DC-DC Buck Converter, 24V to 13.8V/15V/19V

ATO DC-DC buck converters with synchronous rectification technology is designed to step down the input rated voltage 24V DC to 13.8V/ 15V/ 19V DC output voltage, and different model are available for your applications.

Features

• Wide input voltage range: 18V to 36V, 18V to 40V or 23V to 36V.
• Brand-new, die-cast aluminum shell and high quality design, maximum transfer efficiency of 94%.
• This step down module comes with waterproof lever of IP68, moisture-proof & anti-shock protection.
• Auto-recovery when the device is back to normal operating.
• Built-in full protection against over/under voltage input, over-current, overload, overhead, over-temperature and short circuit.
• Industry grade DC 24V to 13.8V/ 15V/ 19V buck converter, widely used in automotive, electricity, surveillance systems, railway signals, instruments, solar generates electricity, display screen of bus and taxi, car audio device, security systems, hospital equipment, telecommunications etc.

5A DC-DC Buck Converter Specification

24V to 13.8V DC-DC Buck Converter Model Selection

Code	Model	Price	Input Voltage	Output Voltage	Output Current	Output Power	Efficiency	Size	Download
1	ATOWG-24S13R805	$49.29	24V DC	13.8V DC	5 Amps	69 Watts	94%	64*57*22mm
2	ATOWG-24S13R810	$54.69	24V DC	13.8V DC	10 Amps	138 Watts	95.5%	64*57*22mm
3	ATOWG-24S13R815	$56.29	24V DC	13.8V DC	15 Amps	207 Watts	96.2%	74*74*32mm
4	ATOWG-24S13R820	$57.49	24V DC	13.8V DC	20 Amps	276 Watts	95.7%	74*74*32mm
5	ATOWG-24S13R840	$71.49	24V DC	13.8V DC	40 Amps	552 Watts	96.9%	100*80*39mm
6	ATOWG-24S13R850M	$116.09	24V DC	13.8V DC	50 Amps	690 Watts	96.6%	100*80*36mm
7	ATOWG-24S13R860M	$100.19	24V DC	13.8V DC	60 Amps	828 Watts	96.3%	100*80*36mm
8	ATOWG-24S13R8100M	$150.99	24V DC	13.8V DC	100 Amps	1380 Watts	96.8%	140*120*42.5mm

24V to 15V DC-DC Buck Converter Model Selection

24V to 19V DC-DC Buck Converter Model Selection

Note: The series of 24V to 13.8V/ 15V/ 19V DC-DC buck converter models are all here, check the parameter carefully from the table and select the right converter power supply when place the order.

13.8 volts DC Power Supply Applications

ATO DC-DC buck converter can step down 24V/48V DC voltage to 13.8V. 13.8V DC power supply is mainly used in vehicle charging systems, communication equipment, emergency backup power supply and other fields. Here are some specific applications:

• Car charging system: The vehicle's charging system usually converts AC power into 13.8V DC voltage, which is used to charge the vehicle battery. This voltage value is to ensure that the battery can maintain good condition when charging and not overcharge.
• Communications equipment: Many radio communications equipment and radio stations require 13.8V DC power to operate. These devices include amateur radio stations and professional communications equipment, and using this standard voltage ensures stable operation of the equipment.
• Backup power supply for electronic equipment: Some electronic equipment, such as radios, communication equipment and emergency lighting, often use 13.8V DC power supply as a backup power supply. Backup power ensures equipment remains operational in the event of a primary power failure, especially during emergencies.
• Fire alarm: Some fire alarm systems may require a 13.8V DC power supply to ensure that the system can continue to work during a power outage or other emergency, providing continuous safety monitoring.
• Ship and aircraft equipment: Some electronic equipment and communication equipment on ships and aircraft also use 13.8V DC power supply. These equipment include navigation systems, communication equipment and various control systems. Using this voltage can ensure the reliability and stability of the equipment.

Tips: Can I use a DC to DC converter to charge a battery?

Yes, you can use a DC to DC converter to charge a battery. DC to DC converters are devices that can convert one DC voltage level to another while maintaining the same power (approximately). When charging a battery, it's essential to match the converter's output voltage to the battery's voltage requirements. For example, if you have a 12-volt battery, you would use a DC to DC converter to step up or down the input voltage to 12 volts. However, it's crucial to consider factors like the battery chemistry (e.g., lead-acid, lithium-ion) and charging characteristics (constant current, constant voltage) to ensure safe and efficient charging. Additionally, incorporating proper battery management and charging circuitry is vital to prevent overcharging, undercharging, and ensure the battery's longevity and safety. So, while DC to DC converters can be part of a battery charging system, they should be used in conjunction with appropriate charging protocols and safeguards.