s-8215a Seiko Instruments Inc., s-8215a Datasheet - Page 7

• Manufacturer Part Number: s-8215a
• Description: S-8215a Series Battery Protection Ic
• Manufacturer: Seiko Instruments Inc.

Rev.1.1
Test Circuits
1. Overcharge Detection Voltage, Overcharge Hysteresis Voltage (Test Circuit 1)
2. Output Current (Test Circuit 5)
1. 1 Overcharge Detection Voltage n (V
1. 2 Overcharge Hysteresis Voltage n (V
2. 1 CMOS Output Current
2. 2 Nch Open Drain Output Current
Overcharge hysteresis voltage V
Overcharge detection voltage V
Set V1 = V
between V1 voltage and V
Set SW1 and SW2 to OFF.
2. 1. 1 Active “H”
2. 1. 2 Active “L”
Set SW1 and SW2 to OFF.
2. 2. 1 Active “H”
2. 2. 2 Active “L”
Set V1 = V2 = V3 = V4 = V5 = V
pin’s output changes after the voltage of V1 has been gradually increased.
_00
(1) CO pin source current (I
(2) CO pin sink current (I
(1) CO pin source current (I
(2) CO pin sink current (I
(1) CO pin leakage current “L” (I
(2) CO pin sink current (I
(1) CO pin leakage current “L” (I
(2) CO pin sink current (I
Set SW2 to ON after setting V1 to V5 = 3.5 V, V7 = 0.5 V. I2 is the CO pin sink current (I
Set SW1 to ON after setting V1 to V5 = 3.5 V, V6 = 0.5 V. I1 is the CO pin source current (I
Set SW2 to ON after setting V1 = 5.5 V, V2 to V5 = 3.0 V, V7 = 0.5 V. I2 is the CO pin sink current (I
time.
Set SW1 to ON after setting V1 = 5.5 V, V2 to V5 = 3.0 V, V6 = 0.5 V. I1 is the CO pin source current (I
that time.
Set SW2 to ON after setting V1 = 5.5 V, V2 to V5 = 3.0 V, V7 = 17.5 V. I2 is the CO pin leakage current “L” (I
at that time.
Set SW2 to ON after setting V1 to V5 = 3.5 V, V7 = 17.5 V. I2 is the CO pin leakage current “L” (I
time.
Set V1 to V5 = 3.5 V, V7 = 0.5 V. I2 is the CO pin sink current (I
Set V1 = 5.5 V, V2 to V5 = 3.0 V, V7 = 0.5 V. I2 is the CO pin sink current (I
CU
BATTERY PROTECTION IC FOR 4-SERIAL / 5-SERIAL CELL PACK (SECONDARY PROTECTION)
+ 0.05 V, V2 = V3 = V4 = V5 = 2.5 V. The overcharge hysteresis voltage 1 (V
CU1
COL
COL
COL
COL
when the CO pin’s output changes after the V1 voltage has been gradually decreased.
CU
CUn
HCn
COH
COH
)
)
)
)
− 0.05 V. The Overcharge detection voltage 1 (V
(n = 2 to 5) can be determined in the same way as when n = 1.
)
)
(n = 2 to 5) can be determined in the same way as when n = 1.
COLL
COLL
CUn
HCn
Seiko Instruments Inc.
)
)
)
)
COL
) at that time.
CU1
COL
) is the V1 voltage when the CO
) at that time.
S-8215A Series
COL
HC1
COH
) at that time.
) is the difference
) at that time.
COLL
COL
) at that
) at that
COH
COLL
) at
7
)