End of line programmable Hall-effect Latch / Switch
1. Features and Benefits
Programmable parameters in the
application
Wide magnetic Latch range: ±0.4mT to
±80mT
Wide magnetic Switch range: ±1.5mT
to ±66mT
Programmable Hysteresis: 1mT to
36mT
Programmable field: North or South
Programmable Output polarity: Direct
or Inverted
Built-in Negative TC coefficient: 0 to -
2000 ppm/degC
Increased Traceability: 32 bits ID on
chip
Wide operating voltage rang : from 2.7V to
24V
Reverse Supply Voltage Protection
Output Current Limit with Auto-Shutoff
Under-Voltage Lockout Protection
Thermal Protection
2. Application Examples
Automotive, Consumer and Industrial
Solid-state switch
3-phase BLDC motor commutation
Wiper motor
Window lifter
Sunroof/Tailgate opener
Seat motor adjuster
Electrical power steering
Brake Light switch
3. Ordering Information
Part No.
MLX92232LSE-AAA-000-RE
MLX92232LUA-AAA-000-BU
MLX92232LSE-AAA-001-RE
MLX92232LUA-AAA-001-BU
MLX92232LSE-AAA-002-RE
MLX92232LUA-AAA-002-BU
MLX92232LSE-AAA-003-RE
MLX92232LUA-AAA-003-BU
Temperature Code
L (-40°C to 150°C)
L (-40°C to 150°C)
L (-40°C to 150°C)
L (-40°C to 150°C)
L (-40°C to 150°C)
L (-40°C to 150°C)
L (-40°C to 150°C)
L (-40°C to 150°C)
Package Code
SE (TSOT-3L)
UA (TO-92)
SE (TSOT-3L)
UA (TO-92)
SE (TSOT-3L)
UA (TO-92)
SE (TSOT-3L)
UA (TO-92)
Comment
3-wire Switch / Latch, TC = 0 ppm/°C
3-wire Switch / Latch, TC = 0 ppm/°C
3-wire Switch / Latch, TC = -400 ppm/°C
3-wire Switch / Latch, TC = -400 ppm/°C
3-wire Switch / Latch, TC = -1100 ppm/°C
3-wire Switch / Latch, TC = -1100 ppm/°C
3-wire Switch / Latch, TC = -2000 ppm/°C
3-wire Switch / Latch, TC = -2000 ppm/°C
REVISION 2 – DECEMBER 20, 2016
3901092232
MLX92232
End of line programmable Hall-effect Latch / Switch
4. Functional Diagram
5. General description
The Melexis MLX92232 is the second generation programmable Hall-effect sensor designed in mixed signal
CMOS technology. The device integrates a voltage regulator, Hall sensor with advanced offset cancellation
system and an open-drain output driver, all in a single package.
With the built-in reverse voltage protection, a serial resistor or diode on the supply line is not required so
that even remote sensors can be specified for low voltage operation down to 2.7V while being reverse
voltage tolerant. In the event of a drop below the minimum supply voltage during operation, the under-
voltage lock-out protection will automatically freeze the device, preventing the electrical perturbation to
affect the magnetic measurement circuitry.
The open drain output is fully protected against short-circuit with a built-in current limit. An additional
automatic output shut-off is activated in case of a prolonged short-circuit condition. A self-check is then
periodically performed to switch back to normal operation if the short-circuit condition is released.
The on-chip thermal protection also switches off the output if the junction temperature increases above an
abnormally high threshold. It will automatically recover once the temperature decreases below a safe value.
Furthermore the MLX92232 features a full set of programmable parameters that can be adjusted in the
application in order to achieve the highest possible system accuracy by compensating the mechanical
tolerances.
REVISION 2 – DECEMBER 20, 2016
3901092232
Page 2 of 15
MLX92232
End of line programmable Hall-effect Latch / Switch
Contents
1. Features and Benefits ............................................................................................................................ 1
5. General description ............................................................................................................................... 2
6. Absolute Maximum Ratings ................................................................................................................... 4
7. General Electrical Specifications ............................................................................................................ 6
8. Magnetic Specifications ......................................................................................................................... 8
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