【IC】新品发布丨微源2A同步降压LED驱动芯片LP3330：亮度调节更细腻，拍照更清晰，更高效，更安全

时间： 2024-10-16 来源：微源半导体公众号

技术问答

LP3330是一款2A同步降压LED驱动芯片，支持4.5V至30V宽输入电压，集成低内阻开关MOSFET，转换效率高达97%；支持PWM调节亮度，采用PWM-to-Analog调光方式，最小支持0.6%占空比，具有良好的调光线性和一致性（精度3%）；同时具有全面的保护功能：包括LED开路/短路保护，输出短路保护，检测电阻开路和短路以及器件过热保护，并且均具有自动重试功能。

（LP3330典型应用电路图）LP3330具体性能参数指标可联系微源获取数据手册。

高质量画质的IPC，除了镜头、光圈和图像传感器，补光灯也是提升画质的重要器件，LP3330可以高效驱动红外灯和白光灯来实现补光功能，在静止或调光过程中无可视闪烁，调光均匀细腻，拍摄无纹波或闪烁，让画面更清晰。

此外，LP3330采用标准SOT23-6封装，支持两种不同的脚位，以满足不同终端的兼容性需求。广泛应用于家用5V及公共12V供电IPC、人脸识别LED驱动、舞台灯光LED驱动、12V/24V直流照明、医用UV LED驱动等场景。

LP3330主要特点

更清晰，PWM-to-Analog调光功能、FPWM模式，无频闪。

· 采用PWM转模拟调光方式，将PWM信号转换为DC信号调节亮度，最低支持0.6%占空比调光，宽调光范围线性度好；

· 固定1MHz开关频率，低亮度情况下保持低的电源纹波；

· 摄影设备拍摄无纹波或闪烁影响。

更高效，降低系统损耗。

· 集成100mΩ高侧、70mΩ低侧开关MOSFET，损耗小转换效率高，最高效率可达97%。

更安全，全面提高产品可靠性。

· 36V直流耐压，避免恶劣环境下可能引发的风险，如远距离走线电源波动、热插拔等情况下的尖峰高电压，有效提升整机可靠性；

· 过流保护，高侧和低侧开关MOSFET逐周期限流，实现过载保护；低侧开关还具有反向限流功能，防止损坏器件；

· 负载异常保护，包括LED开路/短路保护，输出短路保护，检测电阻开路和短路保护，防止在生产操作/使用中异常损坏器件；

· 过温保护，结温高于关断值即停止工作，避免器件因温度过高损坏；

· 所有保护功能均具有自动重试功能，当异常条件解除后可自动恢复工作。

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本文由犀牛先生转载自微源半导体公众号，原文标题为:新品发布丨微源半导体推出LED驱动芯片LP3330：让亮度调节更细腻，拍照更清晰，更高效，更安全！，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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洺太（SUNTEK）电源管理IC选型指南

目录- 公司及产品线介绍应用案例 LDO DC-DC Charger IC & OVP Miscellaneous Ics

型号- SUL60512,SK6264B,SK6252C,SK6667,SK62094,SK6662,SK6663,SK6021,SK62099,SK61287,SK6023,SK62521,SK6018B,SK6018C,SK18134,SK78XX,SK61391,SK6673,SK6152,SK6153,SK4013,SK6615C,SK6117P,SK6513S,SK6086,SK6001,SK4066,SK6661S,SK6254B,SK6253B,SK1521,SUL62029,SK6253E,SK6017,SK6018,SK6X131,SK6019,SK6013,SK6014,SK6015,SK6011,SK6012,SK6650,SUL6018,SK61605,SK6807,SK6627,SK4566,SK6692E,SK68313,SK6620,SK68310,SK62691,SK6014S,SK62601,SK62603,SK62602,SK62604,SK62606,SK6648D,SUL6001,SK6619,SK6216H,SK6637,SK6116,SK6117,SK6513,SK4054,SK6630,SK6632,SK4051,SK78LXX,SK6647A,SK6837B,SUL6113,SK6255B,SK1553,SK6208,SK6605,SKD2803,SK6206,SK6684,SK61381,SK2485,SK6681,SK6683,SK6152S,SKD2003,SK6693E,SK4556,SK4555,SK69134,SK4554,SK6215,SK6216,SK6613,SK4558,SK4153,SK6059,SK4151,SK6053,SK6054,SK6692,SK6055,SK6693,SKR809,SK6051,SK6052,SK6690,SK1826A,SK317,SK78MXX,SK62618,SK1836,SK4056B,SK4056C

选型指南 - 洺太 - 2023/8/5 PDF 中文下载

【应用】可支持高达11S灯珠串联的LP3320B6F用于油摩LED灯珠驱动，节能高效，满足功率转换效率的要求

LP3320B6F采用了最新一代的greenbridge 2技术，具有极低的静态功耗和超强的动态响应能力。在实际使用中，可以将电能损耗降至最低，同时满足各种工况下对功率转换效率的要求。具有高效节能、稳定可靠、多功能性、芯片小巧的特点，适合用于油摩LED灯珠驱动。

