# HTA Water Contoller ## Description A semi-universal control board for HTA spring 2025 ## Project Details - **Owner:** tyler-s - **Created:** 2/20/2025 - **Last Updated:** 2/27/2025 - **Visibility:** Public - **Forks:** 1 ## Key Components ### IC1 — [DRV8825PWPR](https://www.flux.ai/jecstronic/drv8825pwpr~l3w.md) - Datasheet URL: https://www.ti.com/lit/ds/symlink/drv8825.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Texas Instruments Inc. - Part Type: Integrated Circuit - Manufacturer Part Number: DRV8825PWPR **Pins:** - AOUT1 [pin 5] - AOUT2 [pin 7] - AVREF [pin 12] - BOUT1 [pin 10] - BOUT2 [pin 8] - BVREF [pin 13] - CP1 [pin 1] - CP2 [pin 2] - DECAY [pin 19] - DIR [pin 20] - GND_1 [pin 14] - GND_2 [pin 28] - GND_3 [pin 29] - ISENA [pin 6] - ISENB [pin 9] - MODE0 [pin 24] - MODE1 [pin 25] - MODE2 [pin 26] - NC [pin 23] - NENBL [pin 21] - NFAULT [pin 18] - NHOME [pin 27] - NRESET [pin 16] - NSLEEP [pin 17] - STEP [pin 22] - V3P3OUT [pin 15] - VCP [pin 3] - VMA [pin 4] - VMB [pin 11] ### J6 — [Pin Header 02x08 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-02x08-254mm-vertical~7de.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - Pin_1 [pin 1] - Pin_10 [pin 10] - Pin_11 [pin 11] - Pin_12 [pin 12] - Pin_13 [pin 13] - Pin_14 [pin 14] - Pin_15 [pin 15] - Pin_16 [pin 16] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] - Pin_5 [pin 5] - Pin_6 [pin 6] - Pin_7 [pin 7] - Pin_8 [pin 8] - Pin_9 [pin 9] ### J7 — [Pin Header 02x08 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-02x08-254mm-vertical~7de.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - Pin_1 [pin 1] - Pin_10 [pin 10] - Pin_11 [pin 11] - Pin_12 [pin 12] - Pin_13 [pin 13] - Pin_14 [pin 14] - Pin_15 [pin 15] - Pin_16 [pin 16] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] - Pin_5 [pin 5] - Pin_6 [pin 6] - Pin_7 [pin 7] - Pin_8 [pin 8] - Pin_9 [pin 9] ### U1 — [INA3221AIRGVR](https://www.flux.ai/lcsc/ina3221airgvr~6szw.md) - Manufacturer Name: TI(德州仪器) - Product Info Url: https://lcsc.com/product-detail/PMIC-Current-Power-Monitors-Regulators_TI_INA3221AIRGVR_INA3221AIRGVR_C181255.html - Package or Case Code: QFN-16_L4.0-W4.0-P0.65-TL-EP2.2 - JLCPCB Part Class: Extended Part - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2410010331_Texas-Instruments-INA3221AIRGVR_C181255.pdf - LCSC Part Number: C181255 - Manufacturer Part Number: INA3221AIRGVR - Part Type: PMIC - Current & Power Monitors & Regulators **Pins:** - A0 [pin 5] - CRITICAL [pin 9] - GND [pin 3] - IN-1 [pin 11] - IN-2 [pin 14] - IN-3 [pin 1] - IN+1 [pin 12] - IN+2 [pin 15] - IN+3 [pin 2] - PAD [pin 17] - PV [pin 10] - SCL [pin 6] - SDA [pin 7] - TC [pin 13] - VPU [pin 16] - VS [pin 4] - WARNING [pin 8] ### U2 — [EC1110120201](https://www.flux.ai/adrian95/ec1110120201~uds.md) - Datasheet URL: https://www.mouser.com/datasheet/2/15/EC11-1370808.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Sensor - Manufacturer Name: Alps Alpine - Manufacturer Part Number: EC1110120201 **Pins:** - CCW [pin B1] - COM [pin D1] - CW [pin A1] - MH1 [pin MH1] - MH2 [pin MH2] - NO [pin E1] - WIPER [pin C1] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/tyler-s/hta-water-contoller~43](https://www.flux.ai/tyler-s/hta-water-contoller~43).* --- *Generated from [https://www.flux.ai/tyler-s/hta-water-contoller~43](https://www.flux.ai/tyler-s/hta-water-contoller~43)*