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最新 AMC0300D-Q1 現行 具有差動輸入的車用、精密 ±250mV 輸入強化型隔離放大器 New generation drop in replacement

產品詳細資料

Device type Current sensing Output type Differential Peak-to-peak input voltage range (V) 0.25 Isolation rating Reinforced Withstand isolation voltage (VISO) (Vrms) 5000 Working isolation voltage (VIOWM) (Vrms) 1500 Transient isolation voltage (VIOTM) (VPK) 7071 CMTI (min) (kV/µs) 75 Creepage (min) (mm) 8.5 Clearance (min) (mm) 8.5 Input offset (±) (max) (V) 0.0002 Input offset drift (±) (typ) (µV/°C) 1 Rating Automotive Operating temperature range (°C) -40 to 125 TI functional safety category Functional Safety-Capable
Device type Current sensing Output type Differential Peak-to-peak input voltage range (V) 0.25 Isolation rating Reinforced Withstand isolation voltage (VISO) (Vrms) 5000 Working isolation voltage (VIOWM) (Vrms) 1500 Transient isolation voltage (VIOTM) (VPK) 7071 CMTI (min) (kV/µs) 75 Creepage (min) (mm) 8.5 Clearance (min) (mm) 8.5 Input offset (±) (max) (V) 0.0002 Input offset drift (±) (typ) (µV/°C) 1 Rating Automotive Operating temperature range (°C) -40 to 125 TI functional safety category Functional Safety-Capable
SOIC (DWV) 8 67.275 mm² 5.85 x 11.5
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to 125°C, TA
  • Functional Safety-Capable
  • ±250-mV input voltage range optimized for current measurements using shunt resistors
  • Fixed gain: 8.2 V/V
  • Low DC errors:
    • Offset error: ±0.2 mV (max)
    • Offset drift: ±0.9 µV/°C (max)
    • Gain error: ±0.3% (max)
    • Gain drift: ±30 ppm/°C (max)
    • Nonlinearity: 0.03% (max)
  • 3.3-V or 5-V operation on high-side and low-side
  • Fail-safe output
  • High CMTI: 100 kV/µs (min)
  • Low EMI, meets CISPR-11 and CISPR-25 standards
  • Safety-related certifications:
    • 7071-VPK reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
    • 5000-VRMS isolation for 1 minute per UL1577
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to 125°C, TA
  • Functional Safety-Capable
  • ±250-mV input voltage range optimized for current measurements using shunt resistors
  • Fixed gain: 8.2 V/V
  • Low DC errors:
    • Offset error: ±0.2 mV (max)
    • Offset drift: ±0.9 µV/°C (max)
    • Gain error: ±0.3% (max)
    • Gain drift: ±30 ppm/°C (max)
    • Nonlinearity: 0.03% (max)
  • 3.3-V or 5-V operation on high-side and low-side
  • Fail-safe output
  • High CMTI: 100 kV/µs (min)
  • Low EMI, meets CISPR-11 and CISPR-25 standards
  • Safety-related certifications:
    • 7071-VPK reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
    • 5000-VRMS isolation for 1 minute per UL1577

The AMC1300B-Q1 is a precision, isolated amplifier with an output separated from the input circuitry by an isolation barrier that is highly resistant to magnetic interference. This barrier is certified to provide reinforced galvanic isolation of up to 5 kVRMS according to DIN EN IEC 60747-17 (VDE 0884-17) and UL1577, and supports a working voltage of up to 1.5 kVRMS.

The isolation barrier separates parts of the system that operate on different common-mode voltage levels and protects the low-voltage side from hazardous voltages and damage.

The input of the AMC1300B-Q1 is optimized for direct connection to a low-impedance shunt resistor or other low-impedance voltage source with low signal levels. The excellent DC accuracy and low temperature drift supports accurate current control in PFC stages, DC/DC converters, traction inverters, and OBCs over the full automotive temperature range from –40°C to +125°C.

The integrated missing-shunt and missing high-side supply detection features simplify system-level design and diagnostics.

The AMC1300B-Q1 is a precision, isolated amplifier with an output separated from the input circuitry by an isolation barrier that is highly resistant to magnetic interference. This barrier is certified to provide reinforced galvanic isolation of up to 5 kVRMS according to DIN EN IEC 60747-17 (VDE 0884-17) and UL1577, and supports a working voltage of up to 1.5 kVRMS.

