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S-57A1 A Series
FOR AUTOMOTIVE 125°C OPERATION HIGH-WITHSTAND VOLTAGE
www.sii-ic.com
HIGH-SPEED UNIPOLAR DETECTION TYPE HALL IC
© SII Semiconductor Corporation, 2013-2015
Rev.1.6_01
The S-57A1 A Series, developed by CMOS technology, is a high-accuracy Hall IC that operates with high temperature and
high-withstand voltage.
The output voltage changes when the S-57A1 A Series detects the intensity level of magnetic flux density. Using the S-57A1
A Series with a magnet makes it possible to detect the open / close and rotation status in various devices.
The S-57A1 A Series includes a reverse voltage protection circuit and an output current limit circuit.
High-density mounting is possible by using the small SOT-23-3 package.
Due to its high-accuracy magnetic characteristics, the S-57A1 A Series can make operation's dispersion in the system
combined with magnet smaller.
Caution This product can be used in vehicle equipment and in-vehicle equipment. Before using the product in the
purpose, contact to SII Semiconductor Corporation is indispensable.
Features
Pole detection*1:
Detection logic for magnetism*1:
Output form*1:
Magnetic sensitivity*1:
Operating cycle:
Power supply voltage range:
Built-in regulator
Built-in reverse voltage protection circuit
Built-in output current limit circuit
Operation temperature range:
Lead-free (Sn 100%), halogen-free
AEC-Q100 in process*2
*1. The option can be selected.
*2. Contact our sales office for details.
Detection of S pole, detection of N pole
Active "L", active "H"
Nch open-drain output, Nch driver + built-in pull-up resistor
BOP = 3.0 mT typ., BOP = 6.0 mT typ.
tCYCLE = 16.0 μs typ.
VDD = 3.5 V to 26.0 V
Ta = 40°C to +125°C
Applications
Automobile equipment
Home appliance
DC brushless motor
Housing equipment
Industrial equipment
Package
SOT-23-3
1

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FOR AUTOMOTIVE 125°C OPERATION HIGH-WITHSTAND VOLTAGE HIGH-SPEED UNIPOLAR DETECTION TYPE HALL IC
S-57A1 A Series
Rev.1.6_01
Block Diagrams
1. Nch open-drain output product
VDD
VSS
Reverse voltage
protection circuit
Regulator
Chopping
stabilized
amplifier
Output current limit circuit
OUT
*1
*1. Parasitic diode
Figure 1
2. Nch driver + built-in pull-up resistor product
VDD
VSS
Reverse voltage
protection circuit
Regulator
Chopping
stabilized
amplifier
Output current limit circuit
*1. Parasitic diode
Figure 2
OUT
*1
2

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FOR AUTOMOTIVE 125°C OPERATION HIGH-WITHSTAND VOLTAGE HIGH-SPEED UNIPOLAR DETECTION TYPE HALL IC
Rev.1.6_01
S-57A1 A Series
AEC-Q100 in Process
Contact our sales office for details of AEC-Q100 reliability specification.
Product Name Structure
1. Product name
S-57A1 x x x x A - M3T2 U
Environmental code
U: Lead-free (Sn 100%), halogen-free
Package name (abbreviation) and packing specifications*1
M3T2: SOT-23-3, Tape
Operation temperature
A: Ta = 40°C to +125°C
Magnetic sensitivity
1: BOP = 3.0 mT typ.
2: BOP = 6.0 mT typ.
Detection logic for magnetism
L: Active "L"
H: Active "H"
Pole detection
S: Detection of S pole
N: Detection of N pole
*1. Refer to the tape drawing.
Output form
N: Nch open-drain output
R: Nch driver + built-in pull-up resistor
2. Package
Package Name
SOT-23-3
Table 1 Package Drawing Codes
Dimension
MP003-C-P-SD
Tape
MP003-C-C-SD
Reel
MP003-Z-R-SD
3. Product name list
Table 2
Product Name
Output Form
Pole Detection
Detection Logic
for Magnetism
S-57A1NSL1A-M3T2U Nch open-drain output
S pole
S-57A1NSL2A-M3T2U Nch open-drain output
S pole
S-57A1NSH1A-M3T2U Nch open-drain output
S pole
S-57A1NSH2A-M3T2U Nch open-drain output
S pole
S-57A1NNL2A-M3T2U Nch open-drain output
N pole
S-57A1RSL1A-M3T2U Nch driver + built-in pull-up resistor S pole
Remark Please contact our sales office for products other than the above.
Active "L"
Active "L"
Active "H"
Active "H"
Active "L"
Active "L"
Magnetic
Sensitivity
(BOP)
3.0 mT typ.
6.0 mT typ.
3.0 mT typ.
6.0 mT typ.
6.0 mT typ.
3.0 mT typ.
3

