EMC6D103-CZC

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Power management ICs (PMICs) are integrated circuits (ICs) that perform a variety of power control and monitoring functions to help manage power within and between electronic devices. A major subcategory of PMICs handle the management and control of electric motors, and are referred to as motor drivers and controllers. In this article, we will discuss one particular product in this group, the EMC6D103-CZC, and explain its application field and working principle.

Application Field

The EMC6D103-CZC is capable of driving three-phase and single-phase synchronous and permanent magnet motors from a single power supply. It is suited for a variety of industrial and consumer application fields, including motor control applications in washing machines, refrigerator compressors, and vacuum cleaners, as well as blower motors, spindle drives, and pump drives. The EMC6D103-CZC also has built-in protection features, including over-temperature and over-current protection, allowing it to be used safely in a variety of harsh environments.

Working Principle

The EMC6D103-CZC integrates three full bridges, each capable of supplying 1.5 A of continuous output current and 6 A of peak current. These bridges are composed of N-type MOSFETs, which act as the high-side switches, and NPN bipolar transistors that act as the low-side switches. The bridges are controlled by dedicated half-bridge control logic and pulse-width modulation (PWM) control logic, which implements speed regulation. A built-in voltage regulator supplies the gate drive voltage for the MOSFETs, and can be used to directly control the motor’s speed.

In addition, the EMC6D103-CZC includes a number of safety features, including an over-temperature circuit, an over-current circuit, and an insulated gate drive system. The over-temperature circuit monitors the junction temperature and limits the current when the temperature rises above a certain threshold. The over-current circuit will quickly shut down the output current if the current becomes too high. The insulated gate drive system eliminates the need for a separate isolation transformer, allowing the EMC6D103-CZC to be directly connected to a mains power supply.

Overall, the EMC6D103-CZC is a powerful and compact motor driver/controller IC. It is ideally suited for a variety of industrial and consumer applications, offering high efficiency, built-in protection, and a built-in voltage regulator for direct motor control. In addition, its safety features provide the user with an extra level of protection from potentially damaging operational conditions.

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