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3-Wire MEMS Mic, Load 0.6~3.0Ω, Negative Pressure -150±50Pa E-Cig Circuit Board
- نموذج: RMY002
- مقاس: 34.5× 22.0 مم
- قوة منخفضة: هادئة التيار <15μA
- إخراج الجهد القابل للتعديل
- Short Circuit Protection, 10S overhablation, Over Temperature Protection, حماية الجهد المنخفض
- عرض الأنبوب الرقمي
- Product overview
Smart Disposable E-Cigarette Circuit Board with Airflow Sensor
This disposable e-cigarette circuit board uses an airflow sensor to trigger smoking and supports adjustable power output. It integrates an MCU control module, power output, digital display, charging management, and lithium battery control. The airflow sensor detects each puff and signals the MCU to control power output precisely. The digital display shows real-time smoking status, helping users track usage clearly and efficiently.
Functional Highlights
- MEMS airflow sensor: The microphone airflow sensor detects changes in air pressure and identifies user smoking behavior.
- Signal processing: The sensor captures airflow changes and converts them into capacitance change signals. The ASIC chip processes these signals and sends them to the MCU control module for output control. This process ensures the efficient operation of the disposable e-cigarette circuit board.
- Protection function: This disposable e-cigarette circuit board includes multiple protection features to ensure user safety. It provides lithium battery protection, smoking timeout protection, over-temperature protection, short circuit protection, and low battery protection. These safety functions work together to deliver a secure and reliable vaping experience.
- Disposable E-Cigarette Circuit Board Module: The disposable e-cigarette circuit board uses SMT packaging for module formation. This allows direct soldering onto the circuit, ideal for PCBA integration. The result is reduced assembly costs and improved production efficiency.
Disposable E-Cigarette Circuit Board Parameters
| Absolute Maximum Ratings | Parameter | Symbol | Value | Unit |
| Supply Voltage (VDD) | VDD | -0.3~6.25 | V | |
| Charging Voltage (VCC) | VCC | -0.3~6.5 | V | |
| AT Output Current | IAT | 9 | A | |
| Output Load | Rload | 0.6 | Ω |
| Performance Parameters | Symbol | Parameter | Conditions | Min | Typ | Max | Unit |
| P | Operating Air Pressure | -100 | -150 | -200 | Pa | ||
| VDD | working voltage | 3.2 | 4.2 | V | |||
| Vuvlo | Low voltage detection threshold | VDD from high to low | 2.9 | 3 | 3.1 | V | |
| Iq | static current | Power saving mode | 5 | 10 | uA | ||
| Rdson | Switching tube conduction impedance | Power saving mode | 15 | 25 | mΩ | ||
| Iled | LED output current | – | – | – | mA | ||
| RS | Short circuit protection threshold | 0.4 | Ω | ||||
| VAT | Constant average voltage output | VDD=4.2V, Output empty load | 3.8 | V | |||
| Rload | Output load | 0.6 | 3 | Ω | |||
| Dmin | Minimum conduction duty cycle | VDD=4.2V | 90 | % | |||
| TSMOKE | Smoking timeout | 10 | S | ||||
| VCC | Charging input voltage | 4.75 | 6.5 | V | |||
| VFLOAD | Floating charging threshold voltage | four point one eight | 4.2 | 4.22 | V | ||
| VTRKL | Drip flow, constant flow | VDD from low to high | 2.95 | 3 | 3.05 | V | |
| ICH | Charging current | VCC=5V | 550 | mA | |||
| ITRIKL | trickle charge current | VCC=5V | 55 | mA | |||
| TSD | Overheating protection threshold | 85 | ℃ |
| LED/Display Status | working condition | Digital tube display |
| Battery power on self-test | The display screen is fully lit for 3 seconds | |
| Normal triggering of cigarette lighting | The screen displays the scrolling effect, fuel and electricity indicators, and the logarithm | |
| Smoking normally | The screen displays the scrolling effect, fuel and electricity indicators, and the logarithm | |
| Normal end of cigarette lighting | – | |
| Smoking timeout | The fuel and electricity indicator flashes 5 times | |
| Overcurrent or short circuit protection | Blink full screen 3 times | |
| Battery undervoltage before smoking | The lightning symbol flashes 10 times | |
| Battery undervoltage after cigarette lighting | The lightning symbol flashes 10 times | |
| Normal charging | The single digit of the battery level, the lightning symbol, and the percent sign flash, and the outer circle of the battery level lights up with the corresponding color based on the percentage of battery level | |
| Battery fully charged | The fully charged screen displays 100%, and the lightning symbol is constantly on | |
| Release charging (charger removed) | Pull out the charger, and the screen will light up for 4 seconds |
| Product Features | Use buttons to adjust output, power and adjustability |
| The circuit has three working modes: charging mode, normal working mode, and power-saving mode. | |
| In power-saving mode: static current<10 μA; | |
| Working voltage: 2.1V~5.0V; | |
| Supports wide voltage charging (4.5~6.5V); Equipped with OVP overvoltage protection | |
| Contains protection functions such as overheating (OTP), undervoltage (UVLO), short circuit (SCP), etc. | |
| Multiple digital display functions; |
ترك رسالة
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- مدير المبيعات：RMY-Silvia
- هاتف ：+86 18126317732
- بريد إلكتروني：sales009@rmychip.com
- Whatsapp ：+86 18126317732
- عنوان الشركة: 8الطابق,بناء ب,Fenghuangzhigu,شارع XIXIANG,Bao'an District,شنتشن,الصين
- عنوان المصنع: 4الطوابق السادسة,المبنى الصناعي الصغرى,No.52 Tiezai Road,شارع XIXIANG, Bao'an District,شنتشن,الصين
