AMC1301QDWVRQ1

The AMC1301QDWVRQ1 is a highly reliable and versatile isolation amplifier designed for automotive applications. It is AEC-Q100 qualified with a wide temperature range of -40°C to +125°C, making it suitable for harsh automotive environments. Its functional safety capabilities, along with system-level diagnostic features and safety certifications, ensure it meets the highest standards of safety and reliability. With optimized input voltage range for current measurements, low DC errors, and a fixed gain of 8.2 V/V, it delivers precise and consistent performance. Its ability to operate at 3.3 volts on both high-side and low-side adds operational flexibility, making it an excellent choice for automotive engineers seeking dependable and high-performance solutions.

• Shunt-based current sensing or resistor-dividerbased voltage sensing in:

– Traction inverters

– Onboard chargers (OBC)

– DC/DC converters

– Battery management systems (BMS)

The AMC1301-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 isolation of up to 7070 VPEAK according to the DIN EN IEC 60747-17 (VDE 0884-17) and UL1577 standards, and supports a working voltage up to 1 kVRMS.

The isolation barrier separates parts of the system that operate on different common-mode voltage levels and protects the low-side from voltage levels that can cause electrical damage and are potentially harmful to an operator.

The input of the AMC1301-Q1 is optimized for direct connection to shunt resistors or other low voltage-level signal sources. The excellent DC accuracy and low temperature drift supports accurate current control in onboard chargers (OBC), DC/DC converters, frequency inverters, or other highvoltage applications. The integrated common-mode overvoltage and missing high-side supply voltage detection features of the AMC1301-Q1 simplify system-level design and diagnostics.

The AMC1301-Q1 is offered in a wide-body 8-pin SOIC package, is AEC-Q100 qualified for automotive applications, and supports the temperature range from –40°C to +125°C.

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