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TPS62867

ACTIVE

2.4-V to 5.5-V input, 6-A synchronous step-down converter in 1.5-mm x 2.5-mm QFN package

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Data sheet

TPS62867

ACTIVE
Data sheet Order now

Product details

Rating Catalog Topology Buck, Step-Down Converter, Synchronous Buck Iout (max) (A) 6 Vin (max) (V) 5.5 Vin (min) (V) 2.4 Vout (max) (V) 5.5 Vout (min) (V) 0.6 Features Enable, Light Load Efficiency, Light load efficiency, Output discharge, Over Current Protection, Power good, Soft Start Fixed EMI features Low parasitic Hotrod packaging Control mode COT, Constant on-time (COT), DCS-Control Switching frequency (min) (kHz) 2400 Switching frequency (max) (kHz) 2400 Operating temperature range (°C) -40 to 125 Iq (typ) (µA) 4 Duty cycle (max) (%) 100 Type Converter, Converter (Integrated Switch), DC/DC converter
Rating Catalog Topology Buck, Step-Down Converter, Synchronous Buck Iout (max) (A) 6 Vin (max) (V) 5.5 Vin (min) (V) 2.4 Vout (max) (V) 5.5 Vout (min) (V) 0.6 Features Enable, Light Load Efficiency, Light load efficiency, Output discharge, Over Current Protection, Power good, Soft Start Fixed EMI features Low parasitic Hotrod packaging Control mode COT, Constant on-time (COT), DCS-Control Switching frequency (min) (kHz) 2400 Switching frequency (max) (kHz) 2400 Operating temperature range (°C) -40 to 125 Iq (typ) (µA) 4 Duty cycle (max) (%) 100 Type Converter, Converter (Integrated Switch), DC/DC converter
VQFN-HR (RQY) 9 3.75 mm² 2.5 x 1.5
  • DCS-Control topology for fast transient response
  • 11-mΩ and 10.5-mΩ internal power MOSFETs
  • 1% output voltage accuracy
  • 4-µA operating quiescent current
  • 2.4-V to 5.5-V input voltage range
  • 0.6-V to VIN output voltage range
  • Fixed (selectable by external resistor) and adjustable output voltage versions
  • 2.4-MHz switching frequency
  • Forced PWM or power save mode
  • Output voltage discharge
  • 100% duty cycle mode
  • Hiccup short-circuit protection
  • Power good indicator with window comparator
  • Thermal shutdown
  • Solution sizes down to 30 mm2 possible
  • Available in 1.5-mm × 2.5-mm QFN with 0.5-mm pitch
  • Create a custom design using the TPS62865 with the WEBENCH Power Designer
  • Create a custom design using the TPS62867 with the WEBENCH Power Designer
  • DCS-Control topology for fast transient response
  • 11-mΩ and 10.5-mΩ internal power MOSFETs
  • 1% output voltage accuracy
  • 4-µA operating quiescent current
  • 2.4-V to 5.5-V input voltage range
  • 0.6-V to VIN output voltage range
  • Fixed (selectable by external resistor) and adjustable output voltage versions
  • 2.4-MHz switching frequency
  • Forced PWM or power save mode
  • Output voltage discharge
  • 100% duty cycle mode
  • Hiccup short-circuit protection
  • Power good indicator with window comparator
  • Thermal shutdown
  • Solution sizes down to 30 mm2 possible
  • Available in 1.5-mm × 2.5-mm QFN with 0.5-mm pitch
  • Create a custom design using the TPS62865 with the WEBENCH Power Designer
  • Create a custom design using the TPS62867 with the WEBENCH Power Designer

The TPS62865 and TPS62867 devices are high-frequency synchronous step-down converters which provide an efficient, flexible, and high power-density solution. At medium to heavy loads, the converters operate in PWM mode and automatically enter Power Save Mode operation at light load to maintain high efficiency over the entire load current range. The devices can also be forced in PWM mode operation to minimize output voltage ripple. Together with its DCS-control architecture, excellent load transient performance and tight output voltage accuracy are achieved. The devices feature a Power Good signal and an internal soft start circuit. The devices are able to operate in 100% mode. For fault protection, the devices incorporate a HICCUP short circuit protection as well as a thermal shutdown.

The TPS62865 and TPS62867 devices are high-frequency synchronous step-down converters which provide an efficient, flexible, and high power-density solution. At medium to heavy loads, the converters operate in PWM mode and automatically enter Power Save Mode operation at light load to maintain high efficiency over the entire load current range. The devices can also be forced in PWM mode operation to minimize output voltage ripple. Together with its DCS-control architecture, excellent load transient performance and tight output voltage accuracy are achieved. The devices feature a Power Good signal and an internal soft start circuit. The devices are able to operate in 100% mode. For fault protection, the devices incorporate a HICCUP short circuit protection as well as a thermal shutdown.
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Technical documentation

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Type Title Date
* Data sheet TPS62865/TPS62867 2.4-V to 5.5-V Input, 4-A and 6-A Synchronous Step-Down Converter in 1.5-mm × 2.5-mm QFN Package datasheet PDF | HTML 23 Mar 2021
Application note Intro to Multi-Function Pins and Their Applications in TI Step-Down Converters (Rev. A) PDF | HTML 17 Nov 2022
EVM User's guide TPS62867EVM-121 Evaluation Module PDF | HTML 14 Apr 2021
White paper Enabling Higher Data Rates for Optical Modules With Small and Efficient Power 22 Mar 2021
Certificate TPS62867EVM-121 EU RoHS Declaration of Conformity (DoC) 09 Nov 2020

Design & development

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

Evaluation board

TPS62867EVM-121 — 5.5-V input, 6-A output step-down buck converter with 1% accuracy evaluation module

The TPS62867EVM-121 evaluation module (EVM) facilitates the evaluation of the TPS62867 6-A,
step-down converter with DCS-Control™ in a tiny 1.5-mm by 2.5-mm QFN package. The EVM outputs a 0.9-V
output voltage with 1% accuracy from input voltages between 2.4 V and 5.5 V. The TPS62867 is a highly
(...)
User guide: PDF | HTML
Not available on TI.com
Evaluation board

TPS65219EVM-SKT — TPS65219 non-volatile memory (NVM) programming board

The TPS65219 non-volatile memory (NVM) programming board uses an MSP430F5529 microcontroller (MCU) to enable customer programming of the NVM for the TPS65219 power management IC (PMIC). It also includes power terminals and jumpers for all DC regulator inputs and outputs, as well as test points for (...)

User guide: PDF | HTML
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Simulation model

TPS62867 PSpice Transient Model

SLUM932.ZIP (638 KB) - PSpice Model
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Reference designs

TIDA-060043 — 56G retimer MCB QSFP-DD reference design

This reference design demonstrates how the 56G PAM-4 retimer DS560DF410 can be used to equalize high-speed signals in active electical cable applications. The design is a module compliance board (MCB) which routes signals from a QSFP-DD connector through a retimer to SMA and MXP connectors in both (...)
Design guide: PDF
Package Pins CAD symbols, footprints & 3D models
VQFN-HR (RQY) 9 Ultra Librarian
TI's Standard Terms and Conditions for Evaluation Items apply.

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