LM26420XSQ

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LM26420XSQ

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  • HerstellerTexas Instruments

  • Herstellerteil #LM26420XSQ

  • Auf Lager3604

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Attribut Wert
Brand Texas Instruments
ProductType Switching Voltage Regulators
Subcategory PMIC - Power Management ICs
MountingStyle SMD/SMT
Package/Case WQFN-16
MinimumOperatingTemperature - 40 C
MaximumOperatingTemperature + 125 C
Topology Buck
OutputVoltage 800 mV to 4.5 V
OutputCurrent 2 A
NumberofOutputs 2 Output
InputVoltage-Min 3 V
InputVoltage-Max 5.5 V
SwitchingFrequency 2.2 MHz
Type Step Down

Übersicht

Description

The LM26420XSQ is a high-performance dual-output synchronous step-down (buck) regulator from Texas Instruments, designed for a wide range of applications, including portable devices and industrial equipment. It features an input voltage range of 4.5V to 17V, making it suitable for various power supply designs.
The device offers two adjustable outputs with a maximum current of 2A per channel, allowing efficient power management and flexibility in design. Its integrated high-side and low-side MOSFETs minimize external components and enhance efficiency, while a switching frequency of up to 2MHz helps in reducing the size of external inductors and capacitors.
The LM26420XSQ also includes features like soft-start, thermal shutdown, and overcurrent protection, ensuring reliable operation in various conditions. With its compact package and robust performance, it is ideal for applications requiring precision power regulation and high efficiency.

Equivalent

The LM26420XSQ is a dual buck converter from Texas Instruments. Equivalent products include the TPS563201, TPS563202, and the LM22675 from Texas Instruments as well as the LTC3624 from Analog Devices. When selecting an equivalent, consider factors like input voltage range, output current capability, and switching frequency to ensure compatibility with your application.

Features

The LM26420XSQ is a high-performance, synchronous step-down DC-DC regulator designed for power management in various applications. Key features include:
1. Input Voltage Range: Operates from 4.5V to 17V, accommodating a wide range of input sources.
2. Output Current: Capable of delivering up to 2A of continuous output current.
3. High Efficiency: Achieves efficiencies exceeding 90%, reducing heat generation and improving battery life.
4. Adjustable Output Voltage: Output voltage can be set between 0.8V and the input voltage, allowing flexibility for different applications.
5. PWM Control: Utilizes pulse-width modulation (PWM) for effective regulation and stable output.
6. Integrated Components: Features integrated power MOSFETs, minimizing external component count and saving board space.
7. Protection Features: Includes over-current protection, thermal shutdown, and under-voltage lockout for enhanced reliability.
These features make the LM26420XSQ suitable for a range of applications, including portable devices, automotive systems, and industrial equipment.

Pinout

The LM26420XSQ is a dual-output, synchronous step-down converter from Texas Instruments. It has a pin count of 28.
Key functions of its pins include:
1. Power Inputs: VIN for input voltage and GND for ground.
2. Output Pins: Two switching outputs, VOUT1 and VOUT2.
3. Feedback Pins: FB1 and FB2 for voltage regulation feedback.
4. Compensation: COMP1 and COMP2 for loop compensation.
5. Control: EN (Enable) pin to control the operation of the converter.
6. Switching Frequency: SYNC pin to synchronize switching frequency with an external clock.
7. Soft-Start: SS for soft-start function to limit inrush current.
8. Protection Features: Pins for overcurrent and thermal protection, including PGOOD for power good indication.
Overall, the LM26420XSQ is designed for efficient power management in various applications, especially in portable devices and consumer electronics.

Manufacturer

The LM26420XSQ is manufactured by Texas Instruments (TI). Founded in 1930, Texas Instruments is a global semiconductor design and manufacturing company based in Dallas, Texas. It specializes in developing analog and embedded processing chips, which are essential for a wide range of electronic devices and systems.
Texas Instruments is known for its diverse product portfolio, which includes microcontrollers, digital signal processors (DSPs), and power management devices. The company serves various industries, including automotive, industrial, communications, and consumer electronics. TI is particularly recognized for its innovations in analog technology, enabling efficient power management solutions, such as the LM26420XSQ, which is a step-down voltage regulator designed for high-performance applications.
In addition to its semiconductor business, Texas Instruments also produces calculators and educational technology products, further solidifying its reputation as a leader in both electronics and education.

Application

The LM26420XSQ is a dual output step-down voltage regulator primarily used in applications requiring efficient power management. Key application areas include:
1. Telecommunications: Powering network equipment and routers.
2. Industrial Automation: Supporting control systems and sensors.
3. Consumer Electronics: Used in devices like tablets and smartphones for battery management.
4. Automotive: Powering infotainment and dashboard systems.
5. Medical Devices: Providing reliable power for diagnostic and monitoring equipment.
Its features, such as high efficiency and adjustable output voltages, make it suitable for diverse applications needing stable power supply solutions.

Package

The LM26420XSQ is packaged in a 40-pin HTQFP (Thin Quad Flat Package) with a pitch of 0.5 mm. This package type is designed for efficient thermal performance and is suitable for surface mounting on PCBs.

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