WMSIC Electronic Components

cjiang(长江微电) FTC322512SR22MBCA

ModelFTC322512SR22MBCA
PackageSMD,2.5x3.2mm
Brandcjiang
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
cjiang FTC322512SR22MBCA
Type
CJIANG
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CJIANG
Electronic Component
FTC322512SR22MBCA
Electronic Component
1
Package
SMD,2.5x3.2mm
Electronic Component
Power Inductor
Electronic Component
±20%
Electronic Component
0.082g
Inductor
220nH
Electronic Component
1
Electronic Component
BM0259484908
Current
9.2A
Resistor(DCR)
6.6mΩ
Electronic Component
Electronic Component
Electronic Component
3000
and Current(Isat)
11.5A

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

FTC322512SR22MBCA 产品概述

一、产品简介

FTC322512SR22MBCA 是长江微电(cjiang)推出的一款小型高电流功率电感,专为现代开关电源与电源管理模块设计。器件采用贴片(SMD)封装,外形尺寸仅 2.5 × 3.2 mm,在体积受限的应用中能提供优异的电流承载能力与磁饱和裕量,适合高密度、多相降压以及负载动态大、瞬态要求高的电源场景。

二、主要参数

  • 电感值:220 nH,公差 ±20%
  • 额定电流(Irated):9.2 A(工作电流建议参考额定值并留裕量)
  • 饱和电流(Isat):11.5 A(在该电流下电感降至初始值的指定比例)
  • 直流电阻(DCR):约 6.6 mΩ(低损耗,利于降低导通损耗)
  • 封装形式:SMD,尺寸 2.5 × 3.2 mm
  • 品牌:长江微电(cjiang)

三、产品特性

  • 高电流能力:11.5 A 的饱和电流和 9.2 A 的额定电流使其能承受较大的负载电流与瞬态冲击,适合多相降压和高电流点负载。
  • 低直流电阻:6.6 mΩ 的低 DCR 降低了铜损,提升转换效率并减少发热。
  • 紧凑封装:2.5×3.2 mm 的小尺寸便于在空间受限的板级设计中实现高密度布局。
  • 稳定性与一致性:电感公差为 ±20%,适用于对电感值容忍度较高的功率滤波与谐振场景。

四、典型应用场景

  • 同步降压(buck)和多相降压电源的输出电感或相间电感
  • 电源管理模块(PMIC)、电源滤波器(EMI/LC)
  • 通信、服务器与高性能计算供电点(VR)、车载电子电源(需核实汽车级认证)
  • 电池供电系统与充电电路中对高电流、低损耗的电感解决方案

五、设计与选型建议

  • 考虑直流偏置效应:实际电感值会随直流电流增加而下降,建议参考生产商的 L–I 曲线并在实际工作电流下确认剩余电感满足滤波/控制环路要求。
  • 电流裕量与热管理:长期运行建议额定电流留有裕量(例如在额定值下的 70%–90% 区间选型),并考虑PCB散热、铜厚与布线宽度以降低温升。
  • 低 DCR 布局:尽量使用宽、短的走线连接电感两端,必要时使用多孔过孔(vias)进行散热与电流分流。
  • EMC 与布板:将电感放置在靠近开关管或负载端的最短回路中,减小回路面积;必要时配合输入/输出电容和 RC 滤波优化辐射与传导噪声。

六、封装与焊接注意事项

  • 采用标准回流焊工艺,但具体回流温度曲线请遵循长江微电的推荐焊接规范以避免性能退化。
  • 存储与搬运时避免潮湿与强振动;贴片后避免多次重复加热。
  • 焊盘设计建议按厂家推荐的焊盘尺寸与锡膏占比进行,以保证焊点可靠性和热量传导。

七、可靠性与支持

  • 在正式设计前,建议索取长江微电的详细数据手册、L–I、L–f 曲线和温升/热阻资料,以便完成热与电性能仿真验证。
  • 对于关键或汽车级应用,请与供应商确认是否有相关认证与额外测试报告(如高温/循环老化、机械冲击与振动测试等)。

总结:FTC322512SR22MBCA 以其小体积、高电流、低 DCR 的组合特性,适合用于对体积、效率和电流能力有较高要求的开关电源与电源滤波场景;在设计与选型过程中应重点关注直流偏置下的电感保留、热管理与 PCB 布局。若需更详细的电气特性曲线或可靠性数据,建议向长江微电获取完整技术资料。

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