# USB Power Analyzer V1 uTDr ## Description Analizador USB con RP2040, INA226 y TPS2553 para medir voltaje, corriente y potencia, controlar electrónicamente el puerto bajo prueba y mostrar alarmas/estado en OLED, LEDs y buzzer. ## Project Details - **Owner:** yankiel1504 - **Created:** 8/5/2026 - **Last Updated:** 8/5/2026 - **Visibility:** Public ## Key Components ### BZ1 — [CPT-9019S-SMT-TR](https://www.flux.ai/jecstronic/cpt-9019s-smt-tr~c1x.md) - Role: Buzzer - License: https://creativecommons.org/licenses/by/4.0/ - Functional Group: User Interface - Datasheet URL: https://www.cuidevices.com/product/resource/cpt-9019s-smt-tr.pdf - Manufacturer Part Number: CPT-9019S-SMT-TR - Part Type: Buzzer - Manufacturer Name: CUI Devices - Role Details: Transductor piezo 3 V con manejo por transistor desde RP2040 **Pins:** - 1 [pin 1] - 2 [pin 2] ### D1 — [USBLC6-2SC6](https://www.flux.ai/vasy_skral/usblc6-2sc6~g1b.md) - Functional Group: USB Input & ESD - LCSC Part Number: C7519 - Part Type: Protection - Datasheet URL: https://www.st.com/content/ccc/resource/technical/document/datasheet/06/1d/48/9c/6c/20/4a/b2/CD00050750.pdf/files/CD00050750.pdf/jcr:content/translations/en.CD00050750.pdf - Manufacturer Name: STMicroelectronics - Role Details: Protección ESD de USB D+/D- entre entrada y salida - Role: ESD Protection - License: https://creativecommons.org/licenses/by/4.0/ - Symbol Style: parametric-v1 - Manufacturer Part Number: USBLC6-2SC6 **Pins:** - GND [pin 2] - I/O1 [pin 6] - I/O1 [pin 1] - I/O2 [pin 3] - I/O2 [pin 4] - VBUS [pin 5] ### D2 — [LTST-C190KRKT](https://www.flux.ai/adrian95/ltst-c190krkt~3pw.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: LTST-C190KRKT - Functional Group: User Interface - Role Details: LED rojo para FAULT/ERROR - Part Type: LED - Manufacturer Name: Lite-On Inc. - Datasheet URL: https://optoelectronics.liteon.com/upload/download/DS-22-99-0151/LTST-C190KRKT.pdf - Role: Status LED **Pins:** - A [pin 2] - K [pin 1] ### D3 — [SML-D13FWT86C](https://www.flux.ai/cherepanyadima/sml-d13fwt86c.md) - Manufacturer Part Number: SML-D13FWT86C - Role: Status LED - Functional Group: User Interface - Role Details: LED verde para POWER/PORT ON - Part Type: Optoelectronic Devices - Manufacturer Name: Rohm Semiconductor - Datasheet URL: https://www.snapeda.com/parts/SML-D13FWT86C/Rohm%20Semiconductor/datasheet/ **Pins:** - 1 [pin 1] - 2 [pin 2] ### D4 — [SML-LX2832YC-TR](https://www.flux.ai/cherepanyadima/sml-lx2832yc-tr.md) - Package or Case Code: SMD - Manufacturer Name: Lumex - Mount: Surface Mount - Part Type: LED - Datasheet URL: https://www.onlinecomponents.com/en/datasheet/smllx2832yctr-11696133/ - Functional Group: User Interface - Role Details: LED amarillo para HOST/STATUS - Role: Status LED - Manufacturer Part Number: SML-LX2832YC-TR **Pins:** - ~ [pin 2] - ~ [pin 1] ### F1 — [1812L300MR](https://www.flux.ai/lcsc/1812l300mr~a0s.md) - Functional Group: 2A Power Path - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Resettable Fuses - Product Info Url: https://lcsc.com/product-detail/Surface-Mount-Fuses_Littelfuse_1812L300MR_Self-recovery-3A-6VDC_C127824.html - Manufacturer Part Number: 1812L300MR - Manufacturer