n | Capacitor_SMD:C_0603_1608Metric | C9, C21, C23 |
| 3 | BSS138 | Package_TO_SOT_SMD:SOT-23 | Q6, Q7, Q8 |
| 3 | MountingHole_Pad | MountingHole:MountingHole_3.2mm_M3_DIN965_Pad_TopBottom | H1, H2, H3 |
| 2 | 15pF | Capacitor_SMD:C_0603_1608Metric | C3, C4 |
| 2 | 2.2uF | Capacitor_SMD:C_0402_1005Metric | C12, C20 |
| 2 | 27R | Resistor_SMD:R_0402_1005Metric | R11, R12 |
| 2 | 2u2 | Capacitor_SMD:C_0402_1005Metric | C1, C18 |
| 2 | 30pF | Capacitor_SMD:C_0603_1608Metric | C7, C8 |
| 2 | 47pF | Capacitor_SMD:C_0603_1608Metric | C5, C6 |
| 2 | 5.1K | Resistor_SMD:R_0402_1005Metric | R20, R21 |
| 2 | Conn_01x03_Pin | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J8, J10 |
| 2 | Conn_01x03_Pin | Connector_JST:JST_SH_BM03B-SRSS-TB_1x03-1MP_P1.00mm_Vertical | J3, J4 |
| 2 | Conn_01x05_Socket | Connector_PinSocket_2.54mm:PinSocket_1x05_P2.54mm_Vertical | J6, J11 |
| 2 | SW_Push | Button_Switch_SMD:SW_Push_1P1T_XKB_TS-1187A | SW1, SW2 |
| 2 | Screw_Terminal_01x04 | TerminalBlock_Phoenix:TerminalBlock_Phoenix_PT-1,5-4-3.5-H_1x04_P3.50mm_Horizontal | J2, J7 |
| 1 | 120R | Resistor_SMD:R_0402_1005Metric | R14 |
| 1 | 2.2uF | Capacitor_SMD:C_0603_1608Metric | C13 |
| 1 | 68R | Resistor_SMD:R_0402_1005Metric | R18 |
| 1 | 74LVC2G241 | Package_SO:VSSOP-8_2.3x2mm_P0.5mm | U7 |
| 1 | ABM8-272-T3 | Crystal:Crystal_SMD_Abracon_ABM8G-4Pin_3.2x2.5mm | Y2 |
| 1 | Conn_01x03_Pin | Connector_JST:JST_EH_B3B-EH-A_1x03_P2.50mm_Vertical | J9 |
| 1 | Conn_01x03_Pin | Connector_Molex:Molex_Micro-Latch_53253-0370_1x03_P2.00mm_Vertical | J5 |
| 1 | Crystal_GND24 | Crystal:Crystal_SMD_Abracon_ABM8G-4Pin_3.2x2.5mm | Y1 |
| 1 | D_Dual_CommonCathode_AAK_Parallel | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | D27 |
| 1 | LED | LED_SMD:LED_0603_1608Metric | D26 |
| 1 | LP38691SD-3.3 | Package_SON:WSON-6-1EP_3x3mm_P0.95mm | U4 |
| 1 | MCP2515-xST | Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm | U5 |
| 1 | PESD1CAN | Package_TO_SOT_SMD:SOT-23 | D24 |
| 1 | RP2040 | Package_DFN_QFN:QFN-56-1EP_7x7mm_P0.4mm_EP3.2x3.2mm | U1 |
| 1 | SolderJumper_2_Open | Jumper:SolderJumper-2_P1.3mm_Open_TrianglePad1.0x1.5mm | JP1 |
| 1 | SolderJumper_3_Bridged12 | Jumper:SolderJumper-3_P1.3mm_Bridged12_RoundedPad1.0x1.5mm | JP2 |
| 1 | TJA1051T-3 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U6 |
| 1 | USB_C_Receptacle_USB2.0 | Connector_USB:USB_C_Receptacle_G-Switch_GT-USB-7010ASV | J1 |
| 1 | W25Q16JVUXIQ TR | W25Q16JVUXIQ_TR:USON-8_UX_2x3x0p6_WIN | U2 |
It measures 90 × 51.4 mm and has 4 copper layers, 1.61 mm thick.
111 parts, built around the RP2040, 74LVC2G241GS, TJA1051T/3/1 and LP38691SD-3.3. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
From the daveismith/charge-bay repository on GitHub, at the commit this page was made from: the board is charge_bay.kicad_pcb and its schematic charge_bay.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask daveismith before reusing the design.
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