德普微电子无外置电阻16通道PWM恒流驱动DP3265I，适用于间距P0.9及以上LED显示屏
德普微电子发布了行业首创产品——DP3265I，一款无外置电阻16通道PWM恒流驱动，适用于间距P0.9及以上的LED显示屏。
DP3265I创造性地采用了无外置电阻设计，在进一步增加电流精度、减少因PCB布局不合理出现问题、提高显示效果的同时，可有效帮助显示屏厂商节省物料采购成本，提升新品研发调试效率。
产品概述
一款专为LED显示屏设计的低转折无外置电阻PWM恒流驱动
集成高精度电流产生电路技术，电流精度可达±1.5%，无需分档
白平衡调节无需外置电阻，减少采购物料，降低使用成本
新产品研发调试，无需焊接和更换RGB电阻，显著提高效率
有效减少因PCB布局不合理导致的固定位置偏色等问题
低静态功耗输出10mA电流时，VCC电流5mA，黑屏电流2mA
集成多种提升LED显示效果的独家技术
产品亮点
红框处是外置电阻位置，常规方案是每一颗芯片配一个电阻，屏厂在调试白平衡时，可能需要上百种规格的电阻值；采用3265I后，外置电阻位置直接悬空，大幅节约人力和物力。
基于5万颗样品测试，小电流误差为±1.5%，大电流误差为±1.0%
有效改善高对比耦合
有效消除文字鬼影
显示效果对比，左边红框内屏幕搭载3265I，灰度等级高，更加清晰
应用方案
应用框图
工程屏电流参数可固化在控制卡内渠道和批发模组配置储存在DP245F中，或校正数据的FLASH中。
控制卡程序
工厂调试版本：输入密码后，通过调整电阻值大小、拉动电流增益，任意配置电流。
客户端版本：通过拉动电流增益来调整亮度。
产品详情
产品特点
●无外置电阻
●扫描范围：1扫～64扫
●工作电源范围：3.5V～5.5V
●恒流输出范围：
0.5mA～18.6mA@VDS=0.3V
1mA～31mA@VDS=0.6V
IOUT=IGAIN*18.6/Rext
●芯片间电流误差：
±0.7%（典型值） ±1.5%（最大值）@VDS=0.3V
±1.0%（典型值） ±1.5%（最大值）@VDS=0.6V
●通道间电流误差：
±1.0%（典型值）±1.5%（最大值）@VDS=0.3V
±0.7%（典型值）±1.5%（最大值）@VDS=0.6V
●高灰独立显示，高显示刷新率
●改善低灰色块、第一行偏暗、下鬼影、高低灰耦合、跨板耦合等显示不良
●集成PLL产生GCLK，与外置GCLK相比，频率范围更宽，且EMI更低
●ESD（HBM）≥8KV
产品封装
芯片框图
恒流输出
低转折模式，VDD=3.5V时，IOUT与VOUT关系曲线
正常模式，VDD=3.5V时，IOUT与VOUT关系曲线
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本文由玉鹤甘茗转载自德普微电子公众号，原文标题为:新品发布 | DP3265I 无外置电阻 16通道 PWM恒流驱动，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。
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描述- Luckylight offers a full range of 7-segment displays, surface mount 7-segment displays, dot matrix, LED backlight and LED Display Module etc.
