WMSIC Electronic Components

Chipanalog CA-IS3105W

ModelCA-IS3105W
PackageSOIC-16-WB
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 Option 64857

Availability on request

Technical data

Product details

19 specifications

Core information

Product name
Chipanalog CA-IS3105W
Type
CHIPANALOG
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CHIPANALOG
Electronic Component
CA-IS3105W
Electronic Component
1
Package
SOIC-16-WB
Electronic Component
Isolated DC / DCConverter
Electronic Component
100mV
Electronic Component
1.157g
Electronic Component
1
Features
Built-in
Electronic Component
BM0227514268
Operating Temperature
40℃~+125℃
Voltage
5V
Output Power
650mW
Output Voltage
3.3V;3.7V;5.4V;5V
Output Current
130mA

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

CA-IS3105W — 全集成隔离电源产品概述

一、产品简介

CA-IS3105W 是川土微(Chipanalog)推出的一款全集成隔离式直流-直流转换模块,专为需要板级隔离、低功耗和高度可靠性的工业与仪表级应用设计。模块在单一 5V 输入下可提供多种输出电压版本(3.3V、3.7V、5.0V、5.4V),最大输出功率为 650mW,适合为隔离的逻辑、传感器前端或低功率模拟电路供电。

二、主要性能与特点

  • 输出功率:650 mW(最大)
  • 输入电压:5.0 V(标称)
  • 输出电压选项:3.3 V、3.7 V、5.0 V、5.4 V
  • 输出电流:最大 130 mA
  • 隔离电压(绝缘耐压):5 kV
  • 输出纹波:最大 100 mV(峰-峰)
  • 工作温度范围:-40 ℃ 至 +125 ℃
  • 保护与可靠性:打嗝限流(Hiccup mode)过流保护;内部软启动以限制启动电流冲击
  • 封装:SOIC-16-WB(宽体 SOIC-16),便于波峰/回流焊接与手工调试

三、设计优势

  • 全集成解决方案:内部集成高压转换和控制逻辑,减少外部元件数量与系统设计复杂度。
  • 高隔离等级:5 kV 隔离满足大多数工业控制和信号隔离需求,可有效阻断地电位回路和高压干扰。
  • 可靠的保护机制:内置软启动与打嗝限流在上电与故障条件下能保护模块与下游负载,提升系统健壮性。
  • 宽温度覆盖:-40~+125 ℃ 适合户外、工业级及极端环境应用。

四、典型应用场景

  • 隔离型传感器前端与数据采集(ADCs 隔离供电)
  • 工业控制与PLC I/O 隔离电源
  • 通信接口隔离(RS-485、CAN 等差分总线供电隔离)
  • 隔离式测量与医疗器械次级电源(需符合相应认证)
  • 便携式/电池供电设备中为高压侧或噪声敏感电路提供隔离供电

五、布局与使用建议

  • 输入侧与输出侧地(GND)必须保持绝对隔离,遵循产品手册中的最小爬电/工频间隙要求。
  • 输入与输出电容应靠近模块引脚布置,以抑制开关噪声与纹波;推荐使用低 ESR 电容。
  • 模块四周避免大面积金属地或散热铜箔跨越隔离区,以免降低爬电距离或引起寄生耦合。
  • 对于敏感模拟电路,可在输出端追加 LC 滤波以进一步降低纹波(注意功耗与稳定性影响)。
  • 在高湿或灰尘环境中,若系统对污秽和爬电有更高要求,应配合外部满足更高电气安全等级的绝缘措施。

六、封装与可靠性

CA-IS3105W 采用 SOIC-16-WB 宽体封装,提供良好机械强度及可焊接性。模块通过了工业温度验证,适合长期在严苛环境中工作。封装布局便于自动化贴装,适合批量生产。

七、选型与注意事项

  • 根据系统电压需求选择相应输出版本(3.3V / 3.7V / 5.0V / 5.4V),并注意留有裕量,避免长期满载运行。
  • 若系统需要更高输出功率或更低纹波,应考虑并联或选用更大功率的隔离模块。
  • 对于医疗、电源安全等级(如 BF/CF、II 类)或功能安全(SIL)等应用,请在设计阶段与厂商确认认证与适配性。

八、总结

CA-IS3105W 提供了一个体积小、可靠性高且易于集成的隔离供电方案,适用于多种需要板级隔离的工业与仪表应用。其 5 kV 隔离、内置软启动与打嗝限流等设计,能够在保障安全的同时简化系统设计。欲获取典型电路、引脚定义和详细电气特性,请参阅川土微官方数据手册或联系技术支持。

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