LT8705 600W Solar MPPT CC-CV Boost Buck Power Module
LT8705 600W Solar MPPT CC-CV Boost Buck Power Module
LT8705 600W Solar MPPT CC-CV Automatic Boost & Buck Power Module
Harness the full potential of your solar panels or DC power sources with the LT8705 600W Automatic Boost and Buck Board. Built around the powerful LT8705 controller IC, this module delivers wide-range adjustable constant voltage (CV) and constant current (CC) output — making it an ideal solution for solar MPPT charging, battery management, high-power LED driving, and more.
Key Specifications
- Input Voltage: DC 9V – 60V (optimized for MPPT solar panel input)
- Output Voltage Range: 1.3V – 60V (fully adjustable)
- Output Current Range: 0.5A – 25A (fully adjustable)
- Maximum Power: 600W
- Module Dimensions: 136 × 77 × 50 mm
- Module Weight: 345 g
- EU LVD Rating: Low Voltage — Below 50 Vac or 75 Vdc
Features
- Automatic Boost & Buck: Seamlessly steps voltage up or down depending on input/output requirements — no manual switching needed.
- MPPT Solar Charging Compatible: Input current limiting function is purpose-built for solar panel constant-current-source charging. Pair two 200W panels with this module for an efficient, direct-to-battery charging setup with no reverse-fill concerns.
- Wide CC-CV Adjustment: Independently dial in output voltage and current for precise charging profiles.
- Intelligent Temperature-Controlled Fan: Onboard thermal management keeps the module running efficiently under sustained high-power loads.
- Input Reverse-Connection Protection: Built-in safeguard against accidental polarity reversal.
- Standby Port: Optional standby control for integration into automated systems.
- High Efficiency: Switching topology delivers far greater efficiency than linear regulators, especially at high power levels.
Application Scenarios
- Solar MPPT Maximum Power Charging: Connect directly to solar panels for efficient, adjustable battery charging with input current limiting.
- Vehicle Battery High-Current Charging: Suitable for two-stage charging power supply systems in automotive applications.
- Large-Capacity Lithium & LiFePO4 Battery Charging: High-current CC-CV charging for lithium iron phosphate and other large-cell chemistries.
- High-Power LED Constant-Current Driver: Stable, adjustable current source for demanding LED arrays.
- Backup Voltage Regulator Systems: Suitable for telecom base station battery backup and stabilized power supply setups.
- Adjustable Bench Power Supply: Use as a high-efficiency variable voltage/current bench supply (note: response speed and noise characteristics are typical of switching regulators).
- Other CC/CV Applications: Any project requiring stable, adjustable constant current or constant voltage output up to 600W.
What's in the Box
- 1 × LT8705 Boost/Buck Power Module
Made in Mainland China.
Note: Due to screen color variation, the actual product color may differ slightly from images. Please allow ±1–10 mm measurement tolerance due to manual measurement methods.
Learn More About Solar Energy & Electrical Safety
For guidance on safe electrical system design and energy-efficient power electronics, visit the U.S. Department of Energy – Solar Energy Technologies. For electrical safety standards and best practices, refer to OSHA Electrical Safety Guidelines.
Frequently Asked Questions
Q: What is the input voltage range for the LT8705 600W MPPT power module?
A: The module accepts a DC input voltage range of 9V to 60V, making it well-suited for a wide variety of solar panel configurations and DC power sources.
Q: Can this module be used directly with solar panels for battery charging?
A: Yes. The LT8705 board includes an input current limiting function specifically designed for MPPT solar panel constant-current-source charging. The output can be connected directly to a battery, and there is no risk of reverse current flow as long as the output is not directly paralleled with the battery without a diode or proper circuit design.
Q: How do I adjust the output voltage and current?
A: The output voltage (1.3V–60V) and output current (0.5A–25A) are independently adjustable via onboard potentiometers, allowing you to set precise CC-CV charging profiles for different battery chemistries and load requirements.
Q: Does the module include thermal protection?
A: Yes. The LT8705 power module features an intelligent temperature-controlled fan port that automatically regulates cooling based on operating temperature, helping maintain performance during sustained high-power use.
Q: Is this module suitable for LiFePO4 (lithium iron phosphate) battery charging?
A: Absolutely. The module's wide CC-CV adjustment range supports high-current charging of large-capacity lithium iron phosphate (LiFePO4) and other lithium battery chemistries, provided the output voltage and current limits are set correctly for the specific battery pack.