The isolation barrier separates parts of the system that operate on different common-mode voltage levels and protects the low-voltage side from hazardous voltages and damage.

The input of the AMC1300B-Q1 is optimized for direct connection to a low-impedance shunt resistor or other low-impedance voltage source with low signal levels. The excellent DC accuracy and low temperature drift supports accurate current control in PFC stages, DC/DC converters, traction inverters, and OBCs over the full automotive temperature range from –40°C to +125°C.

The integrated missing-shunt and missing high-side supply detection features simplify system-level design and diagnostics.

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重要文件 類型 標題 格式選項 日期
* Data sheet AMC1300B-Q1 Automotive, Precision, ±250-mV Input, Reinforced Isolated Amplifier datasheet (Rev. B) PDF | HTML 2022年 6月 15日
Certificate VDE Certificate for Reinforced Isolation for DIN EN IEC 60747-17 (Rev. Z) 2026年 1月 8日
Application note Isolated Converters CISPR25 Radiated Emissions PDF | HTML 2025年 10月 13日
Analog Design Journal Design considerations for isolated current sensing (Rev. A) PDF | HTML 2024年 6月 27日
White paper Comparing Isolated Amplifiers and Isolated Modulators (Rev. B) PDF | HTML 2024年 6月 4日
E-book An Engineer's Guide to Isolated Signal Chain Solutions PDF | HTML 2024年 5月 23日
Application note Designing a Bootstrap Charge-Pump Power Supply for an Isolated Amplifier PDF | HTML 2023年 9月 25日
Application brief Interfacing a Differential-Output (Isolated) Amp to a Single-Ended Input ADC (Rev. B) PDF | HTML 2023年 6月 2日
Application brief Shunt Resistor Selection for Isolated Data Converters PDF | HTML 2023年 5月 4日
Application brief Comparing shunt- and hall-based isolated current-sensing solutions in HEV/EV (Rev. C) PDF | HTML 2023年 3月 28日
White paper Best in Class Radiated Emissions EMI Performance with Isolated Amplifiers (Rev. A) PDF | HTML 2023年 3月 15日
Circuit design Isolated Current-Sensing Circuit W/ ±250-mV Input Range & Single-Ended Output PDF | HTML 2022年 6月 27日
Functional safety information AMC1300B-Q1 Functional Safety FIT Rate, FMD and Pin FMA PDF | HTML 2021年 12月 15日
Application note Isolated Voltage-Measurement Circuit With ±250-mV Input and Differential Output (Rev. A) 2021年 9月 9日
Circuit design Isolated current-measurement circuit with ±250-mV input and differential output 2020年 7月 23日

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開發板

AMC-AMP-50A-EVM — 適用於 ±50A AMCxx 放大器的評估模組

AMP-50A 是一款隔離式電流感測評估模組 (EVM) ,專為 ±50A 分流架構電流感測設計。此 EVM 可讓使用者透過外部分流電阻器感測高達 ±50A 峰值電流,同時透過 AMC3302 的隔離層測量隔離輸出。AMC3302 是一款針對分流架構電流量測最佳化的精密隔離式放大器,並與 Isabellenhütte BVN-BVN- M R001 分流電阻器配對。此 EVM 透過拼接提供在大電流下促進散熱,並可在 ±1% (典型) 準確度內運作。
使用指南: PDF | HTML
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開發板

AMC1300EVM — 具有高 CMTI 的 AMC1300 ± 250-mV 輸入、強化型隔離放大器評估模組

AMC1300 評估模組 ( EVM) 是適用於評估 AMC1300 的平台,該元件是一款 7-kV 增強型隔離放大器,專為電流分流測量應用而設計。AMC1300EVM 允許使用者探索 AMC1300 的所有功能。

使用指南: PDF
TI.com 無法提供
模擬型號

AMC1300 and AMC1300B-Q1 PSpice Model (Rev. A)

SBAM460A.ZIP (12 KB) - PSpice Model
模擬型號

AMC13xx TINA-TI SPICE Model for Isolated Voltage-Measurement Circuit

SBAM448.TSC (43 KB) - TINA-TI Spice Model
計算工具

SBAR013 Isolated Amplifier Voltage Sensing Excel Calculator

This calculator provides estimates of the errors associated with using isolation amplifier devices in a voltage sensing configuration.
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計算工具

SBAR020 Isolated Amplifier Current Sensing Excel Calculator

This calculator provides estimates of the errors associated with using isolation amplifier devices in a current sensing configuration.
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模擬工具

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