WMSIC Electronic Components

LOWPOWER LP6230CMSF

ModelLP6230CMSF
PackageMSOP-8
BrandLOWPOWER
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
LOWPOWER LP6230CMSF
Type
LOWPOWER
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LOWPOWER
Electronic Component
LP6230CMSF
Electronic Component
1
Package
MSOP-8
Electronic Component
DC-DC Power Supply IC
Electronic Component
0.1g
Electronic Component
1
Type
Electronic Component
Electronic Component
BM0230808555
Operating Temperature
20℃~+85℃
Operating Voltage
2.2V~6V
Switching Frequency
1MHz
Electronic Component
Electronic Component
Output Current
2A
Output Type
Electronic Component

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

LP6230CMSF 产品概述

LP6230CMSF 是微源半导体(LOWPOWER)推出的一款高集成度升压型直流-直流转换器,适用于对体积、效率和电池寿命有较高要求的便携与嵌入式系统。器件采用 MSOP-8 封装,内部集成开关管,支持外部可调输出,提供高达 2A 的输出能力,工作频率 1MHz,静态电流仅 100µA,能够在 2.2V ~ 6V 的输入电压范围内稳定工作,工作温度范围 -20℃ ~ +85℃。

一、主要特性

  • 功能类型:升压型 DC-DC 转换器(Boost)
  • 输入电压:2.2V ~ 6V,适配常见单节或多节电池供电场景
  • 输出电流:最高可提供 2A 的输出(视实际工况与热设计而定)
  • 开关频率:典型 1MHz,有利于减小外部电感与输出电容体积
  • 静态电流(Iq):约 100µA,适合对待机功耗敏感的便携设备
  • 开关管:内部集成开关管,简化外部元件数量与布局
  • 输出类型:可调输出,通过外部分压器设定目标输出电压
  • 通道数:单输出通道
  • 封装:MSOP-8,适合空间受限的 PCB 设计
  • 工作温度:-20℃ ~ +85℃,覆盖大多数消费类与工业轻度环境

二、典型应用

  • 便携式电子设备(如便携音响、便携医疗设备)
  • 电池供电系统的高压轨提升(供给传感器、显示、射频模块等)
  • 手持设备与仪表中需要高电压驱动的小功率负载
  • 可充电电池系统中作为升压模块使用
  • 任何需要在低输入电压下维持稳定高于输入的电源输出场景

三、设计与性能要点

  • 高频工作(1MHz):允许选择较小值电感和陶瓷电容,从而节省 PCB 面积并降低器件高度。但高频也带来更高的开关损耗与 EMI,需要在布局与滤波上加以控制。
  • 低静态电流(100µA):在待机或轻负载情况下能有效降低系统功耗,延长电池续航。
  • 可调输出:通过外部分压器精确设置输出电压,灵活适配不同应用需求。外部分压器应选择高阻值时注意分压误差与漏电流对精度的影响。
  • 内置开关管:减少外部 MOSFET 的使用,简化 BOM 和封装面积,但同时要求合理的 PCB 散热设计以保证在高负载下的可靠性。
  • 效率与热设计:在不同 Vin、Vout 与负载条件下效率差异较大。建议在目标工况下进行效率测试并据此优化电感、二极管(若需要)与电容选择。

四、外部元件与布局建议

  • 电感选择:优先选择 DCR 低、饱和电流高于峰值电流的功率电感。1MHz 的频率允许电感值较小,但要保证在最大输出电流下不会进入饱和。
  • 输入/输出电容:推荐使用低 ESR 的多层陶瓷电容(MLCC),并在靠近器件引脚处布局足够的旁路电容以抑制开关噪声。
  • 二极管或同步结构:若为非同步拓扑(需参考具体数据手册确认),输出侧可能需要快速恢复或肖特基二极管以提高效率。若芯片为同步结构,则相应外部二极管可省去。
  • PCB 布局:将高电流回路(开关节点、电感、输入/输出电容)尽可能缩短并形成紧凑环路,避免长回流路径。对 GND 采用完整的平面地或热过孔以利散热与降低噪声。
  • EMI 抑制:必要时在输入侧增加小电感或 RC/LC 滤波网络,并在关键信号线上添加合适的布局与分布电容。

五、封装与热管理

  • MSOP-8 小封装利于节省空间,但热阻相对较高。在长时间大电流输出时需通过 PCB 铜箔与热过孔将热量导出。
  • 在布局时应在器件底部与周围放置大面积铜箔并连接散热层,确保在最大输出条件下器件温升受控。

六、选型建议与注意事项

  • 输入电压与输出需求匹配:确保在最低输入(2.2V)下器件可维持期望输出,考虑负载启动电流与转换效率。
  • 输出电流裕量:2A 为器件输出能力上限,实际设计时应考虑温升、效率下降与元件容差,预留裕量。
  • 环境温度影响:在高温或封闭空间内持续高负载工作会影响可靠性,需要额外的热设计或降额使用。
  • 参考数据手册:在最终电路设计前,务必查阅 LP6230CMSF 的完整数据手册以获取确切的引脚定义、典型应用电路、保护特性与限制参数。

LP6230CMSF 以其高集成度、低静态电流与高频特点,适合体积受限且对待机功耗敏感的升压应用。合理的外部元件选择与 PCB 热管理是获得稳定高效输出的关键。若需进一步的原理图建议或典型应用电路解析,可提供目标输入/输出电压与负载条件进行针对性设计。

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