6x6mm MEMS Atomizer Control Board Vape Chip Circuit KCP6302A

The product is a 5-wire MEMS atomizer electronic cigarette circuit board based on MEMS airflow sensor. It consists of two main parts: the charging input interface and the electronic cigarette silicon microphone control module. The electronic components include an airflow sensor, intelligent processing module, control module, actuation module, charging management module, and lithium battery control module. It is used to simulate smoking actions or detection and simulate smoking status through LED lights.

Key features:

Utilizes stable performance MEMS airflow sensor.
Three operating modes: charging mode, normal operation mode, and power-saving mode.
Quiescent current is less than 5μA in power-saving mode.
Operating pressure range: 1V~5.0V.
Supports charging within the general voltage range of 5~6.0V.
Built-in protection functions such as over-temperature protection (OTP), under-voltage lockout (UVLO), and short-circuit protection (SCP).
Multiple LED display functions.
Simple peripheral application circuit with low cost.

Categories: Vape PCBA Solutions, Disposable Vape PCBA Solution

Description
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Specifications

Symbol	Parameter	Conditions	Minimum	Typical	Maximum	Unit
P	Operating Pressure	–	-150	–	-250	Pa
Rload	Output Load	–	–	0.8	–	Ω
Vdd	Operating Voltage Range	–	2.1	–	5.0	V
Iq	Quiescent Current	–	–	3	5	uA
RDS(ON)	Discharge Path On-Resistance	VDD=3.7V	–	70	–	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	Overtemperature Protection Threshold	During Charging During Discharging	75 140	85 150	95 160	°C °C

Test Items and Test Conditions

Test Items	Test Condition
Reflow soldering test	Referring to the reflow soldering oven temperature profile, cycle 5 times.
Low-temperature test	168 hours, -40±3℃, IEC 60068-2-1.
High-temperature test	168 hours, 105±3℃, IEC 60068-2-2.
Temperature shock test	-40℃, 15 minutes to 125℃, 15 minutes cycle 10 times, IEC 60068-2-4.
Constant temperature and humidity test	168 hours, 85℃/85%, JESD 22-A101A-B.
Drop test	1.8m, 1/3/6-sided drop onto a marble floor, IEC 60068-2-32.
ESD-HBM (Electrostatic Discharge – Human Body Model)	±3KV direct contact discharge to 1/0 pin, MIL 883E, Method 3015.7.

Features

(1) MEMS Silicon Microphone Airflow Sensor:

Utilizes a unique patented design that allows it to continue functioning normally even when submerged in e-liquid for extended periods of time.
Has undergone the industry’s longest reliability verification with 100,000 switch cycles, maintaining consistent startup pressure within the range of -15Pa and possessing anti-blow capabilities.
Capable of detecting inhalation actions of at least 50 puffs, ensuring an extremely long lifespan and excellent stability.

(2) Charging Management Module:

Integrated charging control circuitry provides multiple charging modes, including trickle charging, constant current charging, and constant voltage charging.

(3) Battery Protection Function:

Implements trickle charging to protect the battery when the lithium battery voltage drops below 7V.
Transitions to high-current charging when the battery voltage reaches 2.7V or above.
Enters constant voltage charging mode when the battery voltage approaches 4.2V to prevent overcharging.

(4) Multiple Protection Modules:

Built-in undervoltage lockout (UVLO), temperature protection (OTP), overcurrent protection for the AT drive port, short circuit protection (SCP), and more to effectively prevent issues such as low voltage, high temperature, short circuit, and overcurrent, ensuring the safety of the battery and device.

(5) LED Status Indication:

The LED light adopts professional IC design and is controlled through a PWM module, simulating the operation status of an electronic cigarette, providing users with information about the device’s operation and current status.

(6) Supports Various Charging Devices:

Supports AC-DC and USB Type-C charging devices, among others.

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 is the atomizer in an electronic cigarette?

The atomizer is a crucial component of an electronic cigarette and serves as the main heating element. It is responsible for simulating the process of traditional smoking. Typically, it refers to the combination of a capacitor-type atomizer and a chip, which are fixed on the control board. They are connected to the heating coil and battery through circuits, enabling functions such as intelligent activation, charging management, status indication, and output power management.

What are the components of an electronic cigarette control board?

The control board (PCBA) of an electronic cigarette generally consists of multiple key components and electronic elements. These components work together to enable various functions of the electronic cigarette, including the main control chip, battery, airflow sensor, LED indicator lights, charging management module, temperature sensor, connection lines and plugs, heating elements, among others.

What are the common faults of an electronic cigarette control board?

The control board of an electronic cigarette may experience various faults or malfunctions that can affect the performance and safety of the device. Some common issues include battery problems, airflow sensor issues, heating element failures, main control chip malfunctions, charging management problems, LED indicator issues, circuit connection problems, temperature control failures, and more. If you encounter any of these issues, please contact our professionals for assistance.