LV8760T-MPB-E

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The LV8760T-MPB-E is a motor driver, controller and power management integrated circuit (PMIC) from Japanese semiconductor company, ROHM. This PMIC integrates high-precision speed and current control functions, which make it an ideal device for a variety of applications, such as: brushless DC (BLDC) and permanent magnet synchronous motor (PMSM); servo drives; and other systems needing high-precision, proportional-integral (PI) control.

This PMIC offers a variety of features, including:

• A current sensing circuit optimized for pump and fan motor control
• Advanced current control functions, such as over-current protection and brake control, to ensure motor safety
• Built-in power saving functions, such as off-time control and off-time skip, to reduce overall power consumption
• Integrated operational amplifier and transconductance amplifier, along with programmable gain settings, to simplify circuit design
• Integrated synchronous rectifier circuit and an on-chip boost converter, providing improved power efficiency
• Integrated brake transistor and protection circuits, enabling more compact design and high durability
• An SPI interface, providing a flexible control method

The LV8760T-MPB-E PMIC is designed to provide higher precision and flexibility in motor control applications. The device utilizes a synchronous rectifier circuit which, when combined with its on-chip boost converter, provides improved power efficiency and higher efficiency than traditional DC/DC converters. Furthermore, the current sensing circuit is optimized for pump and fan motor control, while the integrated brake transistor effectively reduces switching losses and increases system efficiency. The integrated operational amplifier and programmable gain settings further simplify system configuration, eliminating the need forexternal control circuitry, and enabling more compact design.

The LV8760T-MPB-E PMIC also offers a variety of advanced current control functions, such as over-current protection and brake control. Furthermore, the integrated power saving functions, such as off-time control and off-time skip, help to reduce overall power consumption. The integrated brake transistor and protection circuits provide high durability, which is ideal for applications with frequent start/stop cycles. Finally, the SPI interface provides a flexible control method for easy integration into various systems.

In conclusion, the LV8760T-MPB-E PMIC integrates a range of features necessary for high-precision motor control applications, while also providing excellent power efficiency and robust design. With its advanced current control features, integrated power saving functions, and programmable gain settings, it is an ideal device for a variety of applications, such as BLDC and PMSM motor drives, servo drives and other systems requiring high-precision, proportional-integral (PI) control.

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