參數(shù)資料
型號: S-8241ABXMC-GBX-T2
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5
封裝: SOT-23, 5 PIN
文件頁數(shù): 10/32頁
文件大小: 1009K
代理商: S-8241ABXMC-GBX-T2
BATTERY PROTECTION IC FOR 1-CELL PACK
S-8241 Series
Rev.4.1_01
Seiko Instruments Inc.
18
Timing Chart
1-1. Overcharge and overdischarge detection (for products with power-down function)
VCU
VCL
VDU
VDL
VDD
VSS
VDD
VSS
VDD
VIOV1
VSS
VCHA
M ode
(2)
(1)
Note: (1) Norm al m ode, (2) Overcharge m ode, (3) O verdischarge m ode, (4) O vercurrent m ode
The charger is assumed to charge with a constant current.
Battery
voltage
DO pin
CO pin
VM pin
Charger
connected
Load
connected
Overcharge detection delay tim e (tCU)
Overdischarge detection delay tim e (tDL)
(3)
(1)
Figure 6
1-2. Overcharge and overdischarge detection (for products without power-down function)
V CU
V CL
V DU
V DL
Ba tte r y
vo lta g e
DO p in
V DD
V SS
V DD
V SS
V DD
V IO V 1
V SS
V CH A
CO p in
VM pin
C h arge r
c o nn ec te d
O v erc harge de te c tio n de la y tim e (tCU )
L oad
c o nn ec te d
Mo d e
(2 )
(1 )
N o te : (1 ) N o rm a l m o d e , (2 ) O v e rc h a rg e m o d e , (3 ) O v e rd is c h a rg e m o d e , (4 ) O v e rc u rre n t m o d e
T h e c h a rg e r is a s s u m e d to c h a rg e w ith a c o n s ta n t c u rre n t.
(1 )
(3 )
(1 )
(3 )
(1 )
O v e rd is c h arge de te c tio n d e la y tim e (tDL)
O v erdis c h arge de te c tio n d e la y tim e (tDL)
Figure 7
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