Why does the dashboard of my new energy vehicle flicker while charging? Is it caused by the unstable output capacitor capacity of the DC-DC converter?

This phenomenon is likely because during vehicle charging, the power battery pack briefly disconnects power for safety checks. At this time, the low-voltage electrical equipment relies entirely on the DC-DC converter. If the capacitance at the DC-DC output is insufficient or unstable, it cannot replenish power in time when the load suddenly increases, causing momentary voltage drop and screen flickering.

How to select capacitors for the output filter circuit of the DC-DC converter in a new energy vehicle to ensure power supply stability?

The key lies in capacitance stability and ripple current tolerance. YMIN automotive-grade capacitors precisely control capacitance deviation within 0~+20%, ensuring power output stability and avoiding system risks caused by excessively low capacitance limits.

Poor capacitance consistency between different batches leads to fluctuations in yield during DC-DC board factory testing. How to resolve?

YMIN capacitors ensure high consistency through 100% CCD detection and rigorous aging tests throughout manufacturing process, stabilizing capacitance tolerance within 0~+20% to ensure consistent performance across different batches.

Our DC-DC board experiences excessive leakage current after reflow soldering. Are there capacitors that maintain low leakage current after high-temperature soldering?

YMIN capacitors solve this through CCD inspection in key processes and multiple aging tests, ensuring leakage current remains stable after reflow soldering, with average increase less than 1μA in test samples.

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