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Design of Voltage Selectable Circuit based on Power Mux for Charger IC
- Issue Date
- 2021
- Publisher
- IEEE Computer Society
- Keywords
- Back-to-back Switch; Battery Charger System; Charger IC; High Voltage LDO; Voltage Selectable
- Citation
- International Conference on Ubiquitous and Future Networks, ICUFN, v.2021-August, pp.29 - 34
- Indexed
- SCOPUS
- Volume
- 2021-August
- Start Page
- 29
- End Page
- 34
- ISSN
- 2165-8528
- Abstract
- This paper proposes Selectable Voltage Genrator. In order to supply a stable power supply voltage, a linear regulator LDO was used. The entire system in which this circuit is used is divided into Charging Mode and Discharging Mode. Charging Mode is the mode to charge the battery with USB voltage (VBUS), and the Discharging Mode is the mode to charge the USB voltage with the battery voltage (VBAT). The input voltage of VBUS is 2.7 20 V, The input voltage of VBAT supports up to 4 battery cells, The voltage of 1 cell is 4.2 V. According to the suggested input voltage, the voltage supplied into the chip is divided into 5V LDO and 3.3V LDO. © 2021 IEEE.
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Related Researcher
- LEE, KANG YOON
- Information and Communication Engineering (Electronic and Electrical Engineering)