Specifications
| Symbol | Parameter | Condition | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|---|---|
| P | Operating Pressure | – | -110 | – | -200 | Pa |
| Rload | Output Load | – | – | 0.8 | – | Ω |
| Vdd | Operating Voltage Range | – | 2.1 | – | 5.0 | V |
| Iq | Static Current | – | – | 3 | 5 | uA |
| RDS(ON) | Discharge Path On-Resistance | VDD=3.7V | – | 50 | – | mΩ |
| ILED | LED Current to Ground | 2.7V≤VDD≤4.1V | – | 4.2 | – | mA |
| ICHARGE | Charging Current | 2.7V≤VDD≤4.1V VDD≤2.7V |
– – |
550 70 |
– – |
mA mA |
| TSD | Over-Temperature Protection Threshold | During Charging During Discharge |
75 140 |
85 150 |
95 160 |
°C °C |
Performance Specifications
| Performance Name | Specifications and Descriptions |
|---|---|
| Suction Resistance Negative Pressure | Suction Resistance Negative Pressure: -200Pa±-50Pa (fully tested) |
| Output Voltage (No Load) | Output Voltage (No Load): 3.6±0.1V (fully tested, input voltage ≥3.7V) |
| Charging Current | Charging Current: 550±50mA (fully tested) |
| Static Current | Static Current: ≤5uA (fully tested) |
| Indicator Light Color | Indicator Light Color: Red (fully tested) |
| Normal Inhalation | Normal Inhalation: Gradual brightness and fading (fully tested) |
| Output Voltage (Load: 1Ω) | Output Voltage (Load: 1Ω): 3.5±0.1V (random sampling, input voltage ≥3.9V) |
| Power On | Power On: 1 flash of the light (random sampling) |
| Long-Term Inhalation Protection | Long-Term Inhalation Protection: 10-second protection, 2 flashes of the light (random sampling) |
| Short Circuit Protection | Short Circuit Protection: Constant light for 2 seconds (random sampling) |
| Overcurrent Protection | Overcurrent Protection: Constant light for 2 seconds when output current exceeds 8A (random sampling) |
| Undervoltage Protection | Undervoltage Protection: 10 flashes of the light when voltage is 3.0V (random sampling) |
| Charging Disconnection | Charging Disconnection: 3 flashes of the light (random sampling) |
| Display During Charging | Display During Charging: Constant light (random sampling) |
| Battery Fully Charged Display | Battery Fully Charged Display: Off (random sampling) |
Key Features
(1) MEMS Silicon Microphone Airflow Sensor:
- Utilizes a unique patented design that allows it to function normally even when immersed in e-liquid for extended periods.
- Tested for the industry’s longest 100,000 switch cycles to verify reliability.
- Maintains a startup pressure within the range of +/- 15 Pa and has a minimum anti-blowback capability of 50 puffs, ensuring exceptional durability and stability.
(2) Charging Management Module:
- Integrated charging control circuitry supports various charging modes, including trickle charging, constant current charging, and constant voltage charging.
(3) Battery Protection Features:
- Implements trickle charging to protect the battery when its voltage drops below 2.7V.
- Switches to high-current charging when the battery voltage exceeds 2.7V.
- Enters constant voltage charging mode when the battery voltage approaches 4.2V to prevent overcharging.
(4) Protection Module:
- Built-in undervoltage protection (UVLO), over-temperature protection (OTP), overcurrent protection for AT driver ports, and short circuit protection (SCP) to effectively prevent issues such as low voltage, high temperature, short circuits, and overcurrent, ensuring the safety of the battery and device.
(5) LED Light Status Indication:
- Professionally designed chip controls the LED lights using PWM (Pulse Width Modulation) module to simulate the working status of the electronic cigarette, providing users with information about the device’s operation and current status.
(6) Compatibility with Multiple Charging Devices:
-
- Supports AC-DC and USB Type-C charging devices.
Hardware Architecture
Key Material Advantages
| Product Name | Features |
|---|---|
| E-cigarette ASIC Chip | Independently developed ASIC with powerful performance and high cost-effectiveness, widely used by major renowned brands |
| E-cigarette MEMS Sensor | Self-developed anti-logic MEMS with multiple patented technologies, excellent performance, good resistance to oil and corrosion, enhances product performance |
Frequently Asked Questions
- What does E-cigarette PCBA mean?
E-cigarette PCBA stands for “Printed Circuit Board Assembly.” It is a crucial component in an e-cigarette device, typically consisting of a printed circuit board (PCB) and various electronic components mounted on it. The PCBA is responsible for controlling and managing various functions of the e-cigarette, including heating elements, power management, sensors, LED indicators, etc.
- What is the role of E-cigarette PCBA?
The role of E-cigarette PCBA is to enable various functions and controls of the e-cigarette device to provide the desired vaping experience for users. It serves the following main purposes: controlling heating elements, power management, sensor controls, LED indicators, etc.
- What components are found on an E-cigarette PCBA board?
The components on an E-cigarette PCBA board may vary as they depend on the design and specifications of different e-cigarette devices. Typically, the components found on an E-cigarette PCBA board may include: processors and microcontrollers (MCUs), power management circuits, sensors, heating elements, LED indicators, capacitors, resistors, inductors, other passive components, connectors and sockets, protection components, etc.
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