其中，Vbat的单位是伏特 

                                                              Rx 的单位是欧姆 

                    注：当使用外部电阻调整恒压充电电压时，由于芯片内部和外部的温度不一致及芯片生产时 

的工艺偏差等原因，可能导致输出电压的精度变差和温度系数变大。 

功能框图： 

Iref

GND

TEMP

ISET

BAT

+

-

+

-

+

-

VIN

T

die

115 C

Tamp

Vamp

Iamp

Vref

control

UVLO

TEMP

Comparator

Termination

Comparator

Recharge

Comparator

FB

Decoder

and

Switch Matrix

8-bit ADC

VIN

CH

OK

 

                                                     

              图 3  功能框图 

 

                                                                                                                                              REV 1.0                                    3