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TPS82084

現行

具備整合式電感器的 2-A、高效率降壓轉換器模組

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TPSM82822 現行 具有整合式電感器、採用 2 x 2.5 x 1.1 mm μSIP 封裝的 5.5V 輸入、2A 降壓模組 Smaller BOM size module alternative.

產品詳細資料

Rating Catalog Topology Buck, Synchronous Buck Iout (max) (A) 2 Vin (max) (V) 6 Vin (min) (V) 2.5 Vout (max) (V) 6 Vout (min) (V) 0.8 Features EMI Tested, Enable, Light Load Efficiency, Output discharge, Power good Operating temperature range (°C) -40 to 125 Type Module Duty cycle (max) (%) 100 Control mode Constant on-time (COT), DCS-Control Switching frequency (min) (kHz) 2000 Switching frequency (max) (kHz) 2600
Rating Catalog Topology Buck, Synchronous Buck Iout (max) (A) 2 Vin (max) (V) 6 Vin (min) (V) 2.5 Vout (max) (V) 6 Vout (min) (V) 0.8 Features EMI Tested, Enable, Light Load Efficiency, Output discharge, Power good Operating temperature range (°C) -40 to 125 Type Module Duty cycle (max) (%) 100 Control mode Constant on-time (COT), DCS-Control Switching frequency (min) (kHz) 2000 Switching frequency (max) (kHz) 2600
USIP (SIL) 8 See data sheet
  • Low Profile MicroSiP™ Power Module
  • DCS-control topology
  • Up to 95% efficiency
  • 17-µA operating quiescent current
  • -40°C to 125°C operating temperature range
  • Hiccup short circuit protection
  • 2.5-V to 6-V input voltage range
  • 0.8-V to VIN adjustable output voltage
  • Power save mode for light load efficiency
  • 100% duty cycle for lowest dropout
  • Output discharge function
  • Power good output
  • Integrated soft startup, and support pre-biased startup
  • Over temperature protection
  • CISPR11 class B compliant
  • 2.8-mm x 3.0-mm x 1.3-mm 8-Pin µSiL package
  • Low Profile MicroSiP™ Power Module
  • DCS-control topology
  • Up to 95% efficiency
  • 17-µA operating quiescent current
  • -40°C to 125°C operating temperature range
  • Hiccup short circuit protection
  • 2.5-V to 6-V input voltage range
  • 0.8-V to VIN adjustable output voltage
  • Power save mode for light load efficiency
  • 100% duty cycle for lowest dropout
  • Output discharge function
  • Power good output
  • Integrated soft startup, and support pre-biased startup
  • Over temperature protection
  • CISPR11 class B compliant
  • 2.8-mm x 3.0-mm x 1.3-mm 8-Pin µSiL package

The TPS82084/5 are 2-A/3-A step-down converter MicroSiP™ modules optimized for small solution size and high efficiency. The power module integrates a synchronous step-down converter and an inductor to simplify design, reduce external components and save PCB area. The low profile and compact solution is suitable for automated assembly by standard surface mount equipment.

To maximize efficiency, the converter operates in PWM mode with a nominal switching frequency of 2.4MHz and automatically enters Power Save Mode operation at light load currents. In Power Save Mode, the device operates with typically 17-µA quiescent current. Using the DCS-Control topology, the device achieves excellent load transient performance and accurate output voltage regulation. The EN and PG pins, which support sequencing configurations, bring a flexible system design. An integrated soft startup reduces the inrush current required from the input supply. Over temperature protection and Hiccup short circuit protection deliver a robust and reliable solution.

The TPS82084/5 are 2-A/3-A step-down converter MicroSiP™ modules optimized for small solution size and high efficiency. The power module integrates a synchronous step-down converter and an inductor to simplify design, reduce external components and save PCB area. The low profile and compact solution is suitable for automated assembly by standard surface mount equipment.

To maximize efficiency, the converter operates in PWM mode with a nominal switching frequency of 2.4MHz and automatically enters Power Save Mode operation at light load currents. In Power Save Mode, the device operates with typically 17-µA quiescent current. Using the DCS-Control topology, the device achieves excellent load transient performance and accurate output voltage regulation. The EN and PG pins, which support sequencing configurations, bring a flexible system design. An integrated soft startup reduces the inrush current required from the input supply. Over temperature protection and Hiccup short circuit protection deliver a robust and reliable solution.

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TPS82085 現行 具整合式電感器的 3A、高效降壓轉換器模組 Drop-in alternative with higher output current.

