DS2755

Features: `Snapshot Mode Allows Instantaneous Power Measurement`Accurate Current Measurement for Coulomb Counting (Current Accumulation)- 2% ±4V over ±64mV Input Range- 2% ±200A over ±3.2A Range Using a 20m Sense Resistor`Current Measurement- 9-Bit Bidirectional Snapshot Measurement- 12-Bit Bidir...

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DS2755 Picture
SeekIC No. : 004328936 Detail

DS2755: Features: `Snapshot Mode Allows Instantaneous Power Measurement`Accurate Current Measurement for Coulomb Counting (Current Accumulation)- 2% ±4V over ±64mV Input Range- 2% ±200A over ±3.2A Range Us...

floor Price/Ceiling Price

Part Number:
DS2755
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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268 Transactions

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Upload time: 2024/12/26

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Product Details

Description



Features:

`Snapshot Mode Allows Instantaneous Power Measurement
`Accurate Current Measurement for Coulomb Counting (Current Accumulation)
- 2% ±4V over ±64mV Input Range
- 2% ±200A over ±3.2A Range Using a 20m Sense Resistor
`Current Measurement
- 9-Bit Bidirectional Snapshot Measurement
- 12-Bit Bidirectional Average Updated Every 88ms
- 15-Bit Bidirectional Average Updated Every 2.8s
`Voltage Measurement
- 9-Bit Snapshot Measurement
- 10-Bit Measurement Updated Every 4ms
`Temperature Measurement
- 10-Bit Measurement, 0.125 Resolution Using Integrated Sensor
`Host Alerted When Accumulated Current or Temperature Exceeds User-Selectable Limits
`96 Bytes of Lockable EEPROM
`8 Bytes of General-Purpose SRAM
`Dallas 1-Wire® Interface with Unique 64-Bit Device Address with Standard 16kbps or Overdrive 142kbps Timing
`3mm Dimension of 8-Pin TSSOP Package Allows Mounting on Side of Thin Prismatic Li+ and Li+/Polymer Cells



Application

·Cell Phones
·Digital Cameras
·Smartphones
·PDAs
·Portable Consumer Products



Pinout

  Connection Diagram


Specifications

Voltage on PIO Pin, Relative to VSS  .........-0.3V to +12V
Voltage on All Other Pins, Relative to VSS  ...... -0.3V to +6V
Continuous Sink Current, DQ, PIO ..............12mA
Operating Temperature Range ...........-40 to +85
Storage Temperature Range  ...........-55 to +125
Soldering Temperature............ See J-STD-020 Specification
* This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operation sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability.



Description

The DS2755 high-precision battery fuel gauge is a data-acquisition and information-storage device tailored for cost-sensitive and space-constrained 1-cell Li+/polymer battery-pack applications. The DS2755 provides the key hardware components 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 DS2755 gives the host system read/write access to status and control registers, instrumentation registers, and generalpurpose data storage. Each device has a unique factory-programmed 64-bit net address that allows it to be individually addressed by the host system,supporting multibattery operation.




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