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PDF LC709201F Data sheet ( Hoja de datos )
| Número de pieza | LC709201F | |
| Descripción | Battery Monitor IC | |
| Fabricantes | Sanyo | |
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Ordering number : ENA2031
LC709201F
CMOS IC
Battery Monitor IC
Overview
The LC709201F is an IC that measures the remaining power level of 1-cell lithium-ion secondary batteries by monitoring
the battery voltage without an external sense resistor, and detects the remaining battery power level by current prediction.
It monitors the battery voltage and realizes a function that precisely measures the remaining battery charge.
In addition, the IC realizes the function for calculating the remaining battery power level even more accurately by
utilizing a temperature correction function that makes use of the temperature input from a thermistor.
Features
Accuracy of remaining battery power level measurement
• Accuracy of ±5% during discharging from 100% to 0% (at an ambient operating temperature of 0°C to 50°C)
Measurement of remaining battery power level
• The remaining power level is measured four times a second and calculated with each measurement undertaken.
Interface
• I2Cbus, communication in slave mode up to 100kHz supported
Ports
• I2C-bus communication pin
• Battery temperature reading control pin
• Analog voltage input pin for battery temperature
• Reset pin
• TEST pin
• Power supply pin
2 (SDA, SCL)
1 (TSW)
1 (TSENSE)
1 (RESB)
1 (TEST)
2 (VSS, VDD)
Package form
• MFP10S (225 mil): LC709201FM-01/02/03
• VCT16 (2.6×2.6): LC709201FRD-01/02/03
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment. The products mentioned herein
shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life,
aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system,
safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives
in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any
guarantee thereof. If you should intend to use our products for new introduction or other application different
from current conditions on the usage of automotive device, communication device, office equipment, industrial
equipment etc. , please consult with us about usage condition (temperature, operation time etc.) prior to the
intended use. If there is no consultation or inquiry before the intended use, our customer shall be solely
responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer's products or
equipment.
Ver.1.5
32812HKIM 20120307-S00004 No.A2031-1/10
1 page  
LC709201F
Absolute Maximum Ratings at Ta=25°C, VSS=0V
Parameter
Symbol
Pin/Remarks
Conditions
Maximum supply
voltage
Input voltage
VDD max
VI (1)
VDD
RESB, TSENSE
Output voltage
VO (1)
TSW
Input/output voltage VIO (1)
SDA, SCL, TEST
Allowable power
dissipation
Operating ambient
temperature
Storage ambient
temperature
Pd max
Topr
Tstg
MFP10S
VCT16
Ta=-40 to +85°C
VDD[V]
Specification
min typ max
Unit
-0.3 +6.5
-0.3 VDD
+0.3
V
-0.3 VDD
+0.3
-0.3 VDD
+0.3
110
mW
55
-40 +85
°C
-55 -125
Allowable Operating Conditions at Ta=-40 to +85°C, VSS=0V
Parameter
Symbol
Pin/Remarks
Conditions
Operating supply
voltage
High level input
voltage
Low level input
voltage
VDD (1)
VIH (1)
VIL (1)
VIL (2)
VDD
SDA, SCL
SDA, SCL
VDD[V]
2.25 to 5.5
4.0 to 5.5
2.25 to 4.0
Specification
min typ max
unit
2.25
5.5
0.3VDD
+0.7
VSS
VSS
VDD
0.1VDD
+0.4
0.2VDD
V
Electrical Characteristics at Ta=-40 to +85°C, VSS=0V
Parameter
Symbol Pin/Remarks
Conditions
High level input
current
Low level input
current
High level output
voltage
Low level output
voltage
Hysteresis voltage
Pin capacitance
Consumption
current
IIH (1)
RESB, SDA,
SCL
IIL (1)
RESB, SDA,
SCL
VOH (1)
VOH (2)
VOL (1)
VOL (2)
VHYS
CP
TSW
TSW,
SDA, SCL
RESB,
SDA, SCL
All pins
IDD (1)
IDD (2)
VDD
VIN=VDD
(including output transistor off
leakage current)
VIN=VSS
(including output transistor off
leakage current)
IOH=-0.4mA
IOH=-0.2mA
IOL=3.0mA
IOL=1.3mA
Pins other than the pin under test
VIN=VSS
f=1 MHz
Ta=25°C
When detecting remaining
capacity
When not detecting remaining
capacity
VDD[V]
2.25 to 5.5
2.25 to 5.5
3.0 to 5.5
2.25 to 5.5
3.0 to 5.5
2.25 to 5.5
2.25 to 5.5
2.25 to 5.5
2.25 to 5.5
2.25 to 5.5
Specification
min typ
max
Unit
1
μA
-1
VDD-0.4
VDD-0.4
0.1VDD
0.4 V
0.4
10 pF
8 16
μA
5 12
No.A2031-5/10
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet LC709201F.PDF ] | |
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