T20260928 PCB TEST
About the T20260928 PCB TEST
T20260928 PCB TEST is an open source PIC PCB design by jamyang838, published on GitHub. It is a 2-layer board measuring 100 × 75 mm, with 87 components from 49 distinct parts.
Its main chip is the PIC16F18325-I/SL, from the PIC family. Other key parts include the TLV9061IDBVR, LM4040DIM3-2.5/NOPB, SN74LVC1G08DBVR, SN74LVC1G00DBVR and SN74LVC1G17DBVR. By type, the board carries 33 resistors, 25 capacitors, 7 ICs, 7 diodes, 6 transistors and 6 connectors.
From the project
USB-C 5 V 供電的恆流脈衝驅動器。電流 0.05–1.0 A、寬度 20–500 µs、 頻率 16–2000 Hz 全部由 MCU 控制：SW1 切換電流預設檔，或接上 UART 主控台（走 ICSP 接頭）下指令即時調整，設定存 EEPROM。 韌體強制工作週期 ≤10 %。預設 200 Hz / 200 µs / 100 mA。
USB-C 5 V 供電的恆流脈衝驅動器。電流 0.05–1.0 A、寬度 20–500 µs、 頻率 16–2000 Hz 全部由 MCU 控制：SW1 切換電流預設檔，或接上 UART 主控台（走 ICSP 接頭）下指令即時調整，設定存 EEPROM。 韌體強制工作週期 ≤10 %。預設 200 Hz / 200 µs / 100 mA。
只要 output/pictestgerbers.zip。下單參數（最便宜的標準製程即可）：
代工貼片另附 output/pictestBOM.csv（52 行，含 MPN）與 output/pictestCPLjlcpcb.csv`（86 個貼片位置）。 R18 為 DNP，不上件（R19/C16 消振自 rev A4 起實裝）。座標原點在板子左下角，三種檔案一致。
恆流環（不變） — U1 驅動 Q1，使 R17（0.20 Ω）壓降等於 ISET： ILD = V(ISET) / 0.20 Ω`，Kelvin 取樣。
Main components on the T20260928 PCB TEST
T20260928 PCB TEST bill of materials (BOM)
87 components, 49 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TLV9061IDBVR | SOT-23-5 | U1 |
| 1 | LM4040DIM3-2.5/NOPB LM4040DBZ-2.5 | SOT-23 | U2 |
| 1 | SN74LVC1G08DBVR 74LVC1G08 | SOT-23-5 | U3 |
| 1 | SN74LVC1G00DBVR 74LVC1G00 | SOT-23-5 | U4 |
| 1 | PIC16F18325-I/SL | SOIC-14_3.9x8.7mm_P1.27mm | U5 |
| 2 | SN74LVC1G17DBVR 74LVC1G17 | SOT-23-5 | U6, U7 |
| 1 | IRLR8726TRPBF IRLR8726PbF | TO-252-3_TabPin2 | Q1 |
| 3 | NX3008NBK,215 NX3008NBK | SOT-23 | Q3, Q6, Q7 |
| 1 | AO3401A | SOT-23 | Q4 |
| 1 | 2N7002-7-F 2N7002 | SOT-23 | Q5 |
| 1 | USB4125-03-0170-C USB-C 5V IN | USB_C_Receptacle_GCT_USB4125-xx-x_6P_TopMnt_Horizontal | J1 |
| 1 | - 5V ALT IN | PinHeader_1x02_P2.54mm_Vertical | J2 |
| 1 | MKDS 1,5/2-5,08 LD OUT | TerminalBlock_Phoenix_MKDS-1,5-2-5.08_1x02_P5.08mm_Horizontal | J3 |
| 1 | PT 1,5/2-3,5-H INTERLOCK | TerminalBlock_Phoenix_PT-1,5-2-5.0-H_1x02_P5.00mm_Horizontal | J4 |
| 1 | - ICSP | PinHeader_1x05_P2.54mm_Vertical | J5 |
| 1 | - TRIG/SYNC | PinHeader_1x03_P2.54mm_Vertical | J6 |
| 1 | - MODE | PinHeader_1x02_P2.54mm_Vertical | JP1 |
| 1 | - RUN/STOP | SW_PUSH_6mm | SW1 |
| 1 | SS14 | D_SMA | D1 |
| 1 | 19-217/GHC-YR1S2/3T GREEN | LED_0805_2012Metric | D2 |
Show 29 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 19-217/R6C-AL1M2VY/3T RED | LED_0805_2012Metric | D3 |
| 1 | 19-217/Y2C-CQ2R2L/3T YELLOW | LED_0805_2012Metric | D4 |
| 1 | SMAJ5.0A | D_SMA | D5 |
| 1 | MMSZ5240B-7-F 10V | D_SOD-123 | D7 |
