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TPS62860

ACTIVE

1.75-V to 5.5-V, 0.6-A ultra-low IQ step-down buck converter with I2C/VSEL interface

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Data sheet

TPS62860

ACTIVE
Data sheet Order now

Product details

Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 0.6 Vin (min) (V) 1.75 Vin (max) (V) 5.5 Switching frequency (min) (kHz) 1500 Switching frequency (max) (kHz) 1500 Features Adaptive/Dynamic Voltage Scaling, Forced PWM, I2C/PMBus, Light Load Efficiency, Light load efficiency, Output discharge, Over Current Protection, Soft Start Adjustable, VID Interface Control mode DCS-Control Vout (min) (V) 0.4 Vout (max) (V) 1.9875 Iq (typ) (µA) 2.3 Duty cycle (max) (%) 100
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 0.6 Vin (min) (V) 1.75 Vin (max) (V) 5.5 Switching frequency (min) (kHz) 1500 Switching frequency (max) (kHz) 1500 Features Adaptive/Dynamic Voltage Scaling, Forced PWM, I2C/PMBus, Light Load Efficiency, Light load efficiency, Output discharge, Over Current Protection, Soft Start Adjustable, VID Interface Control mode DCS-Control Vout (min) (V) 0.4 Vout (max) (V) 1.9875 Iq (typ) (µA) 2.3 Duty cycle (max) (%) 100
DSBGA (YCH) 8 0.98 mm² 1.4 x 0.7
  • 2.3-µA operating quiescent current
  • Up to 4-MHz switching frequency
  • 1% output voltage accuracy
  • DVS output from
    • 0.4 V to 1.9875 V (12.5-mV steps)
  • I 2C user interface to adjust
    • Output voltage presets
    • Ramp speed
  • VSEL pin to toggle output voltage during operation
  • Power-good indication
  • Supports < 6-mm² design size
  • Supports < 0.6-mm design height
  • Tiny, 8-pin, 0.35-mm pitch WCSP package
  • Optimized pinout to support 0201 components
  • 2.3-µA operating quiescent current
  • Up to 4-MHz switching frequency
  • 1% output voltage accuracy
  • DVS output from
    • 0.4 V to 1.9875 V (12.5-mV steps)
  • I 2C user interface to adjust
    • Output voltage presets
    • Ramp speed
  • VSEL pin to toggle output voltage during operation
  • Power-good indication
  • Supports < 6-mm² design size
  • Supports < 0.6-mm design height
  • Tiny, 8-pin, 0.35-mm pitch WCSP package
  • Optimized pinout to support 0201 components

The TPS6286x devices are high-frequency, synchronous step-down converters with I2C- and VSEL-Interface. The devices provide an efficient, flexible, and high-power density point-of-load DC/DC design. At medium to heavy loads, the converter operates in PWM mode and automatically enters Power Save Mode operation at light load to maintain high efficiency over the entire load current range. The device can also be forced in PWM mode operation for the smallest output voltage ripple. Together, with its DCS-Control architecture, excellent load transient performance and tight output voltage accuracy are achieved. With the I 2C interface and a dedicated VSEL pin, the output voltage is quickly adjusted to adapt the power consumption of the load to the ever-changing performance needs of the application. The device family is available with two VSEL pins and four factory preset voltages to allow usage without I 2C interface.

The TPS6286x devices are high-frequency, synchronous step-down converters with I2C- and VSEL-Interface. The devices provide an efficient, flexible, and high-power density point-of-load DC/DC design. At medium to heavy loads, the converter operates in PWM mode and automatically enters Power Save Mode operation at light load to maintain high efficiency over the entire load current range. The device can also be forced in PWM mode operation for the smallest output voltage ripple. Together, with its DCS-Control architecture, excellent load transient performance and tight output voltage accuracy are achieved. With the I 2C interface and a dedicated VSEL pin, the output voltage is quickly adjusted to adapt the power consumption of the load to the ever-changing performance needs of the application. The device family is available with two VSEL pins and four factory preset voltages to allow usage without I 2C interface.
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Technical documentation

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Type Title Date
* Data sheet TPS6286x1.75-V to 5.5-V Input, 0.6-/1-A Synchronous Step-Down Converterwith I2C/VSEL Interface datasheet (Rev. F) PDF | HTML 24 Oct 2023
Application note Benefiting from Step-Down Converters with an I2C Communication Interface (Rev. B) PDF | HTML 29 Nov 2023
Application note Understanding SOA Curves to Operate at High Output Currents and Temperature PDF | HTML 05 May 2022
User guide TPS6286x1EVM-109 Evaluation Module (Rev. A) PDF | HTML 25 Apr 2022
User guide TPS6286x0EVM-109 Evaluation Module (Rev. B) PDF | HTML 22 Sep 2020

Design & development

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

Evaluation board

TPS628600EVM-109 — 5.5-V input, 0.6-A output synchronous step-down converter evaluation module with I2C interface

The TPS628600EVM-109 evaluation module (EVM) facilitates the evaluation of the TPS628600 0.6-A, step-down converter in a small 0.7-mm by 1.4-mm package with 0.35-mm pitch. The EVM has a programmable output of 0.4-V to 1.9875-V via I2C with 1% accuracy from input voltages betwen 1.8-V to 5.5-V. The (...)
User guide: PDF | HTML
Not available on TI.com
Evaluation board

TPS628601EVM-109 — 5.5-V input, 0.6-A output synchronous step-down converter evaluation module with VSEL interface

The TPS628601EVM-109 evaluation module (EVM) facilitates the evaluation of the TPS628600 0.6-A, step-down converter in a small 0.7-mm by 1.4-mm package with 0.35-mm pitch. The EVM has a selectable output via VSEL with 1% accuracy from input voltages betwen 1.8-V to 5.5-V. The TPS628601 is a highly (...)
User guide: PDF | HTML
Not available on TI.com
GUI for evaluation module (EVM)

SLUC693 — TPS628610EVM GUI for Linux

Supported products & hardware

Supported products & hardware

Products
AC/DC & DC/DC converters (integrated FET)
TPS62860 — 1.75-V to 5.5-V, 0.6-A ultra-low IQ step-down buck converter with I2C/VSEL interface TPS62861 — 1.75-V to 5.5-V, 1-A ultra-low IQ step-down converter with I2C/VSEL interface
Download
GUI for evaluation module (EVM)

SLUC694 — TPS628610EVM GUI for Windows

Supported products & hardware

Supported products & hardware

Products
AC/DC & DC/DC converters (integrated FET)
TPS62860 — 1.75-V to 5.5-V, 0.6-A ultra-low IQ step-down buck converter with I2C/VSEL interface TPS62861 — 1.75-V to 5.5-V, 1-A ultra-low IQ step-down converter with I2C/VSEL interface
Download
GUI for evaluation module (EVM)

SLUC698 — TPS628610EVM GUI for MacOS

Supported products & hardware

Supported products & hardware

Products
AC/DC & DC/DC converters (integrated FET)
TPS62860 — 1.75-V to 5.5-V, 0.6-A ultra-low IQ step-down buck converter with I2C/VSEL interface TPS62861 — 1.75-V to 5.5-V, 1-A ultra-low IQ step-down converter with I2C/VSEL interface
Download
Simulation model

TPS628600 PSpice Transient Model

SLUM758.ZIP (154 KB) - PSpice Model
Download
Simulation model

TPS628601 PSpice Transient Model

SLUM764.ZIP (158 KB) - PSpice Model
Download
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DSBGA (YCH) 8 Ultra Librarian
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