LM51561HPWPR

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LM51561HPWPR

+БОМ

2.2 MHZ WIDE INPUT NONSYNCHRONOU

  • ПроизводительТехасские инструменты

  • Мфр. Часть #LM51561HPWPR

  • Пакет HTSSOP-14

  • В наличии4237

365 Дни гарантии качества

7*24 часы обслуживания каранти

90-гарантия послепродажного дня

Гарантия подлинного продукта

Спецификации

Атрибут Ценность
Package Tape & Reel (TR),Cut Tape (CT)
Series Automotive, AEC-Q100
ProductStatus Active
OutputType Transistor Driver
Function Step-Up, Step-Up/Step-Down
OutputConfiguration Positive
Topology Boost, Flyback, SEPIC
NumberofOutputs 1
OutputPhases 1
Voltage-Supply(Vcc/Vdd) 2.97V ~ 60V
Frequency-Switching 100kHz ~ 2.2MHz
DutyCycle(Max) 93%
SynchronousRectifier No
ClockSync No
ControlFeatures Current Limit, Enable, Frequency Control, Power Good, Soft Start
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 14-TSSOP (0.173, 4.40mm Width) Exposed Pad

Обзор

Description

The LM51561HPWPR is a highly efficient, synchronous boost controller from Texas Instruments. Designed for industrial and automotive applications, it is part of the LM5156x family and is notable for its wide input voltage range, typically from 3 V to 45 V, making it versatile for various power supply designs. The controller supports both current-mode and voltage-mode operation, providing flexibility in design requirements.
Key features include programmable switching frequency up to 2.2 MHz, allowing designers to optimize efficiency or reduce the size of external components. It also includes an internal compensation network, which simplifies the design process. The device boasts high efficiency and low standby current, enhancing overall energy saving.
The LM51561HPWPR integrates protection features such as cycle-by-cycle current limit, thermal shutdown, and input undervoltage lockout, ensuring reliable operation under varying conditions. It is suitable for applications like battery-powered systems, automotive in-dash systems, and industrial power supplies. The device comes in a thermally-enhanced PowerPAD™ package, which aids in effective heat dissipation.

Equivalent

The LM51561HPWPR is a synchronous boost controller from Texas Instruments. Equivalent products from other manufacturers could include the LT8362 from Analog Devices, the MAX16990 from Maxim Integrated, and the ISL81520 from Renesas Electronics. When selecting an equivalent, ensure that specifications such as input voltage range, output voltage, switching frequency, and current capacity match your design requirements. Always refer to the datasheets for detailed comparisons.

Features

The LM51561HPWPR is a highly versatile and efficient DC-DC boost controller from Texas Instruments. It features a wide input voltage range, typically supporting up to 42V, making it suitable for various power applications. The device is designed for high-performance applications and supports both single-ended and interleaved boost configurations to enhance flexibility and efficiency.
Key features include:
1. Wide Input Voltage Range: Supports a broad range of input voltages for diverse applications.
2. High Efficiency: Optimized for efficiency across a wide load range.
3. Configurable Switching Frequency: Allows customization of the switching frequency to balance efficiency and component size.
4. Flexible Topologies: Supports single-ended and interleaved boost configurations.
5. Advanced Protections: Includes built-in protections such as over-voltage, under-voltage lockout, and thermal shutdown.
6. Slew Rate Control: Offers adjustable switching slew rates to manage electromagnetic interference (EMI).
These features make the LM51561HPWPR suitable for automotive, industrial, and telecom applications, where robust performance and reliability are crucial.

Pinout

The LM51561HPWPR is a high-performance boost controller, typically used in power supply applications. This device is available in a 16-pin TSSOP (PW) package with the following key pins and their functions:
1. VIN: Input voltage supply pin.
2. EN: Enable pin, used to enable or disable the device.
3. UVLO: Undervoltage lockout pin, for setting the input voltage threshold.
4. RT/SYNC: Sets the switching frequency or synchronizes with an external clock.
5. FB: Feedback pin for output voltage regulation.
6. COMP: Compensation network pin for stability.
7. SS/TR: Soft-start or tracking pin.
8. AGND: Analog ground.
9. SW: Switch node connection.
10. PGND: Power ground connection.
11. BOOT: Bootstrap capacitor pin for high-side driver.
12. VCC: Internal bias voltage output.
13. CS: Current sense input for current mode control and overcurrent protection.
14. HO: High-side gate driver output.
15. LO: Low-side gate driver output.
16. RES: Optional resistor connection for additional functions.
The LM51561HPWPR is designed to efficiently convert lower voltage levels to higher levels, providing flexibility in various electronic applications.

Manufacturer

The LM51561HPWPR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide array of analog and embedded processing chips. Headquartered in Dallas, Texas, TI is one of the largest semiconductor companies in the world and is known for its innovations in technology and electronics. The company serves various industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. TI focuses on developing and producing components that facilitate power management, data conversion, signal processing, and wireless connectivity, among other functions.

Application

The LM51561HPWPR is a synchronous boost controller typically used in applications requiring efficient power conversion. Key application areas include:
1. Automotive Systems: Provides power conversion for automotive electronics, supporting battery management and infotainment systems.
2. Industrial Power Supplies: Used in industrial automation and control systems for reliable power delivery.
3. Telecommunications: Supports infrastructure by providing stable voltage levels for communication equipment.
4. Consumer Electronics: Powers devices requiring efficient DC-DC conversion, such as portable electronics.
5. LED Lighting: Drives high-power LEDs with efficient voltage regulation.
6. Energy Storage Systems: Manages power conversion in battery charging and backup systems.
These applications benefit from the device's high efficiency, wide input voltage range, and robust performance.

Package

The LM51561HPWPR is a DC-DC converter from Texas Instruments, and it comes in a HTSSOP (Thermally Enhanced Thin Shrink Small Outline Package) with 16 pins. The suffix "PWPR" typically indicates a specific variant within this package type, such as tape and reel packaging for automated assembly.

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