型号- KW4-361AGA,KW4-S471ARA,KWM-S20881CRA,KWA-393AGA-G5,KW1-S402ARA,KW4-521AGA,KWA-393AGA,KWA4-542ABA,KW2-S391CAA,KW4-S391ARA,KW4-306CBA,KW4-281AGA,KW4-402CWA,KW3-S563CGA-G5,KW2-56BAWA,KW4-311CWA-Y,KWE-501AWA,KWM-R3711ABA,KW1-1501CBA,KW1-S511ABA,KWB-R3912-1W,KWA-S401AWA,KWA4-S392AAA,KWA3-391ARA,KWM-30581CBA,KW1-S281AGA,KWA3-541CRA,KW2-502CGA-G5,KW1-S402CWA,KW4-39DAGA-G5,KWM-30881AWA,KW4-S391CWA,KW4-361AGA-G5,KW2-301CWA-Y,KW3-561AAA,KW4-402ARA,KWA4-542AAA,KW2-S391CBA,KW3-361CGA-G5,KW4-39DCAA,KW1-S202AAA,KWL-R1210GA,KW1-S511CGA,KW2-S201CRA,KWL-R1025BA,KW2-S563CAA,KW1-361CBA,KW5-401CRA,KWA4-S392ABA,KW1-521CBA,KW1-521AGA-G5,KWM-50881AGA,KWM-R3711CGA,KW1-1501CAA,KW4-S202CBA,KW5-561AGB-G5,KW4-561AWA,KWA2-S401CGA-G5,KWM-20881AAA,KW3-561AGA-G5,KWA3-S401AGA-G5,KW2-561CGA-G5,KW3-801CBA,KW4-S281AGA,KW2-802AGB,KW3-561ABA,KW1-S202CBA,KW4-S301AGA-G5,KW1-361CAA,KW1-561CRA,KWL-R1025AA,KW2-S563CBA,KW4-S563ARA,KW1-521AAA,KWE-251ARA,KW1-391CRA,KW4-306CGA-G5,KWM-R30881CBA,KWA-801CWA,KW2-S303CRA,KW3-S401AGA,KW1-801CWA,KWM-20881CBA,KW4-S202AAA,KWL-18021AWB,KW1-S391AWA,KW3-561CGA,KW1-281CBA,KW3-801CGA-G5,KW4-8828AGB,KWA-541AGA,KW3-392AGA-G5,KW4-306CAA,KW4-S563CWA,KW1-4001CAB,KW3-801CAA,KW1-281CAA,KWM-R30881CAA,KWA-801ARA,KWM-30581AAA,KWB-R3912-1B,KW1-801ARA,KW5-321CRA,KW2-521CWA,KWA2-391CAA,KW4-S471CRA,KWM-30571CAA,KWA-393CGA,KW1-S802CGA-G5,KW1-S402CRA,KW1-2301CAA,KW1-S281ABA,KWA3-S401AWA,KW4-402AWA,KW2-802AAB,KW5-401ARA,KWA3-391CWA-Y,KWA4-542CBA,KWA4-S392CAA,KW1-321CGA-G5,KW1-4001CBB,KW2-56BCWA,KW4-S202CGA,KWA4-542CGA-G5,KW1-361CGA,KW3-251CWA-Y,KW4-281AWA-Y,KWA3-391CRA,KW1-S281CGA,KW1-S511CBA,KW4-521CGA-G5,KWM-R3711CBA,KW1-S562AGA-G5,KWM-30881CWA,KW1-301AGA-G5,KW3-561CAA,KWA3-541ARA,KW3-S401CRA,KW1-2301CBA,KWA-393ABA,KW1-563AGA,KW5-401CWA,KW2-802ABB,KWE-251AWA-Y,KW4-39DAAA,KWA2-391CBA,KWA4-542CAA,KW3-801CGA,KW4-S281AAA,KW5-231CRA,KW2-S563AAA,KW1-361ABA,KWA-393AWA-Y,KW4-S391AWA,KWA4-S392CBA,KWM-20881CAA,KW2-281ARA,KWA4-391AGA-G5,KW4-S202ABA,KWM-30881CGA-G5,KW1-S202ABA,KW1-801CRA,KW3-561CBA,KWA3-541CWA,KWL-18021ARB,KW1-S402AGA-G5,KW3-801ABA,KW1-562CGA-G5,KW4-361CWA-Y,KWA-541ABA,KW1-603CBA,KW4-39DCBA,KW2-802CGB