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4 layers52 × 52 mmHot plate controller, the printed circuit board in 3D

Hot plate controller

Angelo13C/hot-plate

It's based on an STM32F730R8T6. The board receives stable 24V from an external power supply unit and requires around 10A of current.

Size
52 × 52 mm
Copper layers
4
Thickness
1.6 mm
Parts
84
Nets
77
Pads
289
Tracks, vias
577, 93
Pours
1
Routed
Yes
KiCad
KiCad 7 (file 20221018)
Created
29 Dec 2023
Updated
29 May 2024

Overview

Hot plate controller is an open-source printed circuit board by Angelo13C, from the Angelo13C/hot-plate repository on GitHub. It is a 4-layer board of 52 × 52 mm with 84 parts on 77 nets, routed with 577 tracks and 93 vias.

It is built around the STM32F730R8T6, USBLC6-2SC6 and AON7524, with the MCU45P04-TP and SK510A-LTP among its other parts. Its parts include 21 capacitors, 21 connectors, 19 resistors, 6 diodes and 3 ICs. It belongs with the STM32 boards of this library.

Main components

5

README

electronics/controller/README.md

Electronics

This is the electrical control board on which the firmware runs.

It's based on an STM32F730R8T6. The board receives stable 24V from an external power supply unit and requires around 10A of current.

On the board there's a switching regulator that converts the 24V to 3.3V, which is used by: thermistors, display, MLX90614 and microcontroller.

Schematic

This is the electrical schematic of the board:

Schematic

PCB

The PCB (dimensions: 52mm x 52mm) has 4 layers (PWR/SIGNAL, GND, GND, PWR/SIGNAL). This is an image of the top layer:

image

Parts

84
QtyValueFootprintReferences
8100nFProject:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC1, C2, C3, C4, C5, C6, C12, C18
64.7KΩProject:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR4, R13, R14, R15, R17, R18
43.3μFProject:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC17, C19, C20, C21
310KΩProject:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR9, R11, R16
310μFProject:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC14, C15, C16
32.2KΩProject:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR5, R6, R12
3GREENProject:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolderD2, D3, D4
2300ΩProject:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR8, R10
230pFProject:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC9, C10
24.7μFProject:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC7, C8
25.1KΩProject:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR1, R2
2AON7524Project:DFN-8-1EP_3x3mm_P0.65mm_EP1.55x2.4mmQ1, Q2
2SW_PushProject:SW_LS38J2F-TSW1, SW2
10.1μFProject:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC11
1100KΩProject:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR19
110μHProject:HPC 5040NF-100ML1
112AProject:Fuse_1206_3216Metric_Pad1.42x1.75mm_HandSolderF1
12.7KΩProject:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR3
147ΩProject:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR7
147μFProject:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC13
1500mAProject:Fuse_1206_3216Metric_Pad1.42x1.75mm_HandSolderF2
18MHzProject:Crystal_HC49-4H_VerticalY1
1AP63203WU-7Project:AP63203WU-7_DIOU3
1Board_ThermistorProject:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderTH1
1D_ZenerProject:D_SOD-123D5
1Display_ConnectorProject:PinHeader_1x14_P2.54mm_VerticalJ2
1Extra_PA10Project:PinHeader_1x01_P2.54mm_VerticalJ14
1Extra_PA8Project:PinHeader_1x01_P2.54mm_VerticalJ12
1Extra_PA9Project:PinHeader_1x01_P2.54mm_VerticalJ13
1Extra_PB8Project:PinHeader_1x01_P2.54mm_VerticalJ18
1Extra_PB9Project:PinHeader_1x01_P2.54mm_VerticalJ19
1Extra_PC10Project:PinHeader_1x01_P2.54mm_VerticalJ15
1Extra_PC11Project:PinHeader_1x01_P2.54mm_VerticalJ16
1Extra_PC12Project:PinHeader_1x01_P2.54mm_VerticalJ17
1Extra_PC14Project:PinHeader_1x01_P2.54mm_VerticalJ20
1Extra_PC15Project:PinHeader_1x01_P2.54mm_VerticalJ21
1Extra_PC8Project:PinHeader_1x01_P2.54mm_VerticalJ10
1Extra_PC9Project:PinHeader_1x01_P2.54mm_VerticalJ11
1Fan_ConnectorProject:PinHeader_1x02_P2.54mm_VerticalJ4
1Hot_Plate_ConnectorProject:TERM_BLK_2POS_SIDE_ENTRY_5MM_691137710002J3
1MCU45P04-TPProject:TO-252-2Q3
1MLX90614_ConnectorProject:PinHeader_1x04_P2.54mm_VerticalJ5
1Power_Supply_ConnectorProject:PinHeader_1x02_P2.54mm_VerticalJ8
1REDProject:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolderD1
1SK510A-LTPProject:SMADO-214AC_LEAD-FRAME_MCC-LD6
1STM32F730R8T6Project:LQFP-64_10x10mm_P0.5mmU1
1SWD_ConnectorProject:PinHeader_1x06_P2.54mm_VerticalJ9
1Thermistor_1_ConnectorProject:PinHeader_1x02_P2.54mm_VerticalJ6
1Thermistor_2_ConnectorProject:PinHeader_1x02_P2.54mm_VerticalJ7
1USBLC6-2SC6Project:SOT-23-6_HandsolderingU2
1USB_C_Receptacle_USB2.0Project:USB_C_Receptacle_GCT_USB4085J1

The 80 most common of 84 parts.

Questions

How big is the Hot plate controller PCB?

It measures 52 × 52 mm and has 4 copper layers, 1.6 mm thick.

What parts does the Hot plate controller use?

84 parts, built around the STM32F730R8T6, USBLC6-2SC6, AON7524 and MCU45P04-TP. 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.

Where can I download the Hot plate controller KiCad files?

From the Angelo13C/hot-plate repository on GitHub, at the commit this page was made from: the board is electronics/controller/hot-plate-controller.kicad_pcb and its schematic electronics/controller/hot-plate-controller.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Hot plate controller design in my own project?

Its repository states no licence, so its author keeps all rights: ask Angelo13C before reusing the design.

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