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TS1052 Datasheet(PDF) 1 Page - Taiwan Semiconductor Company, Ltd |
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TS1052 Datasheet(HTML) 1 Page - Taiwan Semiconductor Company, Ltd |
1 / 8 page TS1052 Constant Voltage and Constant Current Controller For Battery Chargers and Adaptors 1/8 Version: A12 SOT-26 General Description TS1052 is a highly integrated solution for SMPS applications requiring CV (constant voltage) and CC (constant current) mode. TS1052 integrated one voltage reference, two operational amplifiers, and a current sensing circuit. The voltage reference combined with one operational amplifier make it an ideal voltage controller, and the other low voltage reference combined with the other operational amplifier make it an ideal current limiter for output low side current sensing. The current threshold is fixed, and precise. The only external components are: * A resistor bridge to be connected to the output of the power supply (Adapter, battery charger) to set the voltage regulation by dividing the desired output voltage to match the internal voltage reference value. * A sense resistor having a value and allowable dissipation power which need to be chosen according to the internal voltage threshold. Features ● Constant Voltage and Constant Current Control ● Low Voltage Operation ● Precision Internal Voltage Reference ● Low External Component Count ● Current Sink Output Stage ● Easy Compensation ● Low AC Mains Voltage Rejection Ordering Information Part No. Package Packing TS1052CX6 RFG SOT-26 3Kpcs / 7” Reel Note: “G” denotes for Halogen free products Block Diagram Application ● Battery Charger ● Adapters Pin Function Description Name Type Function VCTRL Analog Input Input Pin of the Voltage Control Loop VND Power Supply Ground Line. 0V Reference For All Voltage Out Current Sink Output Output Pin. Sinking Current Only ICTRL Analog Input Input Pin of the Current Control Loop VSENSE Analog Input Input Pin of the Current Control Loop VCC Power Supply Position Power Supply Line Pin Definition: 1. VCTRL 6. VCC 2. VND 5, VSENSE 3. Out 4. ICTRL |
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