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TPS61088

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10-A Fully-Integrated Synchronous Boost Converter

Data sheet
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10-A Fully-Integrated Synchronous Boost Converter

TPS61088

ACTIVE
Data sheet Order now

Product details

Parameters

Vin (Min) (V) 2.7 Vin (Max) (V) 12 Vout (Min) (V) 4.5 Vout (Max) (V) 12.6 Switch current limit (Typ) (A) 11.9 Regulated outputs (#) 1 Switching frequency (Min) (kHz) 200 Switching frequency (Max) (kHz) 2200 Iq (Typ) (mA) 0.11 Features Adjustable Current Limit, Enable, Light Load Efficiency, Synchronous Rectification Duty cycle (Max) (%) 90 Operating temperature range (C) -40 to 85 Type Converter Rating Catalog open-in-new Find other Boost converters (integrated switch)

Package | Pins | Size

VQFN (RHL) 20 16 mm² 4.5 x 3.5 open-in-new Find other Boost converters (integrated switch)

Features

  • Input Voltage Range: 2.7 to 12 V
  • Output Voltage Range: 4.5 to 12.6 V
  • 10-A Switch Current
  • Up to 91% Efficiency at VIN = 3.3 V, VOUT = 9 V, and IOUT = 3 A
  • Mode Selection Between PFM Mode and Forced PWM Mode at Light Load
  • 1.0 µA Current into VIN Pin during Shutdown
  • Resistor-Programmable Switch Peak Current Limit
  • Adjustable Switching Frequency: 200 kHz to 2.2 MHz
  • Programmable Soft Start
  • Output Overvoltage Protection at 13.2 V
  • Cycle-by-Cycle Overcurrent Protection
  • Thermal Shutdown
  • 4.50-mm × 3.50-mm 20-Pin VQFN Package
  • Create a Custom Design Using the TPS61088 with the WEBENCH Power Designer

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Description

The TPS61088 is a high power density, fully integrated synchronous boost converter with a 11-mΩ power switch and a 13-mΩ rectifier switch to provide a high efficiency and small size solution in portable systems. The TPS61088 has wide input voltage range from 2.7 V to 12 V to support applications with single cell or two cell Lithium batteries. The device has 10-A switch current capability and is capable of providing an output voltage up to 12.6 V.

The TPS61088 uses adaptive constant off-time peak current control topology to regulate the output voltage. In moderate to heavy load condition, the TPS61088 works in the pulse width modulation (PWM) mode. In light load condition, the device has two operation modes selected by the MODE pin. One is the pulse frequency modulation (PFM) mode to improve the efficiency and another one is the forced PWM mode to avoid application problems caused by low switching frequency. The switching frequency in the PWM mode is adjustable ranging from 200 kHz to 2.2 MHz by an external resistor. The TPS61088 also implements a programmable soft-start function and an adjustable switching peak current limit function. In addition, the device provides 13.2-V output overvoltage protection, cycle-by-cycle overcurrent protection, and thermal shutdown protection.

The TPS61088 is available in a 4.50-mm × 3.50-mm 20-pin VQFN package.

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Technical documentation

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Type Title Date
* Datasheet TPS61088 10-A Fully-Integrated Synchronous Boost Converter datasheet (Rev. C) Feb. 12, 2019
Application notes Reducing Radiated EMI in TPS61088 Boost Converter (Rev. A) Nov. 04, 2019
Application notes Performing Accurate PFM Mode Efficiency Measurements (Rev. A) Dec. 11, 2018
Application notes Negative to Positive Conversion Made Simple with TPS61089 Boost Converter Oct. 11, 2018
Application notes QFN and SON PCB Attachment (Rev. B) Aug. 24, 2018
Application notes Charging Supercapacitor Banks from USB Type C Port With Boost Converter Jul. 17, 2018
Selection guides Low-Power DC/DC Converter Overview Guide (Rev. D) Feb. 09, 2017
Technical articles Make your power bank more reliable with output short-circuit protection Dec. 06, 2016
Application notes Output Short-Circuit Protection Solution for the TPS61088 Sep. 22, 2016
Technical articles Pass your power bank EMI test Aug. 24, 2016
Technical articles A much smaller boost converter for slightly smaller power banks May 23, 2016
Technical articles Learn the basics of battery charging in power banks May 04, 2016
Application notes Five Steps to a Good PCB Layout of the Boost Converter May 03, 2016
User guides TPS61088EVM User's Guide Jun. 03, 2015
Application notes Basic Calculation of a Boost Converter's Power Stage (Rev. C) Jan. 08, 2014
Application notes AN-2020 Thermal Design By Insight, Not Hindsight (Rev. C) Apr. 23, 2013
Application notes Design considerations for a resistive feedback divider in a DC/DC converter Apr. 26, 2012
Application notes Minimizing Ringing at the Switch Node of a Boost Converter Sep. 15, 2006

