S-8205AAA-TCT1U Datasheet, PDF (2/33 Pages) Seiko Instruments Inc – BATTERY PROTECTION IC

BATTERY PROTECTION IC FOR 4-SERIES OR 5-SERIES CELL PACK
S-8205A/B Series
 Block Diagram
1. S-8205A Series
Rev.1.9_00
VM
CO
DO
VINI
CTLC
CTLD
CCT
CDT
R_VMD
R_VMS
Control circuit
Delay circuit
Delay circuit
Delay circuit
+
− _Discharge
+ ^overcurrent
− _Load
short circuit
+
− _Charge
overcurrent
Delay circuit
Delay circuit
Overcharge 1
−
Over- +
discharge 1₊
−
Overcharge 2
−
Over-
+
discharge 2 ₊
−
Overcharge 3
−
Over-
+
discharge 3 ₊
−
Overcharge 4
−
Over-
+
discharge 4 ₊
−
R_CTLC
R_CTLD
Remark Diodes in the figure are parasitic diodes.
2
Figure 1
VDD
VC1
VC2
VC3
VC4
VC5
VSS
CIT