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SS5782LUA [SECELECTRONICS]

Unipolar Hall Switch; 单极霍尔开关
SS5782LUA
型号： SS5782LUA
厂家： SEC Electronics Inc.    SEC Electronics Inc.
描述：

Unipolar Hall Switch
单极霍尔开关

开关
文件： 总9页 (文件大小：243K)
中文：  中文翻译
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SS5782  
Unipolar Hall Switch  
Application Examples  
Features and Benefits  
–
–
–
–
–
–
–
Automotive, Consumer and Industrial  
Solid-state switch  
–
–
–
–
Wide operating voltage range from 2.5V to 24V  
Medium sensitivity  
Interrupter  
Speed detection  
Linear position detection  
Angular position detection  
Proximity detection  
CMOS technology  
Chopper-stabilized amplifier stage  
Superior temperature stability  
Extremely low switchpoint drift  
Insensitive to physical stress  
–
–
–
Low current consumption  
Open drain output  
Tiny SOT23 3L or flat SIP 3L  
both RoHS Compliant packages  
3 pin SOT23 (suffix SO)  
3 pin SIP (suffix UA)  
Functional Block Diagram  
VDD  
Voltage  
Regulatr  
OUT  
Chopper  
Hall  
Plate  
GND  
SIP Package  
Pin 1 – VDD  
Pin 2 – GND  
Pin 3 – OUT  
SOT Package  
Pin 1 – VDD  
Pin 2 – OUT  
Pin 3 – GND  
1
V2.00 May 1, 2012  
SS5782  
Unipolar Hall Switch  
General Description  
The SS5782 is a unipolar Hall effect sensor IC  
fabricated from mixed signal CMOS technology. The  
device integrates a voltage regulator, Hall sensor with  
dynamic offset cancellation system, Schmitt trigger  
and an open-drain output driver, all in a single  
package.  
listed above.  
Thanks to its wide operating voltage range and  
extended choice of temperature range, it is quite  
suitable for use in automotive, industrial and  
consumer applications.  
It incorporates advanced chopper stabilization  
techniques to provide accurate and stable magnetic  
switch points. There are many applications for this  
HED – Hall Electronic Device - in addition to those  
The device is delivered in a Small Outline Transistor  
(SOT) for surface mount process or in a Plastic Single  
In Line (SIP flat) for through- hole mount. Both  
3-lead packages are RoHS compliant.  
Glossary of Terms  
MilliTesla (mT),  
RoHS  
Gauss  
Units of magnetic flux density: 1mT = 10 Gauss  
Restriction of Hazardous Substances  
SOT  
Small Outline Transistor (SOT package) – also referred with the package code “SO”  
Electro-Static Discharge  
ESD  
BLDC  
Brush-Less Direct-Current  
Operating Point (BOP  
)
Magnetic flux density applied on the branded side of the package which turns the output  
driver ON (VOUT = VDSon  
)
Release Point (BRP  
)
Magnetic flux density applied on the branded side of the package which turns the output  
driver OFF (VOUT = high)  
2
V2.00 May 1, 2012  
SS5782  
Unipolar Hall Switch  
Pins Definition and Description  
SOT Pin №  
SIP Pin №  
Name  
Type  
Function  
1
2
3
1
3
2
V
DD  
UT  
GND  
S
upp  
pu  
ound  
l
y
S
upp  
Open Dr  
Ground  
l
y
V
o
l
t
a
g
e
p
i
n
O
O
u
t
t
ain Output pin  
Gr  
pin  
Unique Features  
Based on mixed signal CMOS technology, SS5782 is a Hall-effect device with high magnetic sensitivity. This  
multi-purpose latch meets most of the application requirements.  
The chopper-stabilized amplifier uses switched capacitor technique to suppress the offset generally observed with Hall  
sensors and amplifiers. The CMOS technology makes this advanced technique possible and contributes to smaller chip  
size and lower current consumption than bipolar technology. The small chip size is also an important factor to minimize  
the effect of physical stress. This combination results in more stable magnetic characteristics and enables faster and more  
precise design.  