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
$49.00
Description

This EVM contains the 200kHz-2MHz, fully-Integrated synchronous boost converter TPS61088 with a switch current of 10A maximum. The EVM board’s output voltage is set at 9V, at Vin=3.3V, Vo=9V, Io=3A conditions, the efficiency can be up to 90%.

Features
  • 10-A Switch Current
  • Up to 90% Efficiency at VIN = 3.3V, VOUT = 9V,and IOUT = 3A
  • Mode Selection Between PFM Mode and Forced PWM Mode at Light Load
  • 1.0μA Current into VIN pin during Shutdown
  • Resistor-Programmable Switch Peak Current Limit
View details

Design tools & simulation

SIMULATION MODELS Download
SLVMAU6A.ZIP (87 KB) - PSpice Model
SIMULATION MODELS Download
SLVMDA9.ZIP (4 KB) - PSpice Model

Reference designs

REFERENCE DESIGNS Download
Low Radiated EMI Boost Converter Reference Designs with TPS61088
PMP9778 — This reference design delivers a low radiated EMI solution with boost converter TPS61088. By minimizing the high di/dt critical path area, using an integrated ground plane next to the topside signal layer, placing an appropriate RC snubber at the SW node, this reference design can get more than 6dB (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
GSM module back up power reference design for smart meters
TIDA-050021 — TIDA-050021 delivers a back-up power reference design for the GSM module. By adding a simple charge-pump circuit, this reference design can support 3.8-V, 2-A output power even when the super-capacitor voltage drops to 1 V. This allows the energy stored in the super capacitor to be used to the (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Accurate Output Current Limit Circuit Reference Design for the TPS61088 Boost Converter
PMP9806 — This reference design delivers an accurate output current limit solution for the TPS61088 boost converter. This feature is realized by an output current sense resistor and a low cost operational amplifier. When the output current is higher than the current limit point, the output of the operational (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Output Short-Circuit Protection Reference Design for the TPS61088 Boost Converter
PMP9779 — This reference design delivers an output short-circuit protection solution for the TPS61088 boost converter. This feature is realized by an over current protection (OCP) circuit. When the output is shorted to ground or the load current is higher than a certain value, the OCP circuit will disconnect (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
USB-C DFP+ USB-A Power Bank with Input & Output Fast Charger Reference Design
PMP4451 — This is a power bank reference design with a USB type C DFP plus a USB type A port supporting high voltage discharging. Fast charger input is also supported to save more charging time. It can detect the input port attach/detach automatically, as well as the output ports.
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Envelope-Tracking Power Supply Reference Design for Audio Power Amplifiers with TPS61088
PMP9774 — This reference design delivers an envelope-tracking power supply circuit for audio power amplifier (PA) with TPS61088. By adding an audio envelope signal to the FB pin, the TPS61088’s output voltage can change in accordance with the envelope of the audio signal. So the TPS61088 provides a (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Reference Design - USB Power Supply using TPS61088 to Support Quick Charge 2.0
PMP9773 — This Reference-Design is to power the USB port that aims to supports Quick Charge 2.0 from one cell li-ion Battery or a Power supply between 2.7V and 4.4V. It consists of a boost converter TPS61088 supporting up to 12V output, a 12 E-fuse TPS2592AA for short circuit protection and a charger (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Low Input Voltage High Current Boost Converter Reference Design with TPS61088
PMP9772 — This reference design delivers a very low input voltage high current boost application with a combination of the TPS61088 and the TLV61220. The TLV61220 is a low-input voltage boost converter. Its minimum input voltage is 0.7V. Setting the TLV61220’s output voltage to 5.5V to supply the (...)
document-generic Schematic document-generic User guide

CAD/CAE symbols

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VQFN (RHL) 20 View options

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Training series

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Videos

Power Tips: Layout for a Boost Power Stage

This video shows a simplified schematic and PCB layout for a boost converter

Posted: 21-Jan-2016
Duration: 04:31

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