DS2751

DS2751 Multichemistry Battery Fuel Gauge www.maxim-ic.com FEATURES § Available in Two Configurations - Internal 25mW 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: 15.625mV LSB and ±64mV Dynamic Range Current Accumulation - Internal Sense Resistor: 0.25mAhr LSB - External Sense Resistor: 6.25mVhr LSB Voltage Measurement with 4.88mV Resolution Temperature Measurement Using Integrated Sensor with 0.125°C Resolution 32 Bytes of Lockable EEPROM 16 Bytes of General-Purpose SRAM Dallas 1-Wire® Interface with Unique 64-Bit Device Address Supports 1-Cell Li+/Polymer or 3-Cell Ni Battery Packs 3mm Dimension of 8-Pin TSSOP Package Allows Mounting on Side of Thin Li+ and Li+/Polymer Cells (Lead Free available) Low Power Consumption: - Active Current: 60mA (typ), 90mA (max) - Sleep Current: 1mA (typ), 2mA (max) PIN CONFIGURATION VIN VSS PIO VDD 1 2 2 3 2 4 8 7 6 5 DQ SNS IS2 IS1 § DS2751E 8-Pin TSSOP Package (Lead Free Available) PIN DESCRIPTION VIN VSS PIO VDD IS1 IS2 SNS DQ Voltage-Sense Input Device Ground Programmable I/O Pin Power-Supply Input (2.5V to 5.5V) Current-Sense Input Current-Sense Input Sense Resistor Connection Data Input/Output § § § § § § § § § 1-Wire is a registered trademark of Dallas Semiconductor. 1 of 19 020105 DS2751 ORDERING INFORMATION MARKING TEMP RANGE DESCRIPTION 8-Pi...