Evalm

Adjustable Buck-Boost Converter SK40/SK90 with LCD, CC CV Step Down Module for Stabilized Voltage Output

$9.99 USD

~~$0.00 USD~~ $9.99 USD

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Model 40W-SK40 90W-SK90

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Product Features:

Advanced LCD Display: The panel is crafted with gold technology to prevent oxidation and poor contact, ensuring a reliable display over long-term use.
Easy-to-Use Controls: Features independent silicone buttons for quick and easy voltage or current adjustments, minimizing complexity.
Modular Design: Features a unique architecture with separate MCUs for the upper and lower boards, allowing easy replacement of the LCD or color screen display board. The power supply board can function independently as well.
Durable Button Material: Upgraded silicone buttons provide a soft, comfortable touch and long-lasting durability.
Customizable Cooling: A 5V fan interface is provided, allowing for user installation of additional cooling fans (supports fans up to 5V150mA).

Product Model	SK40, SK90
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 (SK40), 0-5A (SK90)
Output Power	40W (SK40), 90W (SK90)
Voltage Resolution	0.01V
Voltage Accuracy	±0.3%+3 words (Calibratable)
Current Resolution	0.001 A
Output Current Accuracy	±0.5%+3 words (Calibratable)
Data Group Storage	11 groups
Keypads	5 Silicon Rubber Keypads
Buzzer	Yes
Screen Size	Upgraded 1.8-inch large screen, 36 * 29mm visible range
Conversion Efficiency	Approximately 88%
Product Size	83x48x29.4mm (Height does not include rotary encoder)
Product Weight	Net: 103g, With packaging: 123g
Under Voltage Protection (LUP)	5.5-35V adjustable, factory default 5.5V
Output Overvoltage Protection (OUP)	0.5-37V adjustable, factory default 37V
Output Overcurrent Protection (OCP)	0.001-4.6A adjustable (SK40), 0.001-5.2A adjustable (SK90), factory defaults 4.6A, 5.2A respectively
Output Overpower Protection (OPP)	0.01-41W adjustable (SK40), 0.01-91W adjustable (SK90), factory defaults 41W, 91W respectively
Over Temperature Protection (OTP)	30-99℃ adjustable, factory default 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