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Mitsumi Abnormal State IC for Gas Stoves

MinebeaMitsumi offers an application-specific integrated circuit (ASIC) for determining abnormal operation of gas stoves. The MM3671 is a standard device provides features to detect fire, under voltage of embedded dry cell, and abnormal temperature of the bottom of a pan. MM3841 has more features to achieve even safer gas cooktop operation, also help to reduce external components.

Features:

  • Prevents cooktop fire
  • Dual ignition Switch Inputs
  • Dual Thermistors input
  • Dual Outputs for Safety Valve Controls

Applications:

  • Cooktops

Part Number

Power Supply Range

Flame Detection Voltage

Battery Detection Voltage

Function

Data Sheet

MM3671

1.96~5.5 V

-1.8mV±0.5mV

2.0V

Ignition switch (2ch)
Flame detection (2ch)
Overheat detection (2ch)
Thermistor enabling feature
Battery voltage drop detection

MM3841

T1.96~5.5 V

-1.8mV±0.5mV

2.0V

Buzzer drive output
LED control output
Igniter control output
Timer control