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Product Detailed Parameters
- Description：IC COMPARATOR 1 WINDW 8SOIC
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Window
- Number of Elements：1
- Output Type：Open-Drain
- Voltage - Supply, Single/Dual (±)：3V ~ 25V
- Voltage - Input Offset (Max)：-
- Current - Input Bias (Max)：0.025µA @ 4V
- Current - Output (Typ)：-
- Current - Quiescent (Max)：2.2mA, 4.3mA
- CMRR, PSRR (Typ)：-
- Propagation Delay (Max)：410ns
- Hysteresis：25mV
- Operating Temperature：-40°C ~ 125°C
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Mounting Type：Surface Mount
- Supplier Device Package：8-SOIC
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The AMC22C12QDRQ1 is an automotive-grade isolated window comparator with adjustable thresholds and a latch function. It operates within a high-side supply range of 3V to 25V and a low-side supply range of 2.7V to 5.5V. The device features an open-drain output, a propagation delay of 280ns typical, and a common-mode transient immunity of 55V/ns minimum. It provides basic isolation certified at 4250VPK per DIN EN IEC 60747-17 and 3000VRMS per UL1577. The component is housed in an 8-pin SOIC package and functions across a temperature range of -40°C to +125°C.
Feature Summary
- AEC-Q100 qualified for automotive applications
- High common-mode transient immunity resistant to magnetic interference
- Adjustable trip threshold via single external resistor
- Open-drain output supporting transparent or latch modes
Applications
- Overcurrent or overvoltage detection in HEV/EV charging piles
- Overcurrent or overvoltage detection in HEV/EV onboard chargers (OBC)
- Overcurrent or overvoltage detection in HEV/EV DC/DC converters
- Overcurrent or overvoltage detection in HEV/EV traction inverters
Procurement Notes
Verify the specific ordering suffix 'QDRQ1' corresponds to the automotive grade and SOIC-8 package configuration. Confirm that the safety-related certifications meet the requirements of the target application's insulation standards. Ensure the design accounts for the specified high-side and low-side power supply voltage ranges during procurement validation.
Selection Notes
Select this component when fast response times and high CMTI are required for isolated fault detection. The adjustable threshold allows flexibility for various shunt resistor values. Verify that the system can accommodate the separate high-side and low-side power domains. Consider the latch mode functionality if signal holding is necessary for downstream processing.
Part Context
This part belongs to the AMC22C12-Q1 family of isolated comparators designed specifically for automotive environments. It shares the core isolation barrier technology with other members of the series but includes the Q1 designation indicating AEC-Q100 qualification. The DRQ1 suffix denotes the specific tape-and-reel packaging and automotive grade variant.
Replacement Considerations
AMC22C12DR is the non-automotive equivalent version of this component.
