HT7179 26.8V,15A高效升压转换器(HT7179 26.8V,15A Boost Converter)
●HT7179具有2.7V至25V宽输入电压范围，可为采用单节或两节锂电池，或12V铅酸电池的应用提供支持。该器件具备15A开关电流能力，并且能够提供高达26.8V的输出电压。
●HT7179还支持可编程的软启动，以及可调节的开关峰值电流限制。HT7179还支持两种不同的tr/tf，以适应不同的EMI和效率需求。
●此外，该器件还提供有28V输出过压保护、和热关断保护。
●The HT7179 is a high-power density,asynchronous boost converter with a 20mΩ power switch to provide a high efficiency and small size solution in portable systems.The HT7179 has wide input voltage range from 2.7 V to 25V to support applications with single cell,two cell Lithium batteries and 12V lead-acid batteries.The device has 15A switch current capability and can provide an output voltage up to 26.8V.
●The HT7179also implements a programmable soft-start function and an adjustable switching peak current limit function.HT7179 integrates two modes with different tr/tf to balance different requirements of EMI and efficiency.
●In addition,the device provides 28V output overvoltage protection,and thermal shutdown protection.
●输入电压范围：2.7V-25V
●输出电压范围：最高26.8V
●固定开关频率：350kHz
●可编程峰值电流：最高15A
●高转换效率：
■95% (PVIN = 12V,VOUT=25V,IOUT =2A)
■94% (PVIN = 12V,VOUT=25V,IOUT =4.5A)
■93% (PVIN = 7.2V,VOUT=12V,IOUT =1.5A)
■90% (PVIN = 7.2V,VOUT=12V,IOUT =5A)
■96% (PVIN = 12V,VOUT=18V,IOUT =1.5A)
■95% (PVIN = 12V,VOUT=18V,IOUT =6A)
●低关断功耗，关断电流1uA
●支持两种tr/tf模式，应对EMI挑战
●可编程软启动
●输出过压(28V)、热关断等保护
●ESOP16,QFN3×3.5-20L无铅封装
●Input voltage range:2.7V to 25V
●Output voltage range:upto 26.8V
●Internal Fixed PWM frequency:350kHz
●Programmable switch peak current limit:up to 15A
●High Efficiency
■95% (PVIN = 12V,VOUT=25V,IOUT =2A)
■94% (PVIN = 12V,VOUT=25V,IOUT =4.5A)
■93% (PVIN = 7.2V,VOUT=12V,IOUT =1.5A)
■90% (PVIN = 7.2V,VOUT=12V,IOUT =5A)
■96% (PVIN = 12V,VOUT=18V,IOUT =1.5A)
■95% (PVIN = 12V,VOUT=18V,IOUT =6A)
●1.0μA current consumption during shutdown
●Two modeswith different tr/tf for EMI solution
●Programmable soft start
●Output overvoltage protection (at 28V),thermal shutdown protection
●Pb-free Packages,ESOP16,QFN3×3.5-20L
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HT7179 、 HT7179SPER 、 HT7179SPET 、 HT7179DNR |
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高功率异步升压转换器 、 high-power density, asynchronous boost converter 、 Boost Converter |
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[ 无线音箱 ][ 便携式音箱 ][ 移动电源 ][ 充电设备 ][ USB TYPE-C 电源传输 ][ 拉杆音箱 ][ 平板电脑 ][ 笔记本电脑 ][ POS机终端 ][ Wireless ][ Speakers ][ Portable Speakers ][ Power Bank ][ Chargers ][ Power Interface ][ USB Type-C ][ Thunderbolt ][ POS Terminal ][ Tablet PC ][ Note Book ] |
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Datasheet |
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Please see the document for details |
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QFN3×3.5-20L |
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English Chinese Chinese and English Japanese |
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05/2022 |
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V1.1 |
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576 KB |
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