WMSIC Electronic Components

BLUE ROCKET BRCS5P06MA

ModelBRCS5P06MA
PackageSOT-23
BrandBLUE ROCKET
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
BLUE ROCKET BRCS5P06MA
Type
BLUE ROCKET
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
BLUE ROCKET
Electronic Component
BRCS5P06MA
Electronic Component
1
Package
SOT-23
Electronic Component
1 P
Type
P
Electronic Component
MOSFET
Electronic Component
0.031g
Electronic Component
1
Electronic Component
BM0226538818
Power Dissipation(Pd)
1.5W
Electronic Component
Electronic Component
Electronic Component
3000
Voltage(Vdss)
60V
Capacitor(Ciss)
885pF

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

BRCS5P06MA 产品概述

BRCS5P06MA 是 BLUE ROCKET 推出的一款小封装 P 沟道功率场效应管(P‑MOSFET),以 SOT‑23 封装为主打,面向需要高侧开关、反向保护和紧凑电源管理的便携与嵌入式应用。器件在相对较低栅压下提供较小的导通电阻,适合有限 PCB 面积、对热量和功率有严格控制的场合。

一、主要参数

  • 类型:P 沟道功率 MOSFET(P‑channel FET)
  • 封装:SOT‑23
  • 漏源耐压 Vdss:60 V
  • 导通电阻 RDS(on):103 mΩ @ |Vgs| = 4.5 V(注:P 沟道栅压为负值,规格给出的是幅值)
  • 阈值电压 Vgs(th):约 1.5 V(典型值,实际为负向阈值,数据表通常写为 |Vgs(th)| = 1.5 V)
  • 连续漏极电流 Id:5 A(器件极限/短时条件,连续载流受散热限制)
  • 耗散功率 Pd:1.5 W(封装及环境条件下的总耗散能力)
  • 输入电容 Ciss:885 pF
  • 输出电容 Coss:90 pF
  • 反向传输电容 Crss(Crss/Crss):64 pF
  • 总栅极电荷 Qg:25 nC @ 10 V

二、性能解析与典型计算

  • 导通损耗:在直流导通时,功耗近似为 P = I^2 × RDS(on)。以 RDS(on)=0.103 Ω、Pd 限制 1.5 W 计算,理想情况下最大连续电流约为 sqrt(1.5 / 0.103) ≈ 3.8 A。但实际连续电流能力会受 PCB 散热、环境温度和热阻影响,SOT‑23 的实际连续承载建议在无额外散热时更保守(例如 2–3 A 范围),以避免温升过大或热退化。
  • 开关能量:栅极充放电能量约 Egate ≈ 0.5 × Qg × Vdrive。若以 10 V 驱动,Egate ≈ 0.5 × 25 nC × 10 V = 125 nJ/次。输出电容带来的能量 Eoss ≈ 0.5 × Coss × Vds^2;在最高 60 V 条件下,Eoss ≈ 0.5 × 90 pF × (60 V)^2 ≈ 162 nJ/次。对于高频开关场合,两项能量乘以开关频率会成为明显的开关损耗来源。
  • 驱动关键信息:规格给出的 RDS(on) 在 |Vgs| = 4.5 V 条件下,因此要保证栅相对于源有约 4.5 V 的负向差才能达到标称导通电阻;若源电位接近系统正电源(常见高侧开关),需要能将栅拉低相应的电平。

三、典型应用场景

  • 高侧负载开关:在低到中等电压(≤60 V)系统中做开/关控制,适合电池供电设备、便携仪器的功率分配。
  • 反向电流阻断或保护电路:用作被动反向隔离或与控制器配合实现“理想二极管”功能。
  • 小功率 DC/DC 拓扑中的电源路径切换:如备用电源切换、负载断开等。
  • 低速开关与电平选择电路:利用其较小封装与合理的导通阻抗来实现空间受限场合的电源管理。

四、驱动与电路建议

  • 门极驱动:因为是 P 沟道器件,栅极要比源更负才能导通;若用 MCU 控制高侧开关,注意 MCU 的输出电平可能无法将栅拉到所需的低电平幅值,常采用 NPN / N‑MOS 电平移位或专用驱动器实现可靠的栅极电平。
  • 开关速度控制:Ciss 较大(885 pF)和 Qg=25 nC 表明在开关时会消耗一定能量,若需减小 EMI 或开关损耗,可在栅极串联合适阻值以控制 dv/dt。
  • 保护与滤波:建议在输入端并联适当的 RC 抑制(消除振铃)、在高压脉冲场合加入瞬态抑制元件以保护栅极和体二极管。

五、封装与热管理

  • SOT‑23 封装体积小、适合空间受限设计,但热阻较大,器件耗散能力受限。尽可能在 PCB 走宽铜箔、靠近散热层(多层板内铜)来改善热性能。
  • 在高连续电流或高占空比开关工作时,应进行热仿真或测量,避免器件结温超过允许范围。

六、选型与使用注意事项

  • 检查栅极电压余量:确保在所有工作模式下(开、关、瞬态)栅极能达到所需的相对电位以保证可靠导通/截止。
  • 注意 ESD 防护:MOSFET 对静电敏感,装配与测试阶段遵循防静电规范。
  • 查看完整数据手册:本概述基于关键参数,实际引脚排列、极限值、温度依赖曲线及典型特性曲线应以官方数据表为准。

七、总结

BRCS5P06MA 以其 60 V 耐压、≈103 mΩ 的导通电阻(在 |Vgs|=4.5 V 下)和小尺寸 SOT‑23 封装,适合做高侧开关与便携设备的电源管理元件。在选型与电路设计时需重视栅极驱动电平与热管理,以保证在目标工况下既能获得低损耗导通,又能避免因封装热限制导致的性能退化。详细电路与热设计建议请结合器件完整数据手册与实际 PCB 布局验证。

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