WSH520
Low voltage Single Coil Hall Effect IC with
Complementary Output Drivers
Features:
ꢀ Operate from 1.8V to 4.5V supply voltage.
ꢀ On-chip Hall sensor.
ꢀ Internal thermal compensation circuit enable operation in a wide range
temperature without loss of sensitivity.
ꢀ Output sinking capability up to 200mA for driving large load.
ꢀ Available in rugged low profile SOT-25 packages.
General Description:
WSH520 is designed to integrate Hall sensor with complementary output drivers on
the same chip, it is suitable for single coil DC brushless motors. It includes a
temperature compensated circuit, a differential amplifier, a Hysteresis controller,
complementary bi-direction drivers for sinking and driving large current load.
WSH520 are rated for operation over temperature range from –20˚ C to 75˚C and
voltage ranges from 1.8V to 4.5V.
Pin Descriptions: (SOT-25)
Name
Vcc
P/I/O
Pin#
Description
Positive Power Supply
Ground
Output Pin #2
Output Pin #1
P
P
1
2
3
4
Vss
DO
O
O
DOB
Absolute Maximum Rating (at Ta=25˚ C)
Supply Voltage
Magnetic flux density
Vcc -------------------------- 5V
B -------------------------- Unlimited
Output ON Current (continuous) Ic -------------------------- 220mA
Operating Temperature Range
Storage Temperature Range
Package Power Dissipation
Ta -------------------------- (-20˚C to +75˚C)
Ts -------------------------- (-65˚C to +150˚C)
Pd --------------------------
350mw for SOT-25
Winson reserves the right to make changes to improve reliability or manufacturability.
©Winson, April.2003
WINSON [ WINSON SEMICONDUCTOR CORP. ]
