Product Lifecycle Obsolete
The models in this product family are no longer available.
To find replacement products for this part:
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Evaluation Kits (1)
Demonstration circuit 1496C-A features the LTC2941. Demonstration circuit 1496C-B features the LTC2942. Demonstration circuit 1496C-C features the LTC2941-1. Demonstration circuit 1496C-D features the LTC2942-1. The C, D options have parts that use an internal sense resistor while the A, B options rely on an external precision sense resistor. All four devices measure battery charge state in handheld PC and portable product applications. The operating range is perfectly suited for single cell Li-Ion batteries. A precision analog coulomb counter integrates current through a sense resistor between the battery’s positive terminal and the load or charger. The LTC2942 adds battery voltage and on-chip temperature measurement with an internal 14-bit No Latency ΔΣ™ ADC. The three measured quantities (charge, voltage and temperature) are stored in internal registers accessible via the onboard SMBus/I2C interface.
Documentation & Resources
R544 Reliability Data3/26/2018151 K
DC1496B - Demo Manual7/15/2011414K
Power and Thermal Monitoring1/9/20171M
20V Battery Gas Gauge10/22/2013522K
I2C Battery Gas Gauges11/17/2011980K
Tools & Simulations
LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.
Models for the following parts are available in LTspice:
Linduino is Analog Devices’ Arduino compatible system for developing and distributing firmware libraries and example code for our integrated circuits. Each Linduino-supported product includes an example main program, defined in the LTSketchbook/Part Number folder and driver code, defined in the LTSketchbook/libraries folder.
Linduino code repository on GitHub and instructions on how to use the code.
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.
|Part Number||Material Declaration||Reliability Data||Pin/Package Drawing||CAD Symbols, Footprints & 3D Models|
|LTC2942CDCB-1#TRMPBF||Material Declaration||Reliability Data||6-Lead DFN (2mm x 3mm w/ EP)|
|LTC2942CDCB-1#TRPBF||Material Declaration||Reliability Data||6-Lead DFN (2mm x 3mm w/ EP)|
|LTC2942IDCB-1#TRMPBF||Material Declaration||Reliability Data||6-Lead DFN (2mm x 3mm w/ EP)|
|LTC2942IDCB-1#TRPBF||Material Declaration||Reliability Data||6-Lead DFN (2mm x 3mm w/ EP)|
|Wafer Fabrication Data||R544 Reliability Data|
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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.