Product Details

9V to 55V to 9-cell lead-acid (18V) charger/system supply with no PowerPath. External 5V regulator for boosted supplies. 5A inductor current limit with 1.67A battery charge current limit. 21.5V absorption voltage output, 19.9V float voltage output.

The LTC4020 is a high voltage power manager providing PowerPath instant-on operation and high efficiency battery charging over a wide voltage range. An onboard buck-boost DC/DC controller operates with battery and/or system voltages above, below, or equal to the input voltage.