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INA180-Q1

現行

AEC-Q100、26V、350kHz 電流感測放大器

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產品規格表

INA180-Q1

現行
產品規格表 立即訂購

產品詳細資料

Product type Analog output Common-mode voltage (max) (V) 26 Common-mode voltage (min) (V) -0.2 Input offset (±) (max) (µV) 150 Input offset drift (±) (typ) (µV/°C) 0.2 Features Low-side Capable Rating Automotive Voltage gain (V/V) 20, 50, 100, 200 CMRR (min) (dB) 84 Bandwidth (kHz) 105, 150, 210, 350 Iq (max) (mA) 0.3 Number of channels 1 Comparators (#) 0 Gain error (%) 0.8 Gain error drift (±) (max) (ppm/°C) 20 Slew rate (V/µs) 2 TI functional safety category Functional Safety-Capable Operating temperature range (°C) -40 to 125
Product type Analog output Common-mode voltage (max) (V) 26 Common-mode voltage (min) (V) -0.2 Input offset (±) (max) (µV) 150 Input offset drift (±) (typ) (µV/°C) 0.2 Features Low-side Capable Rating Automotive Voltage gain (V/V) 20, 50, 100, 200 CMRR (min) (dB) 84 Bandwidth (kHz) 105, 150, 210, 350 Iq (max) (mA) 0.3 Number of channels 1 Comparators (#) 0 Gain error (%) 0.8 Gain error drift (±) (max) (ppm/°C) 20 Slew rate (V/µs) 2 TI functional safety category Functional Safety-Capable Operating temperature range (°C) -40 to 125
SOT-23 (DBV) 5 8.12 mm² (2.9 mm × 2.8 mm)
  • AEC-Q100 qualified for automotive applications
    • Temperature grade 1: –40°C ≤ TA ≤ +125°C
    • HBM ESD classification level 2
    • CDM ESD classification level C6
  • Functional Safety-Capable
  • Common-mode range (VCM): –0.2 V to +26 V
  • High bandwidth: 350 kHz (A1 devices)
  • Offset voltage:
    • ±150 µV (maximum) at VCM = 0 V
    • ±500 µV (maximum) at VCM = 12 V
  • Output slew rate: 2 V/µs
  • Accuracy:
    • ±1% gain error (maximum)
    • 1-µV/°C offset drift (maximum)
  • Gain options:
    • 20 V/V (A1 devices)
    • 50 V/V (A2 devices)
    • 100 V/V (A3 devices)
    • 200 V/V (A4 devices)
  • Quiescent current: 260 µA maximum (INA180-Q1)
  • AEC-Q100 qualified for automotive applications
    • Temperature grade 1: –40°C ≤ TA ≤ +125°C
    • HBM ESD classification level 2
    • CDM ESD classification level C6
  • Functional Safety-Capable
  • Common-mode range (VCM): –0.2 V to +26 V
  • High bandwidth: 350 kHz (A1 devices)
  • Offset voltage:
    • ±150 µV (maximum) at VCM = 0 V
    • ±500 µV (maximum) at VCM = 12 V
  • Output slew rate: 2 V/µs
  • Accuracy:
    • ±1% gain error (maximum)
    • 1-µV/°C offset drift (maximum)
  • Gain options:
    • 20 V/V (A1 devices)
    • 50 V/V (A2 devices)
    • 100 V/V (A3 devices)
    • 200 V/V (A4 devices)
  • Quiescent current: 260 µA maximum (INA180-Q1)

The INA180 -Q1, INA2180 -Q1, and INA4180 -Q1 (INAx180 -Q1) current sense amplifiers are designed for cost-optimized applications. These devices are part of a family of current-sense amplifiers (also called current-shunt monitors) that sense voltage drops across current-sense resistors at common-mode voltages from –0.2 V to +26 V, independent of the supply voltage. The INAx180 -Q1 integrate a matched resistor gain network in four, fixed-gain device options: 20 V/V, 50 V/V, 100 V/V, or 200 V/V. This matched gain resistor network minimizes gain error and reduces the temperature drift.

All these devices operate from a single 2.7-V to 5.5-V power supply. The single-channel INA180 -Q1 draws a maximum supply current of 260 µA; whereas, the dual-channel INA2180 -Q1 draws a maximum supply current of 500 µA, and the quad channel draws a maximum supply current of 900 µA.

The INA180 -Q1 is available in a 5-pin, SOT-23 package with two different pin configurations. The INA2180 -Q1 is available in a 8-pin, VSSOP package. The INA4180 -Q1 is available in a 14-pin, TSSOP package. All device options are specified over the extended operating temperature range of –40°C to +125°C.

The INA180 -Q1, INA2180 -Q1, and INA4180 -Q1 (INAx180 -Q1) current sense amplifiers are designed for cost-optimized applications. These devices are part of a family of current-sense amplifiers (also called current-shunt monitors) that sense voltage drops across current-sense resistors at common-mode voltages from –0.2 V to +26 V, independent of the supply voltage. The INAx180 -Q1 integrate a matched resistor gain network in four, fixed-gain device options: 20 V/V, 50 V/V, 100 V/V, or 200 V/V. This matched gain resistor network minimizes gain error and reduces the temperature drift.

