MLX92211-AxA
3-Wire Hall Effect Latch
Features and Benefits Application Examples
Wide operating voltage range : from 2.7V to 24V Automotive, Consumer and Industrial
Chopper-stabilized amplifier stage Solid-state switch
Built-in negative temperature coefficient 3-phase BLDC motor commutation
Reverse Supply Voltage Protection Wiper motor
Output Current Limit with Auto-Shutoff Window lifter
Under-Voltage Lockout Protection Sunroof/Tailgate opener
Thermal Protection Seat motor adjuster
High ESD rating / Excellent EMC performance Electrical power steering
Ordering Information
Part No. Temperature Code Package Code Comment
MLX92211LUA-AAA-000-BU L (-40C to 150C) UA (TO92-3L) B /B = 3mT, TC = -1100 ppm/C
OP RP
MLX92211LUA-ADA-000-BU L (-40C to 150C) UA (TO92-3L) B /B = 14mT, TC = -2000 ppm/C
OP RP
MLX92211LSE-AAA-000-RE L (-40C to 150C) SE (TSOT-23) B /B = 3mT, TC = -1100 ppm/C
OP RP
MLX92211LSE-ACA-000-RE L (-40C to 150C) SE (TSOT-23) B /B = 3mT, TC = -2000 ppm/C
OP RP
MLX92211LSE-ADA-000-RE L (-40C to 150C) SE (TSOT-23) B /B = 14mT, TC = -2000 ppm/C
OP RP
1 Functional Diagram
The included voltage regulator operates from 2.7 to 24V,
hence covering a wide range of applications. With the
VDD
built-in reverse voltage protection, a serial resistor or
Voltage Regulator Under- diode on the supply line is not required so that even
with Reverse Polarity Voltage
remote sensors can be specified for low voltage operation
Protection Lockout
down to 2.7V while being reverse voltage tolerant.
Temperature Bop/Brp Thermal
Compensation reference Protection
In the event of a drop below the minimum supply voltage
Switched OUT
during operation, the under-voltage lock-out protection
Open-Drain
Hall
Output
Plate will automatically freeze the device, preventing the
CDS
Amplifier
electrical perturbation to affect the magnetic
measurement circuitry. The output state is therefore only
Current
Control Limit &
updated based on a proper and accurate magnetic
Auto-Shutoff
measurement result.
GND
The open drain output is fully protected against short-
circuit with a built-in current limit. An additional
2 General Description
automatic output shut-off is activated in case of a
prolonged short-circuit condition. A self-check is then
The Melexis MLX92211 is the second generation Hall-
periodically performed to switch back to normal
effect latch designed in mixed signal CMOS technology.
operation if the short-circuit condition is released.
The device integrates a voltage regulator, Hall sensor with
The on-chip thermal protection also switches off the
advanced offset cancellation system and an open-drain
output if the junction temperature increases above an
output driver, all in a single package. Based on a brand
abnormally high threshold. It will automatically recover
new platform, the magnetic core is using an improved
once the temperature decreases below a safe value.
offset cancellation system allowing faster and more
accurate processing while being temperature insensitive
With latching magnetic characteristics, the output is
and stress independent. In addition is implemented a
turned low or high respectively with a sufficiently strong
negative temperature coefficient to compensate the
South or North pole facing the package top side. When
natural behaviour of magnets becoming weaker with rise
removing the magnetic field, the device keeps its previous
in temperature.
state.
390109221101 Page 1 of 13 Datasheet
Rev. 008 www.melexis.com Mar/17 MLX92211-AxA
3-Wire Hall Effect Latch
Table of Contents
1 Functional Diagram .................................................................................................................................................. 1
2 General Description ................................................................................................................................................. 1
Table of Contents ........................................................................................................................................................ 2
3 Glossary of Terms..................................................................................................................................................... 3
4 Absolute Maximum Ratings ..................................................................................................................................... 3
5 General Electrical Specifications ............................................................................................................................... 4
6 Magnetic Specifications ........................................................................................................................................... 5
6.1 MLX92211LSE-AAA-000 ....................................................................................................................................... 5
6.2 MLX92211LUA-AAA-000 ...................................................................................................................................... 5
6.3 MLX92211LSE-ACA-000 ....................................................................................................................................... 5
6.4 MLX92211LSE-ADA-000 ....................................................................................................................................... 5
6.5 MLX92211LUA-ADA-000 ...................................................................................................................................... 6
7 Output Behaviour versus Magnetic Pole .................................................................................................................. 6
7.1 South Pole Active................................................................................................................................................. 6
7.2 North Pole Active ................................................................................................................................................ 6
8 Performance Graphs ................................................................................................................................................ 7
8.1 Magnetic parameters vs. T ................................................................................................................................. 7
A
8.2 Magnetic parameters vs. V .............................................................................................................................. 7
DD
8.3 V vs. T ........................................................................................................................................................... 7
DSon A
8.4 V vs. V ......................................................................................................................................................... 7
DSon DD
8.5 I vs. T ............................................................................................................................................................... 7
DD A
8.6 I vs. V ............................................................................................................................................................. 7
DD DD
8.7 I vs. T .............................................................................................................................................................. 8
OFF A
8.8 I vs. V ........................................................................................................................................................... 8
OFF OUT
9 Application Information ........................................................................................................................................... 9
9.1 Typical Three-Wire Application Circuit ................................................................................................................ 9
9.2 Automotive and Harsh, Noisy Environments Three-Wire Circuit ........................................................................ 9
10 Standard information regarding manufacturability of Melexis products with different soldering processes ........ 10
11 ESD Precautions ................................................................................................................................................... 10
12 Packages .............................................................................................................................................................. 11
12.1 SE Package (TSOT-23) ...................................................................................................................................... 11
12.1 UA (TO92 - 3L) ................................................................................................................................................ 12
13 Disclaimer ............................................................................................................................................................ 13
390109221101 Page 2 of 13 Datasheet
Rev. 008 www.melexis.com Mar/17