smallembedded

esp32 mppt

Overview

Foreign open source handling https://www.instructables.com/DIY-1kW-MPPT-Solar-Charge-Controller/

Discuss with each other QQ:483012638

2.0 Modify LCD to 5v

Add reset button

MPPT perturbation algorithm with CC- CV

80V , 30A input (solar, wind turbine, PSU )

50V , 35A output (lithium-ion, LifePO4 , lead-acid, etc.)

98% peak conversion efficiency (synchronous buck)

WiFi and Bluetooth Blynk Phone App Telemetry

Charger /PSU mode (can operate as programmable buck converter)

16 -bit /12- bit precision ADC measurement (ADS1115/ADS1015)

Automatic ACS712-30A current sensor calibration

Battery and Input Disconnect Recovery Protection Protocol

LCD menu interface (with settings and 4 display layouts)

Flash memory (non-volatile setting saving function)

Setable PWM resolution ( 16bit-8bit )

Programmable PWM switching frequency (1.2kHz - 312kHz)

Power capability:

12V output / battery - 420W @35A

24V output / battery - 840W @35A

36V output / battery - 1000W @35A ( 1260W when safe unlocked )

48V output / battery - 1000W @35A ( 1680W when safe unlocked )

Design Files

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Update:2025-05-09 00:13:05

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