# Semantic Azure Warp Drive ## Description ESP32-Based Sensor Board with Advanced Power Management ## Project Details - **Owner:** adriangispert - **Created:** 10/9/2025 - **Last Updated:** 10/9/2025 - **Visibility:** Public - **System Architecture:** ``` flowchart LR USB_C["USB-C CC & Overcurrent Protection"] Charger["Li-ion Charger & Power-Path Management"] ESP32["ESP32 Module"] LEDs["LED Indicators"] Prog["Programming/Test Interface"] USB_C --> Charger Charger --> ESP32 Charger --> LEDs ESP32 --> Prog ``` ## Key Components ### D1 — [DSK34](https://www.flux.ai/lcsc/dsk34~3n2l.md) - Diode Type: Schottky Diode - Role: Protection - Manufacturer Name: FMS(美丽微) - Part Type: Schottky Barrier Diodes (SBD) - Forward Voltage: 0.35V - LCSC Part Number: C143186 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1809211346_FMS-Formosa-Microsemi-DSK34_C143186.pdf - Manufacturer Part Number: DSK34 - JLCPCB Part Class: Extended Part - Package or Case Code: SOD-123_L2.8-W1.8-LS3.7-RD - Role Details: Reverse-current protection diode on USB-C input - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_DSK34_C143186.html - Reverse Voltage: 40V **Pins:** - 1 [pin 1] - 2 [pin 2] ### F1 — [0805L110WR](https://www.flux.ai/adrian95/0805l110wr~h3i.md) - Part Type: Fuse - Role: Protection - Role Details: Overcurrent protection device between J1 VBUS and U2 VAC - Manufacturer Part Number: 0805L110WR - Manufacturer Name: Littelfuse Inc. - Datasheet URL: https://www.littelfuse.com/media?resourcetype=datasheets&itemid=3b1fa5dc-24aa-4363-b543-edb057c2fffa&filename=littelfuse_ptc_0805l_datasheet.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Current Rating: 1.1A - Package or Case Code: FUSC2214X85N **Pins:** - P1 [pin 1] - P2 [pin 2] ### J1 — [USB-C 2.0 Receptacle](https://www.flux.ai/corynrobinson/usb-c-20-receptacle~cf.md) - Part Type: USB C - Datasheet URL: https://gct.co/files/drawings/usb4105.pdf - Purchase Url: https://www.digikey.com/en/products/detail/gct/USB4105-GF-A/11198441 - Manufacturer Name: GTC - Role Details: USB-C power input connector - Role: Interface - Package or Case Code: USB-SMD - Manufacturer Part Number: USB4105-GF-A **Pins:** - CC1 [pin 6] - CC2 [pin 12] - D- [pin 9] - D- [pin 7] - D+ [pin 10] - D+ [pin 8] - GND [pin 15] - GND [pin 1] - GND [pin 16] - GND [pin 2] - SBU1 [pin 11] - SBU2 [pin 5] - VBUS [pin 14] - VBUS [pin 13] - VBUS [pin 4] - VBUS [pin 3] ### J2 — [0901301106](https://www.flux.ai/adrian95/0901301106~t1x.md) - Package or Case Code: SHDR6W65P254_2X3_996X975X1110P - Role: Connector - Manufacturer Part Number: 0901301106 - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://tools.molex.com/pdm_docs/sd/901301106_sd.pdf - Manufacturer Name: Molex - Role Details: Programming/Test pads for ESP32 (6-pin 2.54 mm header) **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] ### J3 — [61300411121](https://www.flux.ai/adrian95/61300411121~pw9.md) - License: https://creativecommons.org/licenses/by/4.0/ - Role: Connector - Part Type: Connector - Package or Case Code: HDRV4W95P0X254_1X4_1016X254X854P - Manufacturer Part Number: 61300411121 - Manufacturer Name: Wurth Elektronik - Role Details: Sensor header for external sensor connections (3.3V, GND, SDA, SCL) - Datasheet URL: https://www.we-online.com/components/products/datasheet/61300411121.pdf **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### J4 — [1769](https://www.flux.ai/adrian95/1769~p1w.md) - Manufacturer Name: Adafruit Industries - License: https://creativecommons.org/licenses/by/4.0/ - Role: Connector - Datasheet URL: https://www.verical.com/datasheet/adafruit-headers---pcb-receptacles-1769-4576025.pdf - Manufacturer Part Number: 1769 - Role Details: Battery connector for single-cell Li-ion (JST-PH 2-pin) - Part Type: Connector **Pins:** - 1 [pin 1] - 2 [pin 2] ### LED1 — [150060VS55040](https://www.flux.ai/adrian95/150060vs55040~c2q.md) - License: https://creativecommons.org/licenses/by/4.0/ - Role: LED - Role Details: Power status indicator (green) - Part Type: LED - Manufacturer Name: Würth Elektronik - Datasheet URL: https://www.we-online.com/components/products/datasheet/150060VS55040.pdf - Current: 0.01A - Manufacturer Part Number: 150060VS55040 **Pins:** - A [pin 2] - K [pin 1] ### LED2 — [KT-0603R](https://www.flux.ai/adrian95/kt-0603r~7c.md) - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_1810231112_Hubei-KENTO-Elec-KT-0603R_C2286.pdf - Current: 0.01A - Manufacturer Name: Hubei KENTO Elec - Role Details: Charge status indicator (red) - Role: LED - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: KT-0603R - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### U1 — [ESP32-DEVKIT-V1](https://www.flux.ai/jharwinbarrozo/esp32-devkit-v1~7xd.md) - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf - Package or Case Code: MODULE_ESP32_DEVKIT_V1 - Symbol Style: Parametric - Part Type: Module - Manufacturer Name: Espressif Systems - Role Details: Main MCU with integrated Wi-Fi and Bluetooth - Manufacturer Part Number: ESP32-DEVKIT-V1 - Operating Voltage: 3.3V **Pins:** - 3V3 [pin 1] - D12 [pin 27] - D13 [pin 28] - D14 [pin 26] - D15 [pin 3] - D18 [pin 9] - D19 [pin 10] - D2 [pin 4] - D21 [pin 11] - D22 [pin 14] - D23 [pin 15] - D25 [pin 23] - D26 [pin 24] - D27 [pin 25] - D32 [pin 21] - D33 [pin 22] - D34 [pin 19] - D35 [pin 20] - D4 [pin 5] - D5 [pin 8] - EN [pin 16] - GND [pin 2] - GND_1 [pin 29] - RX0 [pin 12] - RX2 [pin 6] - TX0 [pin 13] - TX2 [pin 7] - VIN [pin 30] - VN [pin 18] - VP [pin 17] ### U2 — [BQ25750](https://www.flux.ai/tima/bq25750~r4.md) - Current: 0.4A - 20A - Role Details: Single-cell Li-ion charger with integrated power-path management - Operating Voltage: 5V - Datasheet