SS579
Hall Latch - High Sensitivity
Glossary of Terms
MilliTesla (mT), Gauss
Units of magnetic flux density: 1mT = 10 Gauss
RoHS
SOT
Restriction of Hazardous Substances
Small Outline Transistor (SOT package) – also referred with the package code
“SO”
ESD
Electro-Static Discharge
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)
Unique Features
Based on mixed signal CMOS technology, the SS579 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 3.5V to 24V, low current consumption and large choice of operating temperature
range according to “E”, “K” and “L” specification make this device suitable for automotive, industrial and con-
sumer applications.
Pin Definitions and Descriptions
SOT Pin № SIP Pin №
Name
Type
Function
1
2
3
1
3
2
VDD
Supply
Output
Ground
Supply Voltage Pin
Open Drain Output Pin
Ground Pin
OUT
GND
2
V3.10 Nov 1, 2013
SECELECTRONICS [ SEC Electronics Inc. ]
