The boost circuit utilizes a switching DC/DC boost converter manufactured using CMOS technology, exhibiting extremely low no-load current. It features very low no-load power consumption (less than 10µA) and a boost output drive current capability of up to 1A. The TP5400 is a dedicated power bank charger for single-cell lithium-ion batteries and a constant 5V boost controller. The charging section integrates high- voltage and current regulators, pre-charge functionality, charging status indication, and charging cutoff, and can output a maximum charging current of 1A. No external buttons are required; it is plug-and-play.
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