Date: 08/07/2012

Battery management IC for monitoring Li-Ion and Lead-Acid batteries in Evs

IC Sense is offering battery management ICs for measuring the health and charge of Li-Ion high-voltage battery systems and standard PbSO4 (Lead Acid) batteries in battery driven power systems which also includes electric cars or motorbikes. Based on switched-capacitor instrumentation circuits, these ICs acquire signals from -0.3V to 35V.
Below parameters are permanently monitored by IC Sense' Battery management ICs:
Battery voltage: divided to 12V input
Battery current: shunt resistor or hall sensor
Battery temperature: NTC resistor + ASIC junction also measured
Battery lifetime

Key features:
Switched-capacitor low-offset, low noise, high-gain instrumentation
System-level chopping
Multi-channel measurements multiplexed to one 14-bit ADC
Input signals below -0.3V, maximum input voltage 35V
0.35um, 50V technology
Junction temperature: -40°C to 150°C