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TPS62480

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6A, 2.4V-5.5V input, Synchronous step-down converter with PG Output, Adjust. Soft-start and Optional

Data sheet
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6A, 2.4V-5.5V input, Synchronous step-down converter with PG Output, Adjust. Soft-start and Optional

TPS62480

ACTIVE
Data sheet Order now

Product details

Parameters

Vin (Min) (V) 2.4 Vin (Max) (V) 5.5 Vout (Min) (V) 0.6 Vout (Max) (V) 5.5 Iout (Max) (A) 6 Iq (Typ) (uA) 23 Switching frequency (Min) (kHz) 2000 Switching frequency (Max) (kHz) 2500 Features Enable, Forced PWM, Light Load Efficiency, Output Discharge, Over Current Protection, Phase Interleaving, Power Good, Pre-Bias Start-Up, Synchronous Rectification, Tracking, UVLO Fixed, Voltage Margining, Adaptive/Dynamic Voltage Scaling Operating temperature range (C) -40 to 125 Rating Catalog Regulated outputs (#) 1 open-in-new Find other Buck converters (integrated switch)

Package | Pins | Size

VQFN-HR (RNC) 16 8 mm² 2.5 x 3 open-in-new Find other Buck converters (integrated switch)

Features

  • Dual Phase Current Mode Topology
  • Input Voltage Range 2.4 to 5.5 V
  • Output Voltage Range 0.6 to 5.5 V
  • Output Current of 6 A
  • Typical Quiescent Current of 23 µA
  • Feedback Voltage Accuracy of ±1% (PWM Mode)
  • Output Voltage Select
  • Phase Shifted Operation
  • Automatic Power Save Modes
  • Forced PWM Mode
  • Adjustable Soft Start
  • Power Good / Thermal Good Outputs
  • Undervoltage Lockout
  • Overcurrent and Short-Circuit Protection
  • Overtemperature Protection
  • 3 × 2.5 mm HotRod™ Package
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Description

The TPS62480 is a synchronous 2-phase step-down DC-DC converter for low profile point-of-load power supplies. The input voltage range of 2.4 to 5.5 V enables operation from typical 3.3-V or 5-V interface supplies as well as from backup circuits dropping down as low as 2.4 V. The output current is up to 6 A continuously provided by two phases of 3 A each, allowing the use of low-profile external components. Both the rails are running out of phase, reducing pulse current noise significantly.

The TPS62480 provides an automatically entered power save mode to maintain high efficiency down to very light loads. This incorporates an automatic phase adding and shedding feature using both or only one phase according to the actual load.

The device features a Power Good signal and an adjustable soft start. Also, the device features a Thermal Good signal to detect excessive internal temperature. The output voltage can be changed to a preselected value by VSEL pin. TPS62480 is able to operate in 100% duty cycle mode.

The TPS62480 is packaged in a small 3 × 2.5 mm HotRod package (RNC).

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Technical documentation

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Type Title Date
* Data sheet TPS62480 2.4-V to 5.5-V, 6-A, 2-Phase Step-Down Converter datasheet (Rev. A) Feb. 29, 2016
Selection guide Buck Converter Quick Reference Guide (Rev. B) Apr. 08, 2021
White paper Enabling Higher Data Rates for Optical Modules With Small and Efficient Power Mar. 22, 2021
Application note Methods of output-voltage adjustment for DC/DC converters Jun. 14, 2019
Technical article Minimize the impact of the MLCC shortage on your power application Mar. 29, 2019
Application note Understanding 100% mode in low-power DC/DC converters Jun. 22, 2018
Application note A Topical Index of TI Low Power Buck DC/DC Application Notes Jan. 17, 2018
Application note Achieving a clean startup by using a DC/DC converter with a precise enable-pin t Oct. 24, 2017
Technical article Small and efficient power supply for the Altera™ MAX® 10 FPGA Apr. 24, 2017
Application note Testing tips for applying external power to supply outputs without an input volt Oct. 24, 2016
Technical article Using the thermal good function to increase reliability Oct. 11, 2016
Technical article An easy-to-assemble power supply for optical modules May 03, 2016
User guide TPS62480EVM-671 Evaluation Module User's Guide Jan. 18, 2016
Application note Design considerations for a resistive feedback divider in a DC/DC converter Apr. 26, 2012

