IRLZ44N MOSFET Datasheet, Circuit, Equivalent, Pinout

The IRLZ44N is a widely-used N-Channel Power MOSFET. Renowned for its excellent switching capabilities, it is highly suited for numerous applications, especially in power electronics and voltage regulation.

Catalog

Specifications

Specification	Value
MOSFET Type	N-Channel
Voltage Rating (Vds)	55 V
Continuous Drain Current (Id)	47 A (at 25°C)
Pulsed Drain Current (Idm)	188 A (at 25°C, t ≤ 10 ms)
On-Resistance (Rds(on))	0.022 ohms (max) at Vgs = 10V
Gate Threshold Voltage (Vgs(th))	2.0 V to 4.0 V (typical)
Gate-Source Voltage (Vgs)	±20 V (max)
Total Gate Charge (Qg)	38 nC (typical)
Gate-Source Threshold Voltage (Vth)	1.0 V (max)
Input Capacitance (Ciss)	2000 pF (typical)
Output Capacitance (Coss)	450 pF (typical)
Reverse Transfer Capacitance (Crss)	250 pF (typical)
Switching Speed (tf/tr)	44 ns / 20 ns (typical)
Operating Temperature Range	-55°C to 175°C
Package Type	TO-220AB

Manufacturer

Infineon Technologies, a prominent name in Germany, exerts a considerable influence in the semiconductor industry. Esteemed for its comprehensive portfolio, the company is particularly recognized for its MOSFETs, such as the IRLZ44N. An in-depth look at Infineon's product lineup reveals an extensive array that includes microcontrollers and power management ICs. These products are integral to numerous sectors, most notably automotive, industrial, and consumer electronics.

Infineon's strategic orientation towards innovation and unwavering quality positions it as a leader in the semiconductor domain. By consistently investing in research and development, the company ensures its offerings keep pace with technological advancements. Moreover, Infineon’s dedication to ecological sustainability is evident in their production of energy-efficient semiconductors, aligning with global initiatives to mitigate carbon footprints. This holistic approach not only strengthens their market stance but also contributes to societal and environmental welfare, emphasizing the vital responsibility intertwined with technological progress.

Features

Planar Cell Structure

A notable feature of the IRLZ44N is its intricate planar cell structure, meticulously designed to sustain an extensive Safe Operating Area (SOA). This design decision plays a crucial role in ensuring the component's dependability and robust performance across varying conditions. The broad SOA ensures that the MOSFET can handle diverse electrical stresses without degradation, which is particularly valuable in critical applications. For instance, power management systems in medical devices depend heavily on such reliability.

Optimized for Availability

Manufactured with a keen eye on maximizing availability, the IRLZ44N benefits from efficient distribution channels. This strategic focus facilitates easier procurement, thereby supporting engineers and customers in meeting project deadlines seamlessly. They significantly reduce lead times, which is crucial in industries relying on just-in-time inventory systems. Organizations striving for lean manufacturing and minimal downtime will find this feature especially practical.

JEDEC Standard Qualification

The IRLZ44N meets JEDEC standard qualifications, signifying a high benchmark of reliability and compatibility within the semiconductor landscape. These standardized tests offer a level of assurance that the component will integrate reliably with other JEDEC-compliant products. Experienced engineers often seek out components that meet JEDEC standards to mitigate risks in high-criticality designs, ensuring that the end products are both reliable and high-quality.

Silicon Optimization

Geared for switching operations at frequencies below 100 kHz, the IRLZ44N is finely tuned for low to moderate-frequency switching tasks. This specific optimization is essential for achieving higher efficiency in several applications such as motor drives and power supplies. It strikes a balance between performance and frequency handling, crucial for meeting target performance without compromising the system’s integrity. Thus, this optimization helps in sustaining the efficacy and longevity of the component.

Industry-Standard Through-Hole Package

Packaged in a standard through-hole power configuration, the IRLZ44N is well-suited for traditional PCB assembly processes. This through-hole design simplifies manual placement and reinforces mechanical stability. It enhances the component's resilience in environments subject to mechanical stress or vibrations, which in turn reduces rework and maintenance downtime. This robustness is a decisive factor for engineers dealing with high-stress or vibratory conditions.

