俺的非隔离型电源模块!升压输出20V/4A,不用变压器!体积小!
俺的非隔离型电源模块!升压输出20V/4A,不用变压器!!!输入为DC9-18V,输出DC20V/4A,效率90%.请大家指正!! 500) {this.resized=true; this.width=500; this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/47/1162814422.jpg?x-oss-process=image/watermark,g_center,image_YXJ0aWNsZS9wdWJsaWMvd2F0ZXJtYXJrLnBuZz94LW9zcy1wcm9jZXNzPWltYWdlL3Jlc2l6ZSxQXzQwCg,t_20');}" onmousewheel="return imgzoom(this);">
全部回复(39)
正序查看
倒序查看
现在还没有回复呢,说说你的想法
@pi-power
7V的那路是100uH20V的是15uH电感不热!
带笔记本的照片
500) {this.resized=true; this.width=500; this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/47/1162962955.jpg');}" onmousewheel="return imgzoom(this);">
500) {this.resized=true; this.width=500; this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/47/1162962987.jpg');}" onmousewheel="return imgzoom(this);">
系统正在启动
500) {this.resized=true; this.width=500; this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/47/1162963046.jpg');}" onmousewheel="return imgzoom(this);">
看清楚了!!!电池可是拿掉了的,技术人员绝对不能打诳语!!
500) {this.resized=true; this.width=500; this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/47/1162963128.jpg');}" onmousewheel="return imgzoom(this);">
已进入系统!!
500) {this.resized=true; this.width=500; this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/47/1162963162.jpg');}" onmousewheel="return imgzoom(this);">
500) {this.resized=true; this.width=500; this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/47/1162962955.jpg');}" onmousewheel="return imgzoom(this);">
500) {this.resized=true; this.width=500; this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/47/1162962987.jpg');}" onmousewheel="return imgzoom(this);">
系统正在启动
500) {this.resized=true; this.width=500; this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/47/1162963046.jpg');}" onmousewheel="return imgzoom(this);">
看清楚了!!!电池可是拿掉了的,技术人员绝对不能打诳语!!
500) {this.resized=true; this.width=500; this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/47/1162963128.jpg');}" onmousewheel="return imgzoom(this);">
已进入系统!!
500) {this.resized=true; this.width=500; this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/47/1162963162.jpg');}" onmousewheel="return imgzoom(this);">
0
回复
提示
@pi-power
带笔记本的照片[图片]500){this.resized=true;this.width=500;this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/47/1162962955.jpg');}"onmousewheel="returnimgzoom(this);">[图片]500){this.resized=true;this.width=500;this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/47/1162962987.jpg');}"onmousewheel="returnimgzoom(this);">系统正在启动[图片]500){this.resized=true;this.width=500;this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/47/1162963046.jpg');}"onmousewheel="returnimgzoom(this);">看清楚了!!!电池可是拿掉了的,技术人员绝对不能打诳语!![图片]500){this.resized=true;this.width=500;this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/47/1162963128.jpg');}"onmousewheel="returnimgzoom(this);">已进入系统!![图片]500){this.resized=true;this.width=500;this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/47/1162963162.jpg');}"onmousewheel="returnimgzoom(this);">
大家觉得怎么样??
0
回复
提示
老兄 我设计了一个电路 第一次搞电源的 请赐教
给点意见 指导指导 先谢谢你啦
lwy135@21cn.com qq:631269000
500) {this.resized=true; this.width=500; this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/47/1164739360.gif');}" onmousewheel="return imgzoom(this);">
tny268_datasheet:1164739555.pdf
lm2940_datasheet:1164739681.pdf
给点意见 指导指导 先谢谢你啦
lwy135@21cn.com qq:631269000
500) {this.resized=true; this.width=500; this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/47/1164739360.gif');}" onmousewheel="return imgzoom(this);">
tny268_datasheet:1164739555.pdf
lm2940_datasheet:1164739681.pdf
0
回复
提示
新的模块方案:
DC12V TO 5V/20A方案样板 体积:50*30*14
500) {this.resized=true; this.width=500; this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/47/1164807544.gif');}" onmousewheel="return imgzoom(this);">
DC12V TO 5V/10A方案样板 体积:50*30*14
500) {this.resized=true; this.width=500; this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/47/1164807861.gif');}" onmousewheel="return imgzoom(this);">
DC12V TO 12V/3A 7V/3A方案样板 体积:58*50*14 半砖左右
500) {this.resized=true; this.width=500; this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/47/1164808002.gif');}" onmousewheel="return imgzoom(this);">
DC12V TO 24V/6A方案样板 体积:50*30*14
500) {this.resized=true; this.width=500; this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/47/1164808090.gif');}" onmousewheel="return imgzoom(this);">
请大家关注!!
DC12V TO 5V/20A方案样板 体积:50*30*14
500) {this.resized=true; this.width=500; this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/47/1164807544.gif');}" onmousewheel="return imgzoom(this);">
DC12V TO 5V/10A方案样板 体积:50*30*14
500) {this.resized=true; this.width=500; this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/47/1164807861.gif');}" onmousewheel="return imgzoom(this);">
DC12V TO 12V/3A 7V/3A方案样板 体积:58*50*14 半砖左右
500) {this.resized=true; this.width=500; this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/47/1164808002.gif');}" onmousewheel="return imgzoom(this);">
DC12V TO 24V/6A方案样板 体积:50*30*14
500) {this.resized=true; this.width=500; this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/47/1164808090.gif');}" onmousewheel="return imgzoom(this);">
请大家关注!!
