S-8244 SII [Seiko Instruments Inc], S-8244 Datasheet - Page 9
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S-8244
Manufacturer Part Number
S-8244
Description
BATTERY PROTECTION IC FOR 1-SERIAL TO 4-SERIAL-CELL PACK (SECONDARY PROTECTION)
Manufacturer
SII [Seiko Instruments Inc]
Datasheet
1.S-8244.pdf
(27 pages)
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Rev.3.3
BATTERY PROTECTION IC FOR 1-SERIAL TO 4-SERIAL-CELL PACK (SECONDARY PROTECTION)
(4) Test Condition 4, Test Circuit 1
(5) Test Condition 5, Test Circuit 2
(6) Test Condition 6, Test Circuit 3
Conditions:
• Set switches 1 and 2 to OFF for CMOS output models.
• Set switch 1 to ON and switch 2 to OFF for Nch open drain models.
• Set switch 1 to OFF and switch 2 to ON for Pch open drain models.
Definitions:
• Set V1, V2, V3 and V4 to 3.5 V and gradually increase V4.
• Next, gradually decrease V4.
Conditions:
• Set switches 1 and 2 to OFF for CMOS output models.
• Set switch 1 to ON and switch 2 to OFF for Nch open drain models.
• Set switch 1 to OFF and switch 2 to ON for Pch open drain models.
Definition:
• Set V1, V2, V3 and V4 to 3.5 V and momentarily rise V1 to 4.7 V within 10 µs.
Conditions:
Definition:
Conditions:
• Set V1, V2, V3 and V4 to 3.5 V.
• Measure current consumption I1, I2, I3, and I4.
Definition:
•The current consumption (I1) is defined as current consumption during normal operation (I
• Set V1, V2, V3 and V4 to 2.3 V.
• Measure current consumption (I1).
• The current consumption (I1) is defined as current consumption at power down (I
current consumption (I2) as VC1 sink current (I
(I
_00
VC2
), and the current consumption (I4) as VC3 sink current (I
Overcharge detection voltage 4 (V
CMOS output active “H” or Nch open drain) or “L” (for CMOS output active “L” or Pch open
drain).
Overcharge detection delay time (t
turned to “H” (for CMOS output active “H” or Nch open drain) or “L” (for CMOS output active “L”
or Pch open drain).
Overcharge hysteresis voltage (V
is turned to “L” (for CMOS output active “H” or Nch open drain) or “H” (for CMOS output active
“L” or Pch open drain).
Seiko Instruments Inc.
CD4
CU4
CU
) is defined as a difference between V
) is the period from when V1 goes 4.7 V to when CO is
) is defined as V4 voltage when CO is turned to “H” (for
VC1
), the current consumption (I3) as VC2 sink current
VC3
), respectively.
CU4
PDN
S-8244 Series
and V4 when CO
).
OPE
), the
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