基于ACT8937设计的高效7路DC电源技术
the act8937 is a complete, cost effective, highlyefficient activepmutm power management solution, optimized for the unique power, voltagesequencing, and control requirements of the samsung s5pc100, s5pc110 and s5pv210 processors.
the act8937 is available in a compact, pb-free and rohs-compliant tqfn55-40 package.
this device features three step-down dc/dc converters and four low-noise, low-dropout linear regulators, along with a complete battery charging solution featuring the advanced activepathtm system-power selection function.
the three dc/dc converters utilize a highefficiency, fixed-frequency (2mhz), current-mode pwm control architecture that requires a minimum number of external components. two dc/dcs are capable of supplying up to 900ma of output current, while the third supports up to 700ma. all four lowdropout linear regulators are high-performance, low-noise, regulators that supply up to 150ma, 150ma, 250ma, and 250ma, respectively.
act8937主要特性：
• optimized for samsung s5pc100, s5pc110 and s5pv210 processors
• three step-down dc/dc converters
• four low-dropout linear regulators
• integrated activepathtm charger
• i2ctm serial interface
• advanced enable/disable sequencing controller
• minimal external components
• tiny 5×5mm tqfn55-40 package
− 0.75mm package height
− pb-free and rohs compliant
图1。act8937功能方框图
图2。act8937典型应用框图
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意法半导体关于传感器、微控制器和电源管理等的整体解决方案
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the act8937 is available in a compact, pb-free and rohs-compliant tqfn55-40 package.
this device features three step-down dc/dc converters and four low-noise, low-dropout linear regulators, along with a complete battery charging solution featuring the advanced activepathtm system-power selection function.
the three dc/dc converters utilize a highefficiency, fixed-frequency (2mhz), current-mode pwm control architecture that requires a minimum number of external components. two dc/dcs are capable of supplying up to 900ma of output current, while the third supports up to 700ma. all four lowdropout linear regulators are high-performance, low-noise, regulators that supply up to 150ma, 150ma, 250ma, and 250ma, respectively.
act8937主要特性：
• optimized for samsung s5pc100, s5pc110 and s5pv210 processors
• three step-down dc/dc converters
• four low-dropout linear regulators
• integrated activepathtm charger
• i2ctm serial interface
• advanced enable/disable sequencing controller
• minimal external components
• tiny 5×5mm tqfn55-40 package
− 0.75mm package height
− pb-free and rohs compliant
图1。act8937功能方框图
图2。act8937典型应用框图
日亚赢得亿光电子专利的诉讼
意法半导体关于传感器、微控制器和电源管理等的整体解决方案
紫外线杀菌炉是什么，它的应用优势是什么
第一场梦客烩：三段有料的VR电影创作经验之谈沙龙回顾
过零检测电路
基于ACT8937设计的高效7路DC电源技术
便携式医疗电子设备SoC的重要性
RF DAC如何支持新的通信系统
华为智能电视计划曝光 6个月将推向市场
苹果 iOS 12.4.9 推送：iPhone 6/Plus 等旧机型可升级
瑞萨电子推出低成本目标板以支持快速增长的RX系列32位MCU产品线
太阳能电池阵列模拟器对逆变器进行测试
电机驱动电路之H桥基本知识---Trinamic电机驱动芯片
Atmel为基于ARM7的可定制微控制器推出入门级开发工具包
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JBLT205半入耳式便携耳机评测 听感相当顺滑
盛思锐亮相2016深圳国际智能家居&智能硬件博览会
医疗传感器有哪些_磁传感器在医疗健康领域中的应用
在线实时监测离子风机的功能
智能手表市场的高需求；阿里云发布ET工业大脑开放平台