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LC709203F 반도체 회로 부품 판매점

Battery Fuel Gauge LSI



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LC709203F 데이터시트, 핀배열, 회로
LC709203F
Smart LiB Gauge
Battery Fuel Gauge LSI
for 1-Cell Lithium-ion (Li+)
Overview
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 self-
discharge). 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.
www.onsemi.com
WDFN8 3x4, 0.65P
Pb-Free, Halogen Free type
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)
WLCSP9, 1.60x1.76
Pb-Free, Halogen Free type
ORDERING INFORMATION
See detailed ordering and shipping information in the
package dimensions section on page 23 of this data sheet
Applications
Wireless Handsets
Smartphones / PDA devices
MP3 players
Digital cameras
Portable Game Players
USB-related devices
* I2C Bus is a trademark of Philips Corporation.
© Semiconductor Components Industries, LLC, 2015
March 2015- Rev. 8
1
Publication Order Number:
LC709203F/D


LC709203F 데이터시트, 핀배열, 회로
Application Circuit Example
T
LC709203F
10kΩ 10kΩ
System Vdd
Vdd
I2C Bus
Master
Battery
Pack
LC709203F
ASIC
PACK- PACK+
1uF
10kΩ
Interrupt Input
Vss
System
System Vss
Battery
Pack
T
10kΩ
th e rmi stor
Figure 1. Example of an application schematic using LC709203F
(Temperature input via I2C.)
10kΩ 10kΩ
System Vdd
Vdd
I2C Bus
Master
10KΩ (s a me as thermistor resistance value)
100Ω
LC709203F
ASIC
PACK- PACK+
1uF
10kΩ
Interrupt Input
Vss
System
System Vss
Figure 2. Example of an application schematic using LC709203F
(The temperature is measured directly by a thermistor.)
www.onsemi.com
2




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Battery Fuel Gauge LSI - ON Semiconductor