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AC/DC & DC/DC converters (integrated FET)

TPS61086

現行

18.5-V、2-A、2-MHz 升壓 DC/DC 轉換器

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產品規格表

TPS61086

現行
產品規格表 立即訂購

產品詳細資料

Vin (min) (V) 2.3 Vin (max) (V) 6 Topology Boost Type Converter Switching frequency (min) (kHz) 900 Switching frequency (max) (kHz) 1500 Features Enable, Light Load Efficiency, Nonsynchronous, Power good Vout (min) (V) 2.8 Vout (max) (V) 18.5 Rating Catalog Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.00007
Vin (min) (V) 2.3 Vin (max) (V) 6 Topology Boost Type Converter Switching frequency (min) (kHz) 900 Switching frequency (max) (kHz) 1500 Features Enable, Light Load Efficiency, Nonsynchronous, Power good Vout (min) (V) 2.8 Vout (max) (V) 18.5 Rating Catalog Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.00007
VSON (DRC) 10 9 mm² 3 x 3
  • 2.3-V to 6.0-V Input Voltage Range
  • 18.5-V Boost Converter With 2.0-A Switch Current
  • 1.2-MHz Switching Frequency
  • Power Save Mode for Improved Efficiency at Low-
    Output Power or Forced PWM
  • Adjustable Soft-Start
  • Thermal Shutdown
  • Undervoltage Lockout
  • 10-Pin VSON Package
  • 2.3-V to 6.0-V Input Voltage Range
  • 18.5-V Boost Converter With 2.0-A Switch Current
  • 1.2-MHz Switching Frequency
  • Power Save Mode for Improved Efficiency at Low-
    Output Power or Forced PWM
  • Adjustable Soft-Start
  • Thermal Shutdown
  • Undervoltage Lockout
  • 10-Pin VSON Package

The TPS61086 device is a high-frequency, high-efficiency DC-to-DC converter with an integrated 2.0-A, 0.13-Ω power switch capable of providing an output voltage up to 18.5 V. The implemented boost converter is based on a fixed frequency of 1.2-MHz, pulse-width-modulation (PWM) controller that allows the use of small external inductors and capacitors and provides fast transient response.

At light-load, the device can operate in Power Save Mode with pulse-frequency-modulation (PFM) to improve the efficiency while keeping a low-output voltage ripple. For very noise-sensitive applications, the device can be forced to PWM Mode operation over the entire load range by pulling the MODE pin high. The external compensation allows optimizing the application for specific conditions. A capacitor connected to the soft-start pin minimizes inrush current at start-up.

The TPS61086 device is a high-frequency, high-efficiency DC-to-DC converter with an integrated 2.0-A, 0.13-Ω power switch capable of providing an output voltage up to 18.5 V. The implemented boost converter is based on a fixed frequency of 1.2-MHz, pulse-width-modulation (PWM) controller that allows the use of small external inductors and capacitors and provides fast transient response.

At light-load, the device can operate in Power Save Mode with pulse-frequency-modulation (PFM) to improve the efficiency while keeping a low-output voltage ripple. For very noise-sensitive applications, the device can be forced to PWM Mode operation over the entire load range by pulling the MODE pin high. The external compensation allows optimizing the application for specific conditions. A capacitor connected to the soft-start pin minimizes inrush current at start-up.
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技術文件

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類型 標題 日期
* Data sheet TPS61086 18.5-V PFM – PWM Step-Up DC – DC Converter With 2.0-A Switch datasheet (Rev. B) PDF | HTML 2015年 7月 16日
Application note QFN and SON PCB Attachment (Rev. C) PDF | HTML 2023年 12月 6日
Application note Basic Calculation of a Boost Converter's Power Stage (Rev. D) PDF | HTML 2022年 10月 28日
Application note Using External Bias to Broaden Input Voltage Range of Boost Converters PDF | HTML 2021年 11月 8日
Application note Negative Input to Negative Output Step-Up Converter Design Using TPS61086 PDF | HTML 2021年 7月 23日
Application note Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 2018年 12月 11日
Application note Charging Supercapacitor Banks from USB Type C Port With Boost Converter 2018年 7月 17日
Application note AN-2020 Thermal Design By Insight, Not Hindsight (Rev. C) 2013年 4月 23日
Application note Low Cost 1W Isolated Power Supply Solution with TPS61085 2012年 6月 26日
Analog Design Journal Design considerations for a resistive feedback divider in a DC/DC converter 2012年 4月 26日
Application note Understanding the Absolute Maximum Ratings of the SW Node (Rev. A) 2012年 1月 13日
Analog Design Journal IQ: What it is, what it isn’t, and how to use it 2011年 6月 17日
User guide TPS61086EVM-526 2009年 10月 5日
Application note Minimizing Ringing at the Switch Node of a Boost Converter 2006年 9月 15日

設計與開發

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開發板

TPS61086EVM-526 — TPS61086EVM-526 評估模組

The TPS61086EVM-526 evaluation module is a fully assembled and tested circuit for evaluating the TPS61086 step-up DC/DC converter. The EVM operates from a 2.3V to 6V input voltage. It generates an output voltage of 12V with a switch current of 2A minimum.
使用指南: PDF
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模擬型號

TPS61086 TINA-TI Transient Reference Design

SLVM360.TSC (853 KB) - TINA-TI Reference Design
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模擬型號

TPS61086 TINA-TI Transient Spice Model

SLVM361.ZIP (28 KB) - TINA-TI Spice Model
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模擬型號

TPS61086 Unencrypted PSpice Transient Model Package (Rev. B)

SLIM136B.ZIP (53 KB) - PSpice Model
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VSON (DRC) 10 檢視選項
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