0
回复
提示
@pi-power
新的模块方案:DC12VTO5V/20A方案样板 体积:50*30*14[图片]500){this.resized=true;this.width=500;this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/47/1164807544.gif');}"onmousewheel="returnimgzoom(this);">DC12VTO5V/10A方案样板 体积:50*30*14[图片]500){this.resized=true;this.width=500;this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/47/1164807861.gif');}"onmousewheel="returnimgzoom(this);">DC12VTO12V/3A7V/3A方案样板 体积:58*50*14半砖左右[图片]500){this.resized=true;this.width=500;this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/47/1164808002.gif');}"onmousewheel="returnimgzoom(this);">DC12VTO24V/6A方案样板体积:50*30*14[图片]500){this.resized=true;this.width=500;this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/47/1164808090.gif');}"onmousewheel="returnimgzoom(this);">请大家关注!!
500) {this.resized=true; this.width=500; this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/47/1164882195.jpg');}" onmousewheel="return imgzoom(this);">
SM8002是电流模式PWM离线式开关电源电路,它待机功耗小,具有过流保护功能和欠压保护功能,在系统短路情况下芯片内部定时电路开始工作让总个系统工作在“打嗝"模式,同时监测系统工作状态,直到系统正常工作,开关频率为100KHZ,在实际过程中为了降低总个系统的EMI,芯片会在+-2KHZ范围内自动调整开关频率
此IC外围元件少,成本低 适用于DVD电源充电器电源等 联系13632536608
SM8002是电流模式PWM离线式开关电源电路,它待机功耗小,具有过流保护功能和欠压保护功能,在系统短路情况下芯片内部定时电路开始工作让总个系统工作在“打嗝"模式,同时监测系统工作状态,直到系统正常工作,开关频率为100KHZ,在实际过程中为了降低总个系统的EMI,芯片会在+-2KHZ范围内自动调整开关频率
此IC外围元件少,成本低 适用于DVD电源充电器电源等 联系13632536608
0
回复
提示
@pi-power
新的模块方案:DC12VTO5V/20A方案样板 体积:50*30*14[图片]500){this.resized=true;this.width=500;this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/47/1164807544.gif');}"onmousewheel="returnimgzoom(this);">DC12VTO5V/10A方案样板 体积:50*30*14[图片]500){this.resized=true;this.width=500;this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/47/1164807861.gif');}"onmousewheel="returnimgzoom(this);">DC12VTO12V/3A7V/3A方案样板 体积:58*50*14半砖左右[图片]500){this.resized=true;this.width=500;this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/47/1164808002.gif');}"onmousewheel="returnimgzoom(this);">DC12VTO24V/6A方案样板体积:50*30*14[图片]500){this.resized=true;this.width=500;this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/47/1164808090.gif');}"onmousewheel="returnimgzoom(this);">请大家关注!!
大家看看实际的样板
500) {this.resized=true; this.width=500; this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/48/1165338298.jpg');}" onmousewheel="return imgzoom(this);">
左边是30*50MM 的DCDC模块
参数为 DC7-18V输入 16V/3A输出 纹波50mV
左边是33*77MM 的DCDC模块
参数为 DC7-18V输入 16V/3A+5V/3A输出 纹波50mV
500) {this.resized=true; this.width=500; this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/48/1165338298.jpg');}" onmousewheel="return imgzoom(this);">
左边是30*50MM 的DCDC模块
参数为 DC7-18V输入 16V/3A输出 纹波50mV
左边是33*77MM 的DCDC模块
参数为 DC7-18V输入 16V/3A+5V/3A输出 纹波50mV
0
回复
提示
@pi-power
大家看看实际的样板[图片]500){this.resized=true;this.width=500;this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/48/1165338298.jpg');}"onmousewheel="returnimgzoom(this);">左边是30*50MM的DCDC模块参数为DC7-18V输入16V/3A输出纹波50mV左边是33*77MM的DCDC模块参数为DC7-18V输入16V/3A+5V/3A输出纹波50mV
30*50MM 的DCDC模块
DC7-18V输入 5V/10A输出 纹波30mV
500) {this.resized=true; this.width=500; this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/48/1165488152.gif');}" onmousewheel="return imgzoom(this);">
DC7-18V输入 5V/10A输出 纹波30mV
500) {this.resized=true; this.width=500; this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/48/1165488152.gif');}" onmousewheel="return imgzoom(this);">
0
回复
提示
@pi-power
30*50MM的DCDC模块DC7-18V输入5V/10A输出纹波30mV[图片]500){this.resized=true;this.width=500;this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/48/1165488152.gif');}"onmousewheel="returnimgzoom(this);">
DC12TO5V/3A 效率95% 体积20X26X7.5MM
500) {this.resized=true; this.width=500; this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/48/1165938988.jpg');}" onmousewheel="return imgzoom(this);">
500) {this.resized=true; this.width=500; this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/48/1165938988.jpg');}" onmousewheel="return imgzoom(this);">
0
回复
提示