技術文件

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重要文件 類型 標題 格式選項 下載最新的英文版本 日期
* 資料表 TPS82084 (2-A) / TPS82085 (3-A) High Efficiency Step-Down Converter MicroSiP Modules with Integrated Inductor datasheet (Rev. D) PDF | HTML 2019/6/4
應用說明 Quick Reference Guide To TI Buck Switching DC/DC Application Notes (Rev. B) PDF | HTML 2022/5/23
選擇指南 Innovative DC/DC Power Modules Selection Guide (Rev. D) 2021/10/14
使用指南 Manufacturing and Rework Design Guide for MicroSiP™ Power Modules (Rev. A) PDF | HTML 2021/6/16
白皮書 Enabling Higher Data Rates for Optical Modules With Small and Efficient Power PDF | HTML 2021/3/22
類比設計期刊 Methods of output-voltage adjustment for DC/DC converters 2019/6/14
類比設計期刊 Understanding 100% mode in low-power DC/DC converters 2018/6/22
應用說明 An Efficient LDO-less Power Supply Solution for AFE76xx 2017/11/13
白皮書 Benefits and trade-offs of various power-module package options 2017/8/2
類比設計期刊 Improving the thermal performance of a MicroSiP(TM) power module 2017/7/24
應用說明 Extending the Soft Start Time Without a Soft Start Pin (Rev. B) 2017/6/15
類比設計期刊 Testing tips for applying external power to supply outputs without an input voltage 2016/10/24
類比設計期刊 Adjusting the soft-start time of an integrated power module 2016/4/26
白皮書 SiP Power Modules White Paper 2016/1/26
類比設計期刊 Understanding frequency variation in the DCS-Control(TM) topology 2015/10/30
類比設計期刊 High-efficiency, low-ripple DCS-Control offers seamless PWM/pwr-save transitions 2013/7/25
應用說明 Choosing an Appropriate Pull-up/Pull-down Resistor for Open Drain Outputs 2011/9/19
類比設計期刊 IQ: What it is, what it isn’t, and how to use it 2011/6/17

設計與開發

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開發板

TPS82084EVM-672 — 具有整合式電感器的 2-A 降壓轉換器評估模組

TPS82084EVM-672 旨在協助使用者輕鬆評估和測試 TPS82084 的運作和功能。EVM 可在高達 2A 的輸出電流下,將高達 6V 的輸入電壓轉換成 1.2V 的穩壓輸出電壓。TPS82084 包含 IC 與電感器,可實現 35 mm² 的整體解決方案尺寸。

使用指南: PDF
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模擬型號

TPS82084 PSpice Unencrypted Transient Model (Rev. A)

SLVMB39A.ZIP (104 KB) - PSpice 模型
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計算工具

SLVC780 — Design Tool for Output Voltage Adjustment Using a DAC

Calculator tool to adjust the power supply's output voltage with an analog input voltage
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參考設計

TIDA-010011 — 用於保護繼電器處理器模組的高效電源供應架構參考設計

此參考設計展示各種電源架構,可為需要 >1A 負載電流和高效率的應用處理器模組產生多重電壓軌。所需的電源是使用來自背板的 5、12 或 24-V DC 輸入所產生。電源供應器是使用配備整合式 FET 的 DC-DC 轉換器,以及具尺寸整合式電感器的電源模組所產生。此設計採用 HotRod™ 封裝類型,適合需要低 EMI 的應用。此外也最適合設計時間有限的應用。其他功能包括 DDR 終端穩壓器、輸入電源 OR-ing、電壓序列、用於過載保護的 eFuse,以及電壓和負載電流監控。此設計可搭配處理器、數位訊號處理器以及現場可編程邏輯閘陣列使用。已通過輻射發射測試,符合 A 類和 B 要求的 (...)
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參考設計

TIDA-01051 — 針對自動測試設備最佳化 FPGA 利用率和數據處理能力的參考設計

TIDA-01051 參考設計用於展示極高通道數資料擷取 (DAQ) 系統(例如自動測試設備 ATE 中使用的系統)在通道密度、整合度、功耗、時脈分配及訊號鏈效能方面的最佳化成果。透過使用串聯器(例如 TI 的 DS90C383B),將多個同時取樣的 ADC 輸出合併為數條 LVDS 線路,可大幅減少主控 FPGA 所需處理的針腳數量。  因此,單一 FPGA 可處理的 DAQ 通道數量將大幅增加,同時大幅簡化電路板佈線的複雜度。
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封裝 針腳 CAD 符號、佔位空間與 3D 模型
USIP (SIL) 8 Ultra Librarian

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