TPS40180 is not recommended for new designs.
This product continues to be in production to support existing customers. Please consider one of these alternatives:
Similar functionality to the compared device.
TPS40322 ACTIVE Dual Output or Two-phase Synchronous Buck Controller This product has an increased feature set and wider operating range.

Product details

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  • Stackable to 8 Phases, Multiple Controllers Can Occupy Any Phase
  • 2-V to 40-V Power Stage Operation Range
  • eTrim™ in System Reference Voltage Trim to Tighten Overall Output Voltage Tolerance, Reference is Better Than 0.75% Untrimmed
  • VDD From 4.5 V to 15 V, With Internal 5-V Regulator
  • Supports Output Voltage From 0.7 V to 5.8 V
  • Supports Prebiased Outputs
  • 10-µA Shutdown Current
  • Programmable Switching Frequency up to 1-MHz per Phase
  • Current Feedback Control With Forced Current Sharing (Patents Pending)
  • Resistive Divider Sets Input Undervoltage Lockout and Hysteresis
  • True Remote Sensing Differential Amplifier
  • Resistive or Inductor’s DCR Current Sensing
  • Stackable to 8 Phases, Multiple Controllers Can Occupy Any Phase
  • 2-V to 40-V Power Stage Operation Range
  • eTrim™ in System Reference Voltage Trim to Tighten Overall Output Voltage Tolerance, Reference is Better Than 0.75% Untrimmed
  • VDD From 4.5 V to 15 V, With Internal 5-V Regulator
  • Supports Output Voltage From 0.7 V to 5.8 V
  • Supports Prebiased Outputs
  • 10-µA Shutdown Current
  • Programmable Switching Frequency up to 1-MHz per Phase
  • Current Feedback Control With Forced Current Sharing (Patents Pending)
  • Resistive Divider Sets Input Undervoltage Lockout and Hysteresis
  • True Remote Sensing Differential Amplifier
  • Resistive or Inductor’s DCR Current Sensing

The TPS40180 is a stackable single-phase synchronous buck controller. Stacking allows a modular power supply design where multiple modules can be connected in parallel to achieve higher power capability. Stacked modules can be configured at the same switching frequency with interleaved phase shift to reduce input and output ripple current. Stacked modules can also be configured to generate separate output rails at the same time as different phase shift to reduce input ripple current.

The TPS40180 is optimized for low-output voltage (from 0.7-V to 5.8-V), high-output current applications powered from a 2-V to 40-V supply.

With eTrim™, the TPS40180 gives the user the capability to trim the reference voltage on the device to compensate for external component tolerances, tightening the overall system accuracy and allowing tighter specifications for output voltage of the converter.

The TPS40180 is a stackable single-phase synchronous buck controller. Stacking allows a modular power supply design where multiple modules can be connected in parallel to achieve higher power capability. Stacked modules can be configured at the same switching frequency with interleaved phase shift to reduce input and output ripple current. Stacked modules can also be configured to generate separate output rails at the same time as different phase shift to reduce input ripple current.

The TPS40180 is optimized for low-output voltage (from 0.7-V to 5.8-V), high-output current applications powered from a 2-V to 40-V supply.

With eTrim™, the TPS40180 gives the user the capability to trim the reference voltage on the device to compensate for external component tolerances, tightening the overall system accuracy and allowing tighter specifications for output voltage of the converter.

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Technical documentation

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Type Title Date
* Data sheet TPS40180 Single Phase Stackable Controller datasheet (Rev. C) 30 Nov 2016
Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018
Technical article Power Tips - DDR memory is everywhere! 01 Mar 2014
Technical article Power Tips: When to choose multiphase 31 Oct 2013
More literature TPS40180RGE Test Report 15 Feb 2008
User guide Using the TPS40180EVM A 20A Stackable Single Phase Synchronous Buck Converter 08 May 2007

Design & development

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Simulation model

TPS40180 PSpice Transient Model

SLIM014.ZIP (97 KB) - PSpice Model
Simulation model

TPS40180 TINA-TI Transient Spice Model

SLVM124.ZIP (144 KB) - TINA-TI Spice Model
Simulation model

TPS40180 TINA-TI Transient Reference Design

SLVM125.TSC (543 KB) - TINA-TI Reference Design
Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Schematic

TPS40180RGE Schematic

SLUR010.PDF (129 KB)
Bill of materials (BOM)

TPS40180RGE Bill of Materials

SLUR009.PDF (27 KB)
Package Pins Download
VQFN (RGE) 24 View options

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