vibration motor manufacturers

Coin Vibration Motor

LEADER Motor specializes in coin vibration motors, also known as shaftless or pancake vibration motors. The coin motor is unique in that its eccentric mass is located within a compact circular body, hence the name "pancake" motor. Due to their small size and thin profile (often only a few millimeters), these motors have limited amplitude, making them ideal for applications where space is limited.

It is worth noting that the starting voltage of the coin vibration motor is relatively high compared to the cylinder pager vibration motor. Typically, a coin motor requires about 2.3 volts to start (nominal voltage is 3 volts). If this is not considered in the design, it may result in the coin type vibration motor not starting when the application is in a certain orientation. This challenge arises because, in the vertical direction, the coin motor needs to exert enough force to move the eccentric mass to the top of the shaft during the initial cycle. To maximize the performance and reliability of a coin motor, it is critical to consider its specific characteristics and design requirements. By understanding these factors, designers can effectively incorporate coin vibration motors into their applications to achieve optimal results.

Revolutionize Your Products Vibration with Our Coin Vibration Motors

Leader Micro is a leading supplier of coin vibration motors, also called pancake or flat vibrator motors, generally in Ø7mm – Ø12mm diameters.

Our pancake motors are highly compact and easily integrated into numerous designs, as they have no external moving parts and can be secured in place using a strong permanent self-adhesive mounting system.

We can supply our coin vibrator with various connectors, spring contacts, FPC, or bare contact pads.

We can provide customized designs and variations according to the base design, such as modifications to the lead length and connectors.

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Coin Type Vibration Motor

At LEADER, we offer a range of options for coin motors including different connectors, spring contacts, flexible printed circuit (FPC) boards or exposed contact pads. If the quantity is reasonable, we can even design a custom FPC board for your specific application.

Our vibration motors operate by using a rotating eccentric weight to create horizontal vibrations. By throwing the body off balance through this eccentric rotation, the motor produces the desired vibration. This rotating motor effectively converts received signals into vibrations in mobile devices. The best part is that operation of small vibration motor can be achieved with a simple DC power on/off, eliminating the need for a separate driver IC.

Key features of our coin vibration motors include high vibration force, smooth rotation and easy integration into smartphones, tablets, wearables, toys and game consoles.

FPCB Type

Coin Vibration Motor Datasheet

The coin vibration motor has various models and choices, and with highly automated and low labor cost.It is widely used in various consumer electronic products with high cost performance.

Models Size(mm) Rated Voltage(V) Rated Current (mA) Rated(RPM) Voltage(V)
LCM0720 φ7*2.0mm 3.0V DC 85mA Max 13000±3000  DC2.5-3.3V
LCM0820 φ8*2.0mm 3.0V DC 85mA Max 15000±3000  DC2.5-3.3V
LCM0825 φ8*2.5mm 3.0V DC 85mA Max 13000±3000  DC2.5-3.3V
LCM0827 φ8*2.7mm 3.0V DC 85mA Max 13000±3000  DC2.5-3.3V
LCM0830 φ8*3.0mm 3.0V DC 85mA Max 13000±3000  DC2.5-3.3V
LCM0834 φ8*3.4mm 3.0V DC 85mA Max 13000±3000  DC2.5-3.3V
LCM1020 φ10*2.0mm 3.0V DC 85mA Max 13000±3000  DC2.5-3.3V
LCM1027 φ10*2.7mm 3.0V DC 85mA Max 13000±3000  DC2.5-3.3V
LCM1030 φ10*3.0mm 3.0V DC 85mA Max 13000±3000  DC2.5-3.3V
LCM1034 φ10*3.4mm 3.0V DC 85mA Max 13000±3000  DC2.5-3.3V
LCM1234 φ12*3.4mm 3.0V DC 100mA Max 11000±3000  DC3.0-4.0V

Flat Coin Vibration Motor Key Feature:

1. Easy mounting: Compact size allows for effortless installation in or on your project.

2. Noise reduction: Low noise level provides feedback without causing unwanted distractions.

3. Versatile rotation: Capable of rotating in both clockwise (CW) and counter-clockwise (CCW) directions for ease of use and installation.

4. No driver IC required: Simplifying the overall design and reducing circuit complexity.

5. Vibration force: The minimum vibration force of the vibration motor is 0.4 G. This ensures that the motor can provide reliable and noticeable vibration feedback to the user or application.

6. Small size: The compact structure makes it ideal for applications that need to save space and be integrated into small equipment or products.

Flat Coin Vibration Motor Application Ideas:

Coin vibration motors are versatile and found in a variety of applications including smartwatches, fitness trackers, and other wearable devices. They are particularly popular due to their small size and enclosed vibration mechanism. These electrical vibration motor provide discreet alerts, precise alarms and tactile feedback to enhance the user experience.

