LM51561HPWPR

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LM51561HPWPR

2.2 MHZ WIDE INPUT NONSYNCHRONOU

  • Fabricante
  • Mfr. Parte #LM51561HPWPR
  • Paquete HTSSOP (PWP)-14
  • Hoja de datos
  • En stock3033

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Especificaciones

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

Descripción general

Description

The LM51561HPWPR is a high-performance, wide input range, DC-DC boost controller from Texas Instruments. It is designed to efficiently step up voltage in various applications such as automotive, industrial, and consumer electronics. The device supports both non-synchronous and synchronous boost configurations, offering flexibility in design. The LM51561HPWPR operates with a wide input voltage range, typically from 3.5V to 60V, making it suitable for use in systems with fluctuating or high-voltage input sources.
Key features include programmable switching frequency, adjustable soft-start, and internal compensation, which simplify the design process and enhance performance. It also provides robust protection features, such as undervoltage lockout (UVLO), overvoltage protection (OVP), and thermal shutdown, ensuring reliable operation under various conditions. The controller is available in a thermally enhanced PowerPAD™ package, which aids in heat dissipation.
Overall, the LM51561HPWPR is a versatile and efficient solution for applications requiring voltage boosting, providing designers with the tools needed to optimize power management in their systems.

Features

The LM51561HPWPR is a high-performance, wide-input voltage range synchronous boost controller from Texas Instruments. Key features include:
1. Wide Input Voltage Range: Operates from 3.5V to 42V, making it suitable for various automotive and industrial applications.
2. High-Performance Synchronous Boost Controller: Provides efficient power conversion with synchronous rectification.
3. Integrated Gate Drivers: Features robust integrated gate drivers capable of driving external N-channel MOSFETs for both high-side and low-side switches.
4. Adjustable Frequency: Supports programmable switching frequency up to 2.2 MHz, allowing design flexibility.
5. Low Shutdown Current: Offers low quiescent current in shutdown mode, enhancing energy efficiency.
6. Protection Features: Includes built-in protection features such as cycle-by-cycle current limit, thermal shutdown, and undervoltage lockout.
7. Soft Start: Programmable soft-start feature to control inrush current during startup.
8. Synchronization Capability: Allows synchronization to an external clock for multi-phase operation or frequency management.
9. Package Options: Available in a compact 14-pin PowerPAD™ HTSSOP package for efficient thermal management.
These features make the LM51561HPWPR suitable for applications requiring efficient boost conversion in constrained spaces with a focus on reliability and performance.

Package

The LM51561HPWPR is a DC-DC boost converter from Texas Instruments. It comes in a PowerPAD TSSOP (Thermally Enhanced Thin Shrink Small Outline Package) with 14 pins, identified as "PWPR." This package type is designed for efficient thermal management and compact space usage.

Pinout

The LM51561HPWPR is a high-performance boost controller from Texas Instruments. It comes in a 14-pin HTSSOP package. The main functions of the LM51561HPWPR include:
1. VCC: Provides biasing for the internal circuitry.
2. FB (Feedback): Used for voltage regulation by providing a feedback path.
3. COMP (Compensation): Connects to the compensation network for loop stability.
4. RT (Timing Resistor): Sets the switching frequency.
5. EN (Enable): Used to enable or disable the device.
6. UVLO/SYNC (Undervoltage Lockout/Synchronization): Configures the undervoltage lockout threshold and also allows synchronization with external clocks.
7. AGND (Analog Ground): Serves as a ground reference for analog signals.
8. SW (Switch): Connects to the switch node.
9. ISNS (Current Sense): Used for current sensing.
10. HO (High-Side Driver Output): Drives the external switch.
11. PGOOD (Power Good): Provides a power-good signal.
12. SS/TR (Soft Start/Tracking): Controls the soft start and tracking functions.
13. PGND (Power Ground): Ground reference for power signals.
14. VIN (Input Voltage): Connects to the input supply voltage.
These pins and their functions allow the LM51561HPWPR to efficiently control boost converter operations.

Manufacturer

The LM51561HPWPR is manufactured by Texas Instruments. Texas Instruments is a global semiconductor company known for designing and manufacturing analog and embedded processing chips. They serve a variety of industries including automotive, industrial, personal electronics, and communications. The company is headquartered in Dallas, Texas, and is recognized for its innovation and extensive product portfolio that supports engineers and designers in creating a wide range of electronic products.

Application

The LM51561HPWPR is a DC-DC boost controller designed for various applications, including automotive power systems, industrial power supplies, and telecommunications infrastructure. Its high-efficiency performance makes it suitable for battery-powered systems, backlighting, and LED drivers. Additionally, it can be utilized in renewable energy systems, such as solar inverters, and in applications requiring voltage step-up conversion, such as in portable electronics and smart meters.

Equivalent

The LM51561HPWPR is a synchronous boost controller from Texas Instruments. Equivalent products might include the LT3757 from Analog Devices, the MAX1771 from Maxim Integrated, and the TPS61088 from Texas Instruments itself, depending on specific application requirements such as voltage and current ratings. Always verify the specifications and compatibility of alternatives to ensure they meet the necessary criteria for your application.

Envío

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Referencia de tarifas de envío (DHL/FedEx):

DHL: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 2-5 días hábiles.

FedEx: El costo de envío oscila entre $25-$40 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

UPS: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

TNT: El costo de envío oscila entre $25-$65 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

EMS: El costo de envío oscila entre $30-$50 (0.5kg), con un plazo de entrega estimado de 7-15 días hábiles.

Correo aéreo registrado: El costo de envío es de $2-$4 (0.1kg), con un tiempo de entrega estimado de 5-20 días hábiles.

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