ATA6870 Description
The ATA6870 is a measurement and monitoring circuit designed for Li-ion and NiMH multicell battery stacks in hybrid electrical vehicles. The ATA6870 monitors the battery-cell voltage and the battery-cell temperature with a 12-bit ADC. The circuit also provides charge-balancing capability for each battery-cell.
ATA6870 Key Features
- Parallel Balancing of Cells Possible Integrated Power Supply for MCU Undervoltage Detection Less than 10 µA Standby Curr
- Each IC Monitors up to 6 Battery Cells
- 16 ICs (96 Cells) per String
- No Limit on Number of Strings Package QFN48 7 mm × 7 mm
- Li-Ion, NiMH Battery Measuring, Charge Balancing and Power-supply Circuit ATA6870 Preliminary
ATA6870 Applications
- Battery Measurement, Supply and Monitoring IC for Li-ion and NiMH Battery Systems
- Highest Safety Level for Li-ion Battery Systems in bination with ATA6871
- Cost Reduction Due to Integrated Measurement Circuit and High Voltage Power-supply