Product details


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 Duty cycle (Max) (%) 94 Operating temperature range (C) -40 to 125 Rating Catalog open-in-new Find other Boost converters (integrated switch)

Package | Pins | Size

VQFN-HR (RQQ) 11 8 mm² 3 x 2.5 open-in-new Find other Boost converters (integrated switch)


  • 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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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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LM5155 ACTIVE 2.2-MHz wide VIN, 1.5-A MOSFET driver, non-synchronous boost controller Provides higher power than TPS61288

Technical documentation

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Type Title Date
* Data sheet TPS61288 18-V, 15-A, Fully Integrated Synchronous Boost Converter datasheet (Rev. A) Dec. 08, 2020
Application note Measuring and Understanding the Output Voltage Ripple of a Boost Converter Feb. 22, 2021
User guide TPS61288EVM-064 Evaluation Module User's Guide (Rev. A) Nov. 19, 2020
Certificate TPS61288EVM-064 EU Declaration of Conformity (DoC) Jul. 31, 2020
Application note Output Short-Circuit Protection Solution for the TPS61088 Sep. 22, 2016

Design & development

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Hardware development

document-generic User guide

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 (...)

  • 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

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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 (...)
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VQFN-HR (RQQ) 11 View options

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