s-8244aadph-cedtfg Seiko Instruments Inc., s-8244aadph-cedtfg Datasheet - Page 9

• Manufacturer Part Number: s-8244aadph-cedtfg
• Description: Battery Protection Ic For 1-serial To 4-serial-cell Pack Secondary Protection
• Manufacturer: Seiko Instruments Inc.

Rev.4.2
Test Circuits
BATTERY PROTECTION IC FOR 1-SERIAL TO 4-SERIAL-CELL PACK (SECONDARY PROTECTION)
(1) Test Condition 1, Test Circuit 1
(2) Test Condition 2, Test Circuit 1
(3) Test Condition 3, Test Circuit 1
Set switches 1 and 2 to OFF for CMOS output product.
Set switch 1 to ON and switch 2 to OFF for Nch open drain product.
Set switch 1 to OFF and switch 2 to ON for Pch open drain product.
• Product with CMOS output active “H”, Nch open drain output active “H”
• Product with CMOS output active “L”, Nch open drain output active “L”, Pch open drain output active “L”
Set switches 1 and 2 to OFF for CMOS output product.
Set switch 1 to ON and switch 2 to OFF for Nch open drain product.
Set switch 1 to OFF and switch 2 to ON for Pch open drain product.
• Product with CMOS output active “H”, Nch open drain output active “H”
• Product with CMOS output active “L”, Nch open drain output active “L”, Pch open drain output active “L”
Set switches 1 and 2 to OFF for CMOS output product.
Set switch 1 to ON and switch 2 to OFF for Nch open drain product.
Set switch 1 to OFF and switch 2 to ON for Pch open drain product.
• Product with CMOS output active “H”, Nch open drain output active “H”
• Product with CMOS output active “L”, Nch open drain output active “L”, Pch open drain output active “L”
The overcharge detection voltage 1 (V
V1 gradually, after setting V1 = V2 = V3 = V4 = 3.5 V. After that, gradually decreasing V1’s voltage to set CO = “L”,
and the difference of this V1’s voltage and V
The overcharge detection voltage 2 (V
V2 gradually, after setting V1 = V2 = V3 = V4 = 3.5 V. After that, gradually decreasing V2’s voltage to set CO = “L”,
and the difference of this V2’s voltage and V
The overcharge detection voltage 2 (V
V2 gradually, after setting V1 = V2 = V3 = V4 = 3.5 V. After that, gradually decreasing V2’s voltage to set CO =
“H”, and the difference of this V2’s voltage and V
The overcharge detection voltage 3 (V
V3 gradually, after setting V1 = V2 = V3 = V4 = 3.5 V. After that, gradually decreasing V3’s voltage to set CO = “L”,
and the difference of this V3’s voltage and V
The overcharge detection voltage 3 (V
V3 gradually, after setting V1 = V2 = V3 = V4 = 3.5 V. After that, gradually decreasing V3’s voltage to set CO =
“H”, and the difference of this V3’s voltage and V
The overcharge detection voltage 1 (V
V1 gradually, after setting V1 = V2 = V3 = V4 = 3.5 V. After that, gradually decreasing V1’s voltage to set CO =
“H”, and the difference of this V1’s voltage and V
_00
CU1
CU2
CU2
CU3
CU3
CU1
Seiko Instruments Inc.
) is a voltage at V1; when the CO pin’s voltage is set to “H” by increasing
) is a voltage at V2; when the CO pin’s voltage is set to “H” by increasing
) is a voltage at V3; when the CO pin’s voltage is set to “H” by increasing
) is a voltage at V2; when the CO pin’s voltage is set to “L” by increasing
) is a voltage at V3; when the CO pin’s voltage is set to “L” by increasing
) is a voltage at V1; when the CO pin’s voltage is set to “L” by increasing
CU1
CU2
CU3
is the overcharge hysteresis voltage 1 (V
is the overcharge hysteresis voltage 2 (V
is the overcharge hysteresis voltage 3 (V
CU2
CU3
CU1
is the overcharge hysteresis voltage 2 (V
is the overcharge hysteresis voltage 3 (V
is the overcharge hysteresis voltage 1 (V
CD1
CD2
CD3
).
).
).
CD2
CD3
CD1
S-8244 Series
).
).
).
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