SK90C LCD Buck-Boost Converter: Adjustable CC/CV Voltage Regulator Module

Product Features

• The LCD display panel utilizes gold immersion technology to prevent oxidation and poor contact, ensuring a complete display over long-term use.
• Equipped with independent silicone buttons for setting voltage or current. Simple one-key entry and exit functions make operations quick and intuitive.
• Features an independent architecture for upper and lower boards, including an independent MCU. This allows for interchangeable LCD or color screen display boards and independent use of the power supply board.
• The upgraded silicone button material is soft, providing a comfortable touch and a longer service life.
• Offers a user-friendly design with a reserved 5V fan interface, allowing customers to add their own fans for cooling. Supports fans within 5V150mA.

Product Parameters

Parameter	SK40C	SK90C (This item)
Product Name	CNC DC voltage buck-boost power supply
Input Voltage	6-36.00V
Output Voltage	0.5-36.00V
Output Current	0-4.5A	0-5A
Output Power	40W	90W
Voltage Resolution	0.01V
Voltage Accuracy	±0.3% + 3 words (Calibratable)
Output Current Accuracy	±0.5% + 3 words (Calibratable)
Current Resolution	0.001 A
Data Group Storage	11 groups
Silicon Rubber Keypads	5
Buzzer	Yes
Soft Tone	Yes
Screen Size	Upgraded 1.8-inch large screen, 36 * 29mm visible range
Conversion Efficiency	About 88%
Product Size	83x48x29.4mm (Height does not include rotary encoder)
Product Weight	Net weight of product: 103g, Weight with packaging: 123g
Under Voltage Protection (LUP)	5.5-35V adjustable, factory default value of 5.5V
Output Overvoltage Protection (OUP)	0.5-37V adjustable, factory default value 37V
Output Overcurrent Protection (OCP)	0.001 -4.6A adjustable, factory default value 4.6A	0.001 -5.2A adjustable, factory default value 5.2A
Output Overpower Protection (OPP)	0.01-41 W adjustable, factory default value 41W	0.01-91 W adjustable, factory default value 91W
Overtemperature Protection (OTP)	30-99 ℃ adjustable, factory default value of 90 ℃
Timeout Protection (OHP)	1 -99 hours and 59 minutes, factory default off
Overcapacity Protection (OAH)	0.001-9999Ah, factory default off
Superenergy Protection (OPH)	0.001-4000KWh, factory default off
Output Anti Backflow	YES
Input Anti Reverse Connection	YES

Package Includes

• 1 x Adjustable regulated power supply