WMSIC Electronic Components

XLSEMI XL3005E1

ModelXL3005E1
PackageTO-263-5
BrandXLSEMI
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
XLSEMI XL3005E1
Type
XLSEMI
Minimum package
800 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
XLSEMI
Electronic Component
XL3005E1
Electronic Component
1
Package
TO-263-5
Type
DC-DC
Electronic Component
LEDDriver
Electronic Component
PWM
Electronic Component
2.114g
Electronic Component
1
Channel Count
1
Features
(SCP); (OTP)
Electronic Component
BM0257350799
Operating Temperature
40℃~+125℃
Switching Frequency
220kHz
Electronic Component
Electronic Component

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

XL3005E1 — 降压型恒流LED驱动器(XLSEMI 芯龙)

一、产品概述

XL3005E1 是芯龙(XLSEMI)推出的一款高性能降压型 DC-DC 恒流 LED 驱动芯片,采用内置开关管设计,适用于中高功率 LED 照明场景。芯片工作电压范围宽(DC 8V 至 36V),开关频率固定在约 220kHz,单通道输出,恒定输出电流可达 5A,并支持 PWM 调光。器件封装为 TO-263-5,工作温度范围 -40℃ 至 +125℃,具备过压保护(OVP)与短路保护(SCP),适合汽车与工业级 LED 照明应用。

二、主要特点

  • 输入电压范围:DC 8V ~ 36V,兼容 12V/24V 等常见系统电压;
  • 输出能力:单通道,恒流输出可支持最高 5A;
  • 拓扑结构:降压(Buck),内置开关 MOSFET,简化外部元件布置;
  • 开关频率:典型 220kHz,有利于在效率与器件尺寸之间取得平衡;
  • 调光方式:PWM 调光接口,支持数字脉宽控制亮度;
  • 保护功能:具备过压保护(OVP)与短路保护(SCP),提高系统可靠性;
  • 封装与温度:TO-263-5 封装,工作温度 -40℃ ~ +125℃。

三、典型应用

  • 汽车照明(近/远光、日间行车灯、转向灯等);
  • 室内外商业与建筑照明(轨道灯、投光灯、洗墙灯);
  • 灯条、工矿灯、广告牌和舞台灯具;
  • 移动电源或车载电源驱动的高功率 LED 模组。

四、设计与使用建议

  • 元件选择:为了保证 5A 输出能力,外部电感需选型时考虑饱和电流高于峰值电流并控制电流纹波;整流件建议选用低压降肖特基二极管或同步整流方案以提高效率;输出电容宜选低 ESR 类型以降低纹波与提高稳定性。
  • PCB 布局:开关回路(开关节点、二极管、电感、输入/输出电容)尽量紧凑最短路径,散热铜箔充分,TO-263-5 的散热引脚需与大面积地/散热铜箔相连以改善热性能。
  • PWM 调光:将 PWM 信号施加于调光/使能引脚,可实现无级亮度调节。为避免可见闪烁,应根据应用场景选择合适的 PWM 频率,并避免与 220kHz 开关频率产生拍频现象。
  • 热管理:高电流输出会产生较大功耗,必须进行热仿真并预留散热空间,必要时配合散热片或通过孔过孔阵列增加散热能力。

五、保护与可靠性

XL3005E1 内置过压保护与短路保护,可在异常工况下限制输出或进入保护模式,提升整机安全性。建议在系统级增加输入反向保护与滤波,以及合适的保险/熔断器以应对极端故障。器件在 -40℃ 至 +125℃ 环境下工作,适合恶劣环境应用,但在高温高电流条件下仍需注意热设计与寿命评估。

六、封装与引脚提醒

TO-263-5(大功率贴片封装)利于表面贴装工艺和散热处理。典型引脚功能包括电源输入、开关节点、反馈、调光/使能及地线;在实际设计前请参照芯龙官方规格书获取准确引脚定义与电气参数。

总结:XL3005E1 以其宽输入范围、高输出电流、内置开关和 PWM 调光能力,适合各类中高功率 LED 驱动应用。合理的外部器件选型、严谨的 PCB 布局与良好的热管理是确保系统稳定、高效运行的关键。若需量产或关键设计,建议获取并严格参考厂商规格书与典型应用电路。

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