Name: Littelfuse(美国力特) - Role: Protection - LCSC Part Number: C127824 - JLCPCB Part Class: Extended Part - Datasheet URL: https://www.littelfuse.com/assetdocs/resettable-ptcs-1812l-datasheet?assetguid=ca5c80cb-504e-4a8a-8e74-0107520a1717 - Role Details: PTC 3A hold / ~6A trip en entrada USB 5V para carga objetivo 2A con margen - Package or Case Code: F1812 **Pins:** - 1 [pin 1] - 2 [pin 2] ### J1 — [1734028-1](https://www.flux.ai/vasyl/1734028-1~nn9.md) - Manufacturer Part Number: 1734028-1 - Part Type: Connector - Manufacturer Name: TE Connectivity AMP Connectors - Role: USB Input Connector - Role Details: Entrada USB-A 5 V y D+/D- desde host - Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=1734028&DocType=Customer+Drawing&DocLang=English - Functional Group: USB Input & ESD **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] ### J2 — [USB type A](https://www.flux.ai/vasyl/usb-type-a~j7.md) - Datasheet URL: https://www.snapeda.com/parts/61400416021/Wurth%20Electronics/datasheet/ - Functional Group: 2A Power Path, USB Output - Manufacturer Part Number: USB type A - Part Type: USB Connectors - Role: USB Output Connector - Role Details: Salida USB-A controlada hacia dispositivo bajo prueba - Manufacturer Name: CNC Tech **Pins:** - D- [pin 2] - D+ [pin 3] - GND [pin 4] - VBUS [pin 1] ### J3 — [Pin Header 01x04 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x04-254mm-vertical~l97.md) - Role: Connector - Role Details: USB firmware/service header: 5V, D-, D+, GND para RP2040 Stamp - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Functional Group: Firmware USB Header **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] ### Q1 — [MMBT3904](https://www.flux.ai/vasy_skral/mmbt3904~tsj.md) - Manufacturer Part Number: MMBT3904 - Role Details: Driver low-side para buzzer desde GPIO RP2040 - Functional Group: User Interface - Role: Driver - Manufacturer Name: MDD - Part Type: Transistor - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/NextGen%20Components%20PDFs/MMBT3904.pdf **Pins:** - B [pin 1] - C [pin 3] - E [pin 2] ### SW1 — [TS-1088-AR02016](https://www.flux.ai/lcsc/ts-1088-ar02016~e3n1.md) - Role: User Button - LCSC Part Number: C720477 - Functional Group: User Interface - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302330_XUNPU-TS-1088-AR02016_C720477.pdf - Part Type: Tactile Switches - Role Details: Botones ▲, ▼ y OK; OK largo = volver - Manufacturer Part Number: TS-1088-AR02016 - Manufacturer Name: XUNPU(讯普) - Product Info Url: https://lcsc.com/product-detail/Tactile-Switches_XUNPU-TS-1088-AR02016_C720477.html - JLCPCB Part Class: Extended Part - Package or Case Code: SW-SMD_L3.9-W3.0-P4.45 **Pins:** - 1 [pin 1] - 2 [pin 2] ### SW2 — [TS-1088-AR02016](https://www.flux.ai/lcsc/ts-1088-ar02016~e3n1.md) - LCSC Part Number: C720477 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302330_XUNPU-TS-1088-AR02016_C720477.pdf - Role Details: Botones ▲, ▼ y OK; OK largo = volver - Part Type: Tactile Switches - Manufacturer Name: XUNPU(讯普) - Manufacturer Part Number: TS-1088-AR02016 - Functional Group: User Interface - Product Info Url: https://lcsc.com/product-detail/Tactile-Switches_XUNPU-TS-1088-AR02016_C720477.html - JLCPCB Part Class: Extended Part - Package or Case Code: SW-SMD_L3.9-W3.0-P4.45 - Role: User Button **Pins:** - 1 [pin 1] - 2 [pin 2] ### SW3 — [TS-1088-AR02016](https://www.flux.ai/lcsc/ts-1088-ar02016~e3n1.md) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302330_XUNPU-TS-1088-AR02016_C720477.pdf - Part Type: Tactile Switches - Role Details: Botones ▲, ▼ y OK; OK largo = volver - Role: User Button - LCSC Part Number: C720477 - Functional Group: User Interface - Manufacturer Name: XUNPU(讯普) - Manufacturer Part Number: TS-1088-AR02016 - Package or Case Code: SW-SMD_L3.9-W3.0-P4.45 - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/Tactile-Switches_XUNPU-TS-1088-AR02016_C720477.html **Pins:** - 1 [pin 1] - 2 [pin 2] ### U1 — [RP2040 Stamp](https://www.flux.ai/vasyl/rp2040-stamp~39q.md) - Role: MCU - Part Type: Module - Manufacturer Part Number: rp2040 stamp - Datasheet URL: https://www.solder.party/docs/rp2040-stamp/rp2040_stamp_datasheet.pdf - Role Details: Controla medición INA226, OLED, botones, LEDs, buzzer y switch protegido - Manufacturer Name: Pimoroni Ltd - Functional Group: RP2040 Control **Pins:** - 3.3V - 5V - BOOTSEL - GND - GPIO0 - GPIO1 - GPIO10 - GPIO11 - GPIO12 - GPIO13 - GPIO14 - GPIO15 - GPIO16 - GPIO17 - GPIO18 - GPIO19 - GPIO2 - GPIO20 - GPIO21 - GPIO22 - GPIO23 - GPIO24 - GPIO25 - GPIO26 - GPIO27 - GPIO28 - GPIO29 - GPIO3 - GPIO4 - GPIO5 - GPIO6 - GPIO7 - GPIO8 - GPIO9 - RESET - SWCLK - SWDIO - USB D- - USB D+ - VBAT ### U2 — [TPS2559DRCR](https://www.flux.ai/lcsc/tps2559drcr~adj9.md) - LCSC Part Number: C206199 - Manufacturer Name: TI(德州仪器) - Functional Group: 2A Power Path - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2410010332_Texas-Instruments-TPS2559DRCR_C206199.pdf - Manufacturer Part Number: TPS2559DRCR - Role: Power Switch - Part Type: Power Distribution Switches - Role Details: Reemplaza TPS2553 para cumplir 2 A; límite con RILIM, EN desde MCU, FAULT a MCU - JLCPCB Part Class: Extended Part - Package or Case Code: VSON-10_L3.0-W3.0-P0.50-BL-EP - Product Info Url: https://lcsc.com/product-detail/PMIC-Power-Distribution-Switches_TI_TPS2559DRCR_TPS2559DRCR_C206199.html **Pins:** - ~{FAULT} [pin 10] - EN [pin 5] - EPAD [pin 11] - GND [pin 1] - ILIM [pin 6] - IN [pin 2] - IN [pin 3] - IN [pin 4] - OUT [pin 7] - OUT [pin 8] - OUT [pin 9] ### U3 — [INA226](https://www.flux.ai/kicad-part-library/ina226~6yg.md) - Manufacturer Part Number: INA226 - Functional Group: Current Sense - Role Details: Mide caída Kelvin en shunt y voltaje de bus USB de salida - Role: Current/Power Monitor - Manufacturer Name: Texas Instruments Inc. - Datasheet URL: http://www.ti.com/lit/ds/symlink/ina226.pdf - Package or Case Code: VSSOP-10_3x3mm_P0.5mm **Pins:** - ~{Alert} [pin 3] - A0 [pin 2] - A1 [pin 1] - GND [pin 7] - SCL [pin 5] - SDA [pin 4] - Vbus [pin 8] - Vin- [pin 9] - Vin+ [pin 10] - VS [pin 6] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/yankiel1504/usb-power-analyzer-v1-utdr~la](https://www.flux.ai/yankiel1504/usb-power-analyzer-v1-utdr~la).* --- *Generated from [https://www.flux.ai/yankiel1504/usb-power-analyzer-v1-utdr~la](https://www.flux.ai/yankiel1504/usb-power-analyzer-v1-utdr~la)*