—Smartphones, to provide haptic feedback for notifications, calls, and other events. They can also be used to enhance the tactile feedback of buttons or virtual buttons on the screen.

—Wearable devices, such as smartwatches and fitness trackers to provide haptic feedback for notifications, calls, and activity tracking. They can also be used to enhance the user experience with touch-based controls.

— E-cigarette, by attaching the motor, it can provide tactile feedback to users.When the user activates or deactivates the device, the vibrator motors generates a vibration effect that provides haptic feedback to the user.In addition, the motor can also generate a vibration during inhalation, which can enhance the overall experience of using the electronic cigarette. This vibration effect can create a sense of satisfaction that is similar to the sensation of smoking a traditional cigarette.

—Eye masks, to provide gentle massaging and relaxation through vibrations. They can also be used to enhance the experience of meditation or relaxation techniques by providing soothing vibrations to the eyes and head.

- Video Game Controllers: Enhance the gaming experience by adding vibration feedback to simulate a variety of in-game events such as explosions, collisions, and motion.

- User input feedback: Provides tactile feedback to users when they interact with touch screens, buttons, or other control interfaces, validating their input and enhancing the overall user experience.

-Touch Sensory Feedback: Create a more immersive and realistic experience in virtual or augmented reality applications by incorporating tactile feedback that simulates when a user interacts with a virtual object or surface.

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The Structure And Working Principle of ERM Motors

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Coin vibration motors (also known as ERM motors) generally have a disc-shaped housing made of metal, with a small motor inside that drives an eccentric weight. Here are the general steps of how a coin vibration motor operates:

1. Power On: When power is applied to the motor, an electrical current flows through the coils inside, creating a magnetic field.

2. Attraction Phase: The magnetic field causes the rotor (eccentric weight) to be attracted towards the stator (coil). This attraction phase moves the rotor closer to the magnetic field, building up potential energy.

3. Repulsion Phase: The magnetic field then switches polarity, causing the rotor to be repelled from the stator. This repulsion phase releases the potential energy, causing the rotor to move away from the stator and rotate.

4. Repeat: The erm motor repeats this attraction and repulsion phase several times per second, causing rapid rotation of the eccentric weight. This rotation creates a vibration that can be felt by the user.

The speed and strength of the vibration can be controlled by varying the voltage or frequency of the electrical signal applied to the motor. Coin vibration motors are commonly used in devices that require haptic feedback, such as smartphones, gaming controllers, and wearables. They can also be used for alert signals, like notifications, alarms, and reminders.

Start Voltages

The start voltage and drive signals for a coin vibration motor can vary depending on the specific motor and the desired vibration strength. The start voltage for coin vibration motors typically ranges from 2.3V to 3.7V. This is the minimum voltage required to initiate the motor movement and vibration.

However, if the start voltage is too low, the motor may not start or may start slowly, resulting in weak vibration. This can cause the device to function improperly or not at all and may lead to user dissatisfaction. If the start voltage is too high, the motor may start too quickly and with too much force, causing damage to the internal components. This can also lead to a reduced lifespan and may cause additional problems such as excessive heat or noise.

Therefore, it's important to ensure that the start voltage is within the LEADER's recommended operating range and to avoid using voltages too high or too low. This can help to ensure proper motor operation, optimal vibration strength, and maximum lifespan.

Mounting

Coin vibration motors are designed to be easy to mount and it usually comes with adhesive tape in the bottom. Two brands of adhesive tape are typically used on our coin vibrator motors. They have comparable specifications, and they are selected based on their capability to provide strong bonding to the motor.

These are:

3M 9448HK

Sony 4000T

coin type vibration motor

1. Lead Wire: The coin motor can be connected to a power source through two wire leads. This type of wire uses imported wire (Sumitomo), which is made of halogen-free and Eco-friendly material. The wire leads are typically soldered to the motor terminals, and then connected to the power source by terminals or connectors. This method provides a simple and reliable connection, but may require additional space for the wire routing.

2. Connector: Many coin vibration motors have a mating connector that can be used for easy installation and removal. The connector provides a secure and repeatable connection that does not require soldering. However, this method may add cost.

3. Flexible Printed Circuit Board (FPCB): An FPCB is a thin and flexible circuit board with conductive traces that can be used to connect the motor to other components or circuits. This method provides a compact and low-profile solution for installing the motor, and also allows for customization of the circuit layout. However, it may require specialized manufacturing processes and can be more expensive than the lead wire type.

