Control PCBA Design for Water System

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Here’s a strong candidate from the Flux library:

Table

Part NamePurposePackageDatasheet
BQ24650RVARMPPT solar charge controller for 12 V lead–acid batteries, up to 4 A charge current, with input overvoltage protection and battery–temperature sensingVQFNDatasheet
The BQ24650 integrates MPPT, charge regulation, and safety features ideal for your 100 W solar panel → 12 V battery system.
Shall I add this MPPT charge controller to your schematic?
S

sudata

what are the voltage range at theinput of this controller?

flux

The BQ24650RVAR supports an input (PVIN) voltage range of 5 V to 28 V, per the TI datasheet.
S

sudata

does the controller have a low voltage shutdown at the input?

flux

The BQ24650RVAR includes an input undervoltage lockout (UVLO) set at 2.7 V. If PVIN falls below this threshold, the controller enters low-power shutdown to protect against insufficient supply.
UVLO hysteresis
Adjustable UVLO
Soft-start recommendation
External comparator
UVLO RC filter
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Files

Schematic

Layout

3D View

C26
Capacitance
4.7µF
C28
Capacitance
.1uF
C31
Capacitance
.1uF
C25
Capacitance
22uF
R7
Resistance
100kΩ
R8
Resistance
953kΩ
R6
Resistance
180kΩ
C30
Capacitance
10uF
C29
Capacitance
10uF
U3
Manufacturer Part Number
TPS62130ARGTR
J2
C27
Capacitance
10uF
L3
Inductance
2.2uH

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