Datasheet > MLX92221LSE-AAA

MLX92221LSE-AAA

更新时间： 2024-11-12 02:52:47

品牌	Logo	应用领域
迈来芯 - MELEXIS		/
页数	文件大小	规格书
17页	868K
描述
2-Wire Hall Effect Latch

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MLX92221LSE-AAA 数据手册

MLX92221-AAA

2-Wire Hall Effect Latch

Features and Benefits

Applications

▪

Wide operating voltage range: from 2.7V to 24V

Integrated self-diagnostics

Chopper-stabilized amplifier stage

Programmable Built-in negative temperature

coefficient

Reverse Supply Voltage Protection

Under-Voltage Lockout Protection

Thermal Protection

▪

Automotive, Consumer and Industrial

Wiper motor

Window lifter

Seatbelt buckle

Seat positioning

Sunroof/Tailgate opener

Electrical power steering

▪

High ESD rating / Excellent EMC performance

Ordering information

Part No.

Temperature Code

L (-40°C to 150°C)

Package Code

UA (TO92-3L)

SE (TSOT-23)

Comment

BU (Bulk)

RE (Reel)

MLX92221LUA-AAA-xxx-BU

MLX92221LSE-AAA-xxx-RE

The included voltage regulator operates from 2.7 to 24V,

hence covering a wide range of applications. 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.

1. Functional Diagram

VDD

Voltage Regulator

with Reverse Polarity

Protection

Under-

Voltage

Lockout

TEST

Temperature

Compensation

Bop/Brp

reference

Thermal

Protection

In an 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 output current state is therefore only updated based on

a proper and accurate magnetic measurement result.

Switched

Hall

Plate

Output

Current Sink

CDS

Amplifier

Trimming

Control

The two-wire interface not only saves one wire, but also

allows implementation of diagnostic functions as reverse

polarity connection and malfunction detection.

GND

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.

2. General Description

The Melexis MLX92221 is a new generation of Hall-effect

switches designed in mixed signal submicron CMOS

technology.

With latching magnetic characteristics, the supply current

state is turned high by a sufficiently strong South Pole

facing the package branded side. Toggling the state of the

supply current from high to low is possible by applying low

or no magnetic field.

The device integrates a voltage regulator, Hall sensor with

advanced offset cancellation system and a current sink-

configured output driver, all in a single package.

Based on a brand-new platform, the magnetic core is using

an improved offset cancellation system allowing faster and

more accurate processing while being temperature

insensitive and stress independent. In addition, a

temperature coefficient is implemented to compensate the

natural behaviour of certain types of magnets becoming

weaker with rise in temperature.

The MLX92221 is delivered in a Green and RoHS compliant

Plastic Single-in-Line (TO-92 flat) for through-hole mount or

PCB-less design or in 3-pin Thin Small Outline Transistor

(TSOT) for surface mount process

REVISION 004 – JULY 14, 2021

Page 1 of 17

390109222102

12 3 4 5 6 7...17

中文翻译

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与MLX92221LSE-AAA相关器件

型号	品牌	获取价格	描述	数据表
MLX92221LSE-AAA-001	MELEXIS	获取价格	2-Wire Hall Effect Latch
MLX92221LSE-AAA-002	MELEXIS	获取价格	2-Wire Hall Effect Latch
MLX92221LSE-AAA-003	MELEXIS	获取价格	2-Wire Hall Effect Latch
MLX92221LSE-AAA-xxx-RE	MELEXIS	获取价格	2-Wire Hall Effect Latch
MLX92221LUA-AAA	MELEXIS	获取价格	2-Wire Hall Effect Latch
MLX92221LUA-AAA-004	MELEXIS	获取价格	2-Wire Hall Effect Latch
MLX92221LUA-AAA-005	MELEXIS	获取价格	2-Wire Hall Effect Latch
MLX92221LUA-AAA-006	MELEXIS	获取价格	2-Wire Hall Effect Latch
MLX92221LUA-AAA-xxx-BU	MELEXIS	获取价格	2-Wire Hall Effect Latch
MLX92231	MELEXIS	获取价格	3-Wire Hall Effect Switch

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