The wide operating voltage from 2.5V to 24V, low current consumption and large choice of operating temperature range  
according to “L”, “K”and “E” specifications make this device suitable for automotive, industrial and consumer  
applications.  
Absolute Maximum Ratings  
Parameter  
Symbol  
Value  
Units  
V
S
upp  
upp  
l
l
y
y
V
o
l
t
a
g
e
28  
50  
V
DD  
I
S
C
u
rr  
e
n
t
m
A
DD  
V
O
Output  
Vo  
l
tag  
e
28  
V
UT  
I
Output C  
u
rr  
en  
t
50  
m
A
OUT  
T
Storage Temperature Range  
un on Temperature  
-50 to 150  
165  
S
°
°
C
C
T
Maximum J cti  
J
3
V2.00 May 1, 2012  
SS5782  
Unipolar Hall Switch  
Operating Temperature Range  
Symbol  
Value  
Units  
T
A
Temperature  
Temperature  
Temperature  
Su  
Su  
Su  
ffi  
ffi  
ffi  
x
x
x
“
“
“
E
”
-40 to 85  
-40 to 125  
-40 to 150  
°
°
°
C
C
C
T
A
K
”
T
A
L
”
Exceeding the absolute maximum ratings may cause permanent damage. Exposure to absolute-maximum- rated  
conditions for extended periods may affect device reliability.  
General Electrical Specifications  
DC Operating Parameters TA = 25℃, VDD= 2.5V to 24V (unless otherwise specified)  
Typ  
Parameter  
Symbol  
Test Conditions  
ng  
BRP  
Min  
2.2  
Max  
24  
Units  
V
DD  
S
upp  
l
l
y
y
V
o
l
t
a
g
e
O
p
e
r
a
ti  
V
I
B <  
I
Supp  
C
u
rr  
e
n
t
5
m
A
DD  
V
D
= 20mA, B >  
Output  
Output  
S
a
t
u
r
a
ti  
on  
V
o
l
t
a
g
e
0.5  
10  
V
S
on  
OUT  
B <  
BOP  
I
t
t
V
=
24V  
Lea  
k
a
g
e
C
urr  
e
n
t
1
O
r
FF  
BRP OUT  
µA  
Output R  
Output  
i
s
e
T
im  
e
0.25  
0.25  
10  
R
R
= 1kΩ, C  
= 1kΩ, C  
=
20pF  
20pF  
µ
s
s
L
L
L
L
F
a
ll  
T
im  
e
f
=
µ
---  
ng  
F
M
a
x
im  
u
m
S
w
i
t
c
h
ing  
F
r
e
qu  
e
n
c
y
KHz  
S
W
R
Package  
T
h
e
r
m
a
l
R
e
s
is  
ta  
n
c
e
S
i
le  
la  
y
e
r
(1S) Jedec bo  
a
r
d
301  
°C/W  
TH  
Note: The output of SS5782 will be switched after the supply voltage is over 2.2V, but the magnetic characteristics won't be normal  
until the supply is over 2.5V.  
Magnetic Specifications  
DC Operating Parameters V  
= 2.5V to 24V (unless otherwise specified)  
DD  
Test Conditions  
Typ  
-120  
-80  
40  
Parameter  
Symbol  
BOP  
Min  
-150  
-120  
30  
Max  
-90  
-40  
50  
Units  
G
Op  
er  
a
ti  
ng  
P
o
i
n
t
t
t
E
spec.,  
spec.,  
T
=
=
=
85°C  
A
R
el  
eas  
e
Po  
i
n
t
BRP  
G
BH  
Hys  
ter  
e
s
i
s
G
Y
S
-120  
-80  
40  
Op  
er  
a
ti  
ng  
P
o
i
n
BOP  
BRP  
BH  
-160  
-130  
30  
-85  
-35  
50  
G
K
T
125°C  
150°C  
A
R
el  
eas  
e
Po  
i
n
t
G
Hys  
ter  
e
s
i
s
G
Y
S
-120  
-80  
40  
Op  
er  
a
ti  
ng  
P
o
i
n
BOP  
BRP  
BH  
G
-170  
-80  
-30  
50  
L spec.,  
T
A
R
el  
eas  
e
Po  
i
n
t
-
140  
30  
G
Hys  
ter  
e
s
i
s
G
Y
S
4
V2.00 May 1, 2012  
SS5782  
Unipolar Hall Switch  
Output Behaviour versus Magnetic Pole  
DC Operating Parameters T = -40 C to 150 C, V  
DD  
= 2.5V to 24V (unless otherwise specified)  
A
Parameter  
Test Conditions  
Out  
B
B
>
>
North po  
South po  
l
l
e (TO)  
Low  
BOP  
BOP  
e (SOT)  
Low  
High  
Null or weak magnetic field  
B= 0 or B < BRP  
Table : Output behaviour versus magnetic pole  
Application Information  
It is strongly recommended that an external bypass capacitor be connected (in close proximity to the Hall  
sensor) between the supply(VDD Pin) and ground(GND Pin) of the device to reduce both external noise and  
noise generated by the chopper stabilization technique. As is shown in the two figures in next page, a 0.1μF  
capacitor is typical.  