High-Current Rating

Boasting a high-current rating, the IRLZ44N excels in scenarios demanding substantial current handling. This attribute broadens the MOSFET’s utility in high-demand fields like power amplifiers and high-efficiency converters. How does a higher current rating impact thermal management? It provides a balanced approach between current capacity and heat dissipation, enhancing performance and reliability in demanding applications. Engineers often face the challenge of managing thermal loads, and here, the high-current rating offers a solution that supports heavy-duty operations without overheating.

Pinout

Delving into the intricacies of pin configuration and assignments on a device serves as a foundation for deeper technical comprehension. Each pin, akin to the neurons in a brain, can perform diverse functions—be it input/output controls, power supply connections, or communication interfaces.

Equivalent/Alternative Options

Part Number	Manufacturer	Definition	Applications
IRLZ44N	Infineon	N-Channel Power MOSFET	Switching applications, motor control, power supplies
IRF1010E	Infineon	N-Channel Power MOSFET	Switching applications, motor control, power supplies
IRF1010EZ	Infineon	N-Channel Power MOSFET	Switching applications, motor control, power supplies
IRF1010N	Infineon	N-Channel Power MOSFET	Switching applications, motor control, power supplies
IRF1010Z	Infineon	N-Channel Power MOSFET	Switching applications, motor control, power supplies
IRF1018E	Infineon	N-Channel Power MOSFET	Switching applications, motor control, power supplies
IRF1405	Infineon	N-Channel Power MOSFET	Switching applications, motor control, power supplies
IRF1405Z	Infineon	N-Channel Power MOSFET	Switching applications, motor control, power supplies
IRF1407	Infineon	N-Channel Power MOSFET	Switching applications, motor control, power supplies
IRF1607	Infineon	N-Channel Power MOSFET	Switching applications, motor control, power supplies
IRF2805	Infineon	N-Channel Power MOSFET	Switching applications, motor control, power supplies
IRF2807	Infineon	N-Channel Power MOSFET	Switching applications, motor control, power supplies
IRF2807Z	Infineon	N-Channel Power MOSFET	Switching applications, motor control, power supplies
IRF2907Z	Infineon	N-Channel Power MOSFET	Switching applications, motor control, power supplies
IRF3007	Infineon	N-Channel Power MOSFET	Switching applications, motor control, power supplies
IRF3205	Infineon	N-Channel Power MOSFET	Switching applications, motor control, power supplies
IRF3205Z	Infineon	N-Channel Power MOSFET	Switching applications, motor control, power supplies
IRF3305	Infineon	N-Channel Power MOSFET	Switching applications, motor control, power supplies
IRF3710Z	Infineon	N-Channel Power MOSFET	Switching applications, motor control, power supplies

IRLZ44N CAD Model

Advantages

Enhanced Durability

The IRLZ44N demonstrates remarkable durability, enabling it to withstand harsh environmental conditions, unexpected voltage spikes, and surges. This significantly boosts its reliability across various applications. Consider an electrician—their ability to navigate challenging scenarios directly impacts their effectiveness. How does this MOSFET maintain its durability under such stress? It achieves this through a combination of robust design and material selection, ensuring longevity and consistent performance.

Broad Accessibility

Its widespread availability simplifies the procurement process, ensuring engineers and customers face minimal disruptions in their supply chains. This reliability in sourcing components is akin to a chef always having essential ingredients on hand—ensuring the smooth progression of projects. Could this accessibility potentially lead to oversupply and waste? The balance is maintained by precise demand forecasting and inventory management.

Conformity to Industry Standards

By meeting industry standards, the IRLZ44N ensures consistent performance and reliability. This can be compared to a professional's credentials that validate their expertise, ensuring a uniform quality of service. Why is adhering to these standards so integral? It fosters trust and ensures compatibility across various systems, minimizing the risk of malfunction.

