# ESP32\-S3 USB\-C microSD Board

## Description

ESP32\-S3\-WROOM\-1U\-N16R8 controller board with native USB\-C power/programming and a 3\.3 V SPI microSD card interface\.

## Project Details

- **Owner:** rustyturtle
- **Created:** 8/16/2026
- **Last Updated:** 8/29/2026
- **Visibility:** Public

## Key Components

### D1 — [SMF5\.0A](https://flux.ai/lcsc/smf5p0a~bz6b.md)

- Package or Case Code: SOD\-123FL\_L2\.8\-W1\.8\-LS3\.6\-RD
- Functional Group: USB Input
- JLCPCB Part Class: Extended Part
- Datasheet URL: https://www\.lcsc\.com/datasheet/C2990427\.pdf?spm=wm\.sxq\.inf\.ggs&lcsc\_vid=T1kIXgFeT1NaU1RXQFBbUlUHT1cKU1NXFVBeX1VSTlAxVlNRTlBbUVFXRldaXzsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D
- LCSC Part Number: C2990427
- Role: TVS Protection
- Part Type: TVS
- Max Reverse Voltage: 5V
- Manufacturer Name: Liown\(里阳半导体\)
- Manufacturer Part Number: SMF5\.0A
- Role Details: 5 V unidirectional TVS from protected VBUS to GND

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### F1 — [SMD1206P075TF/30](https://flux.ai/adrian95/smd1206p075tf30~aa.md)

- LCSC Part Number: C46970778
- Role: Input Protection
- Functional Group: USB Input
- Role Details: 0\.75 A hold PTC; sized above \~0\.48 A calculated worst\-case USB input peak
- Manufacturer Name: RUILON
- Manufacturer Part Number: SMD1206P075TF/30
- Datasheet URL: https://www\.lcsc\.com/datasheet/C46970778\.pdf
- Part Type: Fuse
- License: https://creativecommons\.org/licenses/by/4\.0/

**Pins:**
- P1 [pin 1]
- P2 [pin 2]

### J1 — [USB4105\-GF\-A](https://flux.ai/adrian95/usb4105-gf-a~im9.md)

- Functional Group: USB Input
- Part Type: USB C
- Role Details: USB 2\.0 device/sink power and native USB Serial/JTAG
- License: https://creativecommons\.org/licenses/by/4\.0/
- Symbol Style: parametric\-v1
- Manufacturer Name: GCT
- Manufacturer Name: GCT
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/c2c7fba82d64960d510c5688ccda39e92973a3ef64f0758ccd8dce8a07cbda76\.pdf
- Role: USB Connector
- Manufacturer Part Number: USB4105\-GF\-A

**Pins:**
- CC1 [pin A5]
- CC2 [pin B5]
- DN1 [pin A7]
- DN2 [pin B7]
- DP1 [pin A6]
- DP2 [pin B6]
- GND [pin A1\_B12]
- GND\_\_1 [pin B1\_A12]
- SBU1 [pin A8]
- SBU2 [pin B8]
- SHELL\_GND [pin SH1]
- SHELL\_GND\_\_1 [pin SH2]
- SHELL\_GND\_\_2 [pin SH3]
- SHELL\_GND\_\_3 [pin SH4]
- VBUS [pin A4\_B9]
- VBUS\_\_1 [pin B4\_A9]

### J2 — [MEM2090\-00\-145\-00\-A](https://flux.ai/silicon-yard/mem2090-00-145-00-a.md)

- Manufacturer Part Number: MEM2090\-00\-145\-00\-A
- Role: Memory Card Socket
- Role Details: microSD SPI socket with normally\-open card detect
- Functional Group: microSD Storage
- Part Type: Connector
- Manufacturer Name: GCT \(GLOBAL CONNECTOR TECHNOLOGY\)
- Symbol Style: parametric\-v1
- Datasheet URL: https://www\.mouser\.at/datasheet/2/837/mem2090\-3435332\.pdf
- Mount: Surface Mount

**Pins:**
- CD/DAT3 [pin 2]
- CLK [pin 5]
- CMD [pin 3]
- COM [pin 9]
- DAT0 [pin 7]
- DAT1 [pin 8]
- DAT2 [pin 1]
- GROUND\_1 [pin 10]
- GROUND\_2 [pin 11]
- GROUND\_3 [pin 12]
- GROUND\_4 [pin 13]
- GROUND\_5 [pin 14]
- GROUND\_6 [pin 15]
- VDD [pin 4]
- VSS [pin 6]

### PS1 — [TPS62162DSGR](https://flux.ai/silicon-yard/tps62162dsgr~2y.md)

- Manufacturer Part Number: TPS62162DSGR
- Functional Group: 3\.3V Power
- Part Type: Integrated Circuit
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/b5beb9ac9634ce184f93bc3ade9192e34823a6e92d7c7d655d687c0ad7b51297\.pdf
- Symbol Style: parametric\-v1
- Manufacturer Name: Texas Instruments
- Role: Buck Regulator
- Role Details: 3\.3 V rail, 1 A capacity; budgeted peak load about 0\.65 A

**Pins:**
- AGND [pin 4]
- EN [pin 3]
- EXP [pin 9]
- FB [pin 5]
- PG [pin 8]
- PGND [pin 1]
- SW [pin 7]
- VIN [pin 2]
- VOS [pin 6]

