Thermostat bridge control board
About the Thermostat bridge control board
Thermostat bridge control board is an open source STM32 PCB design by Lucasmnascimento94, published on GitHub. It is a 4-layer board measuring 183.6 × 139.6 mm, with 285 components from 48 distinct parts.
Its main chip is the STM32H563ZITX, from the STM32 family. Other key parts include the LM2596S-3.3, FT232RL and AMS1117-3.3. By type, the board carries 132 resistors, 43 capacitors, 41 LEDs, 36 ICs, 13 connectors and 8 transistors.
Main components on the Thermostat bridge control board
Thermostat bridge control board bill of materials (BOM)
285 components, 48 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | STM32H563ZITX STM32H563ZITx | LQFP-144_20x20mm_P0.5mm | U1 |
| 32 | ~ | TLP241B | U2, U5, U6, U7, U8, U9, U10, U11 +24 |
| 1 | LM2596S-3.3 | TO-263-5_TabPin3 | U3 |
| 1 | FT232RL | SSOP-28_5.3x10.2mm_P0.65mm | U4 |
| 1 | AMS1117-3.3 | SOT-223-3_TabPin2 | U36 |
| 4 | NMOS-IRLML6344TRPBF | IRLML6344TRPbF | Q1, Q4, Q6, Q8 |
| 4 | PMOS-SSM3J332R,LF | IRLML6344TRPbF | Q2, Q3, Q5, Q7 |
| 1 | 26MHZ 26MHz | Crystal_SMD_3225-4Pin_3.2x2.5mm_HandSoldering | Y1 |
| 1 | ZONE1 | TerminalBlock_4Ucon_1x09_P3.50mm_Vertical | J1 |
| 1 | OLED | TerminalBlock_Xinya_XY308-2.54-7P_1x07_P2.54mm_Horizontal | J2 |
| 1 | ZONE2 | TerminalBlock_4Ucon_1x09_P3.50mm_Vertical | J3 |
| 1 | ZONE3 | TerminalBlock_4Ucon_1x09_P3.50mm_Vertical | J4 |
| 1 | ZONE4 | TerminalBlock_4Ucon_1x09_P3.50mm_Vertical | J5 |
| 1 | USB_A | USB_B_Lumberg_2411_02_Horizontal | J6 |
| 1 | ZONE1_TSTAT | TerminalBlock_4Ucon_1x02_P3.50mm_Vertical | J7 |
| 1 | ZONE2_TSTAT | TerminalBlock_4Ucon_1x02_P3.50mm_Vertical | J8 |
| 2 | ZONE3_TSTAT | TerminalBlock_4Ucon_1x02_P3.50mm_Vertical | J9, J10 |
| 1 | CONN_01X14_PIN Conn_01x14_Pin | TerminalBlock_Xinya_XY308-2.54-14P_1x14_P2.54mm_Horizontal | J11 |
| 1 | PJ-102A CUI Inc. | BarrelJack_Horizontal | J15 |
| 1 | USB_C_PLUG_USB2.0 USB_C_Plug_USB2.0 | USB_C_Receptacle_HCTL_HC-TYPE-C-16P-01A | P1 |
Show 28 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | CONN_02X10_ODD_EVEN Conn_02x10_Odd_Even | IDC-Header_2x10_P2.54mm_Vertical | JTAG1 |
| 1 | SW_DIP_X01 SW_DIP_x01 | SW_DIP_SPSTx01_Piano_10.8x4.1mm_W7.62mm_P2.54mm | SW1 |
| 6 | SW_Push | TerminalBlock_MaiXu_MX126-5.0-02P_1x02_P5.00mm | SW2, SW3, SW4, SW5, SW6, SW7 |
| 41 | LED | LED_0603_1608Metric | FRX1, FTX1, PWR1, SOF_LED1, VDDUSB_LED1, Z1AUX1, Z1E1, Z1G1 +33 |
| 1 | D_SCHOTTKY | D_TUMD2 | D1 |
| 1 | 120R | L_0603_1608Metric | FB2 |
| 1 | 68UH | L_Bourns-SRN6028 | L1 |
| 20 | 0.1U | C_0402_1005Metric | C1, C2, C3, C4, C5, C6, C7, C8 +12 |
| 2 | 4.7U 4.7u | C_0603_1608Metric | C13, C65 |
| 1 | 1000U | CP_Radial_D10.0mm_P5.00mm | C15 |
| 1 | 470U | CP_Radial_D8.0mm_P3.80mm | C16 |
| 1 | 220U | CP_Radial_D10.0mm_P5.00mm | C18 |
| 6 | 1u | C_0603_1608Metric | C20, C21, C23, C24, C46, C47 |
| 2 | 10P 10p | C_0402_1005Metric | C27, C32 |
| 2 | 2.2U 2.2u | C_0402_1005Metric | C28, C29 |
| 4 | 100N 100n | C_0402_1005Metric | C44, C64, C66, C67 |
| 2 | 47PF 47pf | C_0402_1005Metric | C60, C63 |
| 2 | 22U | C_0805_2012Metric | C61, C62 |
| 32 | 500 | R_0402_1005Metric | R1, R5, R6, R7, R8, R10, R11, R12 +24 |
| 7 | 4.7K | R_0402_1005Metric | R2, R3, R4, R129, R130, R131, R132 |
| 4 | 200 | R_0402_1005Metric | R9, R30, R31, R127 |
| 4 | 200K | R_0402_1005Metric | R13, R59, R86, R120 |
| 39 | 10K | R_0402_1005Metric | R14, R16, R17, R19, R21, R23, R25, R27 +31 |
| 36 | 1K | R_0402_1005Metric | R15, R18, R20, R22, R24, R28, R32, R35 +28 |
| 1 | 4K7 4k7 | R_0402_1005Metric | R26 |
| 4 | 30K | R_0402_1005Metric | R88, R90, R92, R118 |
| 4 | 4K | R_0402_1005Metric | R89, R91, R93, R119 |
| 1 | 5.1K | R_0402_1005Metric | R126 |
Thermostat bridge control board design files
The KiCad project lives in the Lucasmnascimento94/T_BRIDGE repository on GitHub; these links point at the commit this page was built from.
Thermostat bridge control board: common questions
What microcontroller does the Thermostat bridge control board use?
The Thermostat bridge control board is built around the STM32H563ZITX, from the STM32 family.
How big is the Thermostat bridge control board?
The Thermostat bridge control board measures 183.6 × 139.6 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Thermostat bridge control board?
285 components, from 48 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 Thermostat bridge control board design files?
From the Lucasmnascimento94/T_BRIDGE 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 Thermostat bridge control board design in my own project?
The repository has no license, so all rights stay with Lucasmnascimento94. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Thermostat bridge control board without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug STM32 firmware against it before you order a PCB.
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