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Name: DRV8302DCA
Brand: Texas Instruments
SKU: DRV8302DCA
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments DRV8302DCA

Part No.:: DRV8302DCA

Manufacturer:: Texas Instruments

Package:: 56-TFSOP (0.240, 6.10mm Width) Exposed Pad

Datasheet:: DRV8302DCA.pdf

Description:: IC MOTOR DRIVER 8V-60V 56HTSSOP

In Stock:: 2241

Quantity:: Add To Cart

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DRV8302DCA Specifications

Packaging:
Bulk,Tube
Series:
-
ProductStatus:
Active
MotorType-Stepper:
-
MotorType-ACDC:
Brushless DC (BLDC)
Function:
Controller - Commutation, Direction Management
OutputConfiguration:
Pre-Driver - Half Bridge (3)
Interface:
Parallel
Technology:
Power MOSFET
StepResolution:
-
Applications:
General Purpose
Current-Output:
-
Voltage-Supply:
8V ~ 60V
Voltage-Load:
-
OperatingTemperature:
-40°C ~ 125°C (TA)
MountingType:
Surface Mount

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DRV8302DCA information

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DRV8302DCA Typical application Circuitry

DRV8302DCA

The DRV8302DCA is a high-performance, integrated gate driver designed for three-phase motor applications, particularly Brushless DC (BLDC) motors. Produced by Texas Instruments, it is equipped with dual MOSFET drivers, a current shunt amplifier, and a microcontroller interface, making it ideal for a variety of applications that require precise motor control. The DRV8302DCA is commonly used in applications such as electric bicycles, drones, fans, and other small electric vehicles or machinery that utilize three-phase motors.

Key Features and Parameters:

- Dual MOSFET Drivers: Capable of driving high-side and low-side N-channel MOSFETs.

- Integrated Current Shunt Amplifier: Facilitates precise current sensing for motor control feedback.

- Buck Regulator: Provides a 1.5A step-down voltage regulator to power the microcontroller and other circuitry.

- Protection Features: Includes under-voltage lockout, overcurrent protection, and thermal shutdown features.

- Three-Phase Gate Driver: Supports the control of three-phase BLDC motors, with the ability to adjust dead-time and drive strength.

Application Scenario: Utilizing the DRV8302DCA in an electric skateboard for efficient and precise control of the BLDC motor that powers the skateboard.

Circuit Design:

Incorporating the DRV8302DCA into an electric skateboard's motor control system requires careful planning around its pin connections and functionalities:

1. Power Supply Connection:

- PVDD (Pin 19): Connect to the battery power supply, which is typically within the range of 8V to 60V, depending on the skateboard battery. This pin powers the MOSFET drivers. Stable power supply is critical for reliable motor operation.

2. Motor Phase Connections:

- GH_A, GH_B, GH_C (Pins 14, 10, 17) and GL_A, GL_B, GL_C (Pins 16, 11, 18): Connect these pins to the gates of the high-side and low-side MOSFETs in the motor's three-phase bridge. Proper phase connection ensures accurate motor commutation.

3. Current Sensing:

- CS (Pin 15): Connect to a current sensing resistor placed in the low-side circuit path to monitor motor current, providing feedback for control algorithms. Accurate current sensing is crucial for effective torque and speed control.

4. Microcontroller Interface:

- nFAULT (Pin 12): Connect to a microcontroller GPIO pin to monitor fault conditions. This fault indication helps in implementing protective actions swiftly.

- EN_GATE (Pin 13): Connect to a microcontroller output to enable or disable the gate driver functionality. Controlled operation allows for safe startup and shutdown sequences.

5. Buck Regulator Output:

- VREG (Pin 20): Supplies power to the microcontroller and other low-voltage components in the circuit. Efficient power regulation is essential for the stability of control electronics.

Design Considerations:

- EMI Considerations: Implement EMI suppression techniques, especially in motor and power supply connections, to minimize interference with other electronic systems.

- Thermal Management: Ensure proper thermal management for the DRV8302DCA, using heatsinks or PCB thermal vias, particularly when operating at high currents or in enclosed spaces.

- Protection Mechanisms: Utilize the integrated protection features of the DRV8302DCA and consider additional external protection circuits for overvoltage and reverse polarity to enhance system reliability.

- PCB Layout: Optimize the PCB layout to minimize high-current path lengths and ensure adequate decoupling for the power supply lines to reduce voltage spikes and ringing.

- Gate Driving Configuration: Configure the gate drive settings according to the MOSFET requirements, adjusting dead-time and drive strength to match the motor and load characteristics.

By integrating the DRV8302DCA into an electric skateboard's control system, designers can leverage its robust driving capabilities, integrated current sensing, and advanced protection features to achieve efficient, precise control of the BLDC motor. This scenario highlights the DRV8302DCA's adaptability and performance in applications requiring compact, reliable motor control solutions.

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6. What is the process for return or replacement of DRV8302DCA?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the DRV8302DCA we delivered, we will accept the replacement or return of the DRV8302DCA only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of DRV8302DCA.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations