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AC/DC 和 DC/DC 轉換器 (整合式 FET)

TPS61170

現行

採用 2x2mm QFN 封裝的 1.2A 交換器 38V 高電壓升壓轉換器

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產品規格表

TPS61170

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, Flyback, Forward, SEPIC Type Converter Vin (min) (V) 3 Vin (max) (V) 18 Switching frequency (min) (kHz) 1000 Switching frequency (max) (kHz) 1200 Features Enable, Light Load Efficiency, Nonsynchronous Vout (min) (V) 3 Vout (max) (V) 38 Iq (typ) (µA) 2300 Duty cycle (max) (%) 93 Switch current limit (typ) (A) 1.2
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Boost, Flyback, Forward, SEPIC Type Converter Vin (min) (V) 3 Vin (max) (V) 18 Switching frequency (min) (kHz) 1000 Switching frequency (max) (kHz) 1200 Features Enable, Light Load Efficiency, Nonsynchronous Vout (min) (V) 3 Vout (max) (V) 38 Iq (typ) (µA) 2300 Duty cycle (max) (%) 93 Switch current limit (typ) (A) 1.2
WSON (DRV) 6 4 mm² 2 x 2
  • 3-V to 18-V Input Voltage Range
  • High Output Voltage: Up to 38 V
  • 1.2-A Integrated Switch
  • 1.2-MHz Fixed Switching Frequency
  • 12 V at 300 mA and 24 V at 150 mA From
    5-V Input (Typical)
  • Up to 93% Efficiency
  • Output Voltage Reprogramming
  • Skip-Switching Cycle for Output
    Regulation at Light Load
  • Built-in Soft Start
  • 6-Pin, 2-mm × 2-mm QFN Package
  • 3-V to 18-V Input Voltage Range
  • High Output Voltage: Up to 38 V
  • 1.2-A Integrated Switch
  • 1.2-MHz Fixed Switching Frequency
  • 12 V at 300 mA and 24 V at 150 mA From
    5-V Input (Typical)
  • Up to 93% Efficiency
  • Output Voltage Reprogramming
  • Skip-Switching Cycle for Output
    Regulation at Light Load
  • Built-in Soft Start
  • 6-Pin, 2-mm × 2-mm QFN Package

The TPS61170 is a monolithic, high-voltage switching regulator with integrated 1.2-A, 40-V power MOSFET. The device can be configured in several standard switching-regulator topologies, including boost and SEPIC. The device has a wide input-voltage range to support applications with input voltage from multicell batteries or regulated 5-V, 12-V power rails.

The TPS61170 operates at a 1.2-MHz switching frequency, allowing the use of low-profile inductors and low-value ceramic input and output capacitors. External loop compensation components give the user flexibility to optimize loop compensation and transient response. The device has built-in protection features, such as pulse-by-pulse overcurrent limit, soft start, and thermal shutdown.

The FB pin regulates to a reference voltage of 1.229 V. The reference voltage can be lowered using a 1-wire digital interface (Easyscale™ protocol) through the CTRL pin. Alternatively, a pulse width-modulation (PWM) signal can be applied to the CTRL pin. The duty cycle of the signal reduces the feedback reference voltage proportionally.

The TPS61170 is available in a 6-pin 2-mm × 2-mm QFN package, allowing a compact power-supply solution.

The TPS61170 is a monolithic, high-voltage switching regulator with integrated 1.2-A, 40-V power MOSFET. The device can be configured in several standard switching-regulator topologies, including boost and SEPIC. The device has a wide input-voltage range to support applications with input voltage from multicell batteries or regulated 5-V, 12-V power rails.

The TPS61170 operates at a 1.2-MHz switching frequency, allowing the use of low-profile inductors and low-value ceramic input and output capacitors. External loop compensation components give the user flexibility to optimize loop compensation and transient response. The device has built-in protection features, such as pulse-by-pulse overcurrent limit, soft start, and thermal shutdown.

The FB pin regulates to a reference voltage of 1.229 V. The reference voltage can be lowered using a 1-wire digital interface (Easyscale™ protocol) through the CTRL pin. Alternatively, a pulse width-modulation (PWM) signal can be applied to the CTRL pin. The duty cycle of the signal reduces the feedback reference voltage proportionally.

The TPS61170 is available in a 6-pin 2-mm × 2-mm QFN package, allowing a compact power-supply solution.
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類型 標題 日期
* Data sheet TPS61170 1.2-A High-Voltage Boost Converter in 2-mm x 2-mm2 QFN Package datasheet (Rev. D) PDF | HTML 2014年 12月 18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 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
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 Input Current Limit Solution for USB-Supplied Power System 2017年 8月 3日
Application note Extending the Soft Start Time Without a Soft Start Pin (Rev. B) 2017年 6月 15日
Application note Design of UVLO for LM27313 (Rev. B) 2014年 4月 8日
Analog Design Journal 4Q 2012 Issue Analog Applications Journal 2012年 9月 25日
Analog Design Journal Simple open-circuit protection for boost converters in LED driver applications 2012年 9月 25日
Application note How to Design a Boost Converter With the TPS61170 (Rev. C) 2012年 6月 6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 Load Disconnect for the TPS61170 (Rev. A) 2011年 3月 14日
Application note Description Compensating the Current Mode Boost Control Loop 2010年 12月 9日
Analog Design Journal 3Q 2010 Issue Analog Applications Journal 2010年 8月 11日
Analog Design Journal Coupled inductors broaden DC/DC converter usage 2010年 8月 11日
EVM User's guide TPS61170EVM-280 User's Guide (Rev. C) 2009年 9月 18日
Application note How to Design a SEPIC Converter With the TPS61175 2009年 6月 12日
Analog Design Journal Compensating and measuring the DC/DC converter loop that powers a high-power LED 2008年 10月 22日
Analog Design Journal Designing DC/DC converters based on SEPIC topology 2008年 10月 22日
Analog Design Journal Q4 2008 Issue Analog Applications Journal 2008年 10月 22日
EVM User's guide TPS61170EVM-316 (Rev. A) 2008年 9月 25日
More literature Seminar 400 Topic 1 - Current-Mode Control of Switching Power Supplies 2001年 2月 15日

設計與開發

如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。

開發板

TPS61170EVM-280 — TPS61170 12V 輸入、24V 輸出、0.34A 評估模組

The TPS61170EVM-280 facilitates evaluation of the TPS61170 High Voltage 1.2 A Boost Converter. The TPS61170 is monolithic high voltage switching regulator. It can be operated in several of the standard switching configurations, including boost and SEPIC. The 1.2 A, 40 V high (...)

使用指南: PDF
TI.com 無法提供
開發板

TPS61170EVM-316 — TPS61170EVM-316 評估模組

The TPS61170EVM-316 facilitates evaluation of the TPS61170 1.2A High Voltage Boost Converter in a SEPIC configuration.
使用指南: PDF
TI.com 無法提供
支援軟體

SLVC160 — TPS61170 Design Software

支援產品和硬體

支援產品和硬體

產品
AC/DC 和 DC/DC 轉換器 (整合式 FET)
TPS61170 — 採用 2x2mm QFN 封裝的 1.2A 交換器 38V 高電壓升壓轉換器
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支援軟體

TPS6116XEVM-SW — TPS6116x 評估模組的軟體

The TPS6116xEVM-SW software provides a software interface for the TPS6116x/70 EVM boards. Use this software to change the TPS6116x IC register via the USB Interface Adapter.
下載選項
模擬型號

TPS61170 TINA-TI Transient Reference Design

SLVM230.TSC (416 KB) - TINA-TI Reference Design
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模擬型號

TPS61170 TINA-TI Transient Spice Model

SLVM231.ZIP (55 KB) - TINA-TI Spice Model
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模擬型號

TPS61170 Unencrypted PSPICE Transient Model Package (Rev. A)

SLVM100A.ZIP (33 KB) - PSpice Model
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Gerber 檔案

TPS61170 Gerber Files

SLVC153.ZIP (100 KB)
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參考設計

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This design is a 9.8-GHz wideband, low-phase noise, integrated continuous wave (CW) RF signal generator with versatile spur reduction technique. The output level can be programmed from -32 dBm to 14.5 dBm in 0.5-dB steps. This signal generator can be used as local oscillator for applications, such (...)
Design guide: PDF
電路圖: PDF
參考設計

TIDA-010009 — 適用於伺服驅動器的小巧高效 24-V 輸入輔助電源供應參考設計

This reference design showcases a method to generate power supplies required in a servo or AC drive including the analog and digtal I/O interfaces, encoder supply, isolated transceivers and digital processing block. This design also implements protection against input reverse polarity, output (...)
Design guide: PDF
電路圖: PDF
參考設計

PMP4494 — 具有 200mS 輸出電壓掉電保持時間電路的 5V 至 3.3V 1.2A DC-DC 轉換器參考設計

The PMP4494 is a 5V to 3.3V 1.2A DC-DC converter with a Vout hold-up circuit. The synchronous buck converter LM20242 is used in the design to provide high efficiency for the system voltage. A boost converter TPS61170 boosts an auxiliary rail from 10V up to 20V to provide the backup voltage. A (...)
Test report: PDF
電路圖: PDF
參考設計

TIDA-00231 — 具輸出通道保護的 PLC 類比輸出模組專用適應型電源供應器

TIDA-00231 is a reference design for an industrial Programmable Logic Controller (PLC) analog output module. The design provides a unique power saving solution for a digital-to-analog converter (DAC)-based analog current output module with an adaptive power supply. This adaptive power supply (...)
Design guide: PDF
電路圖: PDF
參考設計

TIDA-00304 — 斷電保持儲能解決方案

This solution stores and delivers "last gasp" energy for systems, such as SSDs, that require functionality for a short time after power loss in order to shut down in a controlled fashion. By storing holdup energy at higher than bus voltage the amount of capacitance can be reduced by up to 80%, (...)
Design guide: PDF
電路圖: PDF
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