2 layers65 × 55 mm
4 layers29 × 58 mm
Mini esp32
serialx/mini-esp32Mini ESP32 Dev Board
- Size
- 29 × 58 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 43
- Nets
- 78
- Pads
- 204
- Tracks, vias
- 628, 132
- Pours
- 5
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 1 Nov 2020
- Updated
- 18 Mar 2021
Overview
Mini esp32 is an open-source printed circuit board by serialx, from the serialx/mini-esp32 repository on GitHub. It is a 4-layer board of 29 × 58 mm with 43 parts on 78 nets, routed with 628 tracks and 132 vias.
It is built around the CP2104EK, ESP32-WROOM-32E and RT9080-33GJ5, with the TP4056, TPS3839K33DBZR and B5819W among its other parts. Its parts include 11 capacitors, 10 resistors, 5 ICs, 4 diodes and 4 connectors. It belongs with the ESP32 boards of this library.
Main components
8CP2104EK
-- USB Conversion Modules ROHSSilicon LabsUSB Conversion Modules
ESP32-WROOM-32E
SMD,18x25.5mmSMD,18x25.5mm WiFi Modules ROHSEspressif SystemsWiFi Modules
RT9080-33GJ5
TSOT-23-5-40℃~+125℃@(Tj) 1 2uA 3.3V 360mV@(600mA) 42uVrms 5.5V 600mA 75dB@(1kHz) Fixed Over Current Protection、Over Temperature Protection、Enable Positive TSOT-23-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSRichtek TechVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
TP4056
ESOP-8-40℃~+85℃ 1 1A 35uA 4.2V 4V~6.5V Charging IC Lithium Battery Support Support 恒流充电、恒压充电、涓流充电、自动再充电、充电终止、可编程充电电流、软启动、欠压锁定 ESOP-8 Battery Management ROHSUMWBattery Management
TPS3839K33DBZR
SOT-23-40℃~+85℃ 1 150nA 2.93V 200ms 900mV~6.5V Active Low Push-pull Voltage monitor SOT-23 Supervisor and Reset ICs ROHSTexas InstrumentsSupervisor And Reset ICs
B5819W
SOD-123-55℃~+125℃ 1.5A 1mA@40V 25A 40V 600mV@1A Standalone SOD-123 Schottky Diodes ROHSMDDSchottky DiodesS8050
SOT-23-55℃~+150℃ 1 NPN 100MHz 100nA 120 25V 300mW 500mA 5V 600mV NPN SOT-23 Bipolar (BJT) ROHShongjiachengBipolar (BJT)AO3401A
SOT-231 P-Channel 14nC@10V 30V 47mΩ@10V、60mΩ@4.5V、85mΩ@2.5V 4A 55pF 645pF 80pF 900mV SOT-23 MOSFETs ROHSAlpha & Omega SemiconductorMOSFETs
Parts
43| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 100n | Capacitor_SMD:C_0402_1005Metric | C6, C8, C10, C15 |
| 4 | 1u | Capacitor_SMD:C_0402_1005Metric | C2, C3, C7, C9 |
| 4 | MountingHole_Pad | MountingHole:MountingHole_3mm | H1, H2, H3, H4 |
| 3 | 2.4k | Resistor_SMD:R_0603_1608Metric | R4, R9, R11 |
| 2 | 10k | Resistor_SMD:R_0402_1005Metric | R2, R10 |
| 2 | 10u | Capacitor_SMD:C_0603_1608Metric | C1, C5 |
| 2 | 1M | Resistor_SMD:R_0402_1005Metric | R5, R6 |
| 2 | 1k | Resistor_SMD:R_0402_1005Metric | R7, R8 |
| 2 | B5819W | Diode_SMD:D_SOD-123 | D1, D4 |
| 2 | Conn_01x18 | Connector_PinSocket_2.54mm:PinSocket_1x18_P2.54mm_Vertical | J5, J6 |
| 2 | S8050 | Package_TO_SOT_SMD:SOT-23 | Q2, Q3 |
| 1 | 100 @ 100 MHz | Inductor_SMD:L_0805_2012Metric | FB1 |
| 1 | 100k | Resistor_SMD:R_0402_1005Metric | R1 |
| 1 | 22u | Capacitor_SMD:C_0603_1608Metric | C4 |
| 1 | AO3401A | Package_TO_SOT_SMD:SOT-23 | Q1 |
| 1 | BAT | Connector_JST:JST_PH_B2B-PH-SM4-TB_1x02-1MP_P2.00mm_Vertical | J1 |
| 1 | BLUE | LED_SMD:LED_0603_1608Metric | D3 |
| 1 | CP2104 | Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mm | U4 |
| 1 | ESP32-WROOM-32E | RF_Module:ESP32-WROOM-32 | U1 |
| 1 | RED | LED_SMD:LED_0603_1608Metric | D2 |
| 1 | RESET | Button_Switch_SMD:SW_SPST_TL3342 | SW1 |
| 1 | RT9080-33GJ5 | Package_TO_SOT_SMD:TSOT-23-5 | U2 |
| 1 | TP4056 | Package_SO:SOP-8_3.9x4.9mm_P1.27mm | U3 |
| 1 | TPS3839K33DBZR | Package_TO_SOT_SMD:SOT-23 | U5 |
| 1 | USB_B_Micro | LCSC:USB_Micro-B_Jing-C10418-A01SB141B1-067 | J2 |
Questions
How big is the Mini esp32 PCB?
It measures 29 × 58 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Mini esp32 use?
43 parts, built around the CP2104EK, ESP32-WROOM-32E, RT9080-33GJ5 and TP4056. 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 Mini esp32 KiCad files?
From the serialx/mini-esp32 repository on GitHub, at the commit this page was made from: the board is mini-esp32.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Mini esp32 design in my own project?
Its repository states no licence, so its author keeps all rights: ask serialx before reusing the design.
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