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TPS62860

ACTIVE

1.8-V to 5.5-V input, tiny, 0.6-A, ultra-low Iq step-down buck converter with I2C/VSEL interface

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Product details

Parameters

Vin (Min) (V) 1.8 Vin (Max) (V) 5.5 Vout (Min) (V) 0.4 Vout (Max) (V) 1.9875 Iout (Max) (A) 0.6 Iq (Typ) (uA) 2.3 Switching frequency (Min) (kHz) 1500 Switching frequency (Max) (kHz) 1500 Features Adaptive/Dynamic Voltage Scaling, Forced PWM, I2C/PMBus, Light Load Efficiency, Output Discharge, Over Current Protection, Soft Start Adjustable, VID Interface Operating temperature range (C) -40 to 125 Rating Catalog Regulated outputs (#) 1 open-in-new Find other Buck converters (integrated switch)

Package | Pins | Size

DSBGA (YCH) 8 1 mm² 1.401 x .701 open-in-new Find other Buck converters (integrated switch)

Features

  • 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)
  • I2C user interface to adjust
    • Output voltage presets
    • Ramp speed
  • VSEL-pin to toggle VOUT during operation
  • Power good indication
  • Supports <6-mm² solution size
  • Supports <0.6-mm solution height
  • Tiny 8-pin, 0.35-mm pitch WCSP package
  • Optimized pinout to support 0201 components

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Description

The TPS6286x devices are high-frequency synchronous step-down converters with I2C- and VSEL-Interface. They provide an efficient, flexible, and high-power density point-of-load DC/DC solution. 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 I2C 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 TPS6286x family is available with two VSEL pins and four factory preset voltages to allow usage without I2C interface.

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Exact equivalent in functionality and parametrics to the compared device:
NEW TPS62861 ACTIVE 1.8-V to 5.5-V input, tiny, 1-A ultra-low Iq step-down converter with I2C/VSEL interface p2p buck converter with higher current level (1 A)
Same functionality but is not pin-for-pin or parametrically equivalent to the compared device:
TPS62800 ACTIVE 1.8V-5.5V input, tiny, 1A ultra-low Iq step-down converter in 1.05 x 0.70mm chip scale package Buck converter without I2C interface and higher output current (1 A)
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NEW TPS62864 ACTIVE 4-A synchronous step-down converter with I2C interface in 1.05-mm x 1.78-mm WCSP package Buck converter with I2C interface and higher output current (4 A / 6 A)

Technical documentation

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Type Title Date
* Datasheet 1.8-V to 5.5-V Input, 0.6-/1-A Synchronous Step-Down Converter with I2C/VSEL Interface datasheet (Rev. B) Sep. 23, 2020
User guide TPS6286x0EVM-109 Evaluation Module (Rev. B) Sep. 22, 2020
User guide TPS6286x1EVM-109 Evaluation Module Jul. 22, 2020
Technical article Minimize the impact of the MLCC shortage on your power application Mar. 29, 2019

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
49
Description
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 (...)
Features
  • 1.8-V to 5.5-V input voltage range
  • Output voltage with 1% accuracy
  • 0.6 A of output current
  • 0.6-mm maximum solution height
  • 10-mm2 total solution size
EVALUATION BOARD Download
document-generic User guide
49
Description
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 (...)
Features
  • 1.8-V to 5.5-V input voltage range
  • Output voltage with 1% accuracy
  • 0.6 A of output current
  • 0.6-mm maximum solution height
  • 10-mm2 total solution size

Software development

GUI FOR EVALUATION MODULE (EVM) Download
SLUC693A.ZIP (22477 KB)
GUI FOR EVALUATION MODULE (EVM) Download
SLUC694A.ZIP (26738 KB)
GUI FOR EVALUATION MODULE (EVM) Download
SLUC698A.ZIP (27646 KB)

Design tools & simulation

SIMULATION MODEL Download
SLUM758.ZIP (154 KB) - PSpice Model
SIMULATION MODEL Download
SLUM764.ZIP (158 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
  • (...)

CAD/CAE symbols

Package Pins Download
DSBGA (YCH) 8 View options

Ordering & quality

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  • MSL rating/Peak reflow
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  • Qualification summary
  • Ongoing reliability monitoring

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