lv51141t Sanyo Semiconductor Corporation, lv51141t Datasheet

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lv51141t

Manufacturer Part Number
lv51141t
Description
1-cell Lithium-ion Battery Protection Ic
Manufacturer
Sanyo Semiconductor Corporation
Datasheet
Ordering number : ENA1025
LV51141T
Overview
Features
Specifications
Absolute Maximum Ratings at Ta = 25°C
Supply voltage
Input voltage of V M
Output voltage of C O
Output voltage of D O
Power dissipation
Operating temperature
Storage temperature
• High accuracy detection voltage
• Delay time (internal adjustment)
• Low current consumption
• 0V cell battery charging function
The LV51141T is protection IC for rechargeable Li-ion battery by high withstand voltage CMOS process.
The LV51141T protect single-cell Li-ion battery from over-charge, over-discharge, charge over-current and discharge
over-current.
Parameter
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
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
device, the customer should always evaluate and test devices mounted in the customer
equipment.
'
s products or equipment. To verify symptoms and states that cannot be evaluated in an independent
Symbol
V DD
VCO
VDO
Topr
Tstg
V M
P D
CMOS IC
1-Cell Lithium-Ion Battery
Protection IC
Over-charge detection
Over-charge hysteresis
Over-discharge detection
Charge over-current detection
Discharge over-current detection
Operation
Over-discharge condition
Conditions
51408 MS PC 20080204-S00021 No.A1025-1/13
±25mV
±25mV
±25%
±0.3V
±20mV
Typ. 3.0µA
Max. 0.1µA
V SS -0.3 to V DD +0.3
V DD -28 to V DD +0.3
V M -0.3 to V DD +0.3
Ratings
V SS -0.3 to V SS +7
'
s products or
-55 to +125
-40 to +85
350
Unit
mW
°C
°C
V
V
V
V

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lv51141t Summary of contents

Page 1

... Ordering number : ENA1025 LV51141T Overview The LV51141T is protection IC for rechargeable Li-ion battery by high withstand voltage CMOS process. The LV51141T protect single-cell Li-ion battery from over-charge, over-discharge, charge over-current and discharge over-current. Features • High accuracy detection voltage • Delay time (internal adjustment) • ...

Page 2

... Release delay time Release delay time 1 Over-discharge release Charge over-current release (*1) Discharge over-current release Load short-circuiting release Release delay time 2 Over-charge release Note : *1 Upon connecting to charger upon over-discharge, the delay time after recovery from over-discharge. LV51141T Symbol Conditions VC VHc Vdc VRdc VIc VIdc Vshort Based ...

Page 3

... FET gate connection for discharge control (CMOS output Voltage monitoring for charger negative FET gate connection for charge control (CMOS output N Positive power input Negative power input LV51141T 0.4 0.3 0.2 0.1 0 – 40 Top view Description Pd max -- Ta Specified board : 33×5×1.0mm 3 glass epoxy 0.35 (Both sides substrate) 0.14 ...

Page 4

... V2 is increased rapidly within 10µs. • 0V battery charge starting charger voltage --- [Circuit 3] Set and decrease V2 gradually. 0V battery charge starting charger voltage Vcha is V2 when VCO goes "High" (V1-0.1V or higher). LV51141T Oscillator Level Counter Shifter ...

Page 5

... VDO to go "Low" just after the change of V2. Next, decrease V2 from 3. rapidly within 10µs. Release delay time 1 trel1 in case of load short-circuiting is the time needed for VDO to go "High" just after the change of V2. LV51141T No.A1025-5/13 ...

Page 6

... VDO V • Circuit 0.1µF LV51141 VCO • Circuit 0.1µF LV51141 IDO A V4 LV51141T • Circuit 2 0.1µ V1=3. VCO V • Circuit 10MΩ V • Circuit ...

Page 7

... Note 1 : The connection diagram and each value of external components shown above are just recommendation. Including a battery and FETs, determine the circuit after sufficient evaluation about your actual application. Note 2 : The IC is susceptible to static electricity and some pins are easily damaged by it. Handle the IC carefully. LV51141T LV51141T Recommended value 330Ω ...

Page 8

... In case (2), if the V M terminal voltage is higher than the discharge over-current detection voltage (VIdc) and equal to or higher than VC, battery is discharged until V DD becomes less than VC, and then this IC returns to the normal condition when this state continues more than the delay time 2 (trel2). LV51141T 8ms (not changed) 7ms (typical) 56ms (typical) No ...

Page 9

... 1.8V) • 0V battery charge function If the voltage of charger (the voltage between V DD and larger than the 0V battery charge starting charger voltage (Vcha), 0V battery charge becomes possible when CO terminal outputs V DD terminal potential and turns on the charge control FET. LV51141T No.A1025-9/13 ...

Page 10

... VC : Over-charge detection voltage Vdc : Over-discharge detection voltage VIc : Charge over-current detection voltage VIdc : Discharge over-current detection voltage Vshort : Load short-circuiting detection voltage LV51141T Load connected Charger connected tshort trel1 trel1 tic : Charge over-current detection delay time tidc : Discharge over-current detection delay time ...

Page 11

... Over-charge detection voltage Vdc : Over-discharge detection voltage VHc : Over-charge hysteresis voltage Vidc : Discharge over-current detection voltage LV51141T Load connected Charger connected tc trel2 trel2 tc : Over-charge detection delay time trel2 : Release delay time 2 Load connected Charger connected ...

Page 12

... VC : Over-charge detection voltage Vdc : Over-discharge detection voltage VRdc : Return from over-discharge voltage Vic : Charge over-current detection voltage Vidc : Discharge over-current detection voltage LV51141T Charger connected Charger connected Load connected tdc trel1 trel1 tdc : Over-discharge detection delay time trel1 : Release delay time 1 ...

Page 13

... SANYO Semiconductor Co.,Ltd. shall not be liable for any claim or suits with regard to a third party's intellctual property rights which has resulted from the use of the technical information and products mentioned above. This catalog provides information as of May, 2008. Specifications and information herein are subject to change without notice. LV51141T PS No.A1025-13/13 ...

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