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AFE3010

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Ground fault circuit interrupter (GFCI) with self-test and neutral-ground fault detection

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Product details

Parameters

Features Self-Test Operating temperature range (C) -40 to 105 Vs (Min) (V) 0 Vs (Max) (V) 26 Rating Catalog open-in-new Find other Signal conditioners

Package | Pins | Size

VQFN (RGT) 16 9 mm² 3 x 3 open-in-new Find other Signal conditioners

Features

  • Single-chip GFCI controller to aid in the design of UL-943 compliant systems
    • Built-in self-test to detect end-of-life, blink the LED, and/ or trip the load switch
    • Detect ground fault leakage path, and trip the load switch
    • Detect neutral-ground leakage path, and trip the load switch
  • Protection against single-component failure
  • Dual VDD and GND pins for redundancy
  • Integrated noise filter to prevent false trips
  • Simultaneously protects against HOT to GND and neutral to GND faults
  • Adjustable fault current thresholds through external feedback resistors
  • Fast response time
    • 150 ms for ±5mA ground fault current
    • 85 ms for ±10-mA ground fault current
    • 40 ms for ±30-mA ground fault current
    • 10 ms for ±50-mA ground fault current
  • Onboard shunt regulator powers the system through passives
  • Supports 120-V/ 60-Hz or 220-V/ 50-Hz systems
  • Operating temperature range: –40 ºC to 105 ºC

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Description

The AFE3010 is a precision, low-power, Ground Fault Circuit Interrupter (GFCI) controller used for detecting ground fault leakage paths in electrical circuits. This device is a single IC solution that continuously monitors an electrical circuit for multiple fault conditions to verify that the system is operating correctly.

In addition to a ground fault leakage detection, the AFE3010 can detect a grounded neutral condition which can also lead to a harmful shock from a connected appliance. The device implements a unique closed-loop grounded neutral detection scheme that eliminates the need for component resonance tuning, resulting in optimized system development time. Periodic self-test is performed once in every 180 cycles of the AC power line to ensure all the components related to ground fault control system are working properly. In case of any component failure the device enables an LED light, and/ or trips a solenoid to open the load switch. In applications where an LED light indicator is not needed, the ALARM pin can be configured as a secondary SCR driver to drive an additional solenoid for redundancy purpose.

The AFE3010 integrates shunt and LDO regulators to directly power from an AC line through a diode bridge and passive components.

The AFE3010 offers flexible configurable options to implement robust application specific protection schemes in different end-equipments such as electrical receptacles, circuit breakers, and so forth.

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Technical documentation

= Top documentation for this product selected by TI
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Type Title Date
* Datasheet AFE3010 Ground Fault Circuit Interrupter (GFCI) With Self-Test and Neutral-Ground Fault Detection datasheet Jun. 29, 2020
More literature AFE3010EVM EU Declaration of Conformity (DoC) Jun. 11, 2020
User guides AFE3010 Evaluation Module Apr. 25, 2019
Technical articles SigCon Architect: The keys to your high-speed design Oct. 27, 2015
Technical articles Make signal conditioning easy with WEBENCH® Interface Designer Jan. 27, 2015
Technical articles Get Connected: Equalization Oct. 15, 2014
Technical articles One part for all: Multi-standard signal conditioners Mar. 07, 2014

Design & development

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Hardware development

EVALUATION BOARDS Download
document-generic User guide
99
Description
This is a module to evaluate the ground-fault circuit-interrupter (GFCI) device AFE3010. Paired with a current transformer (included), this board can help demonstate AFE3010 functionality and performance on a 120VAC line voltage.
Features
  • Pins are easily measured with test points
  • Pads, headers, and sockets allow for custom and convenient device interfacing for user specific applications.
  • Screw headers provide strong and easy connections for custom current transformers and/or solenoid.

CAD/CAE symbols

Package Pins Download
VQFN (RGT) 16 View options

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