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DC1496B-A - 

Evaluation Board, LTC2941 Battery Gas Gauge, I2C Interface and 14-Bit ADC

Image is for illustrative purposes only. Please refer to product description.

Manufacturer Part No:
DC1496B-A
Order Code:
2312640
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

DC1496B-A demonstration circuit features the LTC2941 battery gas gauge. It measures battery charge state in battery supplied handheld PC and portable product applications. Its operating range is perfectly suited for single cell li ion batteries. A precision coulomb counter integrates current through a sense resistor between the battery's positive terminal and the load or charger. The measured charge is stored in internal registers. An I2C interface accesses and configures the device. The LTC2941 features programmable high and low thresholds for accumulated charge. If a threshold is exceeded, the device communicates an alert using by setting a flag in the internal status register. The LTC2941 requires only a single low value external sense resistor to set the current range. The DC1496B is a part of the QuikEval system for quick evaluation with a host controller through a PC.
  • Indicates accumulated battery charge and discharge
  • High accuracy analog integration
  • High side sense
  • 1% charge accuracy
  • ±50mV sense voltage range
  • I2C interface
  • Configurable alert output/charge complete input
  • 2.7V to 5.5V operating range
  • Quiescent current less than 100uA

Applications

Power Management, Portable Devices, Consumer Electronics

Footnotes

Companion with DC590B USB serial controller board, sold separately.

Product Information

:
Linear Technology
:
LTC2941
:
Power Management - Battery
:
Fuel Gauge
:
Demo Board LTC2941
:
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