For Automotive 105°C Operation Voltage Monitoring IC with Cell Balancing Function S-19190 Series

Available Applications
Automotive ICs are categorized according to their application. The following symbols indicate the types of applications for which an IC can be used.
Safety critical components typified by engine, transmission, suspension and ABS, and EV/HEV/PHEV related equipment, etc.
Meter, body, headlamp, ITS, etc.
Accessory, car navigation, car audio system, etc.

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 ~ 4.6 V (5 mV step)
Accuracy ±12 mV (2.0 V≦Vbu<2.4 V)
Accuracy ±0.5% (2.4 V≦Vbu≦4.6 V)
Cell balancing release voltage: 2.0 V ~ 4.6 V*1
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 ~ 4.6 V (5 mV step)
Accuracy ±12 mV (2.0 V≦Vcu<2.4 V)
Accuracy ±0.5% (2.4 V≦Vcu≦4.6 V)
Overcharge release voltage: 2.0 V ~ 4.6 V*2
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 5Ωtyp. 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℃ to +105℃
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