,KW4-311AGA-G5,KWM-R30881ABA,KW1-361AAA,KW2-S563ABA,KW4-S281ABA,KW4-S563CRA,KW1-521CAA,KW2-S303ARA,KW4-25DAWA-Y,KWA-541AGA-G5,KW1-2301AGA-G5,KW4-391AGA-G5,KWL-18021CWB,KW1-S202CGA,KWA-801CRA,KW1-S281AAA,KW4-281AGA-G5,KW1-S391CWA,KW1-603CAA,KW1-S202CGA-G5,KW1-321AWA-Y,KW3-801AAA,KWA-541CGA,KWM-R30881AAA,KW1-4001AAB,KWM-R3711AAA,KW2-S303CWA,KW1-S511AAA,KW4-S281CGA,KW2-56BARA,KW2-S563CGA,KWM-30581CAA,KW2-361AWA-Y,KWM-30581CGA-G5,KW3-304AGA-G5,KW4-361CRA,KW2-521AWA,KW4-401CAA,KW4-8828CBB,KW5-231AAA,KWA3-S401CWA,KW4-25DCGA-G5,KWL-8011BB,KW1-2301AAA,KWA2-391AAA,KW1-521AGA,KW1-501CBA,KWA-501CBA,KWM-R3711AGA-G5,KW2-802CAB,KW1-563ARA,KWM-50571AGA-G5,KW3-S281CWA,KW5-231ABA,KWA-393CBA,KW1-S802CAA,KW4-8828CAB,KW3-S401ARA,KWA3-S401ARA,KWL-8011AB,KW4-281CBA,KW1-S511AGA-G5,KW4-306AGA,KW1-801AGA,KW1-2301ABA,KWM-S20881AGA,KW2-301CGA,KW5-401AWA,KWA2-391ABA,KW3-401AGA-G5,KW4-S281CAA,KW2-802CBB,KW3-392ARA,KW2-281CRA,KWA-541ARA,KW1-563CWA,KW1-281CWA-Y,KW4-402CGA-G5,KW1-563AGA-G5,KWA-393AAA,KW2-391CGA-G5,KW5-231CGA,KW4-281CAA,KW1-S802CBA,KW3-S201AGA-G5,KW2-301ABA,KWA2-391CGA,KWL-18021CRB,KW4-361AAA,KW1-361CWA-Y,KWM-50881CRA,KW4-S281CBA,KW4-391CRA,KW1-603ABA,KWA3-541AGA,KWA4-S392AGA,KW3-S201CBA,KW2-S511CGA -G5,KW1-391AGA,KW2-S303CGA-G5,KW3-S281ARA,KW3-251AWA-Y,KW4-361ABA,KW1-S202AGA,KWA4-542AGA,KW4-521CRA,KW4-25DAGA-G5,KW1-603AAA,KW2-301AAA,KWM-20881AGA,KW2-S303AWA,KW1-1501CGA,KWA3-391AGA,KWA-501AAA,KW1-S281CRA,KW1-501AAA,KW4-281CWA-Y,KW1-S511CAA,KW2-S563AGA,KW1-561AWA,KW2-361CRA,KW4-S471AWA,KWM-R3711CAA,KW3-S201CAA,KW2-281CGA-G5,KW4-401AAA,200WD-AP25,KW4-361CGA,KWL-R1210AA,KW4-306ABA,KWE-251CWA-Y,KW4-281CGA,KWM-R30881AGA-G5,KW4-S391CRA,KW4-8828ABB,KW1-521CGA,KW1-563CRA,KW1-1501ABA,KWM-S20881ABA,KW1-1002AGA-G5,KWA-393CWA-Y,KWL-R1025GA,KWA3-541AGA-G5,KW2-S201CGA-G5,KWA3-S401CRA,KW3-S281AWA,KW4-281ABA,KW5-401CGA-G5,KWM-50881CWA,KW3-S302AGA-G5,KW5-561CAB,KW1-391AAA,KW4-521AGA-G5,KW4-306CGA,KWL-R1210BA,KW1-801CGA,KW4-8828AAB,KW2-402AGA-G5,KW1-S402AGA,KW2-S391CGA,KW2-S201ARA,KW1-521ABA,KW1-1501AAA,KW1-603CGA,KWA-541CRA,KWM-S20881CGA,KW4-25DCWA-Y,KW4-281AAA,KWM-50881ARA,KWB-R10050-P8WW2H-12V,KWA-393CAA,KW1-391ABA,