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MLX91220KDF-ABF-117-RE | Melexis Technologies

Post Date：2024-11-19，

The MLX91220KDF-ABF-117-RE is a standout current sensor designed by Melexis Technologies. It combines precision, reliability, and compactness, making it an ideal solution for diverse applications. From electric vehicles to industrial automation, its features cater to modern demands.

MLX91220KDF-ABF-117-RE，Melexis Technologies

What is MLX91220KDF-ABF-117-RE?

The MLX91220KDF-ABF-117-RE is a contactless current sensor that provides accurate and reliable current measurements. Its robust design ensures performance in harsh conditions, such as high temperatures and electromagnetic interference. Unlike traditional sensors, it uses contactless sensing, which increases durability by avoiding direct contact with the current-carrying conductor.

This sensor belongs to Melexis's range of advanced automotive-grade devices. It delivers precise analog output, making it suitable for applications where accurate current monitoring is essential. Its compact form factor further simplifies integration into space-constrained designs.

Pinout of MLX91220KDF-ABF-117-RE

The MLX91220KDF-ABF-117-RE is a current sensor with a SOIC-16 package. The pin count is 16, it consists of standard connections for power, signal, and ground. The pins are arranged for straightforward integration into PCB designs. Here is a detailed introduction:

MLX91220KDF-ABF-117-RE | Melexis Technologies

Here is a detailed function of each pins:

Pin	Function
IP+	Primary Current Path Input
IP-	Primary Current Path Output
VSS	Ground Voltage
VREF	Reference Voltage
NC	Not connected
VOUT	Output Voltage
OCDEXT	External Overcurrent detection
VDD	Supply Voltage
VOCEXT	External Overcurrent threshold voltage
OCDINT	Internal Overcurrent Detection

MLX91220KDF-ABF-117-RE Features

The MLX91220KDF-ABF-117-RE offers advanced features tailored to demanding environments:

Contactless sensing: Measures current without direct contact, reducing risks and enhancing longevity.
High accuracy: Delivers precise readings with minimal error, even in noisy environments.
Wide current range: Handles currents up to 50A, catering to different applications.
Energy efficient: Consumes low power, ideal for energy-sensitive systems.
Thermal stability: Operates reliably across a wide temperature range (-40°C to 125°C).
Compact package: Enables use in space-constrained applications.
Wide operating temperature range: Performs reliably in both hot and cold conditions.
Easy to pick and place assembly: Reel packaging for convenient assembly.

Technical Specifications

Types: Current Sensors

Mfr: Melexis Technologies NV

Series: MLX91220

Packaging: Tape & Reel (TR)

Part Status: Active

For Measuring: AC/DC

Sensor Type: Hall Effect

Current – Sensing: 17A

Number of Channels: 1

Output: Fixed, Voltage

Sensitivity: 120mV/A

Frequency: DC ~ 300kHz

Linearity: ±0.6%

Voltage – Supply: 4.5V ~ 5.5V

Response Time: 2µs

Current - Supply (Max): 26mA

Operating Temperature: -40°C ~ 125°C

Polarization: Bidirectional

Mounting Type: Surface Mount

Package / Case: 16-SOIC (0.295", 7.50mm Width)

Supplier Device Package: 16-SOIC

Accuracy: ±1% full-scale error

Output Type: Analog

These specifications make it suitable for diverse applications, including automotive systems and industrial equipment.

Advantages and Disadvantages of MLX91220KDF-ABF-117-RE

Advantages:

Non-intrusive sensing: Eliminates physical connection to the current-carrying wire.

High reliability: Built for harsh environments.

Compact design: Fits easily into tight spaces.

Wide compatibility: Works with different systems and voltages.

Disadvantages:

Analog output limitations: May require additional circuitry for digital systems.

Cost: Slightly higher than some simpler current sensors.

MLX91220KDF-ABF-117-RE Equivalents

Sensor	Manufacturer	Current Range	Output Type	Package	Key Features
Allegro ACS712	Allegro Microsystems	±5A, ±20A, ±30A	Analog Voltage	SOIC-8	Cost-effective, easy-to-use, hall-effect-based.
Honeywell CSLA2CD	Honeywell	Up to 300A	Analog Voltage	PCB Mount	High-current applications, reliable performance.
LEM HX 03-P/SP2	LEM	±3A	Analog Voltage	Through-hole	Compact design, suitable for industrial systems.
Infineon TLI4971	Infineon	±25A, ±50A	Analog and PWM	TDSO-16	High accuracy, temperature-compensated.
Tamura S27P-50A	Tamura	Up to 50A	Analog Voltage	PCB Mount	High reliability, robust for harsh environments.

