The PT6110 多节锂电池模组充放电管理

 PT6110_DS Rev EN1.2 PT6110 GENERAL DESCRIPTIONSeK嘉泰姆

The PT6110 is a highly integrated battery cells charge /discharge balancing management analog front end with a microcontroller for 3 to 5 serially connected Li - ion or LiFePO 4 battery pack. It is applicable in portable electrical tools o r other multi - cell battery powered systems. The PT6110 contains a high precision amplifier buffering each battery cell voltage to an analog output pin. All output voltages are alternatively selected by the MCU and digitized by the ADC within that MCU. The integrated battery balance circuitry in the PT6110 provides a shunt current of 50mA without the need of any external transistors. The chip also includes important features such as an integrated LDO powering an external MCU and two gate drivers to two exter nal MOSFETs used for charging and discharging. The PT6110 works together with an MCU performs battery safety protections against battery over - voltage, under - voltage, and cell charge balancing. The PT6110 is avail able in QFN - 2 0, SOP16 and HTSSOP20 package s . FEATURES Charger control l 3~ 5 Li - ion or LiFePO 4 battery voltages are sampled and buffered. l Cell balancing with 50mA shunt current l MCU control the protection cutoff voltage Discharge control l MCU control the battery under - voltage protection l 10~15V PWM or DC MOS gate driving voltage l Max 200mA MOS gate driving voltage LDO output l Integrated LDO provides power supply to the external MCU Other protection l Protected from<1.0ms negation glitch toward ground generated from battery pack l Internal over temperature shutdown (TSD) APPLICATIONS l Portable electrical tools l Electrical bicycles l Multi - cell battery pack in portable devices    
SeK嘉泰姆