Battery Fuel Gauges | LC709204F

Battery Fuel Gauge for 1-Cell Lithium-Ion/Polymer (Li+) [Smart Lib Gauge] with low-power 2 µA operation

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Overview

LC709204F is a Fuel Gauge(in other words, Gas Gauge, Battery Monitor or Battery Gauge) for 1-Cell Lithium-Ion/Polymer batteries. It is a member of our Smart LiB Gauge family of Fuel Gauges that use a unique algorithm called HG-CVR2 to accurately measure a battery's RSOC (Relative State of Charge) even under unstable conditions such as changes in battery temperature, loading, aging and self-discharge. The HG-CVR2 algorithm can be easily configured to begin taking battery measurements by setting up a few parameters after battery insertion, reducing complexity in the development process. LC709204F also includes SOH reporting and multiple integrated alarm functions to support battery safety.

  • Battery Management for portable and wireless applications

  • Wearables
  • Portable headsets
  • Smartphones / PDA devices
  • Wireless handsets
  • Portable game players
  • USB-related devices

  • High accuracy gauging
  • Low power consumption
  • Stable gauging
  • Small footprint
  • Alarm function: RSOC / Voltage / Temperature
  • Battery lifetime measurement
  • Multi-thermistor support
  • I2C interface(up to 400kHz supported)

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Reference Price

LC709204FXE-01TBG

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Lifetime

CAD Model

Pb

A

H

P

WLCSP12, 1.48x1.91x0.51

567XE

1

260

REEL

5000

N

Li-Ion/Polymer

1

I2C

2.5

5

2

2

-40

85

$0.9315

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Reliability Data

Die Related Summary Data

Device: LC709204FXE-01TBG

Equivalent to wafer fab process: ONC18

Product Technology

Product Technology

Equivalent Device-Hours

MTBF/MTTF in Hours

FITS

ONC18

2

6465777234

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Re-calculate Data

Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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