| 1 | BAT54T1G BAT54 | D_SOD-123 | D8 |
| 1 | BLM21PG600SN1D 600R@100M 2A | L_0805_2012Metric | FB1 |
| 1 | UPW1A681MPD 680u/10V | CP_Radial_D10.0mm_P5.00mm | C1 |
| 1 | UPW1A221MPD 220u/10V | CP_Radial_D8.0mm_P3.50mm | C2 |
| 2 | CL21A226MAQNNNE 22u/16V | C_0805_2012Metric | C3, C5 |
| 12 | CL21B104KBCNNNC 100n | C_0805_2012Metric | C4, C6, C8, C10, C12, C13, C18, C19 +4 |
| 3 | CL21B105KBFNNNE 1u | C_0805_2012Metric | C7, C9, C14 |
| 2 | CL21B102KBANNNC 1n | C_0805_2012Metric | C11, C20 |
| 1 | CL21B222KBANNNC 2n2 | C_0805_2012Metric | C15 |
| 1 | CL21B473KBANNNC 47n | C_0805_2012Metric | C16 |
| 1 | CL21B103KBANNNC 10n | C_0805_2012Metric | C17 |
| 1 | CL21A106KPFNNNE 10u/10V X5R | C_0805_2012Metric | C22 |
| 2 | RC0805FR-075K1L 5k1 | R_0805_2012Metric | R1, R2 |
| 1 | RC0805FR-074R7L 4R7 | R_0805_2012Metric | R3 |
| 10 | RC0805FR-071KL 1k | R_0805_2012Metric | R4, R7, R8, R9, R12, R14, R29, R32 +2 |
| 3 | RC0805FR-07100KL 100k | R_0805_2012Metric | R5, R27, R34 |
| 1 | RC0805FR-0718KL 18k | R_0805_2012Metric | R10 |
| 1 | RC0805FR-072KL 2k0 1% | R_0805_2012Metric | R11 |
| 8 | RC0805FR-0710KL 10k | R_0805_2012Metric | R13, R21, R23, R24, R25, R28, R30, R31 |
| 2 | RC0805FR-07100RL 100R | R_0805_2012Metric | R15, R20 |
| 1 | PE2512FKE070R20L 0R20 1% 1W | R_2512_6332Metric | R17 |
| 1 | - DNP | R_2512_6332Metric | R18 |
| 1 | RC1206FR-0722RL 22R | R_1206_3216Metric | R19 |
| 1 | RC1206FR-072KL 2k | R_1206_3216Metric | R26 |
| 1 | RC0805FR-07470RL 470R | R_0805_2012Metric | R36 |
T20260928 PCB TEST design files
The KiCad project lives in the jamyang838/T20260928_PCB_TEST repository on GitHub; these links point at the commit this page was built from.
- Layoutpic_test.kicad_pcb
- Schematicpic_test.kicad_sch
- BOMoutput/pic_test_BOM.csv
T20260928 PCB TEST: common questions
What microcontroller does the T20260928 PCB TEST use?
The T20260928 PCB TEST is built around the PIC16F18325-I/SL, from the PIC family.
How big is the T20260928 PCB TEST?
The T20260928 PCB TEST measures 100 × 75 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the T20260928 PCB TEST?
87 components, from 49 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the T20260928 PCB TEST design files?
From the jamyang838/T20260928_PCB_TEST repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the T20260928 PCB TEST design in my own project?
The repository has no license, so all rights stay with jamyang838. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the T20260928 PCB TEST without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug PIC firmware against it before you order a PCB.
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