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TPS82084

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2-A, High-efficiency step-down converter module with integrated inductor

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Data sheet

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TPSM82822 ACTIVE 5.5-V input, 2-A step-down module with integrated inductor in 2 x 2.5 x 1.1-mm μSIP package Smaller BOM size module alternative.

TPS82084

ACTIVE
Data sheet Order now

Product details

Rating Catalog Topology Buck, Synchronous Buck Iout (max) (A) 2 Vin (max) (V) 6 Vin (min) (V) 2.5 Vout (max) (V) 6 Vout (min) (V) 0.8 Features EMI Tested, Enable, Light Load Efficiency, Output discharge, Power good Operating temperature range (°C) -40 to 125 Type Module Duty cycle (max) (%) 100 Control mode Constant on-time (COT), DCS-Control Switching frequency (min) (kHz) 2000 Switching frequency (max) (kHz) 2600
Rating Catalog Topology Buck, Synchronous Buck Iout (max) (A) 2 Vin (max) (V) 6 Vin (min) (V) 2.5 Vout (max) (V) 6 Vout (min) (V) 0.8 Features EMI Tested, Enable, Light Load Efficiency, Output discharge, Power good Operating temperature range (°C) -40 to 125 Type Module Duty cycle (max) (%) 100 Control mode Constant on-time (COT), DCS-Control Switching frequency (min) (kHz) 2000 Switching frequency (max) (kHz) 2600
USIP (SIL) 8 See data sheet
  • Low Profile MicroSiP™ Power Module
  • DCS-control topology
  • Up to 95% efficiency
  • 17-µA operating quiescent current
  • -40°C to 125°C operating temperature range
  • Hiccup short circuit protection
  • 2.5-V to 6-V input voltage range
  • 0.8-V to VIN adjustable output voltage
  • Power save mode for light load efficiency
  • 100% duty cycle for lowest dropout
  • Output discharge function
  • Power good output
  • Integrated soft startup, and support pre-biased startup
  • Over temperature protection
  • CISPR11 class B compliant
  • 2.8-mm x 3.0-mm x 1.3-mm 8-Pin µSiL package
  • Low Profile MicroSiP™ Power Module
  • DCS-control topology
  • Up to 95% efficiency
  • 17-µA operating quiescent current
  • -40°C to 125°C operating temperature range
  • Hiccup short circuit protection
  • 2.5-V to 6-V input voltage range
  • 0.8-V to VIN adjustable output voltage
  • Power save mode for light load efficiency
  • 100% duty cycle for lowest dropout
  • Output discharge function
  • Power good output
  • Integrated soft startup, and support pre-biased startup
  • Over temperature protection
  • CISPR11 class B compliant
  • 2.8-mm x 3.0-mm x 1.3-mm 8-Pin µSiL package

The TPS82084/5 are 2-A/3-A step-down converter MicroSiP™ modules optimized for small solution size and high efficiency. The power module integrates a synchronous step-down converter and an inductor to simplify design, reduce external components and save PCB area. The low profile and compact solution is suitable for automated assembly by standard surface mount equipment.

To maximize efficiency, the converter operates in PWM mode with a nominal switching frequency of 2.4MHz and automatically enters Power Save Mode operation at light load currents. In Power Save Mode, the device operates with typically 17-µA quiescent current. Using the DCS-Control topology, the device achieves excellent load transient performance and accurate output voltage regulation. The EN and PG pins, which support sequencing configurations, bring a flexible system design. An integrated soft startup reduces the inrush current required from the input supply. Over temperature protection and Hiccup short circuit protection deliver a robust and reliable solution.

The TPS82084/5 are 2-A/3-A step-down converter MicroSiP™ modules optimized for small solution size and high efficiency. The power module integrates a synchronous step-down converter and an inductor to simplify design, reduce external components and save PCB area. The low profile and compact solution is suitable for automated assembly by standard surface mount equipment.

