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DS2756 Datasheet High-accuracy Battery Fuel Gauge

Manufacturer: Maxim Integrated (now Analog Devices)

Overview: 19-4633; 5/09 .maxim-ic. GENERAL.

General Description

The DS2756 high-precision battery fuel gauge is a data-acquisition and information-storage device tailored for cost-sensitive and space-constrained 1cell Li+/polymer battery-pack applications.

The DS2756 provides the key hardware ponents required to accurately estimate remaining capacity by integrating low-power, precision measurements of temperature, voltage, current, and current accumulation, as well as nonvolatile (NV) data storage, into the small footprint of a 3.0mm x 4.4mm 8-pin TSSOP package.

Through its 1-Wire interface, the DS2756 gives the host system read/write access to status and control registers, instrumentation registers, and generalpurpose data storage.

Key Features

  • Programmable Suspend Mode.
  • Accurate Current Accumulation - 2% ±4V over ±64mV Input Range - 2% ±200A over ±3.2A with 20m Sense.
  • Current Measurement - 9-Bit Snapshot Measurement - 12-Bit Average Updated Every 88ms - 15-Bit Average Updated Every 2.8s.
  • Voltage Measurement - 9-Bit Snapshot Measurement - 10-Bit Average Updated Every 4ms.
  • Temperature Measurement - 10-Bit with 0.125C Resolution.
  • Snapshot Mode Allows Instantaneous Power Measurement.
  • Host Alerted Wh.

More Datasheets from Maxim Integrated (now Analog Devices)

Part Number Description
DS2751 Multichemistry Fuel Garge
DS2704 1280-Bit EEPROM
DS2705 SHA-1 Authentication Master
DS2711 (DS2711 / DS2712) Loose Cell NiMH Chargers
DS2712 (DS2711 / DS2712) Loose Cell NiMH Chargers
DS2714 Quad Loose Cell NiMH Charger
DS2741 Current Monitor and Accumulator
DS2745 Low-Cost I2C Battery Monitor
DS2764 High-Precision Li+ Battery Monitor
DS2775 2-Cell Stand-Alone Li+ Fuel-Gauge

DS2756 Distributor