Datasheet Manuals

VT4055 Datasheet

The VT4055 is a compact, low‑component‑count charger IC designed for portable applications. It supports USB or external power sources and includes internal protection features such as reverse‑battery protection and thermal regulation.

The document provides pin definitions, electrical characteristics, typical application circuits, and recommended component values for constant‑current and constant‑voltage operation, as well as guidelines for PCB layout and thermal management. This manual is written in Chinese.

Covers: Features · Pin Configuration · Electrical Characteristics · Typical Application Circuit · Operation Principle · Package Information