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AFE3010AIRGTR AFE3010 is a precision, low-power ground fault circuit interrupter (GFCI) controller used to detect ground fault leakage paths in circuits. This device is a singleIC solution that continuously monitors multiple fault conditions in the circuit to verify that the system is operating correctly.
In addition to ground fault leakage detection, AFE3010 can also detect grounded neutral conditions, which can also cause harmful shocks to connected equipment. The device implements a unique closed-loop grounded neutral detection scheme, eliminating the need for component resonance tuning, thereby optimizing system development time. The AC power line performs a periodic self-test every 180 cycles to ensure that all components related to the ground fault control system are functioning properly. If any component fails, the device will enable the LED light, and/or trip the solenoid to open the load switch. In applications where an LED indicator is not required, the alarm pin can be configured as an auxiliary SCR driver to drive an additional solenoid for redundancy.
AFE3010 integrates a shunt regulator and an LDO regulator, powered directly from the AC line through a diode bridge and passive components.
AFE3010 offers flexible configurable options to implement robust application-specific protection schemes in different end equipment such as electrical outlets, circuit breakers, etc.
Single-chip GFCI controller for helping design systems that comply with UL-943 standards
Built-in self-test for detecting end-of-life, LED blinking, and/or load switch tripping
Detects ground fault leakage paths and trips the load switch
Trips on detection of neutral leakage and grounded switch paths
Prevents single component failures
Dual VDD and GND pins for redundancy
Integrated noise filter to prevent nuisance tripping
Simultaneously prevents hot-ground and neutral-ground faults
Adjustable fault current threshold via external feedback resistor
Fast response time
For ±5mA ground fault current, 150 ms
±10 mA ground fault current is 85 ms
±30 mA ground fault current is 40 ms
±50 mA ground fault current is 10 ms
On-board shunt regulator powers the system via passive components
Supports 120-V/60 Hz or 220-V/50 Hz systems
Operating temperature range: –40oC to 105oC
Functional self-test
Operating temperature range (C) -40 to 105
Vs (Min) (V) 0
Vs (Max) (V) 26
