WMSIC Electronic Components

Infineon BSZ0904NSIATMA1

ModelBSZ0904NSIATMA1
PackageTSDSON-8
BrandInfineon
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
Infineon BSZ0904NSIATMA1
Type
INFINEON
Minimum package
5000

Technical parameters

Electronic Component
INFINEON
Electronic Component
BSZ0904NSIATMA1
Electronic Component
1
Package
TSDSON-8
Electronic Component
1 N
Electronic Component
MOSFET
Electronic Component
0.13g
Electronic Component
1
Electronic Component
BM0058413603
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
37W;2.1W
Electronic Component
5000
Voltage(Vdss)
30V
Capacitor(Ciss)
1.463nF
Resistor(RDS(on))
4mΩ@10V

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

BSZ0904NSIATMA1 产品概述

一、产品简介

BSZ0904NSIATMA1 是英飞凌(Infineon)推出的一款低导通电阻 N 沟道功率 MOSFET,工作耐压 30V,面向开关电源与功率管理场景优化。该器件在 10V 门极驱动下拥有极低的 RDS(on),适合高效率同步整流、降压转换和高频开关应用。器件在宽温区间(Tj -55℃ 至 +150℃)内保持良好性能,适合工业级与汽车电子周边应用(需按系统规范验证)。

二、主要电气参数

  • 漏源电压 Vdss:30 V
  • 导通电阻 RDS(on):4 mΩ @ VGS=10V, ID=30A(典型低阻值,利于降低导通损耗)
  • 阈值电压 VGS(th):2 V(典型)
  • 连续漏极电流 ID:18 A(常规连续额定);脉冲电流可达 40 A(脉冲条件下,需参考封装和热限制)
  • 总栅极电荷 Qg:11 nC @ VGS=4.5V(门极驱动能量需求较低,便于高频驱动)
  • 输入电容 Ciss:约 1.463 nF @ 15 V;反向传输电容 Crss:约 64 pF @ 15 V(影响开关过渡与死区设计)
  • 功率耗散 Pd:列出 37 W 与 2.1 W 两组数值(表明在不同测试或布局/散热条件下 Pd 有显著差异,实际设计应以具体 PCB 散热方案和数据手册为准)

三、封装与热特性

  • 封装:TSDSON-8(热性能优良,适合紧凑型高密度电路板)
  • 工作结温范围:-55℃ ~ +150℃(Tj)
    封装在 PCB 上的实际散热能力依赖铜箔面积、过孔与散热层设计。Pd 和连续电流的允许值会随 PCB 工艺和环境温度变化,建议在布局初期就预留足够散热铜箔与多点热流路径。

四、典型应用场景

  • 同步整流降压 DC-DC 转换器(高效率、低导通损耗)
  • 负载开关与电源分配(低压大电流)
  • 汽车与工业电子的电力管理模块(在符合系统级热设计和可靠性要求下)
  • 电机驱动前端、功率级开关器件(需结合驱动电路和散热措施评估)

五、设计与使用建议

  • 驱动电压:为达到标称 RDS(on),建议使用 10V 门极驱动;若采用 4.5V 驱动,注意 RDS(on) 可能上升,需要在热预算中考虑。
  • Gate 驱动与布局:根据 Qg=11nC 选配合适驱动器与门阻,控制开关损耗与 EMI;主电源回路尽量缩短,使用 Kelvin 源引脚或单独地线以降低寄生阻感。
  • 散热设计:在 PCB 设计时扩大散热铜箔、加布过孔并考虑多层散热层,以发挥 TSDSON-8 的热性能。
  • 保护与可靠性:建议加入适当的斜率控制、RC 缓冲、浪涌保护与温度监控,避免在热限制边界长期工作。

六、选型要点与注意事项

在采用 BSZ0904NSIATMA1 时,重点评估系统所需的连续与脉冲电流、实际工作环境温度和 PCB 散热能力;核对数据手册中不同测试条件下的 Pd、RDS(on) 与 SOA 限制。若系统要求更高 VGS 兼容性或更高电流裕量,应比较同系列或其它封装的器件以确定最优方案。

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