LV8746V-TLM-E

Technology:	BiCDMOS
Base Part Number:	LV8746V
Supplier Device Package:	44-SSOP
Package / Case:	44-LSSOP (0.220", 5.60mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-20°C ~ 85°C (TA)
Voltage - Load:	9 V ~ 35 V
Voltage - Supply:	0 V ~ 5.5 V
Current - Output:	1A
Applications:	General Purpose
Step Resolution:	1, 1/2, 1/4
Series:	--
Interface:	Parallel
Output Configuration:	Half Bridge (4)
Function:	Driver - Fully Integrated, Control and Power Stage
Motor Type - AC, DC:	--
Motor Type - Stepper:	Bipolar
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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LV8746V-TLM-E is the latest family member in the PMIC - Motor Drivers, Controllers category from STMicroelectronics. It is an advanced and highly efficient motor drive with built-in protections and diagnostic functions. This motor driver provides three-step speed control, as well as current, voltage, and temperature monitoring, making it an ideal solution for home appliances, industrial and commercial motor applications.The LV8746V-TLM-E is designed to control the speed of brushless DC motors with sinusoidal current control. It features thermal protection with a high-precision temperature sensor and built-in driver protection against undervoltage, overvoltage, and overcurrent. The LV8746V-TLM-E also features an advanced three-step speed control algorithm and the ability to control multiple motors in parallel, allowing for maximum efficiency and expanded applications.The LV8746V-TLM-E supports PWM signal input and uses a patented technology which purifies the signal from high-frequency noise, giving it improved output with low noise. This device, along with its low start-up current, makes it ideal for energy-saving applications such as fan, pump, and compressor control.The LV8746V-TLM-E uses a simple two-wire serial interface for connection to a microcontroller, thereby requiring minimal external components. This single-chip device integrates the power stage, logic, protection, and diagnostics and is designed to minimize external components and reduce development time.Moreover, the LV8746V-TLM-E provides easy system integration of the motor and driver, allowing designers to focus on the development of a system-wide solution with no compromise in power efficiency. This device also supports system safety, reliability, and energy savings, making it an ideal solution for a broad range of applications, such as automotive, home appliances, lighting, and industrial and commercial motor controls.In operation, the LV8746V-TLM-E is capable of determining the current, voltage, and temperature of the motor load. The current amplitude and frequency of the PWM command dictates the motor speed, while the speed can be adjusted by changing the current or frequency of the PWM command. The device can be programmed to provide speed control by pulse-width modulation (PWM), phase-shifted PWM, sinusoidal PWM, or active current-mode PWM. Additionally, the device can be programmed to provide current, voltage, or temperature monitoring.In summary, LV8746V-TLM-E is an advanced and highly efficient motor driver IC designed for brushless DC motor control. It features a three-step speed control algorithm and current, voltage, and temperature monitoring capability, making it ideal for energy-saving applications. It is designed to minimize external components and reduce development time, and its single-chip integration of the power stage, protection, and diagnostics further simplify system design. Additionally, the LV8746V-TLM-E is suitable for a wide range of applications, such as automotive, home appliances, lighting, and industrial and commercial motor control.

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