Design of Portable On-Board Charger

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To solve the key technology of automotive lithium battery charging system, a new kind of smart portable on-board charger is developed. This battery charger takes single-chip machine of freescale as system control chip, realizes closed-loop control of bus voltage by the voltage pulse width modulation chip TL494, realizes charger output with constant voltage, constant current and switch without disturbances by the current pulse width modulation chip UC3846, achieves master-slave control mode for multi–parallel machines through the CAN bus technology. In addition, the microcontroller program realizes the process monitoring and fuzzy PID regulation, the charging process has multiple intelligent protection and external regulatory functions. The experimental results show that with dual regulations of the software and hardware, the charger has the advantages of stable reliability, flexible operation and precise intelligence, an effective exploration of the battery charging technology is carried out.

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Edited by:

Mohamed Othman

Pages:

837-840

Citation:

D. L. Cheng et al., "Design of Portable On-Board Charger", Applied Mechanics and Materials, Vols. 229-231, pp. 837-840, 2012

Online since:

November 2012

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$38.00

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