Rechargeable E-cigarette Module KCP9312A

L-Shaped MEMS Rechargeable E-cigarette Module KCP9312A

This electronic cigarette PCBA solution is a hybrid e-cigarette control module with a built-in battery based on the MEMS airflow sensor. It mainly consists of a battery, charging input interface, and e-cigarette control module. The electronic components include an airflow sensor, intelligent processing module, control module, execution module, charging management module, and lithium-ion battery control module. It can simulate smoking status through LED lights based on the user’s inhalation action or detection.

The built-in battery has a capacity of 300mAh and can start working by simply connecting the atomizer.
Using MEMS airflow sensor to ensure stable performance.
It offers three working modes: charging mode, normal working mode, and power-saving mode. In power-saving mode, the static current is below 5μA.
It supports a wide range of operating voltages from 1V to 0V.
It can accept charging from a wide voltage range (5~6.0V).
It integrates multiple protection functions such as overheat (OTP), undervoltage (UVLO), short circuit (SCP), etc.
It provides various LED display functions to meet different user requirements.
The peripheral application circuit design is simple and cost-effective.

Categories: Electronic Cigarette Modules, Modules Solutions

Description
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Specifications

Specifications	Symbol	Condition	Minimum Value	Typical	Maximum Value	Unit
Operating Pressure	P	–	-150	–	-250	Pa
Output Load	Rload	–	–	0.8	–	Ω
Operating Voltage Range	Vdd	–	2.1	–	5.0	V
Static Current	Iq	–	–	3	5	uA
Conductive Resistance of the Discharge Circuit	RDS(ON)	VDD=3.7V	–	70	–	mΩ
LED Current from Terminal to Ground	ILED	2.7V≤VDD≤4.1V	–	4.2	–	mA
Charging Current	ICHARGE	2.7V≤VDD≤4.1V VDD≤2.7V	– –	550 70	– –	mA mA
Overtemperature Protection Threshold	TSD	While charging When discharging	75 140	85 150	95 160	℃ ℃

Performance Specifications

Performance Name	Specifications and Descriptions
Suction Resistance Negative Pressure	-200Pa±-50Pa, Full Inspection
Output Voltage (No Load)	3.6±0.1V, Full Inspection, Input Voltage ≥3.7V
Charging Current	550±50mA, Full Inspection
Static Current	≤5uA, Full Inspection
Indicator Light Color	Red, Full Inspection
Normal Inhalation	Gradual On/Off, Full Inspection
Output Voltage (Load of 1惟)	3.5±0.1V, Sampling Inspection, Input Voltage ≥3.9V
Power On	1 Flash, Sampling Inspection
Long-duration Inhalation Protection	10-second Protection, 2 Flashes, Sampling Inspection
Short Circuit Protection	Steady On for 2 seconds, Sampling Inspection
Overcurrent Protection	Steady On for 2 seconds when Output Current >8A, Sampling Inspection
Undervoltage Protection	10 Flashes when Voltage is 3.0V, Sampling Inspection
Charging Disconnection	3 Flashes, Sampling Inspection
Display During Charging	Steady On, Sampling Inspection
Battery Fully Charged Display	Off, Sampling Inspection

Features

Integrated Module Design: The PCBA and battery are tightly integrated into a single module. Unlike traditional batteries that require wire connections to the atomizer, the module simplifies the assembly process and reduces labor costs by allowing direct insertion of the atomizer and casing.
Advantages of Automated Production: This integrated module design facilitates highly automated production processes, enhancing product quality and manufacturing yield.
Professional Chip Design: Utilizing professional chip design, the LED indicator light is controlled by a PWM module to reflect the product’s operational status, enhancing user experience.
MEMS Airflow Sensor: The application of MEMS airflow sensor ensures stable suction resistance, reliable performance, and excellent resistance to oil, thereby increasing product reliability and lifespan.
Built-in Safety Module: The product incorporates a charging control circuit that supports various charging modes, including trickle charging, constant current charging, and constant voltage charging, providing excellent charging performance. Additionally, it includes battery protection features to safeguard battery health.
Comprehensive Protection Module: The product includes multiple protection modules, such as Undervoltage Lockout (UVLO), Overtemperature Protection (OTP), AT driver port overcurrent protection, Short Circuit Protection (SCP), and lithium battery protection module. These features enhance product safety and reliability, ensuring a secure user experience.

Hardware Architecture

Material Advantages

Material Name	Characteristics
Electronic Cigarette ASIC Chip	In-house developed ASIC with powerful performance and high cost-effectiveness, widely used by major renowned brands
Electronic Cigarette MEMS Sensor	In-house developed MEMS with multiple patented anti-logic designs, excellent performance, good resistance to oil and corrosion, enabling better utilization of product capabilities
Capacitive Battery	In-house production of aluminum shell batteries, providing high safety, customizable dimensions and capacity. Internal resistance as low as 15mΩ, offering more competitive pricing compared to polymer batteries

Frequently Asked Questions

Does the electronic cigarette chip affect the flavor?

The electronic cigarette chip can have a certain impact on the flavor, especially in advanced electronic cigarette devices that feature temperature control and power adjustment functions. Advanced e-cigarette devices often offer more options for flavor customization, while basic e-cigarettes may have less impact on the flavor.

What are the characteristics of the electronic cigarette PCBA module?

Our electronic cigarette module integrates MEMS atomizers, PCBA, and batteries, featuring high integration and automation. It simplifies the assembly process and improves manufacturing yield.