Introduction
Link to Rev 1: https://uwarg-docs.atlassian.net/wiki/spaces/EL/pages/2765914176/Water+System+Controller
Who
Daniel Puratich architecture, component selection, pm
Shawn Yang schem n layout
What
the board takes the input signal from Pichawk, feeding into a four-channel high-side switch to trigger the solenoid for the water system.
LDO selection: LP2985-50DBVR Texas Instruments | Integrated Circuits (ICs) | DigiKey
Well documented
16v(max) to 5v fixed
Ina180 datasheet: https://www.ti.com/lit/ds/symlink/ina180.pdf
Rsense: PE1206FKF470R01Z
RES 0.01 OHM 1% 1W 1206
Rsense Calculation
