TPS61088-Q1

ACTIVE

Automotive 10-A 2.7-V to 12-V Synchronous Boost Converter

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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) 11.4 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 125 Rating Automotive 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

  • AEC-Q100 Qualified for Automotive Applications:
    • Device Temperature Grade 1: –40°C to +125°C, TA
  • Input Voltage Range: 2.7 to 12 V
  • Output Voltage Range: 4.5 to 12.6 V
  • 10-A Switch Current
  • Higher than 90% Efficiency at VIN = 5 V,
    VOUT = 9 V, and IOUT = 3 A
  • Mode Selection Between PFM Mode and Forced PWM Mode at Light Load
  • 1-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-Q1 with the WEBENCH Power Designer

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Description

The TPS61088-Q1 is a 2.7-V to 12-VIN high power density, synchronous boost converter designed to provide a high-efficiency, small-size solution for automotive applications. The TPS61088-Q1 has a minimum input voltage of 2.7 V and therefore can act as a boost for a single or two cell Li-Ion back-up battery (BUB) in applications such as E-Call that also require a high power output to drive the speaker, antenna, and other circuits.

The device can also be used as a post-boost, boosting from the main automotive system 3.3-V rail to power CAN transceivers and other circuits requiring 5 V.

The 12.6-VOUT capability allows the TPS61088-Q1 to also power audio amplifiers (for example, 10 V or 11 V for E-Call), antenna, power-over-coax (PoC), and automotive audio bus (A2B) devices.

The 10-A switch current enables applications that require operation during cold crank, for example, at 3.5 VIN to 11 VOUT while still delivering up to 2-A load current.

The TPS61088-Q1 uses adaptive constant off-time peak-current-control topology to regulate the output voltage. In moderate-to-heavy load condition, the TPS61088-Q1 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-Q1 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-Q1 is available in a 4.50-mm × 3.50-mm 20-pin VQFN package.

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Technical documentation

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No results found. Please clear your search and try again. View all 2
Type Title Date
* Datasheet TPS61088-Q1 10-A Fully-Integrated Synchronous Boost Converter datasheet (Rev. A) Nov. 29, 2018
User guide TPS61088Q1EVM-037 Evaluation Module User's Guide (Rev. A) Oct. 15, 2018

Design & development

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

Hardware development

EVALUATION BOARD Download
59
Description
The TPS61088-Q1 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-Q1 has wide input voltage range from 2.7 V to 12 V to (...)
Features
  • Input voltage range: 2.7 to 12 V
  • Output voltage range: 4.5 to 12.6 V
  • Up to 90% efficiency at VIN = 3.3 V, VOUT = 9 V, and IOUT = 2 A
  • Mode selection between PFM mode and forced PWM mode at light load
  • Resistor-programmable switch peak current limit
  • Adjustable switching frequency: 200 kHz to 2.2MHz

Design tools & simulation

SIMULATION MODEL Download
SLVMAU6A.ZIP (87 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
  • (...)

Reference designs

REFERENCE DESIGNS Download
Back-up battery power reference design for automotive emergency calling applications
TIDA-050031 — This back-up power reference design is for automotive E-Call application. It uses one cell LiFePO4 as the backup battery. The minimum backup battery voltage can be down to 2 V with boost converter TPS61088-Q1; the maximum output power can be 8 V/1.7A. This reference design is low-cost, high (...)
document-generic Schematic

CAD/CAE symbols

Package Pins Download
VQFN (RHL) 20 View options

Ordering & quality

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