Maxim Integrated DS2762BE 025

Description
The DS2762 is a high-precision Li battery monitor designed for cost-sensitive battery pack applications. It integrates precise temperature, voltage, and current measurement, nonvolatile (NV) data storage, and Li protection into a small footprint. The DS2762 is a key component in applications including remaining capacity estimation, safety monitoring, and battery-specific data storage.

Features
Li Safety Circuit
Overvoltage Protection
Overcurrent/Short-Circuit Protection
Undervoltage Protection
Host Alerted When Accumulated Current or Temperature Exceeds User-Selectable Limits
OV Battery Recovery Charge
Available in Two Configurations:
Internal 25mΩ Sense Resistor
External User-Selectable Sense Resistor
Current Measurement
12-Bit Bidirectional Measurement
Internal Sense Resistor Configuration: 0.625mA LSB and ±1.9A Dynamic Range
External Sense Resistor Configuration: 15.625µV LSB and ±64mV Dynamic Range
Current Accumulation:
Internal Sense Resistor: 0.25mAhr LSB
External Sense Resistor: 6.25µVhr LSB
Voltage Measurement with 4.88mV 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: 60µA typ, 90µA max
Sleep Current: 1μA typ, 2μA max

Applications
PDAs
Cell Phones/Smartphones
Digital Cameras