### SW1 — [TS\-1088\-AR02016](https://flux.ai/lcsc/ts-1088-ar02016~e3n1.md)

- Role Details: Momentary BOOT/download\-mode switch, GPIO0 to GND
- Functional Group: MCU Controls
- Role: Boot Button
- Manufacturer Name: XUNPU\(讯普\)
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/lcsc/2409302330\_XUNPU\-TS\-1088\-AR02016\_C720477\.pdf
- JLCPCB Part Class: Extended Part
- Manufacturer Part Number: TS\-1088\-AR02016
- Product Info Url: https://lcsc\.com/product\-detail/Tactile\-Switches\_XUNPU\-TS\-1088\-AR02016\_C720477\.html
- LCSC Part Number: C720477
- Part Type: Tactile Switches
- Package or Case Code: SW\-SMD\_L3\.9\-W3\.0\-P4\.45

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### SW2 — [TS\-1088\-AR02016](https://flux.ai/lcsc/ts-1088-ar02016~e3n1.md)

- Functional Group: MCU Controls
- Manufacturer Name: XUNPU\(讯普\)
- Role: Reset Button
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/lcsc/2409302330\_XUNPU\-TS\-1088\-AR02016\_C720477\.pdf
- Role Details: Momentary reset switch, EN to GND
- JLCPCB Part Class: Extended Part
- Manufacturer Part Number: TS\-1088\-AR02016
- Product Info Url: https://lcsc\.com/product\-detail/Tactile\-Switches\_XUNPU\-TS\-1088\-AR02016\_C720477\.html
- LCSC Part Number: C720477
- Part Type: Tactile Switches
- Package or Case Code: SW\-SMD\_L3\.9\-W3\.0\-P4\.45

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### U1 — [ESP32\-S3\-WROOM\-1U\-N16R8](https://flux.ai/adrian95/esp32-s3-wroom-1u-n16r8~1pb.md)

- Symbol Style: parametric\-v1
- Functional Group: MCU Core
- Manufacturer Name: Espressif Systems
- License: https://creativecommons\.org/licenses/by/4\.0/
- Datasheet URL: https://www\.espressif\.com/sites/default/files/documentation/esp32\-s3\-wroom\-1\_wroom\-1u\_datasheet\_en\.pdf
- Role: Microcontroller Module
- Manufacturer Part Number: ESP32\-S3\-WROOM\-1U\-N16R8
- Part Type: Module
- Role Details: Main controller; exact N16R8 external\-antenna variant

**Pins:**
- 3V3 [pin 2]
- EN [pin 3]
- GND [pin 41\_3]
- GND [pin 41\_6]
- GND [pin 41\_7]
- GND [pin 41\_5]
- GND [pin 41\_2]
- GND [pin 40]
- GND [pin 41\_1]
- GND [pin 1]
- GND [pin 41\_9]
- GND [pin 41\_8]
- GND [pin 41\_4]
- IO0 [pin 27]
- IO1 [pin 39]
- IO10 [pin 18]
- IO11 [pin 19]
- IO12 [pin 20]
- IO13 [pin 21]
- IO14 [pin 22]
- IO15 [pin 8]
- IO16 [pin 9]
- IO17 [pin 10]
- IO18 [pin 11]
- IO19 [pin 13]
- IO2 [pin 38]
- IO20 [pin 14]
- IO21 [pin 23]
- IO3 [pin 15]
- IO35 [pin 28]
- IO36 [pin 29]
- IO37 [pin 30]
- IO38 [pin 31]
- IO39 [pin 32]
- IO4 [pin 4]
- IO40 [pin 33]
- IO41 [pin 34]
- IO42 [pin 35]
- IO45 [pin 26]
- IO46 [pin 16]
- IO47 [pin 24]
- IO48 [pin 25]
- IO5 [pin 5]
- IO6 [pin 6]
- IO7 [pin 7]
- IO8 [pin 12]
- IO9 [pin 17]
- RXD0 [pin 36]
- TXD0 [pin 37]

### U2 — [TPD2E2U06DCKR](https://flux.ai/lcsc/tpd2e2u06dckr~6ori.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Manufacturer Name: TI\(德州仪器\)
- Manufacturer Part Number: TPD2E2U06DCKR
- Role: ESD Protection
- Role Details: 1\.5 pF typical USB data\-line ESD protection
- JLCPCB Part Class: Extended Part
- Part Type: TVS
- Package or Case Code: SC\-70\-3\_L2\.0\-W1\.3\-P0\.65\-LS2\.1\-BL
- Datasheet URL: https://www\.ti\.com/lit/ds/symlink/tpd2e2u06\.pdf?HQS=dis\-dk\-null\-digikeymode\-dsf\-pf\-null\-wwe&ts=1779250564192&ref\_url=https%253A%252F%252Fwww\.ti\.com%252Fgeneral%252Fdocs%252Fsuppproductinfo\.tsp%253FdistId%253D10%2526gotoUrl%253Dhttps%253A%252F%252Fwww\.ti\.com%252Flit%252Fgpn%252Ftpd2e2u06
- Functional Group: USB Input
- LCSC Part Number: C1855726

**Pins:**
- GND [pin 3]
- IO1 [pin 1]
- IO2 [pin 2]

*The full schematic, PCB layout, bill of materials, and interactive design are available at [https://flux\.ai/rustyturtle/esp32\-s3\-usb\-c\-microsd\-board\~ee](https://flux.ai/rustyturtle/esp32-s3-usb-c-microsd-board~ee).*

---

*Generated from [https://flux\.ai/rustyturtle/esp32\-s3\-usb\-c\-microsd\-board\~ee](https://flux.ai/rustyturtle/esp32-s3-usb-c-microsd-board~ee)*