

Pre thermal throttle pcb
PCB Design Team for MK2
- Size
- 113.1 × 98.8 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 72
- Nets
- 90
- Pads
- 314
- Tracks, vias
- 337, 43
- Pours
- 7
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 5 Feb 2023
- Updated
- 5 Mar 2023
Overview
Pre thermal throttle pcb is an open-source printed circuit board by Princeton-Racing-Electric, from the Princeton-Racing-Electric/Thermal-Throttle repository on GitHub. It is a 2-layer board of 113.1 × 98.8 mm with 72 parts on 90 nets, routed with 337 tracks and 43 vias.
It is built around the ESP32-DEVKITC-VE, MAX3485CSA and SN65HVD230D, with the MCP3008-I/P, ADR02BRZ-REEL7 and BMI088 among its other parts. Its parts include 25 capacitors, 14 resistors, 10 ICs and 4 connectors. It belongs with the ESP32 boards of this library.
Main components
6ESP32-DEVKITC-VE
-- WiFi Modules ROHSEspressif SystemsWiFi ModulesMAX3485CSA
SOIC-80℃~+70℃ 1 1 10Mbps 32 3V~3.6V Enable shutdown、Overcurrent Protection、Thermal shutdown protection、Low-power mode、Tx/Rx enable Half-Duplex Transceiver SOIC-8 RS-485 / RS-422 ICsMaxim Integrated (Analog Devices)RS-485 / RS-422 ICsSN65HVD230D
SOIC-8-40℃~+85℃ 1 17mA 1Mbps 370uA 3V~3.6V CAN Transceiver Low-power mode、Wake-up function、ESD protection、Thermal shutdown protection、Bus fault protection、Hot-swap protection SOIC-8 CAN Transceivers ROHSTexas InstrumentsCAN TransceiversMCP3008-I/P
PDIP-16-40℃~+85℃ 1.35MHz~3.6MHz 10 1LSB 2.7V~5.5V 200kHz 5nA 61dB 8 Multiplexers SAR SPI Yes PDIP-16 Analog to Digital Converters (ADC) ROHSMicrochip TechnologyAnalog To Digital Converters (ADC)ADR02BRZ-REEL7
SOIC-8-40℃~+125℃@(Ta) 10mA 10uVp-p 3ppm/℃ 5V 7V~36V Fixed Series ±0.06% SOIC-8 Voltage Reference ROHSAnalog DevicesVoltage ReferencesBMI088
LGA-16(3x4.5)-40℃~+85℃ Accelerometer Gyroscope LGA-16(3x4.5) Accelerometers ROHSBosch SensortecAccelerometers
README
README.mdThermal Throttle PCB repo
(for VCU team)
Pics

Parts
72| Qty | Value | Footprint | References |
|---|---|---|---|
| 25 | 100 nF | Capacitor_SMD:C_0805_2012Metric | C1, C2, C10, C11, C12, C13, C14, C15, C16, C17, C18, C19, C20, C21, C22, C23 +9 |
| 4 | 1.2K | Resistor_SMD:R_0805_2012Metric | R7, R8, R9, R10 |
| 4 | 130R | Resistor_SMD:R_0805_2012Metric | R3, R5, R12, R14 |
| 4 | ADR02BRZ-REEL7 | ADR02BRZ:SOIC127P600X175-8N | IC2, IC3, IC4, IC5 |
| 4 | MountingHole_Pad | MountingHole:MountingHole_3mm_Pad_Via | H1, H2, H3, H4 |
| 4 | PTFM102 Thermistor | Connector_JST:JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | TH1, TH2, TH3, TH4 |
| 3 | 10K | Resistor_SMD:R_0805_2012Metric | R1, R4, R13 |
| 3 | 1uF | Capacitor_SMD:C_0805_2012Metric | CREGin1, CREGin2, CREGin3 |
| 2 | 100nF | Capacitor_SMD:C_0805_2012Metric | CREGboot1, CREGinx1 |
| 2 | 120R | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P15.24mm_Horizontal | R2, R6 |
| 2 | RJHSE-5381-ND | Connector_RJ:RJ45_Amphenol_RJHSE538X | J1, J4 |
| 1 | 100k | Resistor_SMD:R_0805_2012Metric | RREGfbt1 |
| 1 | 1M | Resistor_SMD:R_0805_2012Metric | R11 |
| 1 | 22.1k | Resistor_SMD:R_0805_2012Metric | RREGfbb1 |
| 1 | 47uF | Capacitor_SMD:C_0805_2012Metric | CREGout1 |
| 1 | 6uH SRP1265A-6R0M | libraries:L_Bourns_SRP1260A | LREG1 |
| 1 | BMI088 | bmi088:PQFN50P450X300X100-16N | U2 |
| 1 | ESP32-DevKitC | Espressif:ESP32-DevKitC | U5 |
| 1 | LMR51420XFDDCR | LMR51420XFDDCR:SOT95P280X110-6N | IC1 |
| 1 | LOGO | pre_logo:pre_logo_big | G2 |
| 1 | LOGO | pre_logo:pre_logo_medium | G1 |
| 1 | MAX3485CSA | libraries:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.81mm_ThermalVias | U3 |
| 1 | MCP3008 | Package_DIP:DIP-16_W7.62mm | U4 |
| 1 | Motor Throttle Connector | Connector_JST:JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J3 |
| 1 | SN65HVD230 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U1 |
| 1 | STEERING | Connector_JST:JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J2 |
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Questions
How big is the Pre thermal throttle pcb PCB?
It measures 113.1 × 98.8 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Pre thermal throttle pcb use?
72 parts, built around the ESP32-DEVKITC-VE, MAX3485CSA, SN65HVD230D and MCP3008-I/P. 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 Pre thermal throttle pcb KiCad files?
From the Princeton-Racing-Electric/Thermal-Throttle repository on GitHub, at the commit this page was made from: the board is pre-thermal-throttle-pcb.kicad_pcb and its schematic original-sch/12V_5V_converter.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Pre thermal throttle pcb design in my own project?
Its repository states no licence, so its author keeps all rights: ask Princeton-Racing-Electric before reusing the design.