s-8261aaj Seiko Instruments Inc., s-8261aaj Datasheet - Page 15

• Manufacturer Part Number: s-8261aaj
• Description: Battery Protection Ic For 1-cell Pack
• Manufacturer: Seiko Instruments Inc.

Rev.4.6
Test Circuits
Caution
(1) Test Condition 1, Test Circuit 1
(2) Test Condition 2, Test Circuit 2
(3) Test Condition 3, Test Circuit 2
(4) Test Condition 4, Test Circuit 2
(5) Test Condition 5, Test Circuit 2
(Overcharge Detection Voltage, Overcharge Hysteresis Voltage)
(Overdischarge Detection Voltage, Overdischarge Hysteresis Voltage)
(Overcurrent 1 Detection Voltage, Overcurrent 2 Detection Voltage, Load Short-Circuiting Detection Voltage)
(Charger Detection Voltage, Abnormal Charge Current Detection Voltage)
(Normal Operation Current Consumption, Power-Down Current Consumption, Overdischarge Current Consumption)
The overcharge detection voltage (V
to “L” when the voltage V1 is gradually increased from the starting condition of V1
hysteresis voltage (V
voltage between VDD and VSS at which V
The overdischarge detection voltage (V
“H” to “L” when the voltage V1 is gradually decreased from the starting condition of V1
overdischarge hysteresis voltage (V
(V
increased.
The overcurrent 1 detection voltage (V
changing V
time when the voltage V2 is increased rapidly (within 10 s) from the starting condition V1
The overcurrent 2 detection voltage (V
changing V
time when the voltage V2 is increased rapidly (within 10 s) from the starting condition V1
The load short-circuiting detection voltage (V
for changing V
detection delay time when the voltage V2 is increased rapidly (within 10 s) from the starting condition V1
V2
The charger detection voltage (V
when the voltage V2 is gradually decreased from 0 V after the voltage V1 is gradually increased from the starting
condition of V1
The charger detection voltage can be measured only in the product whose overdischarge hysteresis V
Set V1
from “H” to “L” is the abnormal charge current detection voltage. The abnormal charge current detection voltage has
the same value as the charger detection voltage (V
For products with power-down function
The operating current consumption (I
V1
The power-down current consumption (I
of V1
For products without power-down function
The operating current consumption (I
V1
The Overdischarge current consumption (I
conditions of V1
DL
_00
) and the voltage between VDD and VSS at which V
0 V.
3.5 V and V2
3.5 V and V2
Unless otherwise specified, the output voltage levels “H” and “L” at CO pin (V
judged by the threshold voltage (1.0 V) of the N-channel FET. Judge the CO pin level with respect to
V
V2
VM
3.5 V and V2
DO
DO
and the DO pin level with respect to V
1.5 V (Overdischarge status).
from “H” to “L” lies between the minimum and the maximum value of the overcurrent 1 detection delay
from “H” to “L” lies between the minimum and the maximum value of the overcurrent 2 detection delay
DO
1.8 V and V2
V2
from “H” to “L” lies between the minimum and the maximum value of the load short-circuiting
0 V (Normal status).
0 V (Normal status).
HC
) is then defined as the difference between the overcharge detection voltage (V
1.5 V (Overdischarge status).
0 V. Decrease V2 from 0 V gradually. The voltage between VM and VSS when V
CHA
0 V until the voltage V1 becomes V1
HD
) is defined as the voltage between VM and VSS at which V
CU
OPE
OPE
) is then defined as the difference between the overdischarge detection voltage
) is defined as the voltage between VDD and VSS at which V
PDN
DL
IOV1
IOV2
) is the current that flows through the VDD pin (I
) is the current that flows through the VDD pin (I
) is defined as the voltage between VDD and VSS at which V
CO
Seiko Instruments Inc.
) is the current that flows through the VDD pin (I
) is defined as the voltage between VM and VSS whose delay time for
) is defined as the voltage between VM and VSS whose delay time for
OPED
goes from “L” to “H” when the voltage V1 is gradually decreased.
SHORT
) is the current that flows through the VDD pin (I
BATTERY PROTECTION IC FOR 1-CELL PACK
) is defined as the voltage between VM and VSS whose delay time
CHA
SS
.
).
DO
goes from “L” to “H” when the voltage V1 is gradually
V
DL
(V
HD
/ 2).
DD
DD
) under the set conditions of
) under the set conditions of
DD
3.5 V and V2
3.5 V and V2
3.5 V and V2
CO
) under the set conditions
3.5 V.
) and DO pin (V
DO
S-8261 Series
goes from “L” to “H”
DD
CO
The overcharge
HD
) under the set
goes from “H”
DO
CU
0.
0 V.
0 V.
0 V. The
goes from
3.5 V and
) and the
CO
DO
goes
) are
15