s-8211dat-i6t1g Seiko Instruments Inc., s-8211dat-i6t1g Datasheet - Page 12

• Manufacturer Part Number: s-8211dat-i6t1g
• Description: Battery Protection Ic For 1-cell Pack
• Manufacturer: Seiko Instruments Inc.

12
BATTERY PROTECTION IC FOR 1-CELL PACK
S-8211D Series
Test Circuits
Caution Unless otherwise specified, the output voltage levels “H” and “L” at CO pin (V
(1) Overcharge Detection Voltage, Overcharge Release Voltage
(2) Overdischarge Detection Voltage, Overdischarge Release Voltage
(3) Discharge Overcurrent Detection Voltage
(4) Load Short-circuiting Detection Voltage
(5) Operating Current Consumption
(6) Charger detection voltage (= the detection voltage for irregular charging current)
(Test Condition 1, Test Circuit 1)
Overcharge detection voltage (V
from “H” to “L” when the voltage V1 is gradually increased from the starting condition of V1 = 3.5 V. Overcharge
release voltage (V
when the voltage V1 is then gradually decreased. Overcharge hysteresis voltage (V
between overcharge detection voltage (V
(Test Condition 2, Test Circuit 2)
Overdischarge detection voltage (V
from “H” to “L” when the voltage V1 is gradually decreased from the starting condition of V1 = 3.5 V, V2 = 0 V.
Overdischarge release voltage (V
from “L” to “H” when the voltage V1 is then gradually increased. Overdischarge hysteresis voltage (V
the difference between overdischarge release voltage (V
(Test Condition 3, Test Circuit 2)
Discharge overcurrent detection voltage (V
delay time for changing V
overcurrent delay time when the voltage V2 is increased rapidly (within 10 s) from the starting condition of V1 =
3.5 V, V2 = 0 V.
(Test Condition 3, Test Circuit 2)
Load short-circuiting detection voltage (V
delay time for changing V
delay time when the voltage V2 is increased rapidly (within 10 s) from the starting condition of V1 = 3.5 V, V2 = 0 V.
(Test Condition 4, Test Circuit 2)
The operating current consumption (I
of V1 = 3.5 V and V2 = 0 V (normal status).
(Test Condition 4, Test Circuit 2)
The charger detection voltage (V
V1 = 1.8 V, V2 = 0 V to set V1 = V
Measurement of the charger detection voltage is available for the product with overdischarge hysteresis V
The detection voltage for irregular charging current is the voltage between the VM and VSS pin; when gradually
decreasing V2 at V1 = 3.5 V, V2 = 0 V and V
The value of the detection voltage for irregular charging current is equal to the charger detection voltage (V
judged by the threshold voltage (1.0 V) of the N-channel FET. Judge the CO pin level with respect to
V
VM
and the DO pin level with respect to V
CL
) is defined as the voltage between the VDD pin and VSS pin at which V
DO
DO
from “H” to “L” lies between the minimum and the maximum value of load short-circuiting
from “H” to “L” lies between the minimum and the maximum value of discharge
CU
CHA
DU
DL
) is defined as the voltage between the VDD pin and VSS pin at which V
DL
) is defined as the voltage between the VDD pin and VSS pin at which V
+(V
) is the voltage between the VM and VSS pin; when gradually increasing V1 at
) is defined as the voltage between the VDD pin and VSS pin at which V
OPE
HD
) is the current that flows through the VDD pin (I
CU
/2), after that, decreasing V2 gradually from 0 V so that V
SHORT
Seiko Instruments Inc.
) and overcharge release voltage (V
DIOV
CO
) is defined as the voltage between the VM pin and VSS pin whose
) is defined as the voltage between the VM pin and VSS pin whose
goes “H” to “L”.
SS
.
DU
) and overdischarge detection voltage (V
CL
).
HC
) is defined as the difference
DD
CO
) under the set conditions
) and DO pin (V
CO
goes from “L” to “H”
DO
DL
HD
).
goes “L” to “H”.
Rev.4.9
) is defined as
HD
CHA
CO
DO
DO
).
0 only.
DO
goes
) are
goes
goes
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