LM5122ZPWPR

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LM5122ZPWPR

WIDE INPUT RANGE BOOST CONTROLLE

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  • Fr. Teil #LM5122ZPWPR
  • Paket 24-HTSSOP
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Spezifikationen

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
OutputType Transistor Driver
Function Step-Up
OutputConfiguration Positive
Topology Boost
NumberofOutputs 1
OutputPhases 1
Voltage-Supply(Vcc/Vdd) 4.5V ~ 65V
Frequency-Switching Up to 1MHz
DutyCycle(Max) 100%
SynchronousRectifier Yes
ClockSync Yes
ControlFeatures Frequency Control, Soft Start
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 24-TSSOP (0.173, 4.40mm Width) Exposed Pad

Übersicht

Description

The LM5122ZPWPR is a high-performance, dual-phase, synchronous boost controller designed by Texas Instruments. It is primarily used for applications requiring efficient power conversion and high-output voltage capabilities. The controller supports wide input voltage ranges and is capable of driving dual N-channel MOSFETs, making it suitable for boosting lower voltage levels to higher voltage outputs with improved efficiency and reduced component size.
Key features of the LM5122ZPWPR include programmable switching frequency, current mode control with cycle-by-cycle current limit, and flexible power-stage configuration options. It is often utilized in automotive, industrial, and communication systems where robust and reliable power management is critical.
The device incorporates advanced protection mechanisms such as overcurrent, undervoltage lockout, and thermal shutdown, ensuring safe operation under various conditions. It also features synchronization capabilities, allowing for noise reduction and improved system performance.
Overall, the LM5122ZPWPR is valued for its ability to deliver high power efficiency, flexibility in design, and enhanced reliability, making it a versatile choice for engineers dealing with challenging power supply requirements.

Features

The LM5122ZPWPR is a synchronous boost controller designed for applications that require step-up voltage conversion. Key features include:
1. Wide Input Voltage Range: It supports input voltages from 3 V to 65 V, making it versatile for various applications.
2. High Efficiency: The synchronous rectification improves efficiency, particularly at higher loads.
3. Adjustable Output: The output voltage can be finely adjusted to meet specific needs.
4. Current Mode Control: This feature enhances loop stability and transient response.
5. Switching Frequency: It allows for adjustable switching frequency, which can be set between 50 kHz and 1 MHz, offering flexibility in design.
6. Protection Features: It includes overvoltage, overcurrent, and thermal shutdown protection to ensure reliability and safety.
7. Soft Start: The device has a programmable soft-start feature to reduce inrush current during startup.
8. Synchronization Capability: It can be synchronized with an external clock for applications requiring precise control.
9. Feedforward Compensation: Enhances response to changes in input voltage.
These features make the LM5122ZPWPR suitable for automotive, industrial, and communications applications where efficient and reliable step-up voltage conversion is required.

Package

The LM5122ZPWPR is packaged in a TSSOP (Thin Shrink Small Outline Package) with 24 pins, also known as a HTSSOP (Heat-Slug Thin Shrink Small Outline Package). It includes a power pad for enhanced thermal performance, making it suitable for power management applications.

Pinout

The LM5122ZPWPR is a 20-pin integrated circuit, specifically a synchronous boost controller designed for DC-DC conversion applications. It is intended to control N-channel MOSFETs in high-efficiency step-up (boost) configurations. The primary function of the LM5122 is to facilitate the conversion of a lower input voltage to a higher output voltage while maintaining high efficiency, which is essential for power-sensitive applications. This device is particularly used in automotive, industrial, and telecommunication power systems where efficient power conversion is critical. The LM5122 supports a wide input voltage range and provides features such as programmable switching frequency, soft-start, current limit protection, and thermal shutdown to ensure reliable operation.

Manufacturer

The LM5122ZPWPR is manufactured by Texas Instruments. Texas Instruments, commonly known as TI, is a global semiconductor company that designs and produces a wide range of electronic components and systems. Their products include analog chips, embedded processors, and various other semiconductor devices used in a multitude of industries such as automotive, industrial, personal electronics, and communications. TI is renowned for its innovation and contributions to the electronics and technology sectors.

Application

The LM5122ZPWPR is a synchronous boost controller, primarily used in applications requiring efficient power conversion from a lower voltage to a higher voltage. Key application areas include automotive power systems, where it can drive high-power LEDs or supply power to infotainment systems, industrial power supplies, and telecom infrastructure. It is also suitable for battery-powered devices needing high-efficiency voltage boosting and renewable energy systems where voltage conversion is crucial for energy storage and management.

Equivalent

The LM5122ZPWPR is a synchronous boost controller by Texas Instruments. Equivalent products include:
1. LT3757 by Analog Devices: A wide input voltage boost/inverting DC/DC controller.
2. LTC3787 by Analog Devices: A high-efficiency, synchronous boost converter controller.
3. MAX16990 by Maxim Integrated: A high-voltage, synchronous boost controller.
These alternatives offer similar features like wide input voltage range and high efficiency suitable for various power management applications. Always verify specifications to ensure compatibility with your design.

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TNT: Versandkosten reichen von $25-$65 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

EMS: Versandkosten reichen von $30-$50 (0.5kg), mit einer geschätzten Lieferzeit von 7-15 Werktagen.

Registrierte Luftpost: Versandkosten sind $ 2- $ 4 (0,1 kg), mit einer geschätzten Lieferzeit von 5-20 Werktagen.

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