WMSIC Electronic Components

LOWPOWER LP6230BMSF

ModelLP6230BMSF
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 24+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
LOWPOWER LP6230BMSF
Type
LOWPOWER
Minimum package
3000 未知

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LOWPOWER
Electronic Component
LP6230BMSF
Electronic Component
1
Package
MSOP-8
Electronic Component
DC-DC Power Supply IC
Electronic Component
0.101g
Electronic Component
1
Type
Electronic Component
Electronic Component
BM0229943300
Operating Temperature
40℃~+85℃
Operating Voltage
2.2V~6V
Switching Frequency
1MHz
Electronic Component
Electronic Component
Output Voltage
2.5V~18V
Output Current
2.4A

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

LP6230BMSF 产品概述

一、概述

LP6230BMSF 是 LOWPOWER(微源半导体)推出的一款升压型开关稳压器,采用升压拓扑并内置开关管,封装为 MSOP-8。器件支持宽输入电压范围 2.2V 至 6V,输出电压可调 2.5V 至 18V,典型开关频率为 1MHz,工作温度范围为 -40℃ 至 +85℃。该器件面向空间受限、要求外部元件最小化以及需要可调高压输出的电源设计场景,适合便携式和电池供电设备的升压应用。

二、主要特点

  • 输入电压范围:2.2V ~ 6V,适配单节到多节电池以及常见低压电源。
  • 输出电压范围:2.5V ~ 18V,可通过外部反馈网络灵活设定,满足不同系统电压需求。
  • 升压拓扑,内置开关管,减小外部元件数量与布局复杂度。
  • 开关频率 1MHz,有利于使用更小的电感与电容,缩小整体方案尺寸。
  • 工作温度:-40℃ ~ +85℃,适用于工业级和商业级环境。
  • 小封装:MSOP-8,有利于体积受限的应用场合。

三、应用场景

LP6230BMSF 适用于需要将较低电压升至较高电压的多种场合,包括但不限于:

  • 便携式设备的芯片或模块供电(如将单节锂电或 3.3V 升至更高偏置电压)。
  • 显示驱动(OLED、LCD)的驱动电压生成。
  • 模拟前端偏置、传感器供电或放大器的高压偏置。
  • 小功率 LED 驱动或脉冲升压应用(需参考数据手册以确认允许电流)。
  • 相机闪光等瞬时高压需求电路(需配合适当储能与限流设计)。

四、典型电路与外设选择建议

虽然具体电路参数需参照完整数据手册与应用需求,但基于器件特点,设计时可参考以下通用建议:

  • 基本拓扑包含:输入电容、功率电感、肖特基或快速恢复二极管、输出电容、反馈分压电阻与必要的补偿/软启动元件。
  • 电感选择:采用低直流电阻(DCR)与合适饱和电流的功率电感。1MHz 高频工作允许使用小体积电感,但需保证在最大负载下不饱和。
  • 整流二极管:建议选择低正向压降、快速响应的肖特基二极管,以降低整流损耗与提高效率(若内部同步整流则可省略外置肖特基,详见手册)。
  • 电容选择:输入侧使用低等效串联电阻(ESR)的陶瓷电容以抑制开关回路噪声;输出侧根据纹波与瞬态需求选择合适容量与 ESR,必要时并联不同类型电容以兼顾纹波与稳定性。
  • 反馈网络:通过外部分压电阻设定输出电压。输出电压与反馈参考之间的关系通常遵循 Vout = Vref × (1 + Rtop / Rbot),设计时参考芯片参考电压与误差带宽。
  • 布局要点:缩短开关节点(开关管、二极管、电感、输入/输出电容)之间的回流路径,输入电容靠近 VIN 与 GND 布置,地线采用平面层或星形回流以降低噪声与辐射。

五、设计注意事项

  • 散热与功率限制:MSOP-8 封装体积小,持续大电流时需关注封装热阻与 PCB 散热路径。通过加大铜箔面积、铺设散热地铜和尽量减小功耗来保持器件工作温度在安全范围内。
  • EMI 考量:1MHz 工作频率下,开关噪声与辐射需通过合理的布局、磁屏蔽、电容滤波与阻尼措施降低对系统敏感电路的干扰。
  • 启动与保护:具体器件可能集成软启动、欠压锁定、过流/短路保护与热关断等保护功能;在设计时应查阅完整资料并根据系统要求增加必要的外部保护与滤波。
  • 稳定性验证:不同负载与输出电压条件下,需在样机上验证环路稳定性与瞬态响应,必要时通过调整补偿元件或输出电容 ESR 来优化稳定性。

六、优势与设计价值

  • 小尺寸、高频率与内置开关管的组合,使 LP6230BMSF 适合空间受限的低功率升压场合。
  • 可调输出范围广,支持多种应用需求,降低库存与设计复杂度。
  • 宽输入电压与工业级温度范围提高了对复杂工作环境与电源变化的适应性。

结语:LP6230BMSF 面向对体积、外设数量和输出电压灵活性有较高要求的升压应用,是一种便于集成与实现小尺寸电源解决方案的器件。为获得最佳性能与可靠性,请务必参考官方数据手册进行详细电路设计、元件选型与热管理评估。

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