s-8244aafph-ceftfg Seiko Instruments Inc., s-8244aafph-ceftfg Datasheet - Page 9

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

Rev.3.5
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 µ s.
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
_00
consumption (I2) as VC1 sink current (I
current consumption (I4) as VC3 sink current (I
Overcharge detection voltage 4 (V
active “H” or Nch open drain) or “L” (for CMOS output active “L” or Pch open drain).
Overcharge detection delay time (t
(for CMOS output active “H” or Nch open drain) or “L” (for CMOS output active “L” or Pch open drain).
Overcharge hysteresis voltage (V
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
VC1
) is defined as a difference between V
) is the period from when V1 goes 4.7 V to when CO is turned to “H”
) is defined as V4 voltage when CO is turned to “H” (for CMOS output
), the current consumption (I3) as VC2 sink current (I
VC3
), respectively.
PDN
CU4
).
and V4 when CO is turned
S-8244 Series
OPE
), the current
VC2
), and the
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