How to efficiently select AC-DC power management chip

AC-DC switching power management chip adopts primary side feedback and secondary side feedback topology, and is applied to power supply such as adapter and mobile phone charger. Typical specifications include 5V/1A, 5V/2A, 12V/1A, 12V/1.5A, 12V2A, 19V3.4A, etc., to meet the six-level energy efficiency requirements.

Features of the U6215 power management chip:

Efficiency meets six energy efficiency requirements

Built-in 700V power triode

Built-in feedback pin (FB) short circuit protection

Built-in patented line loss compensation to improve mass production accuracy

Built-in fast dynamic response control

Automatically compensates for input voltage. Inductive inductance changes, achieving high precision

Built-in soft start, ultra low start current, pin floating protection

Cycle-by-cycle current limit, built-in leading edge blanking