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FOR AUTOMOTIVE 125°C OPERATION HIGH-WITHSTAND VOLTAGE HIGH-SPEED UNIPOLAR DETECTION TYPE HALL IC
S-57A1 A Series
Rev.1.6_01
Pin Configuration
1. SOT-23-3
Top view
1
23
Pin No.
1
2
3
Table 3
Symbol
VSS
VDD
OUT
Description
GND pin
Power supply pin
Output pin
Figure 3
Absolute Maximum Ratings
Table 4
Item
Power supply voltage
Output current
Output voltage
Nch open-drain output product
Nch driver + built-in pull-up resistor product
Power dissipation
Junction temperature
Operation ambient temperature
Storage temperature
*1. When mounted on board
[Mounted board]
(1) Board size:
(2) Board name:
114.3 mm × 76.2 mm × t1.6 mm
JEDEC STANDARD51-7
Symbol
VDD
IOUT
VOUT
PD
Tj
Topr
Tstg
(Ta = +25°C unless otherwise specified)
Absolute Maximum Rating
Unit
VSS 28.0 to VSS + 28.0
20
V
mA
VSS 0.3 to VSS + 28.0
V
VSS 0.3 to VDD + 0.3
650*1
V
mW
40 to +150
°C
40 to +125
°C
40 to +150
°C
Caution The absolute maximum ratings are rated values exceeding which the product could suffer physical
damage. These values must therefore not be exceeded under any conditions.
700
600
500
400
300
200
100
0
0 50 100 150
Ambient temperature (Ta) [°C]
Figure 4 Power Dissipation of Package (When Mounted on Board)
4

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FOR AUTOMOTIVE 125°C OPERATION HIGH-WITHSTAND VOLTAGE HIGH-SPEED UNIPOLAR DETECTION TYPE HALL IC
Rev.1.6_01
S-57A1 A Series
Electrical Characteristics
Table 5
Item
Power supply voltage
Current consumption
Current consumption
during reverse connection
Output voltage
Output drop voltage
Leakage current
Operating cycle
Operating frequency
Output limit current
Start up time
Pull-up resistor
(Ta = +25°C, VDD = 12.0 V, VSS = 0 V unless otherwise specified)
Symbol
Condition
Min.
Typ.
Max.
Unit
Test
Circuit
VDD 3.5 12.0 26.0 V
Nch open-drain output product
IDD
Average value
Nch driver + built-in pull-up resistor product
Average value, VOUT = "H"
3.0 4.0 mA 1
3.0 4.0 mA 1
IDDREV
Nch open-drain output product
VDD = 26.0 V
Nch driver + built-in pull-up resistor product
VDD = 26.0 V
1
5
mA 1
mA 1
VOUT
Nch open-drain output product
Output transistor Nch, VOUT = "L", IOUT = 10 mA
Nch driver + built-in pull-up resistor product
Output transistor Nch, VOUT = "L", IOUT = 10 mA
0.4 V 2
0.5 V 2
VD
Nch driver + built-in pull-up resistor product
VOUT = "H", VD = VDD VOUT
− − 20 mV 2
ILEAK
Nch open-drain output product
Output transistor Nch, VOUT = "H" = 26.0 V
− − 10 μA 3
tCYCLE
fCYCLE
IOM
tPON
RL
VOUT = 12.0 V
Nch driver + built-in pull-up resistor product
16.0 − μs
62.5 kHz
22 70 mA 3
30 − μs 4
7 10 13 kΩ −
5