All these devices operate from a single 2.7-V to 5.5-V power supply. The single-channel INA180 -Q1 draws a maximum supply current of 260 µA; whereas, the dual-channel INA2180 -Q1 draws a maximum supply current of 500 µA, and the quad channel draws a maximum supply current of 900 µA.

The INA180 -Q1 is available in a 5-pin, SOT-23 package with two different pin configurations. The INA2180 -Q1 is available in a 8-pin, VSSOP package. The INA4180 -Q1 is available in a 14-pin, TSSOP package. All device options are specified over the extended operating temperature range of –40°C to +125°C.
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重要文件 類型 標題 格式選項 下載最新的英文版本 日期
* 資料表 INAx180-Q1 Automotive, Low- and High-Side Voltage Output, Current-Sense Amplifiers datasheet (Rev. D) PDF | HTML 2022/7/19
應用說明 Using a PCB Copper Trace as a Current Sense Shunt Resistor (Rev. A) PDF | HTML 2026/4/27
類比設計期刊 Designing real-time diagnostic circuits for automotive audio applications PDF | HTML 2025/11/18
應用說明 Risks and Prevention of ESD, EOS, and Latch Up Events for Current Sense Amplifiers PDF | HTML 2024/11/18
功能安全資訊 INAx18x-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA (Rev. B) PDF | HTML 2023/10/30
Application brief 12-V Battery Monitoring in an Automotive Module (Rev. A) PDF | HTML 2022/3/10
選擇指南 Current Sense Amplifiers (Rev. E) 2021/9/20
應用說明 Evaluating Current Sensing Amplifiers in Body Control Modules Using Simulation 2019/12/16
應用說明 Low-side current shunt monitor circuit to 3-V single-ended ADC 2019/6/6
Circuit design Fast-response overcurrent event detection circuit 2019/5/27
應用說明 Closed-Loop Analysis of Load-Induced Amplifier Stability Issues Using Zout 2017/10/27
Application brief Low-Side Current Sense Circuit Integration 2017/3/30

設計與開發

如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。

開發板

INA180-181EVM — INA180 和 INA181 評估模組

INA180 是運算放大器電流感測整合電路，提供易用性與高性能。INA181 具有與 INA180 相同的功能，但增加了可進行雙向電流測量的參考針腳。INA180-181EVM 旨在提供對此裝置系列的基本功能評估。  此固定裝置配置並非用作目標電路模型，亦非針對電磁相容性 (EMC) 測試所採取的配置。INA180-181EVM 包含一個 PCB，可選擇裁切八個獨立 PCB，適用於八部裝置 (INA180A1、INA180A2、INA180A3、INA180A4、INA181A1、INA181A2、INA181A3 和 INA181A4) 中的每一部。
使用指南: PDF
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模擬型號

INA180 PSpice Model (Rev. A)

SBOMAD0A.ZIP (119 KB) - PSpice 模型
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模擬型號

INA180 TINA-TI Reference Design (Rev. A)

SBOMAD1A.TSC (2797 KB) - TINA-TI 參考設計
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模擬型號

INA180 TINA-TI Spice Model (Rev. A)

SBOMAD2A.ZIP (37 KB) - TINA-TI Spice 模型
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模擬型號

INA180A1 PSpice Model

SBOMBC4.ZIP (18 KB) - PSpice 模型
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模擬型號

INA180A2 PSpice Model

SBOMBB4.ZIP (20 KB) - PSpice 模型
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模擬型號

INA180A3 PSpice Model

SBOMBB5.ZIP (20 KB) - PSpice 模型
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模擬型號

INA180A4 PSpice Model

SBOMBB6.ZIP (20 KB) - PSpice 模型
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模擬工具

TINA-TI — 基於 SPICE 的類比模擬程式

TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)

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計算工具

ANALOG-ENGINEER-CALC — PC software analog engineer's calculator

類比工程師的計算機旨在加速類比電路設計工程師定期使用的許多重複計算。此基於 PC 的工具提供圖形介面，列出各種常見計算，從使用回饋電阻器設定運算放大器增益到選擇適當的電路設計元件以穩定類比數位轉換器 (ADC) 驅動緩衝電路。

除了作為獨立工具使用外，此計算機還與類比工程師口袋參考中描述的概念相得益彰。

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計算工具

CS-AMPLIFIER-ERROR-TOOL — Current Sense Amplifier Comparison and Error Tool

此 Excel 計算機提供兩個與五個標準電流感測放大器的比較，並提供包含各裝置基本參數的圖表。此計算機也會採用使用者的系統條件輸入，例如共模電壓、供應電壓、分流電阻器值與公差，然後在可調整電流範圍中繪製錯誤曲線。此外，計算機會根據計算的全刻度輸入電壓除以最大量測電流，輸出最大分流值 (mΩ)。
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參考設計

TIDA-00302 — 具瞬態穩定性的電流分流監控器參考設計

此高壓側電流分流監控器可用於測量電流通過电流感测電阻器時在电阻器上所形成的電壓。

此外，實作外部保護電路以提供突波和快速暫態保護，並針對 IEC61000-4-4 和 IEC61000-4-5 展示不同的抗擾度等級。

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