To maximize efficiency, the converter operates in PWM mode with a nominal switching frequency of 2.4MHz and automatically enters Power Save Mode operation at light load currents. In Power Save Mode, the device operates with typically 17-µA quiescent current. Using the DCS-Control topology, the device achieves excellent load transient performance and accurate output voltage regulation. The EN and PG pins, which support sequencing configurations, bring a flexible system design. An integrated soft startup reduces the inrush current required from the input supply. Over temperature protection and Hiccup short circuit protection deliver a robust and reliable solution.
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Technical documentation

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Top documentation Type Title Format options Date
* Data sheet TPS82084 (2-A) / TPS82085 (3-A) High Efficiency Step-Down Converter MicroSiP Modules with Integrated Inductor datasheet (Rev. D) PDF | HTML Jun 4, 2019
Application note Quick Reference Guide To TI Buck Switching DC/DC Application Notes (Rev. B) PDF | HTML May 23, 2022
Selection guide Innovative DC/DC Power Modules Selection Guide (Rev. D) Oct 14, 2021
User guide Manufacturing and Rework Design Guide for MicroSiP™ Power Modules (Rev. A) PDF | HTML Jun 16, 2021
White paper Enabling Higher Data Rates for Optical Modules With Small and Efficient Power PDF | HTML Mar 22, 2021
Analog design Journal Methods of output-voltage adjustment for DC/DC converters Jun 14, 2019
Analog design Journal Understanding 100% mode in low-power DC/DC converters Jun 22, 2018
Application note An Efficient LDO-less Power Supply Solution for AFE76xx Nov 13, 2017
White paper Benefits and trade-offs of various power-module package options Aug 2, 2017
Analog design Journal Improving the thermal performance of a MicroSiP(TM) power module Jul 24, 2017
Application note Extending the Soft Start Time Without a Soft Start Pin (Rev. B) Jun 15, 2017
Analog design Journal Testing tips for applying external power to supply outputs without an input voltage Oct 24, 2016
Analog design Journal Adjusting the soft-start time of an integrated power module Apr 26, 2016
White paper SiP Power Modules White Paper Jan 26, 2016
Analog design Journal Understanding frequency variation in the DCS-Control(TM) topology Oct 30, 2015
Analog design Journal High-efficiency, low-ripple DCS-Control offers seamless PWM/pwr-save transitions Jul 25, 2013
Application note Choosing an Appropriate Pull-up/Pull-down Resistor for Open Drain Outputs Sep 19, 2011
Analog design Journal IQ: What it is, what it isn’t, and how to use it Jun 17, 2011

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

TPS82084EVM-672 — 2-A Step Down Converter with Integrated Inductor Evaluation Module

The TPS82084EVM-672 is designed to help the user easily evaluate and test the operation and functionality of the TPS82084. The EVM converts up to a 6-V input voltage to a 1.2-V regulated output voltage at up to 2A of output current. The TPS82084 includes the IC and inductor to achieve a total (...)

User guide: PDF
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Simulation model

TPS82084 PSpice Unencrypted Transient Model (Rev. A)

SLVMB39A.ZIP (104 KB) - PSpice model
Supported products & hardware
Calculation tool

SLVC780 — Design Tool for Output Voltage Adjustment Using a DAC

Calculator tool to adjust the power supply's output voltage with an analog input voltage
Supported products & hardware
Reference design

TIDA-010011 — High efficiency power supply architecture reference design for protection relay processor module

This reference design showcases various power architectures for generating multiple voltage rails for an application processor module, requiring >1A load current and high efficiency . The required power supply is generated using 5-, 12- or 24-V DC input from the backplane. Power supplies are (...)
Supported products & hardware
Reference design

TIDA-01051 — Reference Design Optimizing FPGA Utilization and Data Throughput for Automatic Test Equipment

The TIDA-01051 reference design is used to demonstrate optimized channel density, integration, power consumption, clock distribution and signal chain performance of very high channel count data acquisition (DAQ) systems such as those used in automatic test equipment (ATE). Using serializers, such (...)
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