WMSIC Electronic Components

BELLING BL7142WL

ModelBL7142WL
PackageSOIC-16-300mil
BrandBELLING
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
BELLING BL7142WL
Type
BELLING
Minimum package
1500 卷

Technical parameters

Electronic Component
Electronic Component
Electronic Component
BELLING
Electronic Component
BL7142WL
Electronic Component
1
Package
SOIC-16-300mil
Electronic Component
Isolated
Electronic Component
0.705g
Electronic Component
1
CMTI(kV/us)
100kV/us
Features
Output; Signal Isolated
Electronic Component
BM0230029843
Operating Temperature
40℃~+125℃
Output
Level
Channel Count
2
Channel Count
2
(tpd)
11ns

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

BL7142WL 高速双向数字隔离器产品概述

BL7142WL是贝岭(BELLING) 推出的一款高性能双向数字隔离器,专为需要电气隔离与高速数据传输的场景设计,兼具宽电压范围、高抗干扰能力与工业级可靠性,适用于工业自动化、医疗设备、通信系统等多领域应用。

一、产品核心定位与价值

BL7142WL针对“电气隔离+双向高速通信”的双重需求优化,核心价值体现在:

  1. 双向通道设计:同时支持正向、反向各2通道数据传输,满足双向交互场景(如SPI、I2C等总线隔离);
  2. 高速低延迟:100Mbps最大数据速率+11ns传播延迟,保障高速数据链路的实时性;
  3. 强隔离与抗干扰:5000Vrms隔离电压、100kV/us CMTI(共模瞬态抑制比),可有效隔离高低压电路并抑制共模干扰;
  4. 宽适配性:2.5V~5.5V的VCCA/VCCB电源电压范围,兼容主流MCU/ASIC的IO电平;
  5. 工业级宽温:-40℃~+125℃工作温度,满足 harsh环境下的稳定运行。

二、关键性能参数详解

BL7142WL的核心参数覆盖隔离、传输、电源、环境四大维度,具体如下:

1. 隔离与抗干扰参数

  • 隔离电压(Vrms):5000V:符合工业级高隔离标准,可安全隔离高压电路(如电机驱动、电源模块)与低压控制电路,避免高压击穿风险;
  • CMTI:100kV/us:共模瞬态抑制比是衡量抗共模干扰能力的关键指标,100kV/us意味着在强干扰环境(如工厂电磁辐射、汽车点火干扰)下,仍能保持数据传输的准确性。

2. 传输性能参数

  • 通道数:正向2、反向2:双向4通道(2入2出),支持全双工或半双工双向数据交互,适配SPI、I2C、GPIO等多种数字总线;
  • 最大数据速率:100Mbps:满足高速数据传输需求(如视频流、高速SPI通信);
  • 传播延迟(tpd):11ns:低延迟设计可减少数据传输的时间差,保障实时性(如伺服系统的位置反馈);
  • 默认输出:低电平:上电或掉电时自动输出低电平,避免误触发下游电路,提升系统稳定性。

3. 电源与环境参数

  • 电源电压范围:VCCA/VCCB 2.5V~5.5V:兼容3.3V、5V等主流电源电平,无需额外电平转换;
  • 工作温度:-40℃~+125℃:覆盖工业级(-4085℃)与汽车级(-40125℃)温区,适用于户外、车载等极端环境。

三、封装与应用场景

BL7142WL采用SOIC-16-300mil 标准封装,引脚间距300mil(0.762mm),符合通用贴片工艺要求,易焊接且兼容性强,广泛应用于以下场景:

1. 工业自动化

  • PLC(可编程逻辑控制器):隔离数字输入/输出模块,防止现场高压干扰损坏控制器;
  • 伺服驱动/变频器:隔离功率电路与控制电路,保障系统安全与稳定;
  • 传感器节点:隔离模拟前端与数字处理单元,提升信号精度。

2. 医疗设备

  • 监护仪/呼吸机:隔离患者端电路与控制端电路,满足医疗设备的电气安全标准(如IEC 60601);
  • 超声设备:隔离探头与主机,减少电磁干扰对成像质量的影响。

3. 通信与汽车电子

  • 通信基站:隔离射频模块与基带处理单元,抑制电磁干扰;
  • 车载系统:隔离车身控制模块(BCM)与传感器,适应汽车级宽温与振动环境。

四、可靠性与品牌保障

贝岭作为国内知名半导体设计企业,BL7142WL遵循工业级可靠性标准,经过严格的ESD、EMI测试与环境应力筛选(ESS),确保产品在长期使用中的稳定性。其宽电压、宽温与高隔离参数,使其成为替代进口同类产品的高性价比选择。

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