S-19190 Datasheet PDF - Seiko

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S-19190
Seiko

Part Number S-19190
Description VOLTAGE MONITORING IC
Page 24 Pages


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S-19190 Series
www.sii-ic.com
FOR AUTOMOTIVE 105°C OPERATION
VOLTAGE MONITORING IC WITH CELL BALANCING FUNCTION
© SII Semiconductor Corporation, 2015-2016
Rev.1.3_00
The S-19190 Series is a voltage monitoring IC with a cell balancing function and includes a high-accuracy voltage
detection circuit and a delay circuit.
The S-19190 Series is suitable for cell balancing and overcharge protection of batteries and capacitors.
Caution This product can be used in vehicle equipment and in-vehicle equipment. Before using the product
in the purpose, contact to SII Semiconductor Corporation is indispensable.
Features
High-accuracy voltage detection circuit
Cell balancing detection voltage: 2.0 V to 4.6 V (5 mV step)
Accuracy ±12 mV (2.0 V VBU < 2.4 V)
Cell balancing release voltage: 2.0 V to 4.6 V*1
Accuracy ±0.5% (2.4 V VBU 4.6 V)
Accuracy ±24 mV (2.0 V VBL < 2.4 V)
Accuracy ±1.0% (2.4 V VBL 4.6 V)
Overcharge detection voltage: 2.0 V to 4.6 V (5 mV step)
Accuracy ±12 mV (2.0 V VCU < 2.4 V)
Overcharge release voltage:
2.0 V to 4.6 V*2
Accuracy ±0.5% (2.4 V VCU 4.6 V)
Accuracy ±24 mV (2.0 V VCL < 2.4 V)
Accuracy ±1.0% (2.4 V VCL 4.6 V)
Built-in Nch transistor with ON resistance of 5 Ω typ. between the CB pin and the VSS pin
Current consumption:
2.0 μA max. (Ta = +25°C)
Delay times are generated only by an internal circuit (External capacitors are unnecessary).
CO pin output form and output logic are selectable: CMOS output
Active "H", active "L"
_____ Nch open-drain output Active "H", active "L"
Switchable to power-saving mode by using the CE pin
Operation temperature range:
Ta = 40°C to +105°C
Lead-free (Sn 100%), halogen-free
AEC-Q100 qualified*3
*1. Cell balancing release voltage = Cell balancing detection voltage Cell balancing hysteresis voltage
(Cell balancing hysteresis voltage can be selected as 0 V or from a range of 0.1 V to 0.7 V in 50 mV step.)
*2. Overcharge release voltage = Overcharge detection voltage Overcharge hysteresis voltage
(Overcharge hysteresis voltage can be selected as 0 V or from a range of 0.1 V to 0.7 V in 50 mV step.)
*3. Contact our sales office for details.
Applications
Rechargeable battery module
Capacitor module
Package
SOT-23-6
1



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FOR AUTOMOTIVE 105°C OPERATION VOLTAGE MONITORING IC WITH CELL BALANCING FUNCTION
S-19190 Series
Rev.1.3_00
Block Diagram
VDD
CB
VSS
+ Control circuit
Delay circuit
+
Power-saving mode
switching circuit
1 MΩ
1 MΩ
CO
DP
_____
CE
*1. All diodes shown in the figure are parasitic diodes.
Figure 1
2



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FOR AUTOMOTIVE 105°C OPERATION VOLTAGE MONITORING IC WITH CELL BALANCING FUNCTION
Rev.1.3_00
S-19190 Series
AEC-Q100 Qualified
This IC supports AEC-Q100 for operation temperature grade 2.
Contact our sales office for details of AEC-Q100 reliability specification.
Product Name Structure
1. Product name
S-19190 xx H - M6T1 U
Environmental code
U: Lead-free (Sn 100%), halogen-free
Package abbreviation and IC packing specifications*1
M6T1: SOT-23-6, Tape
Operation temperature
H: Ta = 40°C to +105°C
Serial code
Sequentially set from AA to ZZ
*1. Refer to the tape drawing.
2. Package
Package Name
SOT-23-6
Table 1 Package Drawing Codes
Dimension
Tape
MP006-A-P-SD MP006-A-C-SD
Reel
MP006-A-R-SD
3



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FOR AUTOMOTIVE 105°C OPERATION VOLTAGE MONITORING IC WITH CELL BALANCING FUNCTION
S-19190 Series
Rev.1.3_00
3. Product name list
Table 2
Product Name
Cell Balancing Cell Balancing
Detection Voltage Release Voltage
[VBU]
[VBL]
Overcharge
Detection
Voltage
[VCU]
Overcharge
Release Voltage
[VCL]
CO Pin
Output Form
CO Pin Combination of
Output Logic Delay Time
S-19190AOH-M6T1U
2.000 V
2.000 V
3.000 V
3.000 V
CMOS output Active "H"
(1)
S-19190AYH-M6T1U
4.150 V
4.150 V
4.275 V
4.275 V
CMOS output Active "H"
(2)
Remark 1. Contact our sales office for the products with detection voltage values other than those specified above.
2. Set VCU > VBU.
3. Refer to Table 3 for details about combinations of delay times.
Table 3
Combination of
Delay Time
Cell Balancing
Detection Delay Time
[tBU]
Cell Balancing
Release Delay Time
[tBL]
Overcharge
Detection Delay Time
[tCU]
Overcharge Release
Delay Time
[tCL]
(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
tBU
64 ms 128 ms*2 256 ms 512 ms 1024 ms
Cell balancing release
delay time
tBL
0.5 ms
1.0 ms*2
2.0 ms
Overcharge detection
delay time*1
tCU
64 ms 128 ms*2 256 ms 512 ms 1024 ms
Overcharge release
delay time
tCL
0.5 ms
1.0 ms*2
2.0 ms
*1. Set tCU tBU.
*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



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Seiko
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