LC709204F Gauge LSI Datasheet

LC709204F Datasheet, PDF, Equivalent


Part Number

LC709204F

Description

Battery Fuel Gauge LSI

Manufacture

ON Semiconductor

Total Page 22 Pages
Datasheet
Download LC709204F Datasheet


LC709204F
Battery Fuel Gauge LSI
[Smart LiB Gauge]
for 1-Cell Lithium-ion/
Polymer (Li+) with Low Power
2 mA Operation
LC709204F
Overview
LC709204F is a Fuel Gauge for 1Cell Lithiumion/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 algorithm called HGCVR2. The HGCVR2 algorithm
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. The Fuel Gauge (in other words, Gas Gauge,
Battery Monitor or Battery Gauge) feature of HGCVR2 algorithm
makes LSI highly applicable in various application. The LSI can
immediately start battery measurement by setting a few parameters
after battery insertion. Learning cycles that make complicated
manufacturing process of applications can be avoided.
The LSI also supports battery safety by alarm functions and SOH
(State of Health) reporting to the application processor. The operating
consumption current is very low 2 mA and it is suitable for applications
such as wearables and 1 series N parallel batteries.
Features
HGCVR2 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 Learning Cycle
Low Power Consumption
2 mA Operational Mode Current
Improvement of the Battery Safety by Alarm Function
RSOC / Voltage / Temperature
Battery Lifetime Measurement
SOH / Cycle Count / Operating Time
Remaining Time Estimation
Time to Full / Time to Empty
Three Temperature Inputs
Inputs to sense two NTC Thermistors
Via I2C
Detection of Battery Operating Conditions
Charging / Discharging
Detection of Battery Insertion
I2C Interface (supported up to 400 kHz)
These Devices are PbFree, Halogen Free/BFR Free and are RoHS
Compliant
www.onsemi.com
WLCSP12 1.48x1.91x0.51
CASE 567XE
MARKING DIAGRAM
204**
AWLYW
204**
A
WL
YW
= 20401 (LC709204FXE01TBG)
= Assembly Site
= Wafer Lot Number
= Assembly Start Week
ORDERING INFORMATION
See detailed ordering and shipping information on page 20 of
this data sheet.
Applications
Wearables / IoT Devices
Smartphones/PDA Devices
Digital Cameras
Portable Game Players
USB-related Devices
© Semiconductor Components Industries, LLC, 2019
September, 2019 Rev. 0
1
Publication Order Number:
LC709204F/D

LC709204F
Application Circuit Example
Application SCL
processor SDA
ALARMB
LC709204F
Application
SCL
TSENSE1
SDA LC709204F
ALARMB
REG
1uF
2.2uF
Battery Pack
PACK+
T
PACK-
Figure 1. Example of an Application Schematic using LC709204F
(The temperature is measured using TSENSE1 pin.)
Application SCL
processor SDA
ALARMB
Thermistor -sense
Application
SCL
TSENSE1
SDA LC709204F
ALARMB
REG
1uF
2.2uF
Battery Pack
PACK+
T
PACK-
Figure 2. Example of an Application Schematic using LC709204F
(The Temperature is sent via I2C.)
www.onsemi.com
2


Features Battery Fuel Gauge LSI [Smart LiB Gauge] for 1-Cell Lithium-ion/ Polymer (Li+) with Low Power 2 mA Operation LC7092 04F Overview LC709204F is a Fuel Gauge for 1−Cell Lithium−ion/Polymer batt eries. It is part of our Smart LiB Gaug e family of Fuel Gauges which measure t he battery RSOC (Relative State Of Char ge) using its unique algorithm called H G−CVR2. The HG−CVR2 algorithm provi des accurate RSOC information even unde r unstable conditions (e.g. changes of battery; temperature, loading, aging an d self−discharge). An accurate RSOC c ontributes to the operating time of por table devices. The Fuel Gauge (in other words, Gas Gauge, Battery Monitor or B attery Gauge) feature of HG−CVR2 algo rithm makes LSI highly applicable in va rious application. The LSI can immediat ely start battery measurement by settin g a few parameters after battery insert ion. Learning cycles that make complica ted manufacturing process of applicatio ns can be avoided. The LSI also supports battery safety by alarm functions an.
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