Vehicle Power Supply-Shenzhen VAPEL Power Supply Technology Co.,Ltd.

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2.5kW Vehicle-Mounted DC/DC Power Supply

This product operates within an input voltage range of 400–850 Vdc, delivering a rated output of 13.5 Vdc/2500 W (peak power 3000 W, duration 6 min). It employs system fan cooling and incorporates multiple protection features: input overvoltage/undervoltage alarm and protection, output overcurrent alarm and protection, output overvoltage protection, output short-circuit protection, and overtemperature protection. Suitable for various new energy vehicles including pure electric, hybrid,

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Technical Specifications

Project	Minimum	Typical	Maximum	Unit	Conditions
Environmental Conditions
Operating Temperature	-40	65	85	℃	Bottom case temperature: -40 to 60°C, maximum current 220A; 60 to 80°C, reduce current by 2A per 1°C increase; Above 80°C, reduce current by 5A per 1°C increase; Above 100°C, trigger over-temperature alarm and shut down.
Storage temperature	-40	-	85	℃
Relative Humidity	5	-	90	%	No condensation during normal operation
Elevation	0	-	3000	m
Elevation	≤50			dB
Heat dissipation method	Through application system fan cooling (external)			Wind speed 5 m/s, wind direction
Dustproof and waterproof	IP67
Input Characteristics
Rated Input Voltage	570		Vdc	The input end features reverse polarity protection.
Input Voltage Range	400		850	Vdc
Maximum Input Current	-	-	8.5	A	400Vdc input, peak output power 3000W
Static leakage current	-	-	1	mA	Auxiliary power supply is not energized, power supply fails to start. Test input current under the following conditions: rated input of main power supply, continuous power supply, and instantaneous power shutdown.
Output Characteristics
Rated Output Voltage	13.5		Vdc
Rated Output Current	180		A	Maximum continuous operating current
Output Current Range	0	-	180	A
Maximum power output	2500		W
Peak output power	3000		W	Peak power: 3000W Operating time: 6 minutes
Overall efficiency	-	93	-	%	Rated output voltage at full load, rated input voltage
Temperature coefficient	-	-	±0.02	%/℃
Output ripple and noise	-	-	500	mVp-p	Rated input voltage, rated output at half load or above, tested under ambient temperature conditions. The oscilloscope bandwidth should be 20MHz, with probes connected in parallel to a 10uF electrolytic capacitor + 104 ceramic capacitor.
Output ripple and noise	-	-	500	mVp-p
Boot-up time	-	-	3	S
Output rise time	-	-	300	ms
Voltage Regulation Accuracy	-	-	±3	%	The accuracy requirements are met across the entire input voltage range, temperature range, and load range.
Current stability accuracy	-	-	±3	%	Across the entire input voltage range and temperature range, the output current accuracy is ±3A at full load (180A). At half load (90A) or below, the accuracy is ±2.7A.
Current stability accuracy	-	-	±3	%

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