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  ON Semiconductor Electronic Components Datasheet  

LC05732ARA Datasheet

Battery Protection IC

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LC05732ARA
Battery Protection IC,
Integrated Power MOSFET,
1-Cell Lithium-Ion Battery
Overview
The LC05732ARA is a protection IC for 1-cell lithium-ion secondary batteries
with integrated power MOS FET. Also it integrates highly accurate detection
circuits and detection delay circuits to prevent batteries from over-charging,
over-discharging, over-current discharging and over-current charging.
In addition, main system can execute the power-on reset of itself by turning off
the charge FET and discharge FET of LC05732ARA for a certain time period,
with a reset signal.
A battery protection system can be made by only LC05732ARA and few
external parts.
Features
Charge-and-discharge power MOSFET are integrated at Ta = 25°C,
VCC = 4.0V
ON resistance (total of charge and discharge ) 4.8m(typ)
Highly accurate detection voltage/current at Ta = 25°C, VCC = 3.7V
Over-charge detection
±25mV
Over-discharge detection
±50mV
Charge over-current detection
±0.7A
Discharge over-current detection ±0.7A
Delay time for detection and release (fixed internally)
Discharge/Charge over-current detection is compensated for temperature
dependency of power FET
0V battery charging
: “Inhibit”
Auto wake-up function battery charging
: “Inhibit”
Forcible charge-FET and discharge-FET OFF mode
RSTB>VDD*0.9: Charge-FET and Discharge-FET=ON
RSTB<VDD*0.1: Charge-FET and Discharge-FET=OFF
Typical Applications
Smart phone
Tablet
Wearable device
www.onsemi.com
ECP30 (1.97×4.01, 0.4Pitch)
GENERIC
MARKING DIAGRAM
XXXXX
AYYWW
A = Assembly Location
YY = Year
WW = Work Week
© Semiconductor Components Industries, LLC, 2017
February 2017 - Rev. 0
1
Publication Order Number:
LC05732ARA/D


  ON Semiconductor Electronic Components Datasheet  

LC05732ARA Datasheet

Battery Protection IC

No Preview Available !

LC05732ARA
Specifications
Absolute Maximum Ratings at Ta = 25C (Notes 1, 2, 3, 4, 6)
Parameter
Symbol
Conditions
Supply voltage
VCC
Between PAC+ and VCC : R1=680
S1 - S2 voltage
VS1-S2
CS terminal Input voltage
CS
RSTB input voltage
RSTB
Storage temperature
Tstg
Operating ambient temperature
Topr
Ratings
0.3 to 12.0
20.0
VCC20.0 to VCC+0.3
0.3 to 7
55 to +125
40 to +100
Unit
V
V
V
V
C
C
Allowable power dissipation
Pd
(Note 5)
800 mW
Junction temperature
Tj
125 C
1. Stresses exceeding those listed in the Maximum Rating table may damage the device. If any of these limits are exceeded, device functionality should not be
assumed, damage may occur and reliability may be affected.
2. Absolute maximum ratings represent the values which cannot be exceeded at any given time
3. If you intend to use this IC continuously under high temperature, high current, high voltage, or drastic temperature change, even if it is used within the range
of absolute maximum ratings or operating conditions, there is a possibility of decrease reliability. Please contact us for confirmation
4. This device is made for power applications.
5. JESD 513 (1S)
6. Please execute appropriate test and take safety measures on your board.
Example of Application Circuit
Battery
R1
VCC
C1
VCC
Controller IC
VSS
RSTB
PAC+
R3 RSTB
S1
Components Recommended value
MAX
unit
R1 680 1k
R2 1k 2k
R3 1k 2k
C1 1.0µ - F
* We don’t guarantee the characteristics of the circuit shown above.
S2 CS
R2
PAC-
Description
www.onsemi.com
2


Part Number LC05732ARA
Description Battery Protection IC
Maker ON Semiconductor
Total Page 15 Pages
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