Design & development

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

Hardware development

EVALUATION BOARD Download
document-generic User guide
898
Description

The AM65x Evaluation Module provides a platform to quickly start evaluation of Sitara™ Arm® Cortex®-A53 AM65x Processors (AM6548, AM6546, AM6528, AM6527, AM6526) and accelerate development for HMI, networking, patient monitoring, and other industrial applications. It is a development platform based on (...)

Features
  • 3 gigabit Ethernet ports
  • 4GB DDR4 with ECC
  • On-board 16GB eMMC
  • On-board 512Mb OSPI Flash
  • 1-lane PCIe Gen3.1, USB 3.1, USB 2.0 and CSI-2 interfaces
View details
EVALUATION BOARD Download
document-generic User guide
1369
Description
The AM65x high security (HS) evaluation module provides a platform to evaluate secure boot and other security features of Sitara™ Arm® Cortex®-A53 AM65x Processors (AM6548, AM6546, AM6528, AM6527, AM6526). It is a development platform based on the quad core Cortex-A53, dual Cortex-R5F processor that (...)
Features
  • 3 gigabit Ethernet ports
  • 4GB DDR4 with ECC
  • On-board 16GB eMMC
  • On board 512MB OSPI Flash
  • 1-lane PCIe Gen3.1, USB 3.1, USB 2.0 and CSI-2 interfaces
View details
EVALUATION BOARD Download
document-generic User guide
819
Description

The AM65x industrial development kit (IDK) is a development platform for evaluating the industrial communication and control capabilities of Sitara™ AM65x processors for applications in factory automation, drives, robotics, grid infrastructure, and more. AM65x processors include three PRU-ICSS (...)

Features
  • Up to 6 industrial gigabit Ethernet ports and 1 standard gigabit Ethernet port that can be used concurrently
  • 4GB DDR4 with ECC
  • Profibus connection and industrial I/O header
  • On-board 16GB eMMC
  • On-board 512Mb OSPI flash
  • 2-lane PCIe Gen3.1, USB 2.0 and CSI-2 interfaces
View details
EVALUATION BOARD Download
document-generic User guide
49
Description

The TPS62480EVM-671 is designed to help the user easily evaluate and test the operation and functionality of the TPS62480. The EVM converts a 2.4-V to 5.5-V input voltage to a regulated output voltage of 1.8V at up to 6 A output current. The TPS62480 comes in a small 2.5 x 3.0 mm² VSON package.

Features

  • Dual Phase Current Mode Topology
  • Output Current of 6A
  • Output Voltage Accuracy of ±1% (PWM Mode)
  • Phase Shifted Operation
  • Adjustable Soft Start

View details

Design tools & simulation

SIMULATION MODEL Download
SLVMBH8B.ZIP (58 KB) - PSpice Model
SIMULATION TOOL Download
PSpice® for TI design and simulation tool
PSPICE-FOR-TI — 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 (...)
Features
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)
View details
GERBER FILE Download
SLVC780.ZIP (138 KB)

Reference designs

REFERENCE DESIGNS Download
Small, Efficient Power Supply Reference Design for Altera™ MAX® 10 FPGA for up to 125°C
TIDA-01366 — The TIDA-01366 (also known as PMP9799) demonstrates a complete power solution for Altera's MAX® 10 FPGA. This simple solution uses just three DC/DC converters to power the MAX 10 cost-effectively. This TI Design supports numerous industrial applications and any application that requires a small (...)
document-generic Schematic document-generic User guide

CAD/CAE symbols

Package Pins Download
VQFN-HR (RNC) 16 View options

Ordering & quality

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  • MTBF/FIT estimates
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  • Qualification summary
  • Ongoing reliability monitoring

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