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隔離
隔離式比較器

AMC23C14

現行

具有可調閥值的雙路、快速回應、強化型隔離窗型比較器

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產品規格表

AMC23C14

現行
產品規格表 立即訂購

產品詳細資料

Number of channels 2 Output type Open-drain Propagation delay time (µs) 0.36 CMTI (min) (kV/µs) 55 Rating Catalog Operating temperature range (°C) -40 to 125 Isolation rating Reinforced Withstand isolation voltage (VISO) (Vrms) 5000 Transient isolation voltage (VIOTM) (VPK) 7070 Working isolation voltage (VIOWM) (Vrms) 750 Creepage (min) (mm) 8.5 Clearance (min) (mm) 8.5
Number of channels 2 Output type Open-drain Propagation delay time (µs) 0.36 CMTI (min) (kV/µs) 55 Rating Catalog Operating temperature range (°C) -40 to 125 Isolation rating Reinforced Withstand isolation voltage (VISO) (Vrms) 5000 Transient isolation voltage (VIOTM) (VPK) 7070 Working isolation voltage (VIOWM) (Vrms) 750 Creepage (min) (mm) 8.5 Clearance (min) (mm) 8.5
SOIC (DWV) 8 67.275 mm² (5.85 mm × 11.5 mm)
  • Wide high-side supply range: 3V to 27V
  • Low-side supply range: 2.7V to 5.5V
  • Dual window comparator:
    • Window comparator 1: ±20mV to ±300mV adjustable threshold
    • Window comparator 2: ±300mV fixed threshold
  • Supports positive-comparator mode:
    • Cmp0: 600mV to 2.7V adjustable threshold
    • Cmp2: 300mV fixed threshold
    • Cmp1 and Cmp3: Disabled
  • Reference for threshold adjustment: 100µA, ±1%
  • Trip threshold error: ±1% (max) at 250mV
  • Open-drain outputs
  • Propagation delay: 280ns (typ)
  • High CMTI: 15V/ns (min)
  • Safety-related certifications:
    • 7000VPK reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
    • 5000VRMS isolation for 1 minute per UL1577
  • Fully specified over the extended industrial temperature range: –40°C to +125°C
  • Wide high-side supply range: 3V to 27V
  • Low-side supply range: 2.7V to 5.5V
  • Dual window comparator:
    • Window comparator 1: ±20mV to ±300mV adjustable threshold
    • Window comparator 2: ±300mV fixed threshold
  • Supports positive-comparator mode:
    • Cmp0: 600mV to 2.7V adjustable threshold
    • Cmp2: 300mV fixed threshold
    • Cmp1 and Cmp3: Disabled
  • Reference for threshold adjustment: 100µA, ±1%
  • Trip threshold error: ±1% (max) at 250mV
  • Open-drain outputs
  • Propagation delay: 280ns (typ)
  • High CMTI: 15V/ns (min)
  • Safety-related certifications:
    • 7000VPK reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
    • 5000VRMS isolation for 1 minute per UL1577
  • Fully specified over the extended industrial temperature range: –40°C to +125°C

The AMC23C14 is a dual, isolated window comparator with a short response time. The open-drain outputs are 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 5kVRMS according to VDE 0884-17 and UL1577, and supports a working voltage of up to 1kVRMS.

Both comparators have windows centered at 0V, meaning that the comparators trip if the input exceeds the thresholds in a positive or negative direction. One comparator has fixed thresholds of ±300mV. The second comparator has adjustable thresholds from ±20mV to ±300mV through a single external resistor.

The AMC23C14 also supports a positive-comparator only mode. When the voltage on the REF pin is greater than 550mV, the negative comparators are disabled and only the positive comparators are functional. The reference voltage in this mode ranges as high as 2.7V. This mode is particularly useful for monitoring positive voltage supplies.

The AMC23C14 is available in an 8-pin, wide-body SOIC package and is specified over the extended industrial temperature range of –40°C to +125°C.

The AMC23C14 is a dual, isolated window comparator with a short response time. The open-drain outputs are 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 5kVRMS according to VDE 0884-17 and UL1577, and supports a working voltage of up to 1kVRMS.

Both comparators have windows centered at 0V, meaning that the comparators trip if the input exceeds the thresholds in a positive or negative direction. One comparator has fixed thresholds of ±300mV. The second comparator has adjustable thresholds from ±20mV to ±300mV through a single external resistor.

The AMC23C14 also supports a positive-comparator only mode. When the voltage on the REF pin is greater than 550mV, the negative comparators are disabled and only the positive comparators are functional. The reference voltage in this mode ranges as high as 2.7V. This mode is particularly useful for monitoring positive voltage supplies.

The AMC23C14 is available in an 8-pin, wide-body SOIC package and is specified over the extended industrial 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 AMC23C14 Dual, Fast Response, Reinforced Isolated Window Comparator With Adjustable Threshold datasheet (Rev. B) PDF | HTML 2024/12/12
證書 VDE Certificate for Reinforced Isolation for DIN EN IEC 60747-17 (Rev. AB) 2026/7/15
證書 CQC Certificate for AMC13xx: Malaysia 2025/2/26
證書 CQC Certificate for AMC13xx: Taiwan 2025/2/26
Application brief Utilizing AMC3311 to Power AMC23C11 for Isolated Sensing and Fault Detection PDF | HTML 2023/11/9
證書 UL Certificate of Compliance Vol4 Sec5 E181974 (Rev. A) 2023/1/23
應用說明 Design Considerations for Current Sensing in DC EV Charging Applications PDF | HTML 2022/12/13
應用說明 DC+ Bus Power-Supply Solution Using Bootstrap Charge Pump Technique PDF | HTML 2022/4/6
技術文章 Addressing the growing needs of fault detection in high-power systems PDF | HTML 2022/4/1
應用說明 Isolated Undervoltage and Overvoltage Detection Circuit PDF | HTML 2022/3/29
類比設計期刊 Using isolated comparators for fault detection in electric motor drives PDF | HTML 2022/3/14

設計與開發

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開發板

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

AMC-AMP-50A-EVM 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

AMC23C14EVM — 適用於雙路、快速回應、強化型隔離窗型比較器的 AMC23C14 評估模組

AMC23C14 評估模組 (EVM) 是用於評估 AMC23C14 的平台，AMC23C14 則是具短回應時間的隔離窗型比較器。比較器輸出由經認證的隔離層與輸入電路分離，提供高達 5kVRMS 的強化電隔離，並支援高達 1.5kVRMS 的工作電壓。

使用指南: PDF | HTML
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模擬型號

AMC23C14 PSpice Model (Rev. B)

SBAM486B.ZIP (445 KB) - PSpice 模型
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模擬型號

AMC23C14 TINA-TI Reference Design

SBAM479 (23163 KB) - TINA-TI 參考設計
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參考設計

TIDA-050059 — 適用於固態繼電器的過電流與過熱防護參考設計

此參考設計顯示如何實現固態繼電器的過電流與過熱防護。參考設計配備 TPSI3050-Q1 5-kVRMS 強化型隔離開關驅動器。TPSI3050-Q1 裝置整合了層壓變壓器，在將訊號和電源傳輸至二次側時實現隔離。如此就不需要任何隔離偏壓電源。此外，TPSI3050-Q1 裝置可爲位於高電壓 (HV) 側的外部電路提供電源。此參考設計最多可支援 500-VDC 或 350-VAC 切換，具最大值為 4-A 負載條件。

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