KW1-1501AGA-G5,KWA2-391AGA,KW1-321CWA-Y,KW3-S401CWA,KW1-2301CGA,KWA3-391CGA,KW2-301CBA,KWA-801AGA,KW1-561ARA,KWM-20571AWA,KW4-391ARA,KW4-S202CAA,KWA4-S392CGA,KWE-251CRA,KW5-231AGA,KWM-20881ABA,KW4-401CBA,KW1-1201AWA,KW1-391CGA,KW3-281CGA-G5,KW4-521ARA,KWA3-391ABA,KWA4-542CGA,KW2-561AGA-G5,KW3-561AGA,KW4-8828CGB,KW2-301CAA,KW4-306AAA,KW1-501CAA,KWM-20881CGA,KWA-501CAA,KW4-S563AGA-G5,KW2-361ARA,KW5-321ARA,KW4-521CWA,KW1-561CWA,KW4-S471CWA,KW4-S563AWA,KW2-281AGA,KW1-3003AWB,KWE-501AGA,KW1-562CAA,KW4-30GAGA-G5,KWM-R3711ARA,KW1-1501CRA,KW3-251ARA,KW5-401CAA,KW2-S201CAA,KW4-306AGA-G5,KW3-392AWA-Y,KW4-361CGA-G5,KW3-567CBA,KW4-25DARA,KW5-321AGA-G5,KW1-321CAA,KW2-402CWA,KW2-402ARA,KWL-R1210GA-G5,KW4-S471AAA,KWA2-S401AGA-G5,KW1-802CAA,KW2-521AGA-G5,KWA-S401CGA
富满电子（FM）LED显示屏系列驱动芯片选型指南
描述- 富满微电子集团股份有限公司创立于2001年，是一家致力于高性能模拟及数模混合集成电路设计研发、封装、测试、销售为一体的国家级高新技术企业及国家规划布局内重点集成电路设计企业、2017年7月5日在深交所创业板上市。
型号- FM6129,FM6869,74HC245TS,74HC04,FM7519,FM6353E,FM6565AL,TC6960,74HC595A.,FM6124,TC4953,FM6864,74HC138D,TC4973,FM6565AH,TC7559,FM6655A,74HC125,74HC245TB,74HC245TA,74HC245K,FM65128,74HC04D,74HC595E,TC7262,TC5020,74HC595D.,FM6373,TC6990,TC4983,FM6565D,74HC245KAJ,74HC138
解析LED显示屏的IP65防尘防水检测
LED显示屏的IP65防尘防水检测是为了确保显示屏在特定环境下的防护性能，能够抵御尘埃侵入和水分损害。本文全球通检测为大家介绍LED显示屏IP65防尘防水检测的详细说明。
技术探讨 发布时间 : 2024-07-10
森克提供多媒体教学一体机、电子班牌、LED显示屏、图书馆借还书机等全套设备及解决方案，助力建设智慧校园
森克服务于都市人工作、生活、医疗、教育各个方面，多年的经验沉淀出成熟全套的智慧生活解决方案。提供教学一体机,电子班牌,出入门禁,LED显示屏,图书馆借还书机,瀑布流电子借阅机多种款式设备。
原厂动态 发布时间 : 2023-07-22
一文介绍LED显示屏ROHS2.0认证
LED显示屏的ROHS2.0认证是一个确保产品符合欧盟环保法规的重要过程。制造商需要确保其产品不含有RoHS2.0列出的受限物质，并且通过适当的测试和认证流程来获取ROHS2.0证书。这对于那些希望将其产品出口到欧盟市场的制造商来说至关重要。本文全球通检测来为大家介绍介绍LED显示屏ROHS2.0认证，希望对各位工程师朋友有所帮助。
设计经验 发布时间 : 2024-09-28
电子商城
服务
可定制分流器电阻范围20uΩ~100uΩ，可自由设计铜排形状尺寸，电镀：镀锡/镀镍。支持RoHS指令 、AEC-Q200。认证资格：IATF16949;ISO9001；检测精度：0.1%。
最小起订量： 100个 提交需求>
可定制变压器电压最高4.5KV，高频30MHz；支持平面变压器、平板变压器、OBC变压器、DCDC变压器、PLC信号变压器、3D电源、电流变压器、反激变压器、直流直流变压器、车载充电器变压器、门极驱动变压器等产品定制。
最小起订量： 100000 提交需求>
授权代理品牌：集成电路
授权代理品牌：分立元件
授权代理品牌：接插件及结构件
授权代理品牌：部件、组件及配件
授权代理品牌：电源及模块
授权代理品牌：电子材料
授权代理品牌：仪器仪表及测试配组件
授权代理品牌：电工工具及材料
授权代理品牌：机械电子元件
授权代理品牌：加工与定制
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