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PDF LV5122T Data sheet ( Hoja de datos )
| Número de pieza | LV5122T | |
| Descripción | 2-Cell Lithium-Ion Secondary Battery Protection IC | |
| Fabricantes | Sanyo Semicon Device | |
| Logotipo |  |
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Ordering number : ENA0728A
LV5122T
CMOS IC
2-Cell Lithium-Ion Secondary Battery
Protection IC
Overview
The LV5122T is a protection IC for 2-cell lithium-ion secondary batteries.
Features
• Monitoring function for each cell:
• High detection voltage accuracy:
• Hysteresis cancel function:
• Discharge current monitoring function:
• Low current consumption:
• 0V cell charging function:
Detects overcharge and over-discharge conditions and controls the
charging and discharging operation of each cell.
Over-charge detection accuracy ±25mV
Over-discharge detection accuracy ±100mV
The hysteresis of over-discharge detection voltage is canceled by sensing
the connection of a load after overcharging has been detected.
Detects over-currents and load shorting, and an excessive
discharge current is controlled.
Normal operation mode typ. 6.0µA
Stand by mode
max. 0.2µA
Charging is enabled even when the cell voltage is 0V by giving a
potential difference between the VDD pin and V- pin.
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 (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). 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 applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us 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.
52307 MS IM / 32207 MS IM 20061130-S00001 No.A0728-1/10
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
www.DataSheet.co.kr
Package Dimensions
unit : mm (typ)
3245B
3.0
8
12
(0.53)
0.65
0.25
0.125
SANYO : MSOP8(150mil)
LV5122T
Pd max -- Ta
200
Independent IC
170
150
100
68
50
0
-30 -20
0 20 40 60 80
Ambient temperature, Ta -- °C
100
Pin Assignment
Dout T Vc Sense
8765
1 2 3 4 Top view
VDD Cout V- VSS
Pin Functions
Pin No.
1 VDD
2 Cout
3 V-
4 VSS
5 Sense
6 Vc
7T
8 Dout
Symbol
Description
VDD pin
Overcharge detection output pin
Charger minus voltage input pin
VSS pin
Sense pin
Intermediate voltage input pin
Pin to shorten detection time (open under normal condition)
Overdischarge detection output pin
No.A0728-5/10
Datasheet pdf - http://www.DataSheet4U.net/
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