Overview
The AMC1301QDWVRQ1 is a precision, isolated amplifier designed by Texas Instruments for automotive applications. This device features an output separated from the input circuitry by a highly resistant isolation barrier, certified to provide reinforced isolation of up to 7070 V PEAK according to DIN EN IEC 60747-17 (VDE 0884-17) and UL1577 standards, and supports a working voltage up to 1 kV RMS. The isolation barrier protects the low-side from voltage levels that can cause electrical damage and are potentially harmful to an operator. The AMC1301QDWVRQ1 is optimized for direct connection to shunt resistors or other low voltage-level signal sources, making it ideal for accurate current control in various high-voltage applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | ±250 mV | |
| Fixed Gain | 8.2 V/V | |
| Offset Error | ±0.2 mV (max) | |
| Offset Drift | ±3 µV/°C (max) | |
| Gain Error | ±0.3% (max) | |
| Gain Drift | ±50 ppm/°C (max) | |
| Nonlinearity | 0.03% (max) | |
| Supply Voltage | 3.3 V operation on high-side and low-side | |
| Isolation Voltage | 7070 V PEAK, 5000 V RMS for 1 minute | |
| Operating Temperature Range | –40°C to +125°C | |
| Package Type | Wide-body 8-pin SOIC (DWV) |
Key Features
- AEC-Q100 qualified for automotive applications with a temperature grade 1: –40°C to +125°C
- Functional Safety-Capable
- Optimized for direct connection to shunt resistors or other low voltage-level signal sources
- Excellent DC accuracy and low temperature drift for accurate current control
- Integrated common-mode overvoltage and missing high-side supply voltage detection for simplified system-level design and diagnostics
- Ultra-low leakage current with galvanic isolation
Applications
- Onboard chargers (OBC)
- DC/DC converters
- Frequency inverters
- Other high-voltage applications requiring precise current control
Q & A
- What is the input voltage range of the AMC1301QDWVRQ1?
The input voltage range is ±250 mV.
- What is the fixed gain of the AMC1301QDWVRQ1?
The fixed gain is 8.2 V/V.
- What are the safety certifications of the AMC1301QDWVRQ1?
The device is certified to provide reinforced isolation of up to 7070 V PEAK according to DIN EN IEC 60747-17 (VDE 0884-17) and UL1577 standards, and supports a working voltage up to 1 kV RMS.
- What is the operating temperature range of the AMC1301QDWVRQ1?
The operating temperature range is –40°C to +125°C.
- What package type is the AMC1301QDWVRQ1 available in?
The device is available in a wide-body 8-pin SOIC (DWV) package.
- Is the AMC1301QDWVRQ1 AEC-Q100 qualified?
- What are the integrated diagnostic features of the AMC1301QDWVRQ1?
The device includes integrated common-mode overvoltage and missing high-side supply voltage detection features.
- What is the typical delay of the AMC1301QDWVRQ1?
The typical delay is 3 µs.
- What are some common applications of the AMC1301QDWVRQ1?
- Is the AMC1301QDWVRQ1 suitable for extreme environments?
