s-8204bad-tct1g Seiko Instruments Inc., s-8204bad-tct1g Datasheet - Page 10

• Manufacturer Part Number: s-8204bad-tct1g
• Description: Battery Protection Ic For 3-series Or 4-series Cell Pack
• Manufacturer: Seiko Instruments Inc.

10
BATTERY PROTECTION IC FOR 3-SERIES OR 4-SERIES CELL PACK
S-8204B Series
4.
5.
3. 7 CIT pin Detection Voltage (V
The CIT pin detection voltage (V
× 0.1 V or less) after increasing the CIT pin’s voltage gradually, after setting V
initial state.
3. 8 Short circuit Detection Voltage Delay Time (t
4. 1 Voltage for Start Charging 0 V Battery (V
4. 2 Battery Voltage for Inhibit Charging 0 V Battery (V
5. 1 Resistance between VMP and VDD (R
5. 2 Resistance between VMP and VSS (R
5. 3 VC1 Pin Current (I
5. 4 CTLC Pin Current “H” (I
Voltage for Start Charging 0 V Battery, Battery Voltage for Inhibit Charging 0 V Battery (Test
circuit 2)
Resistance between VMP and VDD, Resistance between VMP and VSS, VC1 Pin Current, VC2 Pin
Current, VC3 Pin Current, VC4 Pin Current, CTLC Pin Current “H”, CTLC Pin Current “L”, CTLD
Pin Current “H”, CTLD Pin Current “L”, SEL Pin Current “H”, SEL Pin Current “L”, COP Pin
Source Current, COP Pin Leakage Current, DOP Pin Source Current, DOP Pin Sink Current
(Test circuit 4)
Short circuit detection voltage delay time (t
“L” by changing the VINI pin’s voltage instantaneously from the initial status to V
Confirm both COP and DOP pins are in “H” (its voltage level is V
V
(This status is referred to as initial status.)
According to user’s selection of the function to charge 0 V battery, either function of Voltage for start charging 0 V
battery or Battery voltage for inhibit charging 0 V battery is applied to each product.
Voltage for start charging 0 V battery (V
increasing a voltage at V1 gradually, after setting V1 = V2 = V3 = V4 = 0 V from the initial status.
Battery voltage for inhibit charging 0 V battery (V
“L” after decreasing a voltage at V1 gradually from the initial status.
Set V
referred to as initial status.)
The value of resistance between VMP and VDD (R
current (I
The value of resistance between VMP and VSS (R
current (I
In the initial status, each current flows in the VC1 pin, VC2 pin, VC3 pin, VC4 pin is the VC1 pin current (I
VC2 pin current (I
In the initial status, a current which flows in the CTLC pin is the CTLC pin current “H” (I
decreasing a voltage at the CTLC pin gradually, the maximum current which flows in the CTLC pin is; the CTLC
pin current “L” (I
battery)
CTLC
CTLC
= V
VMD
VMS
CTLD
= V
) when V
) when V1 = V2 = V3 = V4 = 1.8 V after the initial status.
CTLD
= V
CTLCL
DD
VC2
= V
, V
), the VC3 pin current (I
VC1
).
VINI
VMP
VINI
), VC2 Pin Current (I
= 1.5 V and V
= V
= V
CTLCH
CIT
SEL
SS
) is the voltage at the CIT pin when the DOP pin’s voltage is set to “L” (voltage V
, CCT pin = Open, CDT pin = Open, CIT pin = Open, V1 = V2 = V3 = V4 = 3.5 V.
CIT
), CTLC Pin Current “L” (I
= V
)
DD
, V
VMP
Seiko Instruments Inc.
0CHA
VINI
VMS
VMD
= V
SHORT
VC3
) is a voltage at V1; when a voltage at the COP pin is set to “H” after
= V
)
0CHA
)
VC2
SS
), the VC4 pin current (I
SS
), VC3 Pin Current (I
after the initial status.
) is a period in which the VINI pin’s voltage changes from “H” to
) (Product with function to charge 0 V battery)
SHORT
0INH
, V1 = V2 = V3 = V4 = 3.5 V, set other pins open. (This status is
VMD
VMS
) is a voltage at V1; when a voltage at the COP pin is set to
) can be defined by R
)
) can be defined by R
0INH
) (Product with function to inhibit charging 0 V
CTLCL
)
DS
× 0.9 V or more) after setting V
VC3
VC4
), VC4 Pin Current (I
), respectively.
VINI
VMD
VMS
= V
SHORT
= V
= V
DIOV1
DS
DS
/I
/I
max.+0.05 V.
max. + 0.05 V from the
VSM
VMD
by using the VMP pin’s
by using the VMP pin’s
VC4
CTLCH
)
VMP
Rev.1.3
). After that,
= V
VC1
SEL
), the
=
_00
DS