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DC/DC 轉換器

TPS62184

現行

具有電源良好、1% 準確性和可調式軟啓動的 4 V 至 17 V、6 A 同步降壓轉換器

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產品規格表

TPS62184

現行
產品規格表 立即訂購

產品詳細資料

Rating Catalog Topology Buck Iout (max) (A) 6 Vin (max) (V) 17 Vin (min) (V) 4 Vout (max) (V) 3.5 Vout (min) (V) 0.9 Features Enable, Light Load Efficiency, Output discharge, Power good, Pre-Bias Start-Up, Synchronous Rectification, Tracking Control mode current mode Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.000028 Duty cycle (max) (%) 100
Rating Catalog Topology Buck Iout (max) (A) 6 Vin (max) (V) 17 Vin (min) (V) 4 Vout (max) (V) 3.5 Vout (min) (V) 0.9 Features Enable, Light Load Efficiency, Output discharge, Power good, Pre-Bias Start-Up, Synchronous Rectification, Tracking Control mode current mode Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.000028 Duty cycle (max) (%) 100
DSBGA (YZF) 24 7.3125 mm² (— mm × — mm)
  • Dual Phase Balanced Peak Current Mode
  • Input Voltage Range: 4 V to 17 V
  • Output Voltage:
    • 0.9 V ≤ VOUT ≤ 1.8 V (6A),
    • 1.8 V ≤ VOUT ≤ 2.5 V (5.5A)
    • 2.5 V ≤ VOUT ≤ 3.5 V (5A)
  • Typical Quiescent Current of 28 µA
  • Output Voltage Accuracy of ±1% (PWM Mode)
  • Automatic Efficiency Enhancement (AEE™)
  • Phase Shifted Operation
  • Automatic Power Save Mode
  • Adjustable Soft Start
  • Power Good Output
  • Undervoltage Lockout
  • HICCUP Over Current Protection
  • Over Temperature Protection
  • Pin to Pin Compatible with TPS62180/2
  • NanoFree™ 2.10 mm × 3.10 mm DSBGA Package
  • Dual Phase Balanced Peak Current Mode
  • Input Voltage Range: 4 V to 17 V
  • Output Voltage:
    • 0.9 V ≤ VOUT ≤ 1.8 V (6A),
    • 1.8 V ≤ VOUT ≤ 2.5 V (5.5A)
    • 2.5 V ≤ VOUT ≤ 3.5 V (5A)
  • Typical Quiescent Current of 28 µA
  • Output Voltage Accuracy of ±1% (PWM Mode)
  • Automatic Efficiency Enhancement (AEE™)
  • Phase Shifted Operation
  • Automatic Power Save Mode
  • Adjustable Soft Start
  • Power Good Output
  • Undervoltage Lockout
  • HICCUP Over Current Protection
  • Over Temperature Protection
  • Pin to Pin Compatible with TPS62180/2
  • NanoFree™ 2.10 mm × 3.10 mm DSBGA Package

The TPS62184 is a synchronous dual-phase step-down DC-DC converter for low profile power rails. It operates with two identical, current balanced phases that are peak current controlled enabling use in height limited applications.

With a wide operating input voltage range of 4 V to 17 V, the device is ideally suited for systems powered from multi-cell Li-Ion batteries or 12-V rails. The output current of 6 A is continuously provided by two phases of 3 A each, allowing the use of low profile external components. The phases operate out of phase, reducing switching noise significantly.

The TPS62184 automatically enters Power Save Mode to maintain high efficiency down to very light loads. It also incorporates an Automatic Efficiency Enhancement (AEE™) for the entire duty cycle range.

The device features a Power Good signal, as well as an adjustable soft start. The quiescent current is typically 28 µA, it is able to run in 100% mode, and it has no duty cycle limitation even at lowest output voltage.

The TPS62184 is packaged in a small 24-bump, 0.5 mm pitch DSBGA package.

The TPS62184 is a synchronous dual-phase step-down DC-DC converter for low profile power rails. It operates with two identical, current balanced phases that are peak current controlled enabling use in height limited applications.

With a wide operating input voltage range of 4 V to 17 V, the device is ideally suited for systems powered from multi-cell Li-Ion batteries or 12-V rails. The output current of 6 A is continuously provided by two phases of 3 A each, allowing the use of low profile external components. The phases operate out of phase, reducing switching noise significantly.

The TPS62184 automatically enters Power Save Mode to maintain high efficiency down to very light loads. It also incorporates an Automatic Efficiency Enhancement (AEE™) for the entire duty cycle range.

The device features a Power Good signal, as well as an adjustable soft start. The quiescent current is typically 28 µA, it is able to run in 100% mode, and it has no duty cycle limitation even at lowest output voltage.

The TPS62184 is packaged in a small 24-bump, 0.5 mm pitch DSBGA package.
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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 TPS62184 4-V to 17-V, 6-A, 2-Phase Step-Down Converter with AEE datasheet (Rev. A) PDF | HTML 2015/2/23
選擇指南 Buck Converter Quick Reference Guide (Rev. B) 2021/4/8
類比設計期刊 Methods of output-voltage adjustment for DC/DC converters 2019/6/14
應用說明 Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 2018/12/11
類比設計期刊 Understanding 100% mode in low-power DC/DC converters 2018/6/22
類比設計期刊 Achieving a clean startup by using a DC/DC converter with a precise enable-pin threshold 2017/10/24
應用說明 Sequencing and Tracking With the TPS621-Family and TPS821-Family (Rev. A) 2017/6/28
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 Five steps to a great PCB layout for a step-down converter 2015/1/29
類比設計期刊 Design considerations for a resistive feedback divider in a DC/DC converter 2012/4/26
應用說明 Understanding the Absolute Maximum Ratings of the SW Node (Rev. A) 2012/1/13
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

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

TPS62184EVM-581 — 具自動效率增強功能 (AEE TM) 的 17-V 輸入、6-A 輸出、雙相降壓轉換器

TPS62184EVM-581 (PWR581-002) 可協助評估 TPS62184 6A、2 相位降壓轉換器。  EVM 可在 4V 至 17V 的輸入電壓範圍內，輸出 1.8V 的輸出電壓。  TPS62184 具備自動效率增強 (AEE™) 功能，可在整個負載電流範圍中提供超過 90% 的效率。  這個小型解決方案尺寸 (99 mm²) 和小巧外型，可在平板電腦、固態硬碟 (SSD) 及其他可攜式裝置中實現高密集的電源解決方案。

使用指南: PDF | HTML
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模擬型號

TPS62184 PSpice Transient Model

SLVMAP6.ZIP (114 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

PMP11438 — 將 12V 轉換為 1.2V (負載電流大於 6A) 的三種不同降壓轉換器電路參考設計

PMP11438 是用於比較三種不同電源解決方案的車輛，可在 6-10A 下將 12V 匯流排轉換為 1.2V。1.2V 輸出電壓適用於 DDR4 記憶體應用。每個解決方案在全負載效率、輕負載效率、密度、高度、暫態響應或某些前述組合方面都具備優勢。

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