TEA3718SFPTR Integrated Circuits (ICs)

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TEA3718SFPTR is a kind of power management integrated circuit (PMIC) category of motor drivers, controllers, designed and developed by STMicroelectronics. The chip combines power conversion and management features with embedded features. It can be widely used in motor control and power supply applications.The main purpose of this IC is to provide motor speed control and motor protection. It supports a wide range of functions, including motor speed control, over current protection, thermal protection, supply voltage monitoring and current monitoring, as well as PFC (Power Factor Correction) and standby control.The working principle of the TEA3718SFPTR is based on the use of two integrated high-power DMOS transistors, which are connected across the motor terminals. The DMOS transistors are triggered by the motor control logic inside the IC and the motor speed can be adjusted using the logic inputs. The current and the supply voltages are sensed by the internal Current Sense and Power Supply Sensing (CSP) circuitry. The CSP sensor provides input to the central processor which controls the voltage, current and temperature to keep the motor within its specification.The TEA3718SFPTR also includes various protection circuits to protect the motor from various sources of damage.The current protection circuit senses when the current flowing through the motor exceeds the set limit and trips the IC off to protect the motor from damage. Similarly, the thermal protection circuit detects if the temperature of the motor exceeds the set threshold and trips the IC off to protect the motor from overheating.In addition to these features, the IC also provides supply voltage monitoring and current monitoring features. The supply voltage monitoring feature allows continuous monitoring of the supply voltage and will trip the IC off in case of voltage overload. The current monitoring feature allows continuous monitoring of the current through the motor and will trip the IC off in case of excessive current.The TEA3718SFPTR is a complete integrated power management IC designed to provide motor control and protection in a wide range of applications. It is suitable for a variety of motor control and power supply applications, and its various protection features provide added protection to motors from damage.

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