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AC/DC 和 DC/DC 轉換器 (整合式 FET)

TPS61070

現行

採用 ThinSOT-23 與省電模式的可調式 600-mA 開關、1200-kHz 升壓轉換器

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產品規格表

TPS61070

現行
產品規格表 立即訂購

產品詳細資料

Rating Catalog Operating temperature range (°C) -40 to 125 Topology Boost Type Converter Vin (min) (V) 0.9 Vin (max) (V) 5.5 Switching frequency (min) (kHz) 960 Switching frequency (max) (kHz) 1440 Features Load Disconnect, Synchronous Rectification Vout (min) (V) 1.8 Vout (max) (V) 5.5 Iq (typ) (A) 0.000019
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Boost Type Converter Vin (min) (V) 0.9 Vin (max) (V) 5.5 Switching frequency (min) (kHz) 960 Switching frequency (max) (kHz) 1440 Features Load Disconnect, Synchronous Rectification Vout (min) (V) 1.8 Vout (max) (V) 5.5 Iq (typ) (A) 0.000019
SOT-23-THN (DDC) 6 8.12 mm² 2.9 x 2.8
  • 90% Efficient Synchronous Boost Converter
    • 75-mA Output Current at 3.3 V From 0.9-V
      Input
    • 150-mA Output Current at 3.3 V From 1.8-V
      Input
  • Device Quiescent Current: 19 µA (Typ)
  • Input Voltage Range: 0.9 V to 5.5 V
  • Adjustable Output Voltage Up to 5.5 V
  • Power-Save Mode Version Available for
    Improved Efficiency at Low Output Power
  • Load Disconnect During Shutdown
  • Overtemperature Protection
  • Small 6-Pin Thin SOT23 Package
  • 90% Efficient Synchronous Boost Converter
    • 75-mA Output Current at 3.3 V From 0.9-V
      Input
    • 150-mA Output Current at 3.3 V From 1.8-V
      Input
  • Device Quiescent Current: 19 µA (Typ)
  • Input Voltage Range: 0.9 V to 5.5 V
  • Adjustable Output Voltage Up to 5.5 V
  • Power-Save Mode Version Available for
    Improved Efficiency at Low Output Power
  • Load Disconnect During Shutdown
  • Overtemperature Protection
  • Small 6-Pin Thin SOT23 Package

The TPS6107x devices provide a power supply solution for products powered by either a one-cell, two-cell, or three-cell alkaline, NiCd or NiMH, or one-cell Li-ion or Li-polymer battery. Output currents can go as high as 75 mA while using a single-cell alkaline, and discharge it down to 0.9 V. It can also be used for generating 5 V at 200 mA from a 3.3-V rail or a Li-ion battery. The boost converter is based on a fixed frequency, pulse-width-modulation (PWM) controller using a synchronous rectifier to obtain maximum efficiency. At low load currents the TPS61070 and TPS61073 enter the power-save mode to maintain a high efficiency over a wide load current range. The power-save mode is disabled in the TPS61071 and TPS61072, forcing the converters to operate at a fixed switching frequency. The maximum peak current in the boost switch is typically limited to a value of 600 mA.

The TPS6107x output voltage is programmed by an external resistor divider. The converter can be disabled to minimize battery drain. During shutdown, the load is completely disconnected from the battery. The device is packaged in a 6-pin thin SOT23 package (DDC).

For all available packages, see the orderable addendum at the end of the datasheet.

The TPS6107x devices provide a power supply solution for products powered by either a one-cell, two-cell, or three-cell alkaline, NiCd or NiMH, or one-cell Li-ion or Li-polymer battery. Output currents can go as high as 75 mA while using a single-cell alkaline, and discharge it down to 0.9 V. It can also be used for generating 5 V at 200 mA from a 3.3-V rail or a Li-ion battery. The boost converter is based on a fixed frequency, pulse-width-modulation (PWM) controller using a synchronous rectifier to obtain maximum efficiency. At low load currents the TPS61070 and TPS61073 enter the power-save mode to maintain a high efficiency over a wide load current range. The power-save mode is disabled in the TPS61071 and TPS61072, forcing the converters to operate at a fixed switching frequency. The maximum peak current in the boost switch is typically limited to a value of 600 mA.

The TPS6107x output voltage is programmed by an external resistor divider. The converter can be disabled to minimize battery drain. During shutdown, the load is completely disconnected from the battery. The device is packaged in a 6-pin thin SOT23 package (DDC).

For all available packages, see the orderable addendum at the end of the datasheet.
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類型 標題 日期
* Data sheet TPS6107x 90% Efficient Synchronous Boost Converter With 600-mA Switch datasheet (Rev. E) PDF | HTML 2015年 3月 25日
Application note Basic Calculation of a Boost Converter's Power Stage (Rev. D) PDF | HTML 2022年 10月 28日
Application note Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 2018年 12月 11日
Selection guide Power Management Guide 2018 (Rev. R) 2018年 6月 25日
Application note Optimizing Transient Response of Internally Compensated DC-DC Converters (Rev. B) 2017年 11月 29日
Application note Extending the Soft Start Time Without a Soft Start Pin (Rev. B) 2017年 6月 15日
Application note Five Steps to a Good PCB Layout of the Boost Converter PDF | HTML 2016年 5月 3日
Analog Design Journal Accurately measuring efficiency of ultralow-IQ devices 2014年 1月 22日
Analog Design Journal 2Q 2012 Issue Analog Applications Journal 2012年 4月 26日
Analog Design Journal Design considerations for a resistive feedback divider in a DC/DC converter 2012年 4月 26日
Analog Design Journal IQ: What it is, what it isn’t, and how to use it 2011年 6月 17日
Application note TPS61020 Boost Converter Start-Up and Precharge 2010年 1月 28日
Application note Minimizing Ringing at the Switch Node of a Boost Converter 2006年 9月 15日
Application note Reducing Output Ripple Voltage of TPS61070 2005年 6月 7日
Application note Single-cell Battery Discharge Characteristics Using the TPS61070 Boost Converter 2004年 8月 24日

設計與開發

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開發板

TPS61070EVM-062 — TPS61070 評估模組

The TPS61070EVM-062 is an evaluation tool for the TPS61070 inductive step-up converter IC. The TPS61070 integrated boost converter can supply voltages up to 5.5V from an input of 0.9-V to 5.5-V and is packaged in a 6-pin thin SOT23. The TPS61070EVM-062 is set up to provide a 5-V output. By (...)

使用指南: PDF
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模擬型號

Unencrypted TPS61070 PSpice Transient Model Package (Rev. B)

SLVMB37B.ZIP (71 KB) - PSpice Model
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Gerber 檔案

Gerber Files for TPS61070EVM

SLVC129.ZIP (86 KB)
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參考設計

TIDA-01236 — 可延長無線超音波氣漏偵測器中的鈕釦芯電池運作時間的參考設計

This reference design demonstrates a low-power wireless sensor which detects gas leaks by analyzing the ultrasonic spectrum for particular signatures. The system is designed to operate from a single Li-Primary coin cell and communicate wirelessly to a base station, which removes all requirements (...)
Design guide: PDF
電路圖: PDF
參考設計

PMP8523 — 5.0V @ 70mA 升壓轉換器

This design is a boost converter which delivers an output voltage of 5.0V @ 70mA at an input of 3.3V. PMP8523 was designed to fit industrial applications.
Test report: PDF
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SOT-23-THN (DDC) 6 檢視選項
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