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Product details

Parameters

Vin (Min) (V) 2 Vin (Max) (V) 18 Vout (Min) (V) 4.5 Vout (Max) (V) 18 Switch current limit (Typ) (A) 16 Regulated outputs (#) 1 Switching frequency (Min) (kHz) 440 Switching frequency (Max) (kHz) 600 Iq (Typ) (mA) 0.12 Features Enable, Light Load Efficiency, Synchronous Rectification Operating temperature range (C) -40 to 125 Rating Catalog open-in-new Find other Boost converters (integrated switch)

Package | Pins | Size

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Features

  • Wide input voltage and output voltage range
    • VIN : 2.0 V to 18 V
    • 2.4-V Minimum input voltage for start-up
    • VOUT : 4.5 V to 18 V
  • High efficiency and power capability
    • 15-A peak switch current limit
    • Two 6.5-mΩ (LS) / 8.5-mΩ (HS) MOSFETs
    • Switching frequency: 500 kHz
    • Up to 94.7% efficiency at VIN = 3.6 V, VOUT = 13 V, and IOUT = 2 A
    • Up to 96.9% efficiency at VIN = 7.2 V, VOUT = 16 V, and IOUT = 2.5 A
  • Extend the system operating time
    • Typical 110-µA quiescent current into VOUT pin
    • Maximum 2.1-µA current into VIN pin during shutdown
    • Smooth on-time/off-time (SOO) Modulation at light load and low duty cycle and no DC offset between PFM and PWM

  • Rich protection
    • Output overvoltage protection at 19 V
    • Cycle-by-cycle overcurrent protection
    • Thermal shutdown
  • 2.5-mm × 3.0-mm QFN package

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Description

The TPS61288 is a high-power density, fully-integrated synchronous boost converter with a 6.5-mΩ power switch and a 8.5-mΩ rectifier switch to provide a high efficiency and small size solution in portable systems. The TPS61288 has a wide input voltage range from 2 V (2.4 V rising) to 18 V to support applications with single-cell or two-cell Lithium batteries. The device has 15-A switch current capability and is capable of providing an output voltage up to 18 V.

The TPS61288 employs peak current control topology with SOO modulation to regulate the output voltage. The device operates in the pulse width modulation (PWM) mode in moderate to heavy load condition. It automatically runs in the pulse frequency modulation (PFM) mode in light load and low duty cycle condition. SOO modulation realizes accurate regulation over wide load/VIN range while maintaining high efficiency and low output ripple. The switching frequency in the PWM mode is 500 kHz. The TPS61288 provides 19-V output overvoltage protection, cycle-by-cycle overcurrent protection, and thermal shutdown protection.

The TPS61288 is available in a 2.5-mm × 3.0-mm QFN package.

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Technical documentation

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Type Title Date
* Datasheet TPS61288 18-V, 15-A, Fully Integrated Synchronous Boost Converter datasheet (Rev. A) Dec. 08, 2020
User guide TPS61288EVM-064 Evaluation Module User's Guide (Rev. A) Nov. 19, 2020
More literature TPS61288EVM-064 EU Declaration of Conformity (DoC) Jul. 31, 2020

Design & development

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

Hardware development

EVALUATION BOARD Download
75
Description

The TPS61288 is an 18-V, 15-A synchronous boost converter. The TPS61288 integrates two low on resistance power FETs: A 6.5-mΩ switching FET and an 8.5-mΩ rectifier FET.

The wide input voltage ranging from 2.0 V (2.4 V rising) to 18 V supports the typical applications powered by the single-cell Li-ion (...)

Features
  • Input voltage range: 2.0V to 18V
  • Output voltage range: 4.5V to 18V
  • Peak current limit: 15A (min.)
  • 2.5-mm x 3-mm Hotrod package

Design tools & simulation

SIMULATION MODEL Download
SLVMDH8.ZIP (187 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
  • (...)
CALCULATION TOOL Download
SLVRBH4.ZIP (1295 KB)

CAD/CAE symbols

Package Pins Download
VQFN-HR (RQQ) 11 View options

Ordering & quality

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