Description
ZK-4KX Adjustable Buck Boost Power Supply with LCD Display
This DC Buck-Boost Power Supply Module is a high-performance adjustable DC-DC converter that can step-up or step-down voltage with excellent accuracy and stability. Featuring CNC rotary encoder control and an LCD display, it allows precise adjustment of voltage and current while displaying real-time operating data.
The module supports multiple software and hardware protection mechanisms, adjustable thresholds, low output ripple with PI filtering, and enhanced heat dissipation using thickened radiator fins. It is ideal for use as a bench power supply, battery charger, or power management module for advanced DIY and professional electronics applications.
Key Features:
Buck and boost conversion in a single module
LCD displays voltage current power capacity and time
CNC rotary encoder for fast and precise adjustment
Adjustable output voltage from 0.5V to 30V
Adjustable current limit from 0 to 4A
Input reverse polarity protection
Output reverse current protection for battery charging
Configurable default power ON or OFF state
Multiple adjustable protection mechanisms
Low output ripple with PI filter
Enhanced heat dissipation with thick radiator fins
Technical Specifications:
| Parameter | Details |
|---|---|
| Input Voltage | 5.0V to 30V DC |
| Output Voltage | 0.5V to 30V DC |
| Output Current | 3A continuous, up to 4A with enhanced cooling |
| Output Power | 35W natural cooling, 50W with forced cooling |
| Conversion Efficiency | Approx. 88% |
| Voltage Display Resolution | 0.01V |
| Current Display Resolution | 0.001A |
| Operating Frequency | 180 kHz |
| Soft Start | Yes |
| Protection Features | Reverse input, reverse output, undervoltage, overvoltage, overcurrent, overpower, overtemperature, timeout, capacity |
| Protection Thresholds | Fully adjustable |
| Cooling | Thickened heat sink fins |
Applications:
Adjustable bench power supply
Battery charging systems
Electronics testing and debugging
DIY power projects
Microcontroller and development boards
Robotics and automation systems
Portable power regulation
Precautions
Do not short input and output terminals
Ensure input power exceeds load requirements
Strengthen cooling above 3A or 35W operation
Observe correct polarity when connecting input
Avoid exceeding rated voltage current or power
Disconnect power before making wiring changes