Exceptional Low-Frequency Application Performance

Specially optimized for low-frequency applications, the IRLZ44N performs exceptionally well at frequencies below 100 kHz. This performance is vital in applications where precise control and efficiency are critical. Imagine a musician tuning their instrument to achieve perfect harmony—the precision required here is analogous. However, could this specialization limit its versatility? While optimized for specific frequencies, its overall design allows for adaptability across varied applications.

Standardized Pin-Out Configuration

The IRLZ44N's standard pin-out configuration allows seamless integration and easy replacement in existing designs without substantial modifications. This feature simplifies maintenance and upgrades, much like standardized parts in mechanical systems that enable quick servicing. Can this simplicity ever lead to complacency in design? It's a possibility, but the ease of maintenance often outweighs this concern, enabling continual innovation and enhancement.

Substantial Current Capability

Its capability to manage high currents makes the IRLZ44N highly suitable for power electronics applications demanding significant current capacity. Similar to the structural integrity of a bridge supporting heavy loads, this characteristic ensures both safety and performance. How does this MOSFET maintain its structural integrity under high current loads? It utilizes advanced materials and design techniques to dissipate heat effectively and prevent failure.

High Voltage Linear Regulators

The IRLZ44N excels in high voltage linear regulators, where it efficiently controls and stabilizes output voltage. Its superior switching speed and low on-resistance enhance performance, ensuring a steady and reliable voltage supply.

Non-Resonant Switching Converters

The IRLZ44N is highly suitable for non-resonant switching converters including buck, boost, and buck-boost configurations. In these applications, it ensures efficient voltage conversion due to its high efficiency and low power loss. A notable application is in battery-powered devices, where energy efficiency translates to longer battery life.

Resonant Switching Converters

In resonant switching converters such as half-bridge or full-bridge designs, the IRLZ44N supports high-frequency, high-efficiency power conversion applications. This component's ability to operate at higher frequencies reduces the size of passive components, leading to more compact and lightweight designs. Its usage is evident in modern consumer electronics, where space-saving and efficiency are highly valued. Additionally, in the automotive industry, the IRLZ44N facilitates efficient power management in electric vehicles, contributing to improved performance and energy utilization.

IRF3708 vs IRLZ44N

The IRF3708 and IRLZ44N are both MOSFETs extensively utilized in electronic circuits for switching and amplification purposes. These devices are integral in managing power distribution in systems ranging from simple consumer electronics to complex industrial machinery.

Characteristic	IRF3708	IRLZ44N
Voltage Rating (Vds)	30V	55V
On-Resistance (Rds(on))	Lower Rds(on) values available	Slightly higher Rds(on) values, more suitable for moderate to high voltage
Gate Threshold Voltage (Vgs(th))	2.0V to 4.0V	1.0V to 2.0V
Gate-Source Voltage (Vgs)	±20V	±20V
Total Gate Charge (Qg)	28 nC (typical)	38 nC (typical)
Switching Speed	Faster switching speed	Slower switching speed
Package Type	TO-220 or D2Pak	TO-220 or TO-262

IRLZ34N vs IRLZ44N

The IRLZ34N and IRLZ44N are both N-channel MOSFETs prevalently used in various applications including power management systems, motor controllers, and other high-power switching circuits.

Characteristic	IRLZ34N	IRLZ44N
Voltage Rating (Vds)	55V	55V
On-Resistance (Rds(on))	Higher Rds(on) values	Lower Rds(on) values, suitable for lower conduction losses
Gate Threshold Voltage (Vgs(th))	1.0V to 2.0V	1.0V to 2.0V
Gate-Source Voltage (Vgs)	±20V	±20V
Total Gate Charge (Qg)	31 nC (typical)	38 nC (typical)
Switching Speed	Slower switching speed	Faster switching speed
Package Type	TO-220 or TO-262	TO-220 or TO-262

IRFZ44N vs IRLZ44N

The IRFZ44N and IRLZ44N are both N-channel power MOSFETs widely utilized in various electronic applications.

