S-8243A Datasheet, PDF (8/34 Pages) Seiko Instruments Inc – BATTRY PROTECTION IC FOR 3-SERIAL OR 4-SERIAL CELL PACK

BATTERY PROTECTION IC FOR 3-SERIAL OR 4-SERIAL CELL PACK
S-8243A/B Series
Rev.2.4_00
„ Electrical Characteristics
(1) S-8243A Series
Table 6 (1/2)
(Ta = 25 °C unless otherwise specified)
Item
Symbol
Conditions
Min.
Typ.
Max.
Unit Test circuit
BATTERY PROTECTION
Overcharge detection voltage n
n=1, 2, 3
V_CUn 3.9 V to 4.4 V, 50 mV Step
V_CUn
−0.025
V_CUn
V_CUn
V
+0.025
4
Hysteresis voltage n of
overcharge detection
n=1, 2, 3
V_HCn −0.10 V to −0.40 V, and 0 V
V_HCn
−0.05
V_HCn
V_HCn
V
+0.05
4
Overdischarge detection voltage
n=1, 2, 3
V_DLn 2.0 V to 3.0 V, 100 mV Step
V_DLn
−0.08
V_DLn
V_DLn
V
+0.08
4
Hysteresis voltage n of
Overdischarge detection
n=1, 2, 3
V_HDn 0.20 V to 0.70 V, and 0 V
V_HDn
−0.10
V_HDn
V_HDn
V
+0.10
4
Overcurrent detection voltage 1 V_IOV1 0.05 V to 0.3 V, 50 mV Step
V_IOV1
−0.025
V_IOV1
V_IOV1
V
+0.025
4
Overcurrent detection voltage 2 V_IOV2
⎯
V_DD−0.60 V_DD−0.50 V_DD−0.40
V
4
Overcurrent detection voltage 3 V_IOV3
⎯
V_DD×0.425 V_DD×0.5 V_DD×0.575
V
4
Temperature coefficient for
detection and release voltage^*1
T_COE1
Ta= −5 °C to +55 °C
−1.0
0
1.0
mV/°C
4
Temperature coefficient for
overcurrent detection voltage^*2
T_COE2
Ta= −5 °C to +55 °C
−0.5
0
0.5
mV/°C
4
0 V BATTERY CHARGING FUNCTION
0 V battery charge starting
charger voltage
V_0CHA 0 V battery charging available
⎯
0.8
1.5
V
7
0 V battery charge inhibition
battery voltage
V_0INH 0 V battery charging unavailable 0.4
0.7
1.1
V
7
INTERNAL RESISTANCE
Internal resistance between
VMP and VDD
R_VDM
V1=V2=V3=3.5 V
500
1100
2400
kΩ
8
Internal resistance between
VMP and VSS
R_VSM
V1=V2=V3=1.8 V
300
700
1500
kΩ
8
VOLTAGE REGULATOR
Output voltage
V_OUT V_DD=14 V, I_OUT=3 mA
3.221
3.300
3.379
V
2
Line regulation
ΔV_OUT1 V_DD=6 V→18 V, I_OUT=3 mA
⎯
5
15
mV
2
Load regulation
ΔV_OUT2 V_DD=14 V, I_OUT=5 μA→3 mA
⎯
15
30
mV
2
BATTERY MONITOR AMP
Input offset voltage n
n=1, 2, 3
V_OFFn V1=V2=V3=3.5 V
60
165
270
mV
3
Voltage gain n
n=1, 2, 3
GAMPn V1=V2=V3=3.5 V
0.2×0.99
0.2
0.2×1.01
⎯
3
INPUT VOLTAGE, OPERATING VOLTAGE
Operating voltage between V_DD
and V_SS
V_DSOP
⎯
6
⎯
18
V
4
CTL1 input voltage for High
V_CTL1H
⎯
V_DD×0.8
⎯
⎯
V
6
CTL1 input voltage for Low
V_CTL1L
⎯
⎯
⎯
V_DD×0.2
V
6
CTLn input voltage for High
n=2, 3, 4
V_CTLnH
⎯
V_OUT×0.9
⎯
V_OUT
V
3, 6
CTLn input voltage for Low
n=2, 3, 4
V_CTLnL
⎯
⎯
⎯
V_OUT×0.1
V
3, 6
8
Seiko Instruments Inc.