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R5106 Series
Watchdog Timer Equipped with Inhibit Pin with VD

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ECAD Model: Learn more
  • Standard
  • For Industrial
  • For Automotive
  • AEC-Q100
  • Product Longevity Program
  • RoHS
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Description

The R5106 Series are CMOS-based system power ICs with a voltage detector (VD) and watchdog timer (WDT) integrated in a single chip. R5106 monitors the power system of devices equipped with microprocessors and prevents system runaway with a reset signal when a malfunction occurs. The output delay time of the VD and watchdog timeout period/reset time can be adjusted high accuracy by an external capacitor. The R5106 is equipped with the function that inhibits clock monitoring of the WDT (INH).

Spec

Standard Industrial Automotive
Input Voltage Range 0.9 V to 6.0 V (7.0 V)
Operating Temperature Range -40°C to 105°C (125°C) -40°C to 125°C (150°C) -40°C to 125°C (150°C)
-40°C to 105°C (150°C)
Supply Current Typ. 11 µA
Timeout Period Typ. 310 ms (CT = 0.1 µF)
Timeout Period Accuracy ±33%
Reset Time Typ. 34 ms (CT = 0.1 µF)
Package SOT-23-6
VD Detector Threshold Range 1.5 V to 5.5 V (0.1 V step)
VD Detector Threshold Accuracy ±1.0%
VD Detector Threshold Temperature Coefficient Typ. ±100 ppm/°C
VD Release Output Delay Time Typ. 370 ms (CT = 0.1 µF)
VD Release Delay Time Accuracy ±16% ±18% ±16% (−40°C ≤ Ta ≤ 105°C)
±18% (−40°C ≤ Ta ≤ 125°C)

Download Datasheet

Search for similar products under conditions below.

Category:Watchdog Timers

Features +VD
VIN
min (V)		 0.9
VIN
max (V)		 6.0
ISS
(µA)		 11

Technical Documents

  • Typical Application

    Typical Application

  • Timing Chart

    Timing Chart

    * Vref2H : CT pin voltage at the end of WDT timeout period.
    * Vref2L : CT pin voltage at the begin of WDT timeout period.
    * VDDL : 0.9 V (Max.)

Quality & Packages

Product Name Compatibility Package Marking Reliability
R5106Nxx1x-TR-FE
  • gradeConsumer
  • plp
 SOT-23-6 R5106N R5106N-FE
R5106Nxx1x-TR-YE
  • gradeIndustrial
  • plp
 SOT-23-6 R5106N R5106N-YE
R5106Nxx1x-TR-JE
  • gradeAutomotive
  • aecQ100
  • plp
 SOT-23-6 R5106N R5106N-JE
R5106Nxx1x-TR-AE
  • gradeAutomotive
  • aecQ100
  • plp
 SOT-23-6 R5106N R5106N-AE
  • Refer to the datasheets for the details on the product.
  • The package file or the datasheet includes package dimensions, taping specifications, taping reels dimensions, power dissipations, and recommended land pattern.

FAQ

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  • Available from 1 piece!
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  • Technical Support
R5106 Series