Characteristic	IRFZ44N	IRLZ44N
Voltage Rating (Vds)	55V	55V
On-Resistance (Rds(on))	Higher Rds(on) values	Lower Rds(on) values, suitable for lower conduction losses
Gate Threshold Voltage (Vgs(th))	2.0V to 4.0V	1.0V to 2.0V
Gate-Source Voltage (Vgs)	±20V	±20V
Total Gate Charge (Qg)	54 nC (typical)	38 nC (typical)
Switching Speed	Slower switching speed	Faster switching speed
Package Type	TO-220 or TO-262	TO-220 or TO-262

How to Interface IRFZ44N with Arduino?

Interfacing the IRFZ44N MOSFET with an Arduino board opens up possibilities for controlling high-current loads with a modest current control signal. This setup is frequently applied in scenarios like motor control, LED dimming, and power regulation. Understanding this involves not just the basic connections, but also the underlying principles and practical aspects to ensure effective and reliable performance.

To connect an IRFZ44N MOSFET to an Arduino, follow these detailed steps:

• Connect the MOSFET’s gate to one of the Arduino’s digital I/O pins through a current-limiting resistor (typically ranging from 220Ω to 1kΩ).

• The MOSFET’s source should connect to the ground (GND) of both the Arduino and the power supply.

• The drain needs to be connected to the negative terminal of the load, while the load’s positive terminal connects to the positive rail of the external power supply.

When the Arduino drives the gate pin high, the MOSFET will conduct, allowing current to flow through the load.

Effective Utilization of the IRLZ44N MOSFET

To employ the IRLZ44N as an efficient switch, you need to gather a few pivotal components: the IRLZ44N MOSFET, a load (such as a motor or LED), a power supply, a microcontroller (e.g., an Arduino), and possibly a pull-down resistor. Establish the following connections for optimal performance. The MOSFET could inadvertently turn on if left floating—this phenomenon can be avoided with a pull-down resistor ensuring stability. Now, let's dive into the core connections.

Core Connections

• Connect the Drain pin to the positive terminal of the load.

• Connect the Source pin to the ground.

• Ensure the load's negative terminal is also connected to the ground.

Gate Control and Stability

A pull-down resistor may be necessary between the Gate pin and ground to ensure the MOSFET stays off when the control signal is absent.

Activation and Control

To turn on the IRLZ44N MOSFET, apply a gate voltage higher than its threshold voltage (typically 1.0V to 2.0V). A common practice involves utilizing a microcontroller to supply at least 5V to the gate. The operational steps follow, but why maintain the gate voltage at 5V? It's all about ensuring the MOSFET operates in saturation mode for maximum efficiency.

Microcontroller Interaction

Program the microcontroller to set the digital output HIGH to activate the MOSFET, and LOW to deactivate it. Temperature can affect both threshold voltage and switching times, hence a solid design must account for these parameters. Bringing those connections into perspective, we pave the way for efficient utilization of the IRLZ44N MOSFET under various conditions.

Understanding the IRFZ44N

The IRFZ44N is a highly-utilized N-Channel Power MOSFET, manufactured by several prominent technology companies, including Infineon Technologies. This MOSFET is precisely designed for switching and controlling high-power loads, reflecting its significance in various technological applications.

Structural Advantages and Electrical Characteristics

The IRFZ44N employs a vertical structure—a design choice that allows it to efficiently handle substantial currents, often up to 49A. Its gate threshold voltage is notably low. This characteristic permits seamless interfacing with low-power microcontrollers and other control systems, ensuring efficient switching with minimal power loss. Consequently, it meets contemporary energy efficiency benchmarks without compromise.

Applications in Varied Domains

The utility of the IRFZ44N is evident across multiple practical applications, each demonstrating its capability and adaptability.

• Automotive Systems: Acting as a high-current switch, the IRFZ44N controls motors and various components. It’s the enhanced reliability and ability to manage significant currents typical in automotive contexts.

• Power Supply Circuits: In these circuits, the IRFZ44N regulates voltage and current, thereby ensuring stable and dependable operation. The robust design allows for consistent performance, even under varying load conditions.

• Renewable Energy Solutions: The IRFZ44N is a favored choice in solar inverters and other renewable energy applications. This preference stems from its capacity for efficient energy conversion, perfect for optimizing the performance of renewable systems.