FSB70450

Series:	Motion SPM® 7
Part Status:	Active
Type:	MOSFET
Configuration:	3 Phase
Current:	4.8A
Voltage:	500V
Voltage - Isolation:	1500Vrms
Package / Case:	27-PowerLQFN Module

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FSB70450 Power Driver Modules Application Field and Working Principle

Power Driver Modules (PDM) provide bidirectional motor control, protecting the system from high voltage and current, as well as providing improved system performance. They are composed of a fast-switching power transistors, control devices and circuit protection components. The Fast Switched Bipolar (FSB) technology found in the FSB70450 Power Driver Modules (PDM) simplifies power switching design and reduces the need for multiple parallel devices.The FSB70450 devices are commonly found in applications such as electric vehicle drive systems, low voltage photovoltaic (PV) inverters, and three-phase brushless DC motor control. The PDM utilizes FSB technology for bidirectional power control, allowing for improved dynamic characteristics with greater efficiency and reduced total system cost.The FSB70450 Power Driver Module consists of four main parts: the main board with eight power transistors, two parallel control boards, and two serial control boards. The main board is designed to efficiently handle high power and high frequency signal applications up to 200 kHz, and is commonly used to control the speed and direction of the motor.The two parallel control boards are used for controlling the speed and direction of the motor, while the two serial control boards are used for interfacing with digital control systems such as PLCs, or microcontrollers. These control boards consist of digital logic, analog signal conditioning, and digital signal processing to enable precision motor control and feedback. The FSB70450 Power Driver Module operates in three basic modes: full voltage, limited voltage, and full current. In the full voltage mode, the power transistors provide maximum torque, speed, and efficiency, allowing for fast and accurate motor control. The limited voltage mode reduces total energy consumption by controlling the voltage applied to the power transistors. The full current mode controls the amount of current drawn, allowing for precise motor control and reducing the possibility of damage to the system components.In order to ensure optimal performance, the FSB70450 Power Driver Module features an in-built Fault Tolerant Mode which prevents system damage by detecting electrical faults and providing protection at the component level. The fault detection system features built-in temperature, voltage and current limiters which can detect and shut down any overloaded power transistors before they are damaged.The FSB70450 Power Driver Module is also designed to be simple to integrate, featuring a pin-compatible interface for easy connection to the motor and other system components. The PDM can be connected directly to a microcontroller for more precise control, or it can be connected to a larger system through its various communication ports such as USB, RS232, and CAN. The FSB70450 Power Driver Module is a powerful and highly flexible solution for high power and high frequency applications. By utilizing fast switching bipolar technology, the PDM offers superior system performance and improved efficiency. Additionally, the module’s fault-tolerant mode helps protect system components from damage and its integrated communication ports simplify system integration.

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