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Seiko Instruments Electronic Components Datasheet


S-19190

VOLTAGE MONITORING IC



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S-19190 pdf
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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S-19190 pdf
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



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