The DS2760BE High Precision Li-Ion Battery Monitor is a data acquisition, information storage, and safety protection device tailored for cost-sensitive battery pack applications. This low-power device integrates precise temperature, voltage, and current measurement, nonvolatile data storage, and Li-Ion protection into the small footprint of either a TSSOP package or flip-chip. The DS2760BE is a key component in applications including remaining capacity estimation, safety monitoring, and battery-specific data storage.
Feature
■ Li-Ion safety circuit
- Overvoltage protection
- Overcurrent/short circuit protection
- Undervoltage protection
■ Available in two configurations:
- Internal 25 mΩ sense resistor
- External user-selectable sense resistor
■ Current measurement
- 12-bit bi-directional measurement
- Internal sense resistor configuration: 0.625 mA LSB and ±1.8A dynamic range
- External sense resistor configuration: 15.625 µV LSB and ±64 mV dynamic range
■ Current accumulation
- Internal sense resistor: 0.25 mAhr LSB
- External sense resistor: 6.25 µVhr LSB
■ Voltage measurement with 4.88 mV resolution
■ Temperature measurement using integrated sensor with 0.125°C resolution
■ System power management and control feature support
■ 32 bytes of lockable EEPROM
■ 16 bytes of general purpose SRAM
■ Dallas 1-Wire® interface with unique 64-bit device address
■ Low power consumption:
- Active current: 80 µA max
- Sleep current: 2 µA max
