TPS51211DSCR

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TPS51211DSCR

IC REG CTRLR NOTEBK 1OUT 10WSON

  • Fabricant
  • Mfr. Partie #TPS51211DSCR
  • Paquet WSON (DSC)-10
  • Fiche de données
  • En stock4240

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Spécifications

Package Tape & Reel (TR),Cut Tape (CT),Bulk
Series D-CAP™
ProductStatus Active
Applications Controller, Notebook Power System
Voltage-Input 3V ~ 28V
NumberofOutputs 1
Voltage-Output 0.7V ~ 2.6V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 10-WFDFN Exposed Pad

Vue d'ensemble

Description

The TPS51211DSCR is a synchronous buck controller from Texas Instruments, designed for efficient step-down voltage conversion in power management applications. It is part of the TPS5121x series and is commonly used in systems requiring high-density power solutions, such as computing and consumer electronics.
Key features of the TPS51211DSCR include its wide input voltage range, allowing it to be used in various applications. It supports adjustable output voltages, providing flexibility in design. The device is equipped with features like voltage mode control, which enhances load transient response, and fixed-frequency operation, which helps in minimizing output ripple.
The controller also integrates essential protection features, such as overcurrent protection (OCP) and undervoltage protection (UVP), ensuring reliable operation. Its small package size facilitates compact PCB designs, making it suitable for space-constrained environments.
Overall, the TPS51211DSCR is a versatile and efficient solution for applications needing precise voltage regulation and robust performance.

Features

The TPS51211DSCR is a highly efficient synchronous buck controller from Texas Instruments. It is designed for applications requiring compact size and high performance, such as computing and networking equipment. Key features include:
1. Wide Input Voltage Range: Supports 3 V to 28 V, accommodating a variety of power sources.
2. Adjustable Output Voltage: Offers flexibility with an adjustable output down to 0.7 V.
3. High Efficiency: Achieves high efficiency across a wide load range due to its synchronous rectification and low RDS(on) MOSFETs.
4. High Switching Frequency: Operates at adjustable frequencies from 200 kHz to 1 MHz, allowing for smaller inductor and capacitor sizes.
5. Integrated MOSFET Drivers: Includes high-side and low-side MOSFET drivers, reducing the need for additional components.
6. Power Good Output: Features a power good signal to indicate correct output voltage regulation.
7. Protection Features: Incorporates overcurrent protection, overvoltage protection, undervoltage lockout, and thermal shutdown for enhanced reliability.
8. Compact Package: Available in a small VSON package, it supports space-constrained designs.
This combination of features makes the TPS51211DSCR suitable for a wide range of DC-DC conversion applications requiring high efficiency and compact design.

Package

The TPS51211DSCR is a DC-DC buck controller from Texas Instruments. It comes in a small-outline package type known as SON (Small Outline No-lead), specifically in a 10-pin SON package. This design allows for efficient thermal performance and compact integration in power management applications.

Pinout

The TPS51211DSCR is a power management integrated circuit (PMIC) from Texas Instruments, designed primarily for use in DDR memory, graphics card, or other low-voltage applications. It typically comes in a 10-pin SON (Small Outline No-lead) package.
Here is a brief overview of its pin functions:
1. VDD: Input for the controller’s power supply.
2. EN: Enable pin to turn the device on or off.
3. LGATE: Output to drive the low-side MOSFET gate.
4. PH: Phase node connection, used for the bootstrap circuit.
5. UGATE: Output to drive the high-side MOSFET gate.
6. BOOT: Bootstrap capacitor connection for the high-side gate driver.
7. FB: Feedback input from the output voltage.
8. GND: Ground pin for the device.
9. VREF: Reference voltage output.
10. PGOOD: Power-Good indicator, outputs a signal to indicate proper operation.
These functions enable the TPS51211DSCR to efficiently manage power supply in various electronic applications, ensuring stability and performance. For detailed specifications and applications, refer to the official datasheet from Texas Instruments.

Manufacturer

The TPS51211DSCR is manufactured by Texas Instruments. Texas Instruments is a global technology company that designs and manufactures semiconductors and various integrated circuits, which are used in electronics ranging from consumer devices to industrial equipment. They are known for their innovative and reliable products in the analog and embedded processing sectors.

Application

The TPS51211DSCR is a dual-synchronous buck controller designed for power management applications in computing and communication systems. It is commonly used in motherboards, servers, and networking equipment to manage the power supply for processors and other critical components. The device is valued for its high efficiency, integrated MOSFET drivers, and ability to support low output voltages, making it suitable for use in modern electronics requiring precise power regulation and distribution.

Equivalent

The TPS51211DSCR is a synchronous buck controller from Texas Instruments, typically used for DDR memory power applications. Equivalent products might include:
1. ON Semiconductor NCP51200: A similar DDR memory power controller.
2. Richtek RT9173: Another controller for DDR memory applications.
3. Maxim Integrated MAX1540: A versatile DDR power solution.
It's important to compare the specific requirements and features needed for your application when selecting an equivalent.

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