WMSIC Electronic Components

Chipanalog CA-IS3211VCU

ModelCA-IS3211VCU
PackageDUB8
BrandChipanalog
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
Chipanalog CA-IS3211VCU
Type
CHIPANALOG
Minimum package
800 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CHIPANALOG
Electronic Component
CA-IS3211VCU
Electronic Component
1
Package
DUB8
Electronic Component
Isolated Gate Driver
Electronic Component
1.443g
Electronic Component
1
Channel Count
1
CMTI(kV/us)
150kV/us
Electronic Component
BM0228973848
Operating Temperature
40℃~+150℃@(Tj)
Load Type
IGBT;MOSFET
Current(IOH)
5A
Current(IOL)
6A
(tr)
28ns

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

CA-IS3211VCU 产品概述

一、产品简介

CA-IS3211VCU 是川土微(Chipanalog)推出的一款单通道数字隔离器/隔离型门驱动器,针对 IGBT 与 MOSFET 的栅极驱动应用优化。器件在 DUB8 紧凑封装内集成高共模瞬态抗扰度(CMTI)和强劲的驱动能力,适用于工业逆变、电机驱动、电力电子变换器等要求高电压隔离与快速开关的场景。

二、主要电气参数

  • 通道数:1
  • 驱动侧工作电压(VDD_DRV):14 V ~ 30 V(适配常见栅极驱动电压)
  • 拉电流(IOH,源):5 A;灌电流(IOL,汇):6 A(强驱动能力,支持大电容栅极)
  • 传播延迟:tpLH = 105 ns,tpHL = 105 ns(上升/下降延迟对称)
  • 上升/下降时间:tr = 28 ns,tf = 25 ns(快速开关响应)
  • 共模瞬态抑制:CMTI = 150 kV/μs(适应高 dV/dt 环境,降低误触发风险)
  • 工作结温范围:-40 ℃ ~ +150 ℃(Tj,满足宽温度工业级要求)
  • 负载类型:IGBT / MOSFET
  • 封装:DUB8

三、产品特点与优势

  • 高驱动电流:5 A / 6 A 的源/汇能力能够快速充放大电容型栅极,缩短开关转换时间,降低开关损耗。
  • 优良的抗扰度:150 kV/μs 的 CMTI 使器件在高 dV/dt 的功率级按钮环境中仍稳定工作。
  • 宽工作电压:14–30 V 驱动电压覆盖主流栅极驱动要求,便于与各种功率器件匹配。
  • 对称的传播延迟与快速边沿:一致的 tpLH/tpHL 与短 tr/tf,有利于精确时序控制与降低交越损耗。
  • 高温稳定性:-40~+150 ℃ 的结温范围适应严苛工业与车规级环境。

四、典型应用场景

  • 中小功率逆变器、太阳能逆变器与能量变换器的隔离栅极驱动。
  • 工业电机驱动与伺服放大器的高压开关控制。
  • 伺服驱动、电动车充电桩及轨道交通等需要高 CMTI 和温度耐受性的场合。
  • 各类半桥/全桥拓扑中的高侧或低侧隔离驱动。

五、设计与使用建议

  • 旁路与去耦:在驱动侧电源引脚附近放置 0.1 μF 陶瓷旁路电容,并配合 1–10 μF 的储能电容,靠近封装焊盘布局以减少寄生电感。
  • 栅极电阻选择:根据器件开关速度与 EMI 要求调整栅阻,通常建议从 2 Ω–20 Ω 范围开始调试;大电流情况下适当增大阻值以限制 di/dt 和振铃。
  • 布局注意:保持驱动引线短且粗,减小走线环路面积;将高频电流回路与敏感信号隔离,避免共模干扰耦合。
  • 热管理:尽管器件工作温度范围宽,但在连续高载流与高开关频率下应考虑散热路径与 PCB 铜箔面积以降低结温。
  • 保护措施:推荐外接箝位、RC 吸收或 TVS 以抑制过压尖峰;在并联应用中注意驱动器的一致性与负载分配。

六、结语

CA-IS3211VCU 以高驱动电流、卓越的共模瞬态抑制及工业级温度能力,为 IGBT/MOSFET 隔离驱动提供了一种紧凑且可靠的解决方案。合理的 PCB 布局、去耦与栅极匹配能充分发挥该器件在高性能功率电子系统中的优势。若需更详细的时序图、引脚说明或典型应用电路,请参阅厂商规范书或联系技术支持。

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