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| DC-DC Converter |
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| The DC-DC converter converts the main battery’s high voltage (200 to 400 volts) to the auxiliary battery’s lower voltage (12 volts) and charges the auxiliary battery. The DC-DC converter also serves as a power source for 12-volt equipment including headlamps, windshield wipers and horns.
For its new DC-DC converter, DENSO developed a unique power conversion circuit that reduces energy loss by half compared to a conventional DC-DC converter, decreasing the amount of heat generated during power conversion, and improving fuel consumption. This enables the DC-DC converter to be cooled by air instead of the conventional method of cooling by water, allowing more flexibility in installation location.
The full-bridge circuit accommodates a wide range of input voltages and provides high output. DENSO has minimized size and weight by using high-frequency switching and low-profile magnetic parts.
Benefits and Features
- High reliability
- Adopting an isolated converter circuit.
- Small size and light weight
- Reducing the size of magnetic parts by increasing the frequency.
Specifications
| Input voltage range |
200 to 400 volts |
| Output voltage |
14.0 ± 0.5 volts |
| Output current range |
3 to 100 amperes |
| Weight |
3.3 kilograms |
| Operating temperature range |
-30 to 85 degrees Celsius |
| Saving temperature range |
-40 to 90 degrees Celsius |
| Cooling water conditions |
Up to 60 degrees Celsius, 6.0 liter/ minute or more |
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