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GFCI Controllers | NCS37010

Ground Fault Circuit Interrupter (GFCI) with Self Test and Lockout

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Overview

The NCS37010 is a fully UL943 compliant signal processor for GFCI applications with self test and lockout. The device integrates a flexible power supply (including both shunt and LDO regulators), differential fault, and grounded-neutral detection circuits. Proprietary impedance measurement and signal processing techniques are used to minimize the number of external components and improve performance. The device also includes a specialized DSP controller that offers best in class immunity to nuisance loads without the need for external analog filters. At power up the NCS37010 performs a self test at 60ms and removes the lockout if the test passes. This self test consists of a differential, ground-neutral and solenoid test.

  • UL943 compliant GFCI products with self test

  • GFCI receptacles
  • GFCI circuit breakers
  • ALCI power cords

  • Full self test and electronic lockout
  • Self syncing internal oscillator adjusts to AC mains frequency to guarantee full resolution on 50 and 60 Hz distribution systems
  • Randomized testing sequence to noise sensitivity and potential interactions on the AC mains
  • High SCR drive current (up to 5 mA)

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NCS37010DBRG

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CAD Model

Pb

A

H

P

TSSOP-20 WB

948E

3

260

REEL

2500

N

1

6

12

2.2

1.8

-40

85

Price N/A

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NCS37010MNTWG

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CAD Model

Pb

A

H

P

QFN-16

3

260

REEL

3000

Y

1

6

12

2.2

1.8

-40

85

$0.759

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Reliability Data

Die Related Summary Data

Device: NCS37010DBRG

Equivalent to wafer fab process: BP STD LINEAR

Product Technology

Product Technology

Equivalent Device-Hours

MTBF/MTTF in Hours

FITS

BP STD LINEAR

10

12120914040

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Re-calculate Data

Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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