S-8259_5cell_withCB_Demo board_rev1.0
过充电保护功能, 过放电保护功能, 放电过电流保护功能, 均衡功能.
■使用电压检测用使用电压检测用IC S-8259IC S-8259IC S-8259构成的5串保护电路构成的5串保护电路构成的5串保护电路Demo board Rev. 1.0Demo board Rev. 1.0
Battery1
Battery2
Battery3
Battery4
Battery5
Pack+
This circuit is only for reference. It has not been confirmed whether the operation is normal or not for all application, the example of connection and the constant do not guarantee proper operation. Please evaluate the circuit carefully with your real application condition before using it.
Parts list
( n=1、2、3、4、5 )
No.Symbol Value Unit Standard Parts Maker Note remark
1ICn ――S-8259A SII Must 2RVDDn 330?MCR03Rohm Recommend 3CVDDn 0.1uF GRM188murata Recommend 4RCOn 0?MCR03Rohm Recommend 5CCOn 5.1M?MCR03Rohm Recommend 在此电容处接电阻
6QCOn Pch ―2SJ210NEC Recommend 此处接PMOSFET
7RCn ――MCR03Rohm Recommend 客户自己决定与R112的分压比8DCn ――1SS355Rohm Recommend 建议接上二极管
9RCBn ――――Please take care for rated power 注意加强散热，增大焊盘面积，铜箔加厚等10DCBn ――1SS355Rohm User set 接均衡电阻时要连接此二极管
11RDOn 1M?MCR03Rohm Recommend 12CDOn 0.01uF GRM188murata Recommend 13QDOn pnp ―2SB1198K Rohm User set SOT-23-3
14RDn ――MCR03Rohm Recommend 客户自己决定与R109的分压比
15DDn ――1SS355Rohm User set 可焊接 MCR03电阻，不接二极管时，用0?电阻短路
16IC101――S-8239SII Must 17R2011k?MCR03Rohm Recommend 18R202100?MCR03Rohm Recommend 19N102Nch ―2SK1589NEC SOT-23-320N201Nch ―2SK1589NEC
SOT-23-3
21R101470?MCR03Rohm Recommend 22C1010.1uF GRM188murata User set, Min = 0.1uF 23C2011uF GRM188murata User set, Min = 0.1uF 24R1021M?MCR03Rohm Recommend 25P101Pch ―2SJ210NEC User set SOT-23-326N101Nch ―2SK1590NEC User set SOT-23-327Q103Nch ―2SK1590NEC User set SOT-23-3
28R103 5.1k?MCR03Rohm Recommend 29R1040?MCR03Rohm
active"L"，No driver ，R104 short 30R1051M?MCR03Rohm
active"H-Zone"，driver ，R105=1M?31R1060?MCR03Rohm active"H-Zone"，driver ，R106 short
32R107510k?MCR03Rohm Recommend 33R1082M?MCR03Rohm Recommend 34R1091M?MCR03Rohm Recommend 35Q104Nch ―2SK1590NEC User set SOT-23-3
36R110510k?MCR03Rohm Recommend 37R1112M?MCR03Rohm Recommend 38R1121M?MCR03Rohm Recommend 39Q105Nch ―2SK1590NEC User set SOT-23-3
40RSENSE ――――Please take care for rated power 41CO_FET Nch ―――Please take care for Vds 42
DO_FET
Nch
―――Please take care for Vds
Vgs<2V, Vds = 100V
Same FET are recommended 根据选用的S-8239型号以及是否
需要驱动电路来选择