제품 상세 정보

Number of channels 1 Output type Open-drain Propagation delay time (µs) 0.29 CMTI (min) (kV/µs) 55 Rating Automotive 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 1 Output type Open-drain Propagation delay time (µs) 0.29 CMTI (min) (kV/µs) 55 Rating Automotive 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 x 11.5
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Wide high-side supply range: 3V to 25V
  • Low-side supply range: 2.7V to 5.5V
  • Adjustable threshold:
    • Window-comparator mode: ±20mV to ±300mV
    • Positive-comparator mode: 600mV to 2.7V
  • Reference current for threshold adjustment: 100µA, ±1%
  • Trip threshold error: ±1% (max) at 250mV
  • Open-drain output with optional latch mode
  • Propagation delay: 280ns (typ)
  • High CMTI: 55V/ns (min)
  • Safety-related certifications:
    • 7000VPK reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
    • 5000VRMS isolation for 1 minute per UL1577
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Wide high-side supply range: 3V to 25V
  • Low-side supply range: 2.7V to 5.5V
  • Adjustable threshold:
    • Window-comparator mode: ±20mV to ±300mV
    • Positive-comparator mode: 600mV to 2.7V
  • Reference current for threshold adjustment: 100µA, ±1%
  • Trip threshold error: ±1% (max) at 250mV
  • Open-drain output with optional latch mode
  • Propagation delay: 280ns (typ)
  • High CMTI: 55V/ns (min)
  • Safety-related certifications:
    • 7000VPK reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
    • 5000VRMS isolation for 1 minute per UL1577

The AMC23C12-Q1 is an isolated window comparator with a short response time. The open-drain output is 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.

The comparison window is centered around 0V, meaning that the comparator trips if the absolute value of the input voltage exceeds the trip threshold value. The trip threshold is adjustable from 20mV to 300mV through a single external resistor. Therefore, the comparison window ranges from ±20mV to ±300mV. When the voltage on the REF pin is greater than 550mV, the negative comparator is disabled and only the positive comparator is functional. The reference voltage in this mode can be as high as 2.7V for monitoring voltage supplies.

In transparent mode (LATCH input tied to GND2) the output follows the input state. In latch mode, the output is cleared on the falling edge of the latch input signal.

The AMC23C12-Q1 is available in an 8-pin, wide-body SOIC package and is specified over the full automotive temperature range of –40°C to +125°C.

The AMC23C12-Q1 is an isolated window comparator with a short response time. The open-drain output is 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.

The comparison window is centered around 0V, meaning that the comparator trips if the absolute value of the input voltage exceeds the trip threshold value. The trip threshold is adjustable from 20mV to 300mV through a single external resistor. Therefore, the comparison window ranges from ±20mV to ±300mV. When the voltage on the REF pin is greater than 550mV, the negative comparator is disabled and only the positive comparator is functional. The reference voltage in this mode can be as high as 2.7V for monitoring voltage supplies.

In transparent mode (LATCH input tied to GND2) the output follows the input state. In latch mode, the output is cleared on the falling edge of the latch input signal.

The AMC23C12-Q1 is available in an 8-pin, wide-body SOIC package and is specified over the full automotive temperature range of –40°C to +125°C.

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* Data sheet AMC23C12-Q1 Automotive, Fast Response, Reinforced Isolated Window Comparator With Adjustable Threshold and Latch Function datasheet (Rev. B) PDF | HTML 2024/12/12
Certificate VDE Certificate for Reinforced Isolation for DIN EN IEC 60747-17 (Rev. U) 2025/01/08
Analog Design Journal 전기 모터 드라이브의 오류 감지를 위해 절연 콤퍼레이터 사용 PDF | HTML 2024/08/07
Circuit design 절연 과전류 보호 회로 PDF | HTML 2024/07/16
Application brief AMC3311을 활용하여 절연 감지 및 고장 감지를 위해 AMC23C11 에 전원 공급 PDF | HTML 2024/05/31
Technical article Addressing the growing needs of fault detection in high-power systems PDF | HTML 2022/04/01

설계 및 개발

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평가 보드

AMC23C12EVM — 빠른 응답 강화 절연 윈도우 콤퍼레이터용 AMC23C12 평가 모듈

AMC23C12 평가 모듈(EVM)은 짧은 응답 시간과 래치 기능을 지원하는 절연 윈도우 콤퍼레이터인 AMC23C12를 평가하는 플랫폼입니다. 콤퍼레이터 출력은 최대 5kVRMS의 강화된 갈바닉 절연을 제공하는 인증된 절연 장벽으로 입력 회로와 분리되어 있으며, 최대 1.5kVRMS의 작동 전압을 지원합니다.

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