SLUSDJ0A November   2018  – December 2018 TPS546D24

PRODUCTION DATA.  

  1. 1Features
  2. 2Applications
  3. 3Description
    1.     Device Images
      1.      Simplified Application
  4. 4Revision History
  5. 5Pin Configuration and Functions
    1.     Pin Functions
  6. 6Device and Documentation Support
    1. 6.1 Device Support
      1. 6.1.1 Third-Party Products Disclaimer
      2. 6.1.2 Development Support
        1. 6.1.2.1 Custom Design With WEBENCH® Tools
        2. 6.1.2.2 Texas Instruments Fusion Digital Power Designer
    2. 6.2 Receiving Notification of Documentation Updates
    3. 6.3 Community Resources
    4. 6.4 Trademarks
    5. 6.5 Electrostatic Discharge Caution
    6. 6.6 Glossary
  7. 7Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

3 Description

The TPS546D24 is a highly integrated, non-isolated DC/DC converter capable of high frequency operation and 40-A current output from a 7-mm × 5-mm package. Two, three, and four TPS546D24 devices can be interconnected to provide up to 160 A on a single output. The device has an option to overdrive the internal 5-V LDO with an external 5-V supply via the VDD5 pin to improve efficiency and reduce power dissipation of the converter.

The TPS546D24 uses a proprietary fixed-frequency current-mode control with input feedforward and selectable internal compensation components for minimal size and stability over a wide range of output capacitances.

The PMBus interface with 1-MHz clock support gives a convenient, standardized digital interface for converter configuration as well as monitoring of key parameters including output voltage, output current, and internal die temperature. Response to fault conditions can be set to restart, latch off, or ignore, depending on system requirements. Back-channel communication between stacked devices enables all TPS546D24 converters powering a single output rail to share a single address to simplify system software/firmware design. Key parameters including output voltage, switching frequency, soft-start time, and overcurrent fault limits can also be configured through BOM selection without PMBus communication to support program free power-up.

Device Information(1)

PART NUMBER PACKAGE BODY SIZE (NOM)
TPS546D24 LQFN-CLIP (40) 7.00 mm × 5.00 mm
  1. For all available packages, see the orderable addendum at the end of the data sheet.

.

.