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PDF LC05732ARA Data sheet ( Hoja de datos )
| Número de pieza | LC05732ARA | |
| Descripción | Battery Protection IC | |
| Fabricantes | ON Semiconductor | |
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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
1 page  
LC05732ARA
Package Dimensions
unit : mm
ECP30, 1.97x4.01
CASE 971BC
ISSUE A
ORIENTATION
MARK
E
2X 0.05 C
2X 0.05 C
0.15 C
0.05 C
NOTE 3 A1
TOP VIEW
DETAIL A
SIDE VIEW
AB
NOTES:
1. DIMENSIONING AND TOLERANCING PER
ASME Y14.5M, 1994.
2. CONTROLLING DIMENSION: MILLIMETERS.
3. COPLANARITY APPLIES TO THE SPHERICAL
CROWNS OF THE SOLDER BALLS.
4. DIMENSION b IS MEASURED AT THE MAXIMUM
BALL DIAMETER PARALLEL TO DATUM C.
D
SUPPORT SI
ENCAPSULATION
A2
A
DETAIL A
MILLIMETERS
DIM MIN MAX
A 0.545 0.625
A1 0.165 0.205
A2 0.380 0.420
b 0.245 0.285
D 1.970 BSC
E 4.010 BSC
E2 0.860 BSC
E3 0.100 BSC
E4 1.405 BSC
e 0.400 BSC
C
SEATING
PLANE
e E2 E4
E3 e
D
C
B
A
12 3
456 78
IC DIE
IC DIE
BOTTOM VIEW
e
e/2
e
30X b
0.05 C A B
0.03 C
A1
RECOMMENDED
SOLDERING FOOTPRINT*
30X
0.24
0.10
0.40
PITCH
PACKAGE
OUTLINE
0.40
PITCH
0.96
0.505
DIMENSIONS: MILLIMETERS
*For additional information on our Pb−Free strategy and soldering
details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.
www.onsemi.com
5
5 Page 
LC05732ARA
Over-charge detection/release, Over-discharge detection/release (Non-connect charger)
VCC
Vov
Vovr
Charger connection
Load connection
Vuv
DCHG_SW (Gate)
VCC
S1
CHG_SW (Gate)
VCC
S2
CS
VCC
S1
Tov Tovr
Tuv
www.onsemi.com
11
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet LC05732ARA.PDF ] | |
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