LC709203FQH-01TWG by onsemi Battery Fuel Gauges | Avnet Asia Pacific

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LC709203FQH-01TWG

Fuel Gauge Li-Ion/Li-Pol I2C 3mA 0.4V 8-Pin WDFN T/R

LC709203FQH-01TWG in Battery Fuel Gauges by onsemi
onsemi
Manufacturer: onsemi
Avnet Manufacturer Part #: LC709203FQH-01TWG
RoHS 10 Compliant
NCNR

LC709203F is a Fuel Gauge for a single lithium ion battery. It is part of our "Smart LiB Gauge" family of Fuel Gauges which measure the battery RSOC (Relative State Of Charge) using its unique algorithm called "HG-CVR". The "HG-CVR" algorithm eliminates the use of a sense resistor and provides accurate RSOC information even under unstable conditions (e.g. changes of battery; temperature, loading, aging and selfdischarge). An accurate RSOC contributes to the operating time of portable devices. LC709203F is available in two small packages realizing the industries smallest PCB footprint for the complete solution. It has minimal parameters to be set by the user enabling simple, quick setup and operation.

Key Features

  • "HG-CVR" algorithm technology ○ No external sense resistor ○ 2.8% accuracy of RSOC ○ Accurate RSOC of aging battery ○ Automatic convergence of error ○ Adjustment for the parasitic impedance around the battery ○ Simple and Quick Setup
  • Low power consumption 3μA Operational mode
  • Precision Voltage measurement : ±7.5mV
  • Precision Timer : ±3.5%
  • Alerts for Low RSOC and / or Low Voltage
  • Temperature compensation ○ Sense Thermistor input< ○ Via I2C
  • Detect Battery insertion
  • I2C Interface (up to 400 kHz supported)

Technical Attributes

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Description Value
Operating Temperature Min -40 °C
Operating Temperature Max 85 °C
Supply Voltage Min 2.5 V
Supply Voltage Max 4.5 V
Battery Type Li-Ion, Li-Pol, Li-Pol
Product Range LC709203F Series
Interfaces I2C
No. of Pins 8
IC Mounting Surface Mount
IC Case / Package WDFN-EP

ECCN / UNSPSC / COO

Description Value
ECCN: EAR99
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Documents

Title Download Type Date Published
Datasheet update for LC709203F Errata-Sheets 20201214
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