LM5176PWPT

DC/DC Cntrlr Single-OUT Step Down/Step Up 600kHz 28-Pin HTSSOP EP T/R
4,892 Effective Inventory

LM5176PWPT

Effective Inventory4,892

DC/DC Cntrlr Single-OUT Step Down/Step Up 600kHz 28-Pin HTSSOP EP T/R

Quality Assurance

Quality Assurance

All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.

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Certification

We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

Shipping & Payment

Shipping & Payment

About Shipping

We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.

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Service & Packaging

Service & Packaging

About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

Confirm the return or exchange with our staff.

Maintain the goods in their original condition as received.

Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]

About packaging

Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.

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LM5176PWPT DataSheet
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Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!

Rapid Quote

Please submit RFQ for LM5176PWPT or email to us: Email: [email protected], we will contact you in 12 hours.

Details

Featuring current-mode control in both buck and boost modes, the LM5176PWPT delivers superior load and line regulation for reliable performance. The switching frequency can be adjusted using an external resistor and synchronized with an external clock signal for precision control. Additionally, the device includes a programmable soft-start function and multiple protection features like current limiting, UVLO, OVP, and thermal shutdown to ensure safe operation in various conditions

LM5176PWPT

Key Features

  • Efficient Power Conversion
  • Low Voltage Drop-Out
  • Compact Footprint Design

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Topology Buck-Boost Vin (min) (V) 4.2
Vin (max) (V) 55 Vout (max) (V) 55
Vout (min) (V) 0.8 Duty cycle (max) (%) 100
Switching frequency (min) (kHz) 100 Switching frequency (max) (kHz) 600
Iq (typ) (mA) 2 TI functional safety category Functional Safety-Capable
Features Adjustable current limit, Enable, Frequency synchronization, Power good, Pre-Bias Start-Up, Synchronous Rectification, UVLO adjustable Operating temperature range (°C) -40 to 125
Rating Catalog Type Controller

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification LM5176PWPT PDF Download

FAQs

What is LM5176PWPT?

The LM5176PWPT is a synchronous buck controller designed by Texas Instruments. It is ideal for generating a low-voltage, high-current output from a higher voltage input, making it suitable for various power supply applications in industrial, automotive, and communications systems.

How Does LM5176PWPT Work?

The LM5176PWPT operates as a synchronous buck controller, regulating the output voltage by adjusting the duty cycle of the internal switches. It features a wide input voltage range and supports high-frequency operation, providing efficient power conversion for a wide range of applications. The controller also includes comprehensive protection features to ensure system reliability.

How Many Pins does LM5176PWPT have and What are the Functions of the Pinout Configuration?

The LM5176PWPT is housed in a 20-pin TSSOP (Thin Shrink Small Outline Package) package. The pinout configuration includes:

  • VIN: Input voltage pin.
  • SW: Switching node connection for the power stage.
  • BOOT: Bootstrap capacitor connection for the high-side gate drive.
  • COMP, FB, SS: Compensation, feedback, and soft-start control pins.
  • PGND, AGND: Power ground and analog ground pins, respectively.
  • RT/CLKOUT, SYNC: Timing and synchronization pins.
  • EN, UVLO, PGOOD, SS/TRK: Enable, undervoltage lockout, power good, and tracking pins.
  • NC: No connect pin.

What are the Pros and Cons of LM5176PWPT?

Pros:

  • Wide Input Voltage Range: Suitable for various input voltage levels.
  • High Efficiency: Supports high-frequency operation for efficient power conversion.
  • Comprehensive Protection: Includes comprehensive protection features for system reliability and robustness.
  • Flexible Control: Provides control pins for compensation, feedback, soft-start, and synchronization.
  • Compact Package: The 20-pin TSSOP package offers a good balance of size and heat dissipation.

Cons:

  • External Components: May require external components such as inductors, capacitors, and diodes for complete power supply design.
  • Complexity: Synchronous buck converters may require careful consideration of layout and component selection for optimal performance.
  • Thermal Considerations: High-power applications may require attention to thermal management for the IC and the external components.

Are There Any Equivalents/Alternatives to LM5176PWPT for Recommendation?

  • The LM5116 from Texas Instruments is a similar synchronous buck controller with some differences in features and performance.
  • Alternatives to the LM5176PWPT include the LTC3891 from Analog Devices and the TPS548B22 from Texas Instruments.

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