4. Spring Contacts: Some coin vibration motors come with spring contacts that can be used to make a temporary or semi-permanent connection. The spring contacts provide a low-cost and simple installation method that does not require soldering or wires. However, they may not be as secure or reliable as other methods, and may require additional mechanical support.

The choice of installation method will depend on the specific requirements of the application, including space limitations, vibration strength, and ease of installation and maintenance. LEADER's technical experts will provide professional advice based on their project experience during the customer's design phase.

Working with Us

Send Inquiry & Designs

Please tell us what kind of motor you are interested in, and advise the size, voltage, and quantity.

Review Quote & Solution

We will provide a precise quote tailored to your unique needs within 24 hours.

Making Samples

Upon confirming all the details, we will start making a sample and have it ready in 2-3 days.

Mass Production

We handle the production process carefully, ensuring every aspect is expertly managed. We promise perfect quality and timely delivery.

What information do you need to provide when customizing a motor?

It is important to provide the following information: dimensions, application, desired speed and voltage. Additionally, providing application prototype drawings (if available) helps ensure accurate customization.

What’s your main motors?

Our main products are coin vibration motor, linear vibration motor, brushless vibration motor and coreless motor.

Can I get samples?

Yes, we offer free sample. Please contact us for more details on how to proceed.

What is your payment methods?

You can choose multiple payment methods, such as T/T (bank transfer) or PayPal. If you wish to use an alternative payment method, please contact us in advance to discuss available options.

Shipping Method

Air shipping / DHL / FedEx / UPS with 3-5 days. Sea shipping with about 25 days.

FAQ For Coin Vibration Motors

Can coin vibration motors be customized for specific applications?

Yes, coin vibration motors can be customized to meet specific performance or size requirements for different applications. Customization options may include different vibration strengths, operating voltages or frequencies, or housing materials.

How is the vibration strength of a coin motor measured?

The vibration strength of a flat motor can be measured in terms of G-force, which is the amount of gravitational force exerted on an object. Different flat motors may have different vibration strengths measured in G-force, and it's important to choose the appropriate motor for the specific application.

Are coin vibration motors waterproof?

The waterproofness of coin vibration motors can vary, depending on the specific model and manufacturer. Some motors may be designed for use in wet or humid environments, while others are not. If required, we can add a waterproof cover according to the specific needs of your project.

How do I choose the right coin vibration motor for my device?

Choosing the right coin vibration motor depends on several factors, including the size and thickness of the device, the required vibration strength, and the power consumption requirements. It's important to consult with LEADER for specific recommendations and testing before making a final selection.

What is the difference between a coin vibration motor and a linear vibration motor?

A coin vibration motor and a linear vibration motor are two different types of motors used for vibration. A coin motor typically consists of a rotating offset weight that creates an unbalanced force to produce vibration, while a linear motor consists of a moving mass that oscillates along a linear path to produce vibration. Linear motors are AC- driven and require additional driver IC. However, coin motors are easier to drive by supplying DC power according to the voltage range recommended in the specification.

How Coin Vibration Motors Work in Wearable Devices?

Vibration motors, also known as haptic motors, are commonly used in wearable devices such as smartwatches and fitness trackers to provide users with tactile feedback.

These motors work by converting electrical energy into mechanical vibrations that can be felt. The mechanism behind vibrating motors involves an unbalanced mass attached to the motor shaft. As the motor rotates, the unbalanced mass causes the motor to vibrate. This vibration is then transmitted to the wearable device, allowing the user to feel it.

To control the vibration motor, a drive circuit is usually used. The drive circuit regulates the amount and frequency of electrical energy supplied to the motor, allowing the intensity and pattern of vibration to be adjusted. This allows for different types of feedback sensations, such as a slight vibration or a stronger buzz.

In wearable devices, vibration motors are often used to provide notifications, alerts, and alerts. For example, a smartwatch can vibrate to notify the wearer of incoming calls or messages. The vibration motor also provides tactile feedback during exercise, helping users track their fitness goals.

Overall, vibration motors are crucial in wearable devices as they provide tactile feedback, enhance the user experience and keep the wearer connected and engaged with their device.

What Is the Voltage of a Coin Vibration Motor?

Typically this is around 2.3v (all coin vibration motors have a nominal voltage of 3v), and failure to respect this could result in motors not starting when the application is lying in certain orientations.

What Are the Different Types of Coin Vibration Motors?

Our coin types vibration motor have 3 types, brushless types, ERM eccentric rotating mass type, LRA linear resonant actuator type. Their shape is a flat coin button-type.

How Do Coin Vibration Motors Work?

The commutation circuit alternates the direction of the field through the voice coils, and this interacts with the N-S pole pairs that are built into the neodymium magnet. The disc rotates and, due to the built-in off-centred eccentric mass, the motor vibrates!


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