TPS54622RHLR
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Texas Instruments TPS54622RHLR

Manufacturer No:
TPS54622RHLR
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC REG BUCK ADJUSTABLE 6A 14VQFN
Delivery:
Payment:
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Product Introduction

Overview

The TPS54622RHLR is a synchronous buck converter IC designed by Texas Instruments for high-efficiency voltage regulation applications in power management systems. This device is optimized for small form factor designs, offering high efficiency and integrating both high-side and low-side MOSFETs. The TPS54622RHLR is packaged in a thermally enhanced 3.5-mm × 3.5-mm VQFN package, which helps in reducing the overall footprint of the power supply design.

The device supports a wide input voltage range of 4.5 V to 17 V and can deliver up to 6 A of output current. It features a constant frequency, peak current mode control, which simplifies external frequency compensation and enhances performance during line and load transients. The switching frequency can be adjusted from 200 kHz to 1.6 MHz, allowing for optimization of efficiency and component size.

Key Specifications

Parameter Minimum Typical Maximum Unit
Input Voltage (VIN and PVIN) 4.5 - 17 V
Output Voltage Range 0.6 - 15 V
Output Current - - 6 A
Switching Frequency Range 200 kHz - 1.6 MHz -
High-Side Switch Current Limit 8 A 11 A 14 A -
Low-Side Switch Sourcing Current Limit 6.5 A 10 A 15 A -
Low-Side Switch Sinking Current Limit 2 A 3 A 4 A -
Thermal Shutdown Temperature 160°C 175°C - -
Operating Junction Temperature Range -40°C - 150°C -

Key Features

  • Integrated 26-mΩ and 19-mΩ MOSFETs for high efficiency and reduced component count.
  • Wide input voltage range: 4.5 V to 17 V.
  • Adjustable switching frequency: 200 kHz to 1.6 MHz.
  • Synchronization to an external clock using the RT/CLK pin.
  • Monotonic start-up into prebiased outputs.
  • Hiccup current limit and thermal hiccup protection.
  • Adjustable slow start and power sequencing.
  • Power good output monitor for undervoltage and overvoltage.
  • Adjustable input undervoltage lockout.

Applications

  • High-density distributed power systems.
  • High-performance point-of-load regulation.
  • Broadband, networking, and optical communications infrastructure.

Q & A

  1. Q: What is the input voltage range of the TPS54622RHLR?

    A: The input voltage range is from 4.5 V to 17 V.

  2. Q: What is the maximum output current of the TPS54622RHLR?

    A: The maximum output current is 6 A.

  3. Q: Can the switching frequency of the TPS54622RHLR be adjusted?

    A: Yes, the switching frequency can be adjusted from 200 kHz to 1.6 MHz.

  4. Q: Does the TPS54622RHLR support synchronization with an external clock?

    A: Yes, it supports synchronization using the RT/CLK pin.

  5. Q: What is the operating junction temperature range of the TPS54622RHLR?

    A: The operating junction temperature range is from -40°C to 150°C.

  6. Q: What kind of protection mechanisms does the TPS54622RHLR have?

    A: It includes hiccup current limit, thermal hiccup protection, and adjustable input undervoltage lockout.

  7. Q: How does the TPS54622RHLR handle start-up into prebiased outputs?

    A: It supports monotonic start-up into prebiased outputs.

  8. Q: What is the typical efficiency of the TPS54622RHLR?

    A: The TPS54622RHLR typically offers efficiency above 90% under normal operating conditions.

  9. Q: What are some common applications of the TPS54622RHLR?

    A: Common applications include high-density distributed power systems, high-performance point-of-load regulation, and broadband, networking, and optical communications infrastructure.

  10. Q: What package type is the TPS54622RHLR available in?

    A: It is available in a 14-pin VQFN package with an exposed thermal pad.

Product Attributes

Function:Step-Down
Output Configuration:Positive
Topology:Buck
Output Type:Adjustable
Number of Outputs:1
Voltage - Input (Min):4.5V
Voltage - Input (Max):17V
Voltage - Output (Min/Fixed):0.6V
Voltage - Output (Max):15V
Current - Output:6A
Frequency - Switching:200kHz ~ 1.6MHz
Synchronous Rectifier:Yes
Operating Temperature:-40°C ~ 150°C (TJ)
Mounting Type:Surface Mount
Package / Case:14-VFQFN Exposed Pad
Supplier Device Package:14-VQFN (3.5x3.5)
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Similar Products

Part Number TPS54622RHLR TPS54623RHLR TPS54622RHLT TPS54620RHLR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active Active
Function Step-Down Step-Down Step-Down Step-Down
Output Configuration Positive Positive Positive Positive
Topology Buck Buck Buck Buck
Output Type Adjustable Adjustable Adjustable Adjustable
Number of Outputs 1 1 1 1
Voltage - Input (Min) 4.5V 4.5V 4.5V 4.5V
Voltage - Input (Max) 17V 17V 17V 17V
Voltage - Output (Min/Fixed) 0.6V 0.6V 0.6V 0.8V
Voltage - Output (Max) 15V 15V 15V 15V
Current - Output 6A 6A 6A 6A
Frequency - Switching 200kHz ~ 1.6MHz 200kHz ~ 1.6MHz 200kHz ~ 1.6MHz 200kHz ~ 1.6MHz
Synchronous Rectifier Yes Yes Yes Yes
Operating Temperature -40°C ~ 150°C (TJ) -40°C ~ 150°C (TJ) -40°C ~ 150°C (TJ) -40°C ~ 150°C (TJ)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 14-VFQFN Exposed Pad 14-VFQFN Exposed Pad 14-VFQFN Exposed Pad 14-VFQFN Exposed Pad
Supplier Device Package 14-VQFN (3.5x3.5) 14-VQFN (3.5x3.5) 14-VQFN (3.5x3.5) 14-VQFN (3.5x3.5)

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