S-8239BAA-M6T1U Datasheet, PDF (6/25 Pages) Seiko Instruments Inc – OVERCURRENT MONITORING IC

OVERCURRENT MONITORING IC FOR MULTI-SERIAL-CELL PACK
S-8239B Series
Rev.1.1_03
 Electrical Characteristics
1. Ta = +25°C
Table 5
(Ta = +25°C unless otherwise specified)
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
Test
Condition
Test
Circuit
Detection Voltage
Overcurrent 1 detection voltage V_DIOV1
−
V_DIOV1
− 0.015
V_DIOV1
V_DIOV1
+ 0.015
V
1
1
Overcurrent 2 detection voltage^*1 V_DIOV2
−
V_DIOV2
− 0.100
V_DIOV2
V_DIOV2
+ 0.100
V
1
1
Overcurrent 3 detection voltage
V_DIOV3
Overcurrent 3 detection function
"available"
0.90
1.20
1.50
V
1
1
UVLO detection voltage
V_UVLO
−
1.90 2.00 2.10 V
1
1
Release Voltage
Overcurrent release voltage
V_RIOV V_DD criteria, V_DD = 3.5 V
Input Voltage, Operation Voltage
0.7 1.2 1.5 V
1
1
Operation voltage between
VDD pin and VSS pin
V_DSOP Output logic is determined^*2
1.5
−
8
V
−
−
Current Consumption
Current consumption during
normal operation
Current consumption during
power-down
I_OPE V_DD = 3.5 V, V_VM = 0 V
I_PDN
V_DD = V_VM = 1.5 V
1.0 3.5 7.0 μA
2
2
−
−
0.1 μA
2
2
Internal Resistance
Internal resistance between
VM pin and VDD pin
R_VMD V_DD = 1.8 V, V_VM = 0 V
100 300 900 kΩ
3
3
Output Resistance
DO pin resistance "L"
Delay Time
R_DOL V_DD = V_VINI = 3.5 V, V_DO = 0.5 V 2.5
5
10 kΩ
4
4
Overcurrent 1 detection delay
time
t_DlOV1
−
t_DIOV1
× 0.6
t_DIOV1
t_DIOV1
× 1.4
ms
5
5
Overcurrent 2 detection delay
time
t_DlOV2
−
t_DIOV2
× 0.6
t_DIOV2
t_DIOV2
× 1.4
ms
5
5
Overcurrent 3 detection delay
time
t_DlOV3
Overcurrent 3 detection function
"available"
168
280
392
μs
5
5
UVLO detection delay time
t_UVLO
−
2.94 4.90 6.86 s
5
5
*1. Even if overcurrent 1 detection voltage and overcurrent 2 detection voltage are in the same range, V_DIOV1 is lower than
V_DIOV2.
*2. It indicates that DO pin output logic is determined.
6