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TPS62869

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5.5-V 6-A synchronous step-down converter with I2C interface in 1.5-mm x 2.5-mm QFN package

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Product details

Parameters

Vin (Min) (V) 2.4 Vin (Max) (V) 5.5 Vout (Min) (V) 0.2 Vout (Max) (V) 3.35 Iq (Typ) (uA) 4 Features Adaptive/Dynamic Voltage Scaling, Enable, Forced PWM, I2C/PMBus, Light Load Efficiency, Output Discharge 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 (RQY) 9 4 mm² 2.5 x 1.5 open-in-new Find other Buck converters (integrated switch)

Features

  • 11-mΩ and 10.5-mΩ internal power MOSFETs
  • >90% efficiency (0.9-V output)
  • DCS-Control topology for fast transient response
  • Available output voltage ranges for dynamic voltage scaling (DVS) through I2C
    • Output voltage range from 0.2-V to 0.8375-V with 2.5-mV step size
    • Output voltage range from 0.4-V to 1.675-V with 5-mV step size
    • Output voltage range from 0.8-V to 3.35-V with 10-mV step size
  • 1% output voltage accuracy
  • 2.4-MHz switching frequency
  • Selection by external resistor
    • Start-up output voltage
    • I2C slave address
  • Selection by I2C interface
    • Power save mode or forced PWM mode
    • Output discharge
    • Hiccup or latching short-circuit protection
    • Output voltage ramp speed
  • Thermal pre-warning and thermal shutdown
  • Power good indicator pin option with window comparator
  • I2C-compatible interface up to 3.4 Mbps
  • Available in 1.5-mm x 2.5-mm x 1.0-mm 9-pin QFN package with 0.5-mm pitch
  • Also available in WCSP package: TPS62866, 6-A synchronous step-down converter with I2C interface in 1.05-mm x 1.78-mm WCSP package
  • Create a custom design using with TPS62868/9 with the WEBENCH Power Designer

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Description

The TPS62868 and TPS62869 devices are high-frequency synchronous step-down converters with I2C interface which provide an efficient, adaptive, and high power-density 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 smallest output voltage ripple. Together with its DCS-Control architecture, excellent load transient performance and tight output voltage accuracy are achieved. Through the I2C interface and a dedicated VID pin, the output voltage is quickly adjusted to adapt the power consumption of the load to the ever-changing performance needs of the application.

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Technical documentation

= Top documentation for this product selected by TI
No results found. Please clear your search and try again. View all 5
Type Title Date
* Datasheet TPS62868x 2.4-V to 5.5-V Input, 4-A/6-A Synchronous Step-Down Converter with I2C Interface in QFN Package datasheet (Rev. A) Dec. 03, 2020
User guide TPS62869EVM-118 Evaluation Module Sep. 18, 2020
More literature TPS62869EVM-118 EU Declaration of Conformity (DoC) Jul. 21, 2020
Technical articles Advantages of scalability: from Peter Parker to pin-strapping Apr. 30, 2020
Technical articles 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
Description
The TPS62869EVM-x (BSR118) evaluation module (EVM) facilitates the evaluation of the TPS62869 family of 6-A, step-down converter with DCS-Control in a small 1.5-mm by 2.5-mm QFN package solution. The EVM creates output voltages between 0.4 V and 1.675 V with 1% accuracy output voltages from higher (...)
Features
  • 2.4-V to 5.5-V input voltage range
  • 0.4-V to 1.675-V programmable output voltage via I²C
  • 6-A output current

Design tools & simulation

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
VQFN-HR (RQY) 9 View options

Ordering & quality

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