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型號： ZSPM4551KIT

類別： 集成電路

描述： The ZSPM4551 is a DC/DC synchronous switching lithium-ion battery charger with fully integrated power switches, internal compensation, and full fault protection. Its switching frequency of 1MHz enables the use of small filter components, resulting in smaller board space and reduced BOM costs. The ZSPM4551 includes supervisory reporting through the NFLT open-drain output to interface other components in the system. Device programming is achieved by an I2C? interface through the SCL and SDA pins. . VBAT reverse-current blocking . User programmable maximum charge current . Current mode PWM control in constant voltage . Supervisor for VBAT reported at the NFLT pin . Input supply under-voltage lockout . Full protection for over-current, over-temperature, VBAT over-voltage, and charging timeout . Charge status indication . I2C? program interface with EEPROM registers

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