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Electronic cigarette pressure sensor

E-cigarettes do not contain harmful ingredients such as tar and suspended particles, and as people become more health conscious, smoking e-cigarettes is becoming a trend. Moreover, the smoke oil of electronic cigarette can be flavored by adding different ingredients of flavoring agents, and users can choose the flavor of smoke oil according to their preferences.
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MEMS Flow sensor
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Product description
Parameters

Single device based solutions:

1)Single differential pressure sensor to achieve suction detection

2) One side of the device diaphragm contacts the airflow channel, the other side contacts the atmospheric pressure, waterproof and oil-proof

3) Multiple output interfaces: interrupt, frequency, I2C

 

Product advantages:

1)Low cost: single chip differential pressure detection, more compact design of the whole machine

2)Oil-proof: using the back side air inlet, waterproof and oil-proof

(3) consistency: MEMS micron-level processing, small device variability, and factory calibration test to ensure consistent trigger pressure

Product Model:

Product Name Size (mm) Power consumption (uA) Trigger pressure (Pa) Sensitivity Output method MEMS Type
MSPC01-GDL1 4.0x3.0x1.2 50 - 64 LSB/Pa I2C Piezoresistive
MSPC01-GDL6 2.8x1.9x0.9  3 -100 ~ -300 Pa 1%/100Pa  Interrupt + Frequency Capacitance
MSPC01-GDL7 2.8x1.9x0.9  3 -100 ~ -300 Pa - Interruptions Capacitance
MSPC01-GDMx 4.4x4.0x1.2 3 -100 ~ -300 Pa - LED+atomizer driver Capacitance

 

Technical parameters:

Parameters Symbols Minimum value Typical values Maximum value Unit Conditions
Supply Voltage VDD 2.4 3.7 5.5 V  
Power supply current IDD   3 5 uA  
On-chip clock frequency fOSC 4 5 6 kHz  
Output high voltage VOH Vdd-0.3     V ILOAD =1mA
Low output voltage VOL     0.3 V ILOAD =1mA
Rise time TR     30 ns  
Descent time TF     30 ns  
Turn on pressure   -300   -100 Pa  
Protection time   15 16 17 s  
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