Overview
The FAN4149M6X is a low-power controller designed for detecting hazardous current paths to ground and ground-to-neutral faults. It is part of onsemi's portfolio of Ground Fault Circuit Interrupter (GFCI) controllers. When used in conjunction with the FAN41501 auto-monitoring digital controller, it meets the 2015 UL943 self-test requirements for permanently connected GFCI products. The FAN4149M6X is engineered to open load contacts before a harmful electrical shock can occur, ensuring enhanced safety in various applications.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage - Min | -0.8 V |
| Input Voltage - Max | 16 V |
| Maximum Output Voltage | 3 V |
| Quiescent Current | 500 µA |
| Minimum Operating Temperature | -35°C |
| Maximum Operating Temperature | 85°C |
| Package Type | SOT-23-6 |
Key Features
- Meets 2015 UL943 self-test requirements when combined with FAN41501
- Precision sense amplifier and bandgap reference
- Low-VOS offset for direct DC coupling of sense coil
- Built-in noise filter to reduce false nuisance tripping
- High-current SCR gate driver with temperature compensation
- Adjustable sensitivity
- Minimum external components required
- Ideal for 120 V or 220 V systems
Applications
- Building and home control systems
- Consumer appliances
Q & A
- What is the primary function of the FAN4149M6X?
The FAN4149M6X is a low-power controller designed to detect hazardous current paths to ground and ground-to-neutral faults, ensuring safety by opening load contacts before a harmful electrical shock can occur.
- Does the FAN4149M6X meet UL943 self-test requirements?
Yes, when used in combination with the FAN41501 auto-monitoring digital controller, it meets the 2015 UL943 self-test requirements for permanently connected GFCI products.
- What is the quiescent current of the FAN4149M6X?
The quiescent current of the FAN4149M6X is 500 µA.
- What is the operating temperature range of the FAN4149M6X?
The operating temperature range is from -35°C to 85°C.
- What type of package does the FAN4149M6X come in?
The FAN4149M6X comes in a 6-pin SOT-23 package.
- What are some key features of the FAN4149M6X?
Key features include a precision sense amplifier, built-in noise filter, high-current SCR gate driver, and adjustable sensitivity.
- Is the FAN4149M6X suitable for high-voltage systems?
Yes, it is ideal for both 120 V and 220 V systems.
- How does the FAN4149M6X reduce false nuisance tripping?
The FAN4149M6X includes a built-in noise filter that rejects high-frequency noise spikes common with inductive loads, reducing false nuisance tripping.
- What are the typical applications of the FAN4149M6X?
Typical applications include building and home control systems, as well as consumer appliances.
- Does the FAN4149M6X require many external components?
No, the FAN4149M6X is designed to require a minimum number of external components, making it a compact and cost-effective solution.