URL: https://www.ti.com/lit/ds/symlink/bq25750.pdf?ts=1722747231201&ref_url=https%253A%252F%252Fwww.ti.com%252Fproduct%252FBQ25750%253Fbm-verify%253DAAQAAAAJ_____xavQICyghxurJ8h0MdmBt-6yCgzPu3CqYoVVtuqwDXce0eDfnOvkMLPkddc3wzYm1Q1D4_lEXQi_59PzlCKGXEyu25rTOaGwfObZ4oHttDUK5uM6lzDQnJgUXRpKd9vkXn7r32wjhqrGXq2I1oN9hja0B8q_D6egvZ53aiZP3_o87AE-9itXVcK-8eWK5eA1cJUHiZfy1YUVIc3fhEdpjp7l02Utm3k18wV927sWDsngU5ldBKqrlVeoNrwCXAUeY1s29V61lsrupHxWsiS6UVgMHIueq3Uc3K8HL_bBvfhqu8 - Connectivity: I2C - Role: Power Management - Package or Case Code: VQFN36_RRV_TEX - Purchase Url: https://www.ti.com/product/BQ25750?bm-verify=AAQAAAAJ_____zxRvj-aoQBOSpiNoJewyZT3vSMQ4fs-qKCB0fTXHEIQQLjhvqvGUy9QVwHofE6JQ0IzygYjaKwpXQSyI1dW3sGWOi4OWDiSUk3H4j7xewdQc_eW3dOuRvuuFRFchyKfbEKlLpWjDv1XS4hDhYxyEmIFl5R6XGIv9nRw_kENUdiZbExDCJ2RcUcgMsVqDz3kWQgs-Y7G5E25SFfLEiTd2LBSCGj6yRE-Hw30EqPnruQ_X_0-aIwG6QNWsE3qLWgcH658Zb9mxpWgSm8Ntya-QzwnSBWIWKwtD8KeMgIyuy5l#all **Pins:** - _CE [pin 7] - _INT [pin 3] - _PG [pin 6] - ACDRV [pin 31] - ACN [pin 29] - ACOV [pin 35] - ACP [pin 30] - ACUV [pin 34] - BAT DRV [pin 15] - BAT SRC [pin 16] - BTST1 [pin 26] - BTST2 [pin 20] - DRV_SUP [pin 23] - FB [pin 12] - FBG [pin 11] - FSW_SYNC [pin 36] - HIDRV1 [pin 27] - HIDRV2 [pin 19] - ICHG [pin 9] - ILIM_HIZ [pin 10] - LODRV1 [pin 25] - LODRV2 [pin 21] - PGND [pin 17] - PGND [pin 22] - REGN [pin 24] - SCL [pin 1] - SDA [pin 2] - SRN [pin 13] - SRP [pin 14] - STAT1 [pin 4] - STAT2 [pin 5] - SW1 [pin 28] - SW2 [pin 18] - SYS [pin 32] - THEM_GND - TS [pin 8] - VAC [pin 33] ### U3 — [TPS25751SRSMR](https://www.flux.ai/3xalted0n3/tps25751srsmr~zv.md) - Operating Voltage: 5V - Manufacturer Part Number: TPS25751SRSMR - Package or Case Code: QFN40P400X400X100-33N-D - Role: Protection - Role Details: USB-C CC negotiation and overcurrent load switch - Datasheet URL: https://www.ti.com/lit/ds/symlink/tps25751.pdf - Manufacturer Name: Texas Instruments **Pins:** - ~{I2CC_IRQ} [pin 17] - ~{I2CT_IRQ} [pin 10] - ADCIN1 [pin 2] - ADCIN2 [pin 3] - CC1 [pin 24] - CC2 [pin 25] - GATE_VBUS [pin 21] - GATE_VSYS [pin 20] - GND_1 [pin 11] - GND_2 [pin 12] - GND_3 [pin 14] - GND_4 [pin 33] - GPIO0 [pin 5] - GPIO1 [pin 6] - GPIO11 [pin 13] - GPIO2 [pin 7] - GPIO3 [pin 18] - GPIO4/USB_P/LD1 [pin 22] - GPIO5/USB_N/LD2 [pin 23] - GPIO6 [pin 31] - GPIO7 [pin 30] - I2CC_SCL [pin 16] - I2CC_SDA [pin 15] - I2CT_SCL [pin 9] - I2CT_SDA [pin 8] - LDO_1V5 [pin 4] - LDO_3V3 [pin 1] - PP5V_1 [pin 28] - PP5V_2 [pin 29] - VBUS_1 [pin 26] - VBUS_2 [pin 27] - VIN_3V3 [pin 32] - VSYS [pin 19] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/adriangispert/semantic-azure-warp-drive~h8](https://www.flux.ai/adriangispert/semantic-azure-warp-drive~h8).* --- *Generated from [https://www.flux.ai/adriangispert/semantic-azure-warp-drive~h8](https://www.flux.ai/adriangispert/semantic-azure-warp-drive~h8)*