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TPS55288

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36V, 16A buck-boost converter with PPS control

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Product details

Parameters

Topology Buck-Boost Vin (Min) (V) 2.7 Vin (Max) (V) 36 Vout (Max) (V) 21.26 Vout (Min) (V) 0.8 Features Adjustable Current Limit, Dynamic Voltage Scaling, Enable, Frequency Synchronization, Light Load Efficiency, Output Discharge, Synchronous Rectification, UVLO Fixed Switch current limit (Typ) (A) 16 Switching frequency (Min) (kHz) 200 Switching frequency (Max) (kHz) 2200 Iq (Typ) (mA) 1.3 Rating Catalog Operating temperature range (C) -40 to 150 open-in-new Find other Buck-boost, inverting & split-rail converters (integrated switch)

Package | Pins | Size

VQFN-HR (RPM) 26 14 mm² 4 x 3.5 open-in-new Find other Buck-boost, inverting & split-rail converters (integrated switch)

Features

  • Programmable Power Supply (PPS) support for USB Power Delivery (USB PD)
    • Wide input voltage range: 2.7 V to 36 V
    • Programmable output voltage range: 0.8 V to 22 V with 20-mV step
    • ±1% reference voltage accuracy
    • Adjustable output voltage compensation for voltage droop over the cable
    • Programmable output current limit up to 6.35 A with 50-mA step
    • ±5% accurate output current monitoring
    • I2C interface
  • High efficiency over entire load range
    • 97% efficiency at VIN = 12 V, VOUT = 20 V and IOUT = 3 A
    • Programmable PFM and FPWM mode at light load
  • Avoid frequency interference and crosstalk
    • Optional clock synchronization
    • Programmable switching frequency from 200 kHz to 2.2 MHz
  • EMI mitigation
    • Optional programmable spread spectrum
    • Lead-less package
  • Rich protection features
    • Output overvoltage protection
    • Hiccup mode for output short-circuit protection
    • Thermal shutdown protection
    • Programmable average inductor current limit up to 16 A
  • Small solution size
    • Maximum switching frequency up to 2.2 MHz
    • 4.0-mm × 3.5-mm Hotrod™ QFN package
  • Fixed 4-ms soft-start time
  • Create a custom design using the TPS55288 with the WEBENCH Power Designer

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open-in-new Find other Buck-boost, inverting & split-rail converters (integrated switch)

Description

The TPS55288 is a synchronous four-switch buck-boost converter capable of regulating the output voltage at, above, or below the input voltage. The TPS55288 operates over 2.7-V to 36-V wide input voltage and capable of outputing 0.8-V to 22-V voltage to support a variety of applications.

The TPS55288 integrates two 16-A MOSFETs of the boost leg to balance the solution size and efficiency. With the programmable output voltage and output current limit through I2C interface, the TPS55288 is fully compliant to the USB PD specification. The TPS55288 is capable of delivering 100 W from 12-V input voltage.

The TPS55288 employs average current-mode control scheme. The switching frequency is programmable from 200 kHz to 2.2 MHz by an external resistor and can be synchronized to an external clock. The TPS55288 also provides optional spread spectrum to minimize peak EMI.

The TPS55288 offers output over-voltage protection, average inductor current limit, cycle-by-cycle peak current limit and output short circuit protection. The TPS55288 also ensures safe operating with optional output current limit and hiccup-mode protection in sustained overload conditions.

The TPS55288 can use a small inductor and small capacitors with high switching frequency. It is available in 4.0-mm × 3.5-mm QFN package.

open-in-new Find other Buck-boost, inverting & split-rail converters (integrated switch)
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Technical documentation

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Type Title Date
* Datasheet TPS55288 36-V, 16-A Buck-Boost Converter datasheet (Rev. A) Aug. 27, 2020
Application notes How to Achieve Low EMI with TPS55288 Buck-Boost Converter Sep. 02, 2020
Application notes TPS55288 Layout Guideline (Rev. A) Aug. 24, 2020
User guides TPS55288EVM-045 Evaluation Module (Rev. A) Aug. 13, 2020
Technical articles Ease power-supply design for USB PD applications with buck-boost converters Jul. 09, 2020
Application notes USB Type C Power Delivery Source with TPS65987 and TPS55288 Mar. 06, 2020
More literature TPS55288EVM-053 EU Declaration of Conformity (DoC) Feb. 24, 2020

Design & development

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

Hardware development

EVALUATION BOARDS Download
document-generic User guide
Description
The TPS55288 is a synchronous buck-boost converter optimized for converting battery voltage or adaptor voltage into power supply rails. The TPS55288 integrates two 16-A MOSFETs of the boost leg to balance the solution size and efficiency for USB Power Delivery (USB PD) application. The TPS55288 has (...)
Features
  • Input voltage range: 2.7 V to 36 V
  • Output voltage range: 0.8 V to 21.26 V
  • 97% efficiency at VIN = 12 V, VOUT = 20 V and IOUT = 3 A
  • Adjustable switching frequency 200 kHz to 2.4 MHz
  • Programmable output current limit
  • I²C Interface
GUIS FOR EVALUATION MODULES (EVM) Download
document-generic User guide
Description
The TPS55288EVM GUI is a windows based software GUI to control the TPS55288EVM-045 and TPS55288EVM-053 evaluation modules through I²C command.
Features
  • Change the I²C slave address of the TPS55288
  • Configure the operation mode
  • Program the output voltage range and output voltage
  • Program the output current limit
  • Report the operation status
  • Directly read and write registers of the TPS55288 on the register map page

Design tools & simulation

SIMULATION MODELS Download
SLVMDD9.ZIP (192 KB) - PSpice Model
SIMULATION TOOLS 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
  • (...)
CALCULATION TOOLS Download
SLVRBF9.ZIP (249 KB)

CAD/CAE symbols

Package Pins Download
VQFN-HR (RPM) 26 View options

Ordering & quality

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