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Product Detailed Parameters
- Description：IC SIGNAL PROCESSOR 14TSSOP
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- Applications：Appliance Leakage Circuit Interrupter (ALCI)
- Current - Supply：575µA
- Voltage - Supply：13.5V
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Surface Mount
- Package / Case：14-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：14-TSSOP
- Grade：-
- Qualification：-
Download product information
Overview
The NCS37020DTBR2G is a signal processor designed for Arc Fault Circuit Interrupter (AFCI) applications, compliant with UL943B standards. It integrates a 12 V shunt regulator and features graded differential fault detection capabilities. The device operates within a temperature range of 0°C to 70°C and is housed in a 14-TSSOP package with a width of 4.40 mm. It supports surface mount installation and includes self-test functionality to ensure reliable operation in residential electrical protection systems.
Feature Summary
- Integrates a 12 V shunt power supply for internal regulation
- Provides graded differential fault detection for arc identification
- Includes built-in self-test mechanisms for system reliability
- Complies with UL943B standards for AFCI application
Applications
- Arc Fault Circuit Interrupter (AFCI) signal processing
- Residential electrical panel protection systems
- UL943B compliant circuit breaker designs
Procurement Notes
Verify the complete part number including the suffix DTBR2G to ensure correct packaging and tape-and-reel configuration. Confirm that the 14-TSSOP footprint matches your PCB layout constraints. Ensure the operating temperature range of 0°C to 70°C meets your environmental requirements. Check for RoHS compliance status if required by your manufacturing standards.
Selection Notes
Select this component when designing AFCI devices requiring integrated power regulation and differential fault detection. The 12 V shunt simplifies external power supply design. Consider the TSSOP-14 package size for space-constrained enclosures. Verify compatibility with upstream sensing elements for accurate arc signature analysis.
Part Context
This device belongs to onsemi's portfolio of circuit protection and power management ICs. It is specifically categorized under other circuit protection solutions rather than standard gate drivers or general-purpose processors. The NCS37020 series addresses safety-critical applications in residential electrical infrastructure.
Replacement Considerations
No publicly confirmed substitute part numbers are available in the provided documentation. Direct replacement requires verification of pin compatibility, functional equivalence, and regulatory certification alignment with the original design specifications.
