描述 Description

The TSM1052 is a highly integrated solution for SMPS applications requiring a dual control loop to perform CV (constant voltage) and CC (constant current) regulation.

The TSM1052 integrates a voltage reference, two op amps (with OR-ed open-drain outputs), and a low-side current sensing circuit.

The voltage reference, along with one op amp, is the core of the voltage control loop; the current sensing circuit and the other op amp make up the current control loop.

The external components needed to complete the two control loops are:A resistor divider that senses the output of the power supply (adapter, battery charger) and fixes the voltage regulation set point at the specified value; A sense resistor that feeds the current sensing circuit with a voltage proportional to the dc output current; this resistor determines the current regulation set point and must be adequately rated in terms of power dissipation; Frequency compensation components (RC networks) for both loops.

The TSM1052, housed in one of the smallest package available, is ideal for space-shrunk applications such as adapters and chargers.

特性 Features

? Easy frequency compensation
? Wired-or open-drain output stage
? Secondary-side constant voltage and constant current control
? Very low quiescent consumption
? Very low voltage operation
? Low external component count
? SOT23-6 micro package
? High-accuracy internal reference

簡介

TSM1052屬于集成電路（IC）的電池充電器。由制造生產的TSM1052電池充電器電池充電器 PMIC（電源管理集成電路）是元器件級產品系列，用于在電子設備中實現電池充電控制和充電管理功能。這些器件主要根據電池化學及其設計用于的電池數量來分類，可提供電化學電池和超級電容器安全充電所必需的電流或電壓調節(jié)和監(jiān)視功能。