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4 layers97.5 × 90.6 mmESP S3-CP-24 Platform, the printed circuit board in 3D

ESP32-S3 Development Board with SD-Card and versatile power management 5V and up to 12V

Size
97.5 × 90.6 mm
Copper layers
4
Thickness
1.6 mm
Parts
193
Nets
160
Pads
613
Tracks, vias
2,002, 206
Pours
4
Routed
Yes
KiCad
KiCad 5 (file 20171130)
Created
18 Jan 2022
Updated
4 Apr 2022

Overview

ESP S3-CP-24 Platform is an open-source printed circuit board by WhirlingBits, from the WhirlingBits/ESP32-S3-Platform repository on GitHub, published under the MIT licence. It is a 4-layer board of 97.5 × 90.6 mm with 193 parts on 160 nets, routed with 2,002 tracks and 206 vias.

It is built around the ESP32-S3-WROOM-1-N8, CP2102N-A02-GQFN24 and DM3AT-SF-PEJM5, with the PESD15VW1BCSFYL, BAT760-7 and SKRTLAE010 among its other parts. Its parts include 114 resistors, 25 capacitors, 19 diodes, 9 connectors and 3 ICs. It belongs with the ESP32 boards of this library.

Main components

7

README

README.md

ESP_Platform_Schematic

Description

Schematics of basic ESP32-S3-WROOM platform with versatile power management for 12V and 5V supply and microSD card slot. The board offers 2 USB-C receptables, one connecting to a USB-2-UART converter (CP2102) feeding the genuine UART0 on ESP32-S3 and another directly connecting to the ESP32-S3's USB OTG port.

Power Management

The board may be powered by one of the USB ports (VBUS) or with an external power supply connected via BarrelJack. So altogether there are 3 possible sources of power, USB (PGM), USB (Data) and Ext. To prevent any currents flowing from the source with higher voltage to a source with lower voltage Schotty diodes with low treshold have been implemented.

Thanx to the buck/boost capability of the LTC3111 used the external power input voltage may supply a voltage between 3..15V.

Alternatively it is possible to use an external battery controller (e.g. Sparkfun Babysitter) which is connected on J5 whereas J5.4 (+5VD) will be the input for the controller and J5.1,2 the output.

Wifi/BT module from Espressif

For the module we have chosen an ESP32-S3-WROOM-1 from Espressif with 8MByte serial FLASH and 8MByte PSRAM (suffix -N8R8). ESP32-S3 is more powerful than classical ESP32-D0WD as its using Dual Core Tensilica LX7 with an augmented instruction set supporting low level calculations for CNN processing (tinyML). For precision of all time related processes there's an clock crystal (32kHz) assembled.

PCB-3D-View

And this is the real board: PCB Mounted Board

CAE System

Schematics and Layout have been developed using KiCAD 5.x version. You may just download the complete repository to a folder inside your KiCAD project directories to start using it.