应用方案发布时间 : 2023-05-24

富满电子（FM）景观亮化（点光源、幻彩灯带/灯条）LED驱动芯片选型指南

描述- LED景观驱动产品主要应用于点光源，线条灯（灯带），洗墙灯，舞台灯光系统，室内外视频墙，装饰照明系统。

型号- R2812,TC1903H,A512D16,R2811E,A512D3,A512D4,TC2811H,L2811TS,R2811TS,FM2822,A512B3A,A512,A1904B,A512C0,R1903H,SC6803Q,TC26803,R2811H,A512 系列,A512D10

选型指南 - 富满电子 - 2022/7/11 PDF 中文下载

拓尔微电子股份有限公司汽车产品简介

型号- TMI36010,TMI7105B,ACPL3120,TMI8150B-Q1,TMI36050,TMI8130,TMI4616X,TMI8460-Q1,TMI8230S,TMI8260DP,TMI8720-Q1,TMI872,TMIS7701,TMI8837S,TMIM82H05D-Q1,TMI8150B,TMI7205,TMI3451,TMI8180A,TMI3453,TMI8720PD,TMI8423,TMI3452,TMI6201,TMI8421,TMI8420,TMI3493,TMI3492,TMI8724-Q1,TMIM7303-,TMI8340,TMI8263,TMI8262,TMI8261,TMI8140,TMIM7303-Q1,TMI8460FP,3494,IM2406...,TMIM7301,TMIM8904-Q1,TMI5700...,TMIM8XXX-Q1,TMIM8908-Q1,TMI8920/D,TMI8549,TMI8260SP,TMI8548,TMI8701,TMI6601,TMI9404,TMI6411,TMI8876,TMI8116,TMID82XX,TMI8263-Q1,TMI82H05,TMI3463,TMI36030,TMI8870,TMI8110,TMI8230,TMI8151,TMI8721-Q1,TMI8876-Q1,TMI8460FP-Q1,TMI8122-Q1,UCC23513,TMI2H050,TMI8940D,TMI8720.......,TMI8420-Q1,TMI8460SP,TMI8837,TMIM89XX-Q1,TMI3465,TMI8721,TMI88221,TMI8122,UCC215X0,TMI8120,TMI8870-Q1,TMIM81H16,TMI8116-Q1,TMI8140-Q1,TMI6901,STI3453FI

商品及供应商介绍 - 拓尔微电子 - V1.6 - 2022/11/18 PDF 中文下载

显示屏PMIC

型号- LP6291,LP6281,LP6297B,LP6294,LP6295,LP3353,LP6286,LP6275,LP3352,LP6297A,LP6298,LP6288,LP6299,LP6291H

快速参考指南 - 微源半导体 - 2023/3/20 PDF 中文下载

【选型】微源半导体DCDC、LDO、复位开关等产品适用于安防摄像头，可为用户提供性价比较高的解决方案

安防摄像头系统的总体架构比较相似，但是基于不同应用场景以及不同的市场定位，会存在供电方式以及摄像头性能上的差别，从而在整体系统方案的考虑上需要根据实际情况选择恰当的方案。微源半导体具有多款适合于不同应用类型安防摄像头的产品，包括DCDC，LDO，复位开关，背光，音频以及充电芯片等等。

器件选型发布时间 : 2022-06-14

【选型】国产电源芯片PTP替代TPS61165助力LED驱动设计，转换效率达94%

在目前供货紧张的状况下，国产微源半导体推出的电源芯片LP3321QVF可替代TPS61165助力LED驱动设计，在性能参数上可以满足客户的需求，其转换效果高达94%，另外封装方式微源的TDFN-6可以pin to pin替代TI 的 WSON-6。

器件选型发布时间 : 2021-10-12

微源半导体LED Driver（LED驱动）芯片选型表

提供LED屏背光应用驱动芯片和LED屏偏压应用驱动芯片,FB高耐压,支持1%低占空比调光

产品型号	品类	输入电压(V)	输出电压(V)	输出电流(mA)	开关管电流(mA)	开关电流(A)	开关/工作频率(MHz/KHz)	FB电压(mV)	OVP(V)	效率(%)	封装
LP3310	背光LED Driver	2.7V—24V	—	—	4000mA	—	1MHz	250mV	28V	—	SOT23-6/DFN-6(2*2)

选型表 - 微源半导体立即选型

上海洺太电子科技产品介绍

型号- SK6648,SK6208,SK6627,SK895X,SKD2803,SK6206,SK6684,SK6100,SUL6103,SK62521,SK62601,SKD2003,SUL6001,SK6619,SK6637,SK8915,SK6110C,SK4555,SK6618,SK4554,SK6017,SK6215,SK6611,SK6655,SK6018,SK6513,SK6019,SK6613,SK6657,SK6658,SK6013,SK4054,SK8951,SK6014,SK6630,SK8950,SU6018,SK6631,SK8953,SK8952,SK6252,SK6692,SK6253,SK6693,SKR809,SK4056,SK2802,SK6608

商品及供应商介绍 - 洺太 - 2021/12/3 PDF 中文下载