DRV8804DW

Technology:	Power MOSFET
Base Part Number:	DRV8804
Supplier Device Package:	20-SOIC
Package / Case:	20-SOIC (0.295", 7.50mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 150°C (TJ)
Voltage - Load:	8.2 V ~ 60 V
Voltage - Supply:	8.2 V ~ 60 V
Current - Output:	800mA
Applications:	General Purpose
Step Resolution:	--
Series:	--
Interface:	SPI
Output Configuration:	Low Side (4)
Function:	Driver - Fully Integrated, Control and Power Stage
Motor Type - AC, DC:	Brushed DC
Motor Type - Stepper:	Unipolar
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tube

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DRV8804DW is a motor driver IC designed for high performance three-phase, brushless DC motor control in embedded applications. It is a multi-integrated device designed to reduce components and bring down the system cost. The device provides three high-current half-bridge motor outputs in various shapes, such as normal pulse-width-modulated (PWM) outputs, and adjustable current limiting, fault detection and protection, regenerative braking and adjustable current limiting.The DRV8804DW is an intelligent motor control system that combines three half-bridge gate drives with intelligent protection, current sensing, and control logic. The device contains an embedded pre-processing unit that receives PWM signals from the connected microcontroller and converts them into a stream of instructions for driving the half-bridge gates. The pre-processing unit also includes pre-set profiles and power management capabilities.The DRV8804DW employs an advanced current limiting feature that allows the user to set the output current limits on each phase independently. The device also contains a fault detection feature with variable propagation delays to ensure that the device can detect and respond to short circuits or over temperature conditions. The device also offers an integrated temperature sensor for motor temperature monitoring.The DRV8804DW also contains an adjustable regenerative braking control feature that allows the user to control the speed of the motor’s deceleration. This feature can be used to achieve maximum efficiency when controlling the motor speed. Another feature is an adjustable slew rate that can be used to achieve high-performance control when driving the motors at higher speeds.The device’s integrated protection features, such as overcurrent, overvoltage, undervoltage and short circuit protection, provide significant protection for the devices and the motors. The integrated bootstrap feature also increases the device’s reliability and robustness. The DRV8804DW can be used to control high-frequency three-phase brushless DC motors up to 25A current rating. Its split outputs also enable low-power and high-current applications.In summary, the DRV8804DW is an intelligent motor driver IC designed to reduce components and bring down the system cost. It offers an integrated pre-processing unit, current limiting, fault detection, temperature sensor, regenerative braking, and adjustable slew rate for motor control. It can be used to control high-frequency three-phase brushless DC motors up to 25A current rating and with integrated protection features.

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