TPS51220ARSNR

3-V to 28-V, synchronous peak current mode buck controller for notebook power in RSN/RTV package 32-QFN -40 to 85
7,779 有效庫存

TPS51220ARSNR

有效庫存7,779

3-V to 28-V, synchronous peak current mode buck controller for notebook power in RSN/RTV package 32-QFN -40 to 85

  • 製造商零件號 # : TPS51220ARSNR

  • 包裝/封裝: QFN-32

  • 製造商: Texas Instruments

  • 產品分類 : Special Purpose Regulators

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TPS51220ARSNR 數據表

價格 (USD)

數量 單價 總價
1 $660.877 $660.88
200 $255.752 $51,150.40
500 $246.763 $123,381.50
1000 $242.322 $242,322.00

這些價格會受到市場波動的影響，需要提交報價才能取得最新價格。

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請提交詢價 TPS51220ARSNR 或發送電子郵件給我們： Email: [email protected], 我們將在 12 小時內與您聯繫。

詳細說明

Offering high performance and efficiency, the TPS51220A dual synchronous buck regulator controller with two LDOs is designed to meet the power supply needs of 2-cell to 4-cell notebook systems. Its support for a wide input voltage range of 4.5 V to 32 V and output voltage range of 1 V to 12 V enables cost-effective and flexible solutions for various applications. With the option to select between peak current mode and D-CAP mode, designers can tailor the TPS51220A's operation to achieve stability and fast transient response as required. Moreover, its adjustable fixed frequency, synchronization capability, and interleaving ratio provide further customization for specific system requirements. Housed in a 32-pin 5×5/4×4 QFN package, this controller is built to withstand harsh operating conditions, with a specified temperature range from –40°C to 85°C, ensuring reliable performance in demanding environments

主要特徵

  • This device provides adjustable output voltage capabilities.
  • It is suitable for applications that require high efficiency and low noise operation.
  • The TPS51220ARSNR offers small size footprint with its 3mm x 3mm QFN package.

應用

  • Advanced power management
  • Compact and efficient
  • Ideal for portable devices

規格

以下是所選零件的基本參數，涉及零件的特性及其所屬類別。

Pbfree Code Yes Rohs Code Yes
Part Life Cycle Code Active Part Package Code QFN
Pin Count ! 32 Reach Compliance Code compliant
ECCN Code EAR99 HTS Code ! 8542.39.00.01
Additional Feature ! ALSO AVAILABLE 5.03V OUTPUT; ALSO OPERATES IN ADJUSTABLE MODE FROM 1 TO 12V Analog IC - Other Type DUAL SWITCHING CONTROLLER
Control Mode CURRENT-MODE Control Technique PULSE WIDTH MODULATION
Input Voltage-Max 32 V Input Voltage-Min 4.5 V
Input Voltage-Nom 12 V JESD-30 Code S-PQCC-N32
JESD-609 Code e4 Length 4 mm
Moisture Sensitivity Level 2 Number of Functions 1
Number of Outputs 2 Number of Terminals 32
Operating Temperature-Max 85 °C Operating Temperature-Min -40 °C
Output Current-Max 20 A Output Voltage-Max 12 V
Output Voltage-Min 1 V Output Voltage-Nom 3.3 V
Package Body Material PLASTIC/EPOXY Package Code HVQCCN
Package Shape SQUARE Package Style CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel) 260 Qualification Status ! Not Qualified
Seated Height-Max 0.8 mm Surface Mount ! YES
Switcher Configuration PHASE-SHIFT Switching Frequency-Max 1000 kHz
Temperature Grade ! INDUSTRIAL Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form ! NO LEAD Terminal Pitch ! 0.4 mm
Terminal Position QUAD Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Width 4 mm

數據表 PDF

數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。

初步規格 TPS51220ARSNR PDF 下載

常見問題解答

What is TPS51220ARSNR?

The TPS51220ARSNR is a synchronous step-down DC-DC converter designed by Texas Instruments. It is optimized for powering high-performance digital cores in various applications such as notebooks, desktop computers, servers, and telecommunication equipment.

How Does TPS51220ARSNR Work?

The TPS51220ARSNR operates by efficiently converting a higher input voltage to a lower output voltage in a synchronous buck topology. It regulates the output voltage with high efficiency and accuracy, while also providing features like overcurrent protection and thermal shutdown for reliable operation.

How Many Pins does TPS51220ARSNR have and What are the Functions of the Pinout Configuration?

The TPS51220ARSNR is housed in a 20-pin VQFN (Very Thin Quad Flat No-Lead) package. The pinout configuration includes:

  • VIN: Input voltage supply pin.
  • VOUT: Output voltage pin.
  • BOOT: Bootstrap voltage supply pin.
  • PH, PL: High-side and low-side MOSFET driver outputs.
  • COMP, FB: Compensation and feedback pins for loop stability adjustment.
  • EN, PGOOD: Enable input and power good output pins.
  • SS/TRACK, AGND: Soft-start/Tracking and analog ground pins.
  • PGND, BST: Power and bootstrap ground pins.

What are the Pros and Cons of TPS51220ARSNR?

Pros:

  • High Efficiency: Provides efficient power conversion for reduced energy consumption.
  • Compact Size: Comes in a small VQFN package, suitable for space-constrained designs.
  • Overcurrent Protection: Includes overcurrent protection for added circuit safety.
  • Wide Input Voltage Range: Supports a wide input voltage range for versatile applications.
  • Thermal Shutdown: Features thermal shutdown functionality to prevent overheating.

Cons:

  • Complexity: May require careful PCB layout and design considerations for optimal performance.
  • External Components: Additional external components like inductors and capacitors may be needed for operation.
  • Cost: Higher performance and features may result in a higher price point compared to simpler converters.

Are There Any Equivalents/Alternatives to TPS51220ARSNR for Recommendation?

  • The TPS51604 from Texas Instruments is a similar synchronous buck converter with different specifications.
  • Alternatives to the TPS51220ARSNR include the ISL85415 from Renesas Electronics and the MP24943 from Monolithic Power Systems.

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