power component
Due to advances in IGBT technology, the SPM series has been undergoing an upgrade since its first appearance in the industrial market. With the introduction of sub-micron design rules, not only is the chip size reduced, but the current density is greatly increased. The latest generation of IGBT chips achieves a better performance balance between turn-off loss and turn-on voltage drop while ensuring adequate SOA. Figure 1 shows an improvement in IGBT technology. Clearly, V5 IGBTs have excellent device performance, which increases power capacity in smaller packages.
Low-power operation often requires faster switching speeds, which results in increased recovery current and increased dv/dt, which can result in greater electromagnetic interference (EMI), high surge voltages, and motor leakage currents. During the development of the SPM series, EMI issues have been considered and the gate drive design has been optimized, sacrificing high switching speeds to control the switching speed of the integrated IGBT. It is because of the low on-voltage drop of the IGBT that it can maintain the overall power consumption while achieving low EMI characteristics. Figure 2 shows the typical dv/dt characteristics of SPM. At its rated current, the dv/dt is turned on and off below 5kV/μs.
In addition, for better ESD protection, a polysilicon back-to-back diode with sufficient clamping voltage is used between the gate and emitter. 2,350 & TImes; 2,350 square micron chip area can get the ESD level of HBM 2.5kV and MM 300V. With integrated protection diodes, all SPM products meet industry standard ESD levels.
Figure 1. Improvements in IGBTs in the SPM manufacturing process
Figure 2. Switch dv/dt characteristics (Vpn=300V, Vcc=15V, 25°, 20A rated current)
Driver IC
For cost-effective reasons, HVICs and LVICs are designed to have the minimum necessary functionality and are particularly well suited for inverter drives for consumer appliances. Design considerations include: reduced chip size with fine process technology; direct drive of an effective "high" interface by a 3V feed microcontroller; low power consumption; higher noise immunity; better resistance to temperature changes Sex and so on.
One feature of the HVIC is the built-in high-level offset function, as shown in Figure 3, which converts the PWM input from the microcontroller directly to the high-side power device. In addition, with an external charging reverse capacitor, the SPM can be driven with a single control supply.
Is mainly used for adult health care products and toys micro vibration motor is a Dc Motor, the motor shaft with an eccentric wheel, when the motor rotation, eccentric circle particle is not turn the heart of the motor, make motor is constantly out of balance state, caused by inertial effect.
Characteristics: small volume, strong vibration;
Features: small size, fast speed, stable performance, low price, can use battery drive,Can change the different materials of the pendulum head
Method of use: the best stable in horizontal plane, installed on the dc vibration motor output shaft parts, cannot use a hammer to knock, knock prone to press into the dc vibration motor drive, may cause damage to internal components, and cannot be used in the case of blocked.
Operating temperature range:
vibration motor should be used at a temperature of -10~60℃.
The figures stated in the catalog specifications are based on use at ordinary room temperature catalog specifications re based on use at ordinary room temperature (approximately20~25℃.
If a vibration motor is used outside the prescribed temperature range,the grease on the gearhead area will become unable to function normally and the motor will become unable to start.Depending on the temperature conditions ,it may be possible to deal with them by changing the grease of the motor's parts.Please feel free to consult with us about this.
Storage temperature range:
vibration motor should be stored ta a temperature of -15~65℃.
In case of storage outside this range,the grease on the gearhead area will become unable to function normally and the motor will become unable to start.
Service life:
The longevity of vibration motor is greatly affected by the load conditions , the mode of operation,the environment of use ,etc.Therefore,it is necessary to check the conditions under which the product will actually be used .The following conditions will have a negative effect on longevity.Please consult with us should any of them apply.
â—Use with a load that exceeds the rated torque
â—Frequent starting
â—Momentary reversals of turning direction
â—Impact loads
â—Long-term continuous operation
â—Forced turning using the output shaft
â—Use in which the permitted overhang load or the permitted thrust load is exceeded
â—A pulse drive ,e.g.,a short break,counter electromotive force,PWM control
â—Use of a voltage that is nonstandard as regards the rated voltage
â—Use outside the prescribed temperature or relative-humidity range,or in a special environment.
â—Please consult with us about these or any other conditions of use that may apply,so that we can be sure that you select the most appropriate model.
when it come to volume production,we're a major player as well .each month,we rurn out 600000 units,all of which are compliant with the rohs directive.Have any questions or special needed, please contact us, we have the engineer group and best sales department to service to you Looking forward to your inquiry. Welcome to our factory.
Vibration Motor,Small Powerful Vibration Motor,220V Vibration Motor,Electric Motor For Vibrating
Shenzhen Shunchang Motor Co., LTD. , https://www.scgearmotor.com