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TPS61288

ACTIVE

18V, 15A synch boost converter

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Data sheet

TPS61288

ACTIVE
Data sheet Order now

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
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
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  • 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 with HotRod™ Lite option
  • 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 with HotRod™ Lite option
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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.

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
* Data sheet TPS61288 18-V, 15-A, Fully Integrated Synchronous Boost Converter datasheet (Rev. B) 06 Dec 2021
Application note Using External Bias to Broaden Input Voltage Range of Boost Converters 08 Nov 2021
Application note Measuring and Understanding the Output Voltage Ripple of a Boost Converter 22 Feb 2021
User guide TPS61288EVM-064 Evaluation Module User's Guide (Rev. A) 19 Nov 2020
Certificate TPS61288EVM-064 EU Declaration of Conformity (DoC) 31 Jul 2020
Application note Output Short-Circuit Protection Solution for the TPS61088 22 Sep 2016

Design & development

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Evaluation board

TPS61288EVM-064 — Evaluation module for TPS61288 18 V, 15-A switch current synch boost

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 (...)

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Simulation model

TPS61288 PSPICE Model

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Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

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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Calculation tool

TPS61288 Design Calculation V1.0

SLVRBH4.ZIP (1295 KB)
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Package Pins Download
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