LTC2944

PRODUCTION

60V Battery Gas Gauge with Temperature, Voltage and Current Measurement

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Part Models
5
1ku List Price
Starting From $3.42
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Part Details

  • Measures Accumulated Battery Charge and Discharge
  • 3.6V to 60V Operating Range for Multiple Cells
  • 14-Bit ADC Measures Voltage, Current and Temperature
  • 1% Voltage, Current and Charge Accuracy
  • ±50mV Sense Voltage Range
  • High Side Sense
  • I2C Interface/SMBus Interface
  • General Purpose Measurements for Any Battery Chemistry and Capacity
  • Configurable Alert Output/Charge Complete Input
  • Quiescent Current Less Than 150μA
  • Small 8-Lead 3mm × 3mm DFN Package
LTC2944
60V Battery Gas Gauge with Temperature, Voltage and Current Measurement
Total Charge Error vs Differential Sense Voltage Product Package 1
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 1

Technical Articles 1

Data Sheet

This is the most up-to-date revision of the Data Sheet.

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Software Resources

Device Drivers 1

Hardware Ecosystem

Parts Product Life Cycle Description
LTC2943
PRODUCTION Multicell Battery Gas Gauge with Temperature, Voltage and Current Measurement
LTC2943-1
Obsolete 1A Multicell Battery Gas Gauge with Temperature, Voltage and Current Measurement
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Tools & Simulations

Linduino 3

Evaluation Kits

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schematic 2
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schematic 5
DC1812A-B

LTC2944 Demo Board | 60V Battery Gas Gauge (requires DC2026)

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Product Details

Demonstration circuit 1812A-B features the LTC2944. Demonstration circuit 1812A-C features the LTC2943-1. The LTC2943/LTC2943-1 has an operating range of 3.6V to 20V, while the LTC2944 has an operating range of 3.6V to 60V, making all three devices perfectly suited for multicel battery applications. A precision analog coulomb counter integrates current measured through a sense resistor between the battery’s positive terminal and the load or charger. The LTC2943/LTC2943-1 measures voltage, current and temperature with an internal 14-bit No Latency ∆∑™ ADC. The LTC2944 measures voltage, current and temperature with an internal 16-bit No Latency ∆∑ADC. The measurements are stored in internal registers accessible via the onboard SMBus/I2C interface.
DC1812A-B
LTC2944 Demo Board | 60V Battery Gas Gauge (requires DC2026)
DC1812A-B Demo Board DC1812A-B Demo Board DC1812A-B Demo Board DC1812A-B Demo Board DC1812A - Schematic

Latest Discussions

2 Years Ago
RE: what is the DC1812A-B eeprom ?
2 Years Ago
RE: DC590B & DC2094A Msg : Cannot load COM module for the device
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