LC709209F Datasheet - ON Semiconductor

LC709209F Battery Fuel Gauge

I2C Data pin (open drain). Pull *up must be done externally. I2C Clock pin (open drain). Pull *up must be done externally. This pin indicates an alarm by a low output (open drain). Pull *up must be done externally. Keep this pin OPEN when not in use. Connect this pin to the batt.

DATA SHEET www.onsemi.com Battery Fuel Gauge [Smart LiB Gauge] for 1-Cell Lithium-ion/ Polymer (Li+) with Low Power 2 mA Operation WLCSP12 1.48x1.91x0.51 CASE 567XE MARKING DIAGRAM LC709209F Overview LC709209F is a Fuel Gauge (in other words, Fuel Gauge IC, Gas Gauge, Battery Monitor or Battery Gauge) for 1 Cell Lithium ion/Polymer batteries. It is part of our Smart LiB Gauge family of Fuel Gauges which measure the battery RSOC (Relative State Of Charge) using its unique algor.

LC709209F Features

* HG

* CVR2 Algorithm Technology

* Small Footprint: No Need for Current Sensing Resistor

* Accurate RSOC of Aging Battery

* Stable Gauging by Automatic Convergence of Error

* Immediate Accurate Gauging after Battery Insertion

* Eliminates Learnin

LC709209F-ONSemiconductor.pdf