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Name: DRV8844PWPR
Brand: Texas Instruments
SKU: DRV8844PWPR
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 DRV8844PWPR

Part No.:: DRV8844PWPR

Manufacturer:: Texas Instruments

Package:: 28-PowerTSSOP (0.173, 4.40mm Width)

Datasheet:: DRV8844PWPR.pdf

Description:: IC MTR DRV BIPOLR 8-60V 28HTSSOP

In Stock:: 2123

Quantity:: Add To Cart

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DRV8844PWPR Typical application Circuitry

DRV8844PWPR

The DRV8844PWPR is a key member of Texas Instruments' DRV8844 series, renowned for its motor driver solutions that are specifically tailored for stepper motors and brushed DC motors. This series is widely acclaimed for its dual H-bridge design, which enables it to control two independent brushed DC motors or a single bipolar stepper motor. The DRV8844PWPR is particularly suited for applications requiring precise motor control, such as in automation, automotive systems, and consumer electronics. It incorporates features like microstepping support, adjustable current regulation, overcurrent protection, and thermal shutdown, enhancing its versatility and reliability.

1. Power Supply Connection: The DRV8844PWPR functions within a voltage range of 8.2V to 45V. Connect the VM pin to a suitable power source within this range. Employing a decoupling capacitor near the VM pin is recommended for stabilizing the power supply and reducing noise.

2. Grounding Strategy (GND Pin): The device includes a Ground (GND) pin, essential for the DRV8844PWPR's stability and optimal performance. This pin should be connected to the system's ground.

3. Motor Phase Connections (OUT1A, OUT1B, OUT2A, OUT2B Pins): The DRV8844PWPR controls motors through OUT1A, OUT1B, OUT2A, and OUT2B pins. For two brushed DC motors, connect each motor to a pair of these outputs. For a bipolar stepper motor, connect the motor coils to these outputs for effective control.

4. Input Signal Handling (AIN1, AIN2, BIN1, BIN2 Pins): The AIN1, AIN2, BIN1, and BIN2 pins receive input control signals that dictate the motors' operations. These should be connected to the output controls from a microcontroller or another control system.

5. Microstepping and Current Regulation (DECAY, MODE, nENABLE Pins): The DECAY, MODE, and nENABLE pins are used for controlling microstepping, current decay modes, and enabling/disabling the device, respectively. Configure these pins