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Vishay Intertechnology Electronic Components Datasheet

SI4720CY Datasheet

Battery Disconnect Switch

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Battery Disconnect Switch
Si4720CY
Vishay Siliconix
FEATURES
D Solution for Bi-Directional Blocking
Bi-Directional Conduction Switch
D 6- to 30-V Operation
D Ground Referenced Logic Level Inputs
D Integrated Low rDS(on) MOSFET
D Level-Shifted Gate Drive with Internal MOSFET
D Two Independent Inputs
D Ultra Low Power Consumption in Off State
(Leakage Current Only)
D Logic Supply Voltage is Not Required
DESCRIPTION
The Si4720CY is two level-shifted p-channel MOSFETs.
Operating together, these MOSFETs can be used as a reverse
blocking switch for battery disconnect applications. It is a
solution for multiple battery technology designs or designs that
require isolation from the power bus during charging.
The Si4720CY is available in a 16-pin SOIC package and is
rated for the commercial temperature range of –25 to 85_C.
FUNCTIONAL BLOCK DIAGRAM
5
IN1
ESD
GND1
12
Logic
and
Gate
Drive
Level
Shift
Half a circuit shown here.
6
9, 10, 11
G1
D1
VGS
Limiter
7, 8
S1
Document Number: 70664
S-49524—Rev. B, 21-Jul-97
www.vishay.com S FaxBack 408-970-5600
2-1


Vishay Intertechnology Electronic Components Datasheet

SI4720CY Datasheet

Battery Disconnect Switch

No Preview Available !

Si4720CY
Vishay Siliconix
ABSOLUTE MAXIMUM RATINGS
Voltage Referenced to GND
VS, VDa . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to 32 V
VSD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to 30 V
VIN1, VIN2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to 15 V
VGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 V
Storage Temperature . . . . . . . . . . . . . . . . . . . –55 to 150_C
Power Dissipationb (t = 10 sec) . . . . . . . . . . . . . . . . 2.5 W
(t = steady state) . . . . . . . . . . . 1.5 W
Notes
a. VSD 30 VDC
b. Device mounted with all leads soldered to 1” x 1” FR4 with laminated
copper PC board.
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation
of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
RECOMMENDED OPERATING RANGE
VS, VD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 V to 30 V
VIN1, VIN2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 V to 13.2 V
IDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 A to 6 A
Operating Temperature Range . . . . . . . . . . . . –25 to 85_C
Junction Temperature . . . . . . . . . . . . . . . . . . . –25 to 150_C
SPECIFICATIONS
Parameter
Symbol
Test Conditions
Unless Otherwise Specified
Limits
Tempa Minb Typc
Maxb
Unit
On-Resistance
Leakage Current
Supply Current
Input Voltage Low
Input Voltage High
Input Leakage Current
Turn-On Delay
Turn-Off Delay
IN
to D or S
Break-Before-Maked
Rise Time
Fall Time
Voltage Across Pin 6 and 7
Forward Diode
rDS
IDS(off)
IS(off)
IS(on)
VINL
VINH
IINH
tON(IN)
tOFF(IN)
tBBM
tRISE
tFALL
VGS
VSD
VS = 10 V, ID = 1 A, VIN = H
VDS = 10 V
VS = 21 V
VS = 10 V and VS = 21 V
VIN = 5.0 V
VS = 10 V, RL = 5 W, Figure 1
VS = 10 V, RL = 5 W, Figure 1
VS = 30 V
ID = –1 A
Room
Room
Room
Room
Full
Full
Full
Room
Room
Room
Room
Room
Room
Room
2.5
2.2
Notes
a. Room = 25_C, Full = as determined by the operating temperature suffix.
b. The algebraic convention whereby the most negative value is a minimum and the most positive a maximum.
c. Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing.
d. Guaranteed by design, not subject to production testing.
0.0155
1.1
2.9
1.5
1.05
1.3
50
10.2
0.020
1
1
6
1
5
10
2.1
2.5
100
18
1.1
W
mA
V
mA
ms
ns
V
www.vishay.com S FaxBack 408-970-5600
2-2
Document Number: 70664
S-49524—Rev. B, 21-Jul-97


Part Number SI4720CY
Description Battery Disconnect Switch
Maker Vishay Siliconix
Total Page 8 Pages
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