Choose an equivalent based on specific application needs and system requirements.

Applications of MLX91220KDF-ABF-117-RE

The MLX91220KDF-ABF-117-RE is a high-resolution current sensor designed for use in various applications, including power management, motor control, and renewable energy systems. Here are some common devices that MLX91220KDF-ABF-117-RE used in:

Electric Vehicles: Monitors battery systems and power distribution for efficiency and safety.
Renewable Energy Systems: Measures current in solar panels and wind turbines for optimal performance.
Industrial Automation: Supports machinery by providing precise current feedback.
Consumer Electronics: Enhances the safety of devices by monitoring power usage.
HVAC Systems: Improves energy efficiency in heating and cooling systems.

MLX91220KDF-ABF-117-RE Manufacturer

The MLX91220KDF-ABF-117-RE is developed by Melexis Technologies, a leading global company specializing in advanced semiconductor solutions. Headquartered in Belgium, Melexis has a strong reputation for delivering innovative products tailored to the automotive, industrial, and consumer electronics sectors.

Melexis is particularly well-known for its automotive-grade sensors, including magnetic, thermal, and optical solutions. The MLX91220KDF-ABF-117-RE reflects their expertise in creating robust sensors that meet stringent automotive standards. Its high accuracy, thermal stability, and reliability make it a trusted choice for critical applications in electric vehicles, battery management systems, and motor control. They comply with key automotive certifications, such as IATF 16949, demonstrating their focus on reliable and safe components. Rigorous testing at various stages of production guarantees that sensors like the MLX91220KDF-ABF-117-RE are ready to perform under challenging conditions.

MLX91220KDF-ABF-117-RE Packages

The MLX91220KDF-ABF-117-RE comes in an SOIC-16 package. This package has several advantages:

Compact Size: Ideal for space-constrained designs.
Wide Pins: Ensures strong connections for high-reliability applications.
Thermal Stability: Allows heat dissipation, improving performance in demanding environments.
Ease of Assembly: Simplifies integration with surface-mount technology (SMT) processes.

MLX91220KDF-ABF-117-RE vs MLX91220KDF-ABF-117-SP

The MLX91220KDF-ABF-117-RE and MLX91220KDF-ABF-117-SP are both part of Melexis Technologies' MLX91220 series of high-precision Hall-effect current sensors, designed for accurate and reliable current measurement.

Both models utilize the Hall-effect sensing principle. This method enables the sensors to measure current in a contactless manner, which is highly advantageous for protecting circuits and preventing power loss. The Hall-effect technology ensures that both sensors provide highly accurate and noise-resistant measurements. MLX91220KDF-ABF-117-RE is often used in applications requiring precision, high-performance, and robust current measurements in automotive, industrial, and battery management systems. While MLX91220KDF-ABF-117-SP, on the other hand, is more commonly used in environments where cost-efficiency and medium performance are key requirements.

In addition to this, though both sensors provide analog voltage outputs, with the voltage level being proportional to the measured current. However, the signal processing capabilities differ slightly between the two.

MLX91220KDF-ABF-117-RE features optimized signal conditioning, ensuring better noise immunity and precision. This is particularly beneficial in high-speed applications that require real-time, accurate data processing.

MLX91220KDF-ABF-117-SP has a simpler signal processing design that still provides reliable measurements but may not offer the same level of noise suppression and precision as the RE variant. This makes it ideal for less demanding tasks.

FAQs

Q1: Can the MLX91220KDF-ABF-117-RE handle high currents?

Yes, it supports current measurement up to 50A with high accuracy.

Q2: Is this sensor suitable for automotive use?

Absolutely. It meets stringent automotive standards for reliability and durability.

Q3: Does it require additional calibration?

It comes pre-calibrated, but you may fine-tune it for specific applications.

Q4: What makes this sensor better than traditional solutions?

Its contactless design and precise analog output reduce system complexity.

Q5: Where can I find its datasheet?

Visit Melexis Technologies' website or contact their authorized distributors for the datasheet.

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