For reverse voltage protection, it is recommended to connect a resistor or a diode in series with the V  
pin. When using a resistor, three points are important:  
DD  
- the resistor has to limit the reverse current to 50mA maximum (V  
/ R1 ≤ 50mA)  
CC  
- the resulting device supply voltage V  
DD  
has to be higher than V  
min (V  
DD  
= V  
CC  
– R1*I )  
DD  
DD  
2/R1)  
- the resistor has to withstand the power dissipated in reverse voltage condition (P = VCC  
D
When using a diode, a reverse current cannot flow and the voltage drop is almost constant (≈0.7V).  
Therefore, a 100Ω/0.25W resistor for 5V application and a diode for higher supply voltage are  
recommended. Both solutions provide the required reverse voltage protection.  
When a weak power supply is used or when the device is intended to be used in noisy environment, it  
is recommended that figure 13.3 from the Application Information section is used.  
The low-pass filter formed by R1 and C1 and the Zener diode Z1 bypass the disturbances or voltage spikes  
occurring on the device supply voltage V . The diode D1 provides additional reverse voltage protection.  
DD  
Automotive and Severe  
Environment Protection Circuit  
Typical Three-Wire Application Circuit  
R1:100  
VDD  
VDD  
R2  
C2  
C1  
R2  
C2  
C1  
D1  
OUT  
OUT  
SS5782  
SS5782  
Z1  
GND  
GND  
5
V2.00 May 1, 2012  
SS5782  
Unipolar Hall Switch  
ESD Precautions  
Electronic semiconductor products are sensitive to Electro Static Discharge (ESD).  
Always observe Electro Static Discharge control procedures whenever handling semiconductor products.  
6
V2.00 May 1, 2012  
SS5782  
Unipolar Hall Switch  
Package Information  
Package UA, 3-Pin SIP(TO-92):  
7
V2.00 May 1, 2012  
SS5782  
Unipolar Hall Switch  
Package SO, 3-Pin (SOT-23):  
Hall plate location  
Bottom View of SOT-23 Package  
3
Chip  
0.56  
0.66  
0.95  
0.80  
2
1
1.50  
1.40  
8
V2.00 May 1, 2012  
SS5782  
Unipolar Hall Switch  
Ordering Information  
Part No.  
Pb-free  
Temperature Code  
-40°C to 85°C  
-40°C to 85°C  
-40°C to 125°C  
-40°C to 125°C  
-40°C to 150°C  
-40°C to 150°C  
Package Code  
SOT-23  
TO-92  
Packing  
SS5782ESOT  
SS5782EUA  
SS5782KSOT  
SS5782KUA  
SS5782LSOT  
SS5782LUA  
YES  
YES  
YES  
YES  
YES  
YES  
7-in. reel, 3000 pieces/reel  
Bulk, 1000 pieces/bag  
7-in. reel, 3000 pieces/reel  
Bulk, 1000 pieces/bag  
7-in. reel, 3000 pieces/reel  
Bulk, 1000 pieces/bag  
SOT-23  
TO-92  
SOT-23  
TO-92  
9
V2.00 May 1, 2012  

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