S-8249AAP-M6T1U Datasheet, PDF (4/22 Pages) Seiko Instruments Inc – VOLTAGE MONITORING IC WITH CELL BALANCING FUNCTION

VOLTAGE MONITORING IC WITH CELL BALANCING FUNCTION
S-8249 Series
Rev.1.2_00
3. Product name list
Table 2
Product Name
Cell Balancing Cell Balancing
Detection Voltage Release Voltage
[V_BU]
[V_BL]
Overcharge
Detection
Voltage
[V_CU]
Overcharge
Release Voltage
[V_CL]
CO Pin
Output Form
CO Pin Combination of
Output Logic Delay Time
S-8249AAP-M6T1U
3.700 V
3.700 V
4.500 V
4.500 V
CMOS output Active "H"
(1)
S-8249AAY-M6T1U
4.150 V
4.150 V
4.275 V
4.275 V
CMOS output Active "H"
(2)
Remark1. Contact our sales office for the products with detection voltage values other than those specified above.
2. Set V_CU > V_BU.
3. Refer to Table 3 for details about combinations of delay times.
Table 3
Combination of
Delay Time
Cell Balancing
Detection Delay Time
[t_BU]
Cell Balancing
Release Delay Time
[t_BL]
Overcharge Detection
Delay Time
[t_CU]
Overcharge Release
Delay Time
[t_CL]
(1)
128 ms
1.0 ms
128 ms
1.0 ms
(2)
128 ms
1.0 ms
1024 ms
1.0 ms
Remark The delay times can be changed within the ranges listed above. For details, please contact our sales
office.
Table 4
Delay Time
Symbol
Selection Range
Cell balancing detection
delay time^*1
t_BU
64 ms 128 ms^*2 256 ms 512 ms 1024 ms
Cell balancing release
delay time
t_BL
0.5 ms
1.0 ms^*2
2.0 ms
Overcharge detection
delay time^*1
t_CU
64 ms 128 ms^*2 256 ms 512 ms 1024 ms
Overcharge release
delay time
t_CL
0.5 ms
1.0 ms^*2
2.0 ms
*1. Set t_CU ≥ t_BU.
*2. The value is the delay time of the standard products.
Remark
Select a value
from the left.
Select a value
from the left.
Select a value
from the left.
Select a value
from the left.
4