Parts

193
QtyValueFootprintReferences
3722RResistor_SMD:R_0402_1005MetricR49, R50, R51, R52, R53, R54, R55, R56, R57, R58, R59, R60, R61, R62, R63, R64 +21
240RResistor_SMD:R_0805_2012MetricR2, R3, R19, R37, R39, R40, R41, R102, R103, R107, R108, R109, R110, R111, R112, R113 +8
12PESD15VW1BCSFYLDiode_SMD:D_SOD-523D5, D6, D7, D8, D9, D10, D14, D15, D16, D17, D18, D19
1010kResistor_SMD:R_0805_2012MetricR34, R35, R48, R106, R114, R115, R116, R117, R118, R119
80.1uF, 50VCapacitor_SMD:C_0805_2012MetricC2, C3, C5, C8, C15, C18, C21, C25
75k1Resistor_SMD:R_0805_2012MetricR14, R26, R27, R28, R29, R88, R101
60R1Resistor_SMD:R_1210_3225MetricR11, R12, R13, R25, R30, R32
65k1 (DNP)Resistor_SMD:R_0805_2012MetricR86, R87, R89, R100, R104, R105
422RResistor_SMD:R_0805_2012MetricR44, R45, R46, R47
4LTST-C191KRKT (Red)LED_SMD:LED_0603_1608MetricD1, D3, D4, D13
4M3-L5-3.5MountingHole:MountingHole_3.2mm_M3_Pad_ViaH1, H2, H3, H4
31M (DNP)Resistor_SMD:R_0805_2012MetricR4, R5, R16
31kResistor_SMD:R_0805_2012MetricR9, R10, R38
31uF, 16VCapacitor_SMD:C_0805_2012MetricC7, C10, C14
34.7uF, 25VCapacitor_SMD:C_0805_2012MetricC16, C17, C19
3BAT760-7Diode_SMD:D_SOD-323D2, D11, D12
212pF, 50VCapacitor_SMD:C_0805_2012MetricC22, C23
222uF, 10VCapacitor_SMD:C_0805_2012MetricC24, C26
247uF, 22VCapacitor_SMD:C_0805_2012MetricC4, C6
2Conn_01x22 (DNP)Connector_PinHeader_2.54mm:PinHeader_1x22_P2.54mm_VerticalJ2, J3
2ESP-PowerTestPoint:TestPoint_Pad_2.0x2.0mmTP6, TP12
2SKRTLAE010SKRTLAE010:SW_Push_1P1T-MP_NO_Horizontal_Alps_SKRTLAE010SW1, SW2
2SS8050-GPackage_TO_SOT_SMD:SOT-23Q1, Q2
2USB4110-GF-A_REVBUSB4110-GF-A_REVB:GCT_USB4110-GF-A_REVBJ7, J8
1+12VTestPoint:TestPoint_Pad_2.0x2.0mmTP7
1+5VDTestPoint:TestPoint_Pad_2.0x2.0mmTP5
10.1uF, 50V (DNP)Capacitor_SMD:C_0805_2012MetricC1
10R (DNP)Resistor_SMD:R_0805_2012MetricR18
1100uF, 6,3VCapacitor_SMD:C_0805_2012MetricC13
110k (DNP)Resistor_SMD:R_0805_2012MetricR36
110uH - SLF7032T-100M1R4-2PFInductor_SMD:L_TDK_SLF7032L1
111,5kResistor_SMD:R_0805_2012MetricR20
11500pCapacitor_SMD:C_0805_2012MetricC11
11MResistor_SMD:R_0805_2012MetricR15
11k5Resistor_SMD:R_0805_2012MetricR24
11k8Resistor_SMD:R_0805_2012MetricR1
122kResistor_SMD:R_0805_2012MetricR93
122pCapacitor_SMD:C_0805_2012MetricC9
1261kResistor_SMD:R_0805_2012MetricR23
12k2Resistor_SMD:R_0805_2012MetricR31
13V3TestPoint:TestPoint_Pad_2.0x2.0mmTP9
141,2kResistor_SMD:R_0805_2012MetricR17
143kResistor_SMD:R_0805_2012MetricR33
147pCapacitor_SMD:C_0805_2012MetricC12
149R9Resistor_SMD:R_0805_2012MetricR21
15.6MResistor_SMD:R_0805_2012MetricR90
1845kResistor_SMD:R_0805_2012MetricR22
1CP2102N-A02-GQFN24Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mmU2
1Conn_02x02_Top_BottomConnector_PinHeader_2.54mm:PinHeader_2x02_P2.54mm_VerticalJ5
1Conn_02x02_Top_Bottom (DNP)Connector_PinHeader_2.54mm:PinHeader_2x02_P2.54mm_VerticalJ6
1Conn_02x05_Odd_EvenConnector_PinHeader_1.27mm:PinHeader_2x05_P1.27mm_Vertical_SMDJ1
1DM3AT-SF-PEJM5HRS_DM3AT-SF-PEJM5J9
1ESP32-S3-WROOM-1Espressif:ESP32-S3-WROOM-1U3
1Ext Voltage 12VTestPoint:TestPoint_Pad_2.0x2.0mmTP8
1LTC3111EMSEPBFPackage_SO:MSOP-16-1EP_3x4.039mm_P0.5mm_EP1.651x2.845mm_ThermalViasU1
1PJ-002AH-SMT-TR (Barrel Jack)Connector_BarrelJack:BarrelJack_CLIFF_FC681465S_SMT_HorizontalJ4
1T_IO45TestPoint:TestPoint_Pad_2.0x2.0mmTP2
1T_IO46TestPoint:TestPoint_Pad_2.0x2.0mmTP1
1T_IO6TestPoint:TestPoint_Pad_2.0x2.0mmTP4
1T_IO7TestPoint:TestPoint_Pad_2.0x2.0mmTP3
1USB Vltge #2TestPoint:TestPoint_Pad_2.0x2.0mmTP11
1USB VoltageTestPoint:TestPoint_Pad_2.0x2.0mmTP10
1VDD33TestPoint:TestPoint_Pad_2.0x2.0mmTP13
1XTAL 32,678kHz (C20S-12.5PF20PPM)SC20DS125:SC20S125PF20PPMY1

Questions

How big is the ESP S3-CP-24 Platform PCB?

It measures 97.5 × 90.6 mm and has 4 copper layers, 1.6 mm thick.

What parts does the ESP S3-CP-24 Platform use?

193 parts, built around the ESP32-S3-WROOM-1-N8, CP2102N-A02-GQFN24, DM3AT-SF-PEJM5 and PESD15VW1BCSFYL. 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 ESP S3-CP-24 Platform KiCad files?

From the WhirlingBits/ESP32-S3-Platform repository on GitHub, at the commit this page was made from: the board is ESP_S3-CP-24_Platform.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the ESP S3-CP-24 Platform design in my own project?

Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

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