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S-57K1 A Series
FOR AUTOMOTIVE 125°C OPERATION HIGH-WITHSTAND VOLTAGE
www.sii-ic.com
HIGH-SPEED BIPOLAR HALL EFFECT LATCH
© SII Semiconductor Corporation, 2013-2015
Rev.1.5_01
The S-57K1 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-57K1 A Series detects the intensity level of magnetic flux density and a polarity
change. Using the S-57K1 A Series with a magnet makes it possible to detect the rotation status in various devices.
The S-57K1 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-57K1 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:
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.
Bipolar latch
VOUT = "L" at S pole detection
VOUT = "H" at S pole detection
Nch open-drain output, Nch driver + built-in pull-up resistor
BOP = 3.0 mT typ., BOP = 6.0 mT typ.
tCYCLE = 8.0 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 BIPOLAR HALL EFFECT LATCH
S-57K1 A Series
Rev.1.5_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 BIPOLAR HALL EFFECT LATCH
Rev.1.5_01
S-57K1 A Series
AEC-Q100 in Process
Contact our sales office for details of AEC-Q100 reliability specification.
Product Name Structure
1. Product name
S-57K1 x B 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: VOUT = "L" at S pole detection
H: VOUT = "H" at S pole detection
Pole detection
B: Bipolar latch
*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
S-57K1NBL1A-M3T2U Nch open-drain output
Bipolar latch
S-57K1NBL2A-M3T2U Nch open-drain output
Bipolar latch
S-57K1NBH1A-M3T2U Nch open-drain output
Bipolar latch
S-57K1RBL1A-M3T2U Nch driver + built-in pull-up resistor Bipolar latch
Remark Please contact our sales office for products other than the above.
Detection Logic
for Magnetism
VOUT = "L" at S pole
detection
VOUT = "L" at S pole
detection
VOUT = "H" at S pole
detection
VOUT = "L" at S pole
detection
Magnetic
Sensitivity (BOP)
3.0 mT typ.
6.0 mT typ.
3.0 mT typ.
3.0 mT typ.
3

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FOR AUTOMOTIVE 125°C OPERATION HIGH-WITHSTAND VOLTAGE HIGH-SPEED BIPOLAR HALL EFFECT LATCH
S-57K1 A Series
Rev.1.5_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
VSS 0.3 to VDD + 0.3
650*1
V
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 BIPOLAR HALL EFFECT LATCH
Rev.1.5_01
S-57K1 A Series
Electrical Characteristics
Table 5
(Ta = +25°C, VDD = 12.0 V, VSS = 0 V unless otherwise specified)
Item Symbol
Condition
Min.
Typ.
Max.
Unit
Test
Circuit
Power supply voltage
Current consumption
VDD
IDD
Current consumption
during reverse connection
IDDREV
Output voltage
Output drop voltage
Leakage current
Operating cycle
VOUT
VD
ILEAK
tCYCLE
Nch open-drain output product
Average value
Nch driver + built-in pull-up resistor product
Average value, VOUT = "H"
Nch open-drain output product
VDD = 26.0 V
Nch driver + built-in pull-up resistor product
VDD = 26.0 V
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
Nch driver + built-in pull-up resistor product
VOUT = "H", VD = VDD VOUT
Nch open-drain output product
Output transistor Nch, VOUT = "H" = 26.0 V
3.5 12.0 26.0 V
3.0 4.0 mA
3.0 4.0 mA
1
mA
5
mA
− − 0.4 V
− − 0.5 V
− − 20 mV
− − 10 μA
8.0 − μs
1
1
1
1
2
2
2
3
Operating frequency
fCYCLE
125 kHz
Output limit current
IOM VOUT = 12.0 V
22 70 mA 3
Start up time
tPON
20 − μs 4
Pull-up resistor
RL Nch driver + built-in pull-up resistor product
7 10 13 kΩ −
5