WMSIC Electronic Components

XBLW INA180A3IDBVR

ModelINA180A3IDBVR(XBLW)
PackageSOT23-5
BrandXBLW
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
XBLW INA180A3IDBVR(XBLW)
Type
XBLW
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
XBLW
Electronic Component
INA180A3IDBVR(XBLW)
Electronic Component
100V/V
Electronic Component
1
Package
SOT23-5
Electronic Component
150kHz
Electronic Component
Current Sense Amplifier
Electronic Component
0.044g
Electronic Component
1
Common Mode Voltage
200mV~30V
Electronic Component
BM0265609068
Operating Temperature
40℃~+125℃
Voltage
±30V
Amplifier
1
(SR)
6V/us

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

INA180A3IDBVR(XBLW芯伯乐)产品概述

一、产品核心定位与目标应用

INA180A3IDBVR是XBLW(芯伯乐)推出的单路固定增益仪表放大器,专为工业控制、汽车电子等对「宽共模电压、宽温范围、小体积」有严格要求的场景设计。其核心价值是替代传统「运放+外部电阻」的复杂方案,提供高集成度、低成本的精密信号调理解决方案。

目标应用场景具体包括:

  • 电机驱动系统的相电流检测(共模电压覆盖电机母线30V需求);
  • 电池管理系统(BMS)的串联电池组电流/电压检测(适应-40℃~+125℃宽温);
  • 工业传感器(压力、流量等)的mV级输出放大;
  • 汽车ECU的模拟信号采集(符合汽车级宽温与小封装要求)。

二、关键性能参数解析

INA180A3IDBVR的核心参数围绕「宽共模、高增益、宽温」三大优势设计,结合实际场景解析如下:

1. 宽共模电压范围(-200mV~30V)

这是产品的核心竞争力:普通运放共模电压通常限制在电源电压范围内(如V+±1V),而该产品可在输入共模电压高达30V时正常工作(即使电源为20V),无需额外隔离电路。例如,电机绕组电流检测中,输入信号为mV级,但共模电压随母线可达30V,该放大器可直接采集信号,避免失真。

2. 固定增益100V/V

采用内部集成电阻实现100倍固定增益,无需外部匹配电阻——既简化电路设计,又减少了外部电阻带来的噪声与增益误差。对于小信号放大(如分流电阻输出的mV级电流信号),固定增益可确保输出幅度匹配ADC输入范围。

3. 150kHz带宽

适合中等频率信号处理,可覆盖电机控制PWM信号(20kHz~100kHz)、传感器动态信号等场景,避免高频信号失真。

4. 输入失调电压(100uV)与偏置电流(-6uA)

  • 输入失调电压100uV:经100倍增益后输出失调仅10mV,对于12位ADC(LSB≈2.4mV),误差在4个LSB以内,满足精密检测需求;
  • 输入偏置电流-6uA:若输入信号源内阻为1kΩ,偏置电流带来的电压误差仅6mV,对多数工业场景影响可忽略。

5. 宽温工作范围(-40℃~+125℃)

符合汽车级(AEC-Q100)与工业级宽温要求,可在极端环境下稳定工作(如汽车发动机舱高温、北方户外设备低温)。

三、封装与可靠性设计

INA180A3IDBVR采用SOT23-5超小封装,尺寸仅2.9mm×1.6mm×1.0mm,适合高密度PCB设计(如汽车ECU、便携测试仪器)。引脚配置符合标准SOT23-5定义,兼容同类产品(如TI INA180系列),便于客户替换升级。

可靠性设计亮点:

  • 内置ESD防护(HBM 2kV标准),可承受生产与使用中的静电冲击;
  • 抗干扰CMOS工艺,减少电源噪声与电磁干扰影响;
  • 耐高温封装材料,确保宽温范围内的长期稳定性。

四、典型应用电路示例

以电机相电流检测为例,电路设计极简:

  1. 输入:分流电阻R_s(如20mΩ)两端接放大器IN+、IN-,电机母线30V作为共模电压;
  2. 电源:V+接20V~30V电源,V-接地;
  3. 输出:OUT接MCU的ADC输入(如12位ADC,参考电压5V)。

当电机电流为10A时,分流电阻输出200mV信号,经100倍增益后输出2V——正好匹配ADC输入范围(0~5V),无需额外分压电路。

五、选型优势对比

与同类进口产品(如TI INA180A3IDBVR)相比,INA180A3IDBVR(XBLW)具备明显优势:

  • 成本优势:国产自主研发,价格比进口产品低20%~30%;
  • 宽共模覆盖:支持-200mV负共模电压,部分进口产品仅支持0~30V;
  • 供货稳定:本地化生产能力,可满足批量订单需求;
  • 宽温兼容:符合汽车级宽温,部分竞品仅提供工业级(-40℃~+85℃)。

综上,INA180A3IDBVR是一款高性价比的单路仪表放大器,适合对宽共模、宽温、小体积有需求的工业与汽车电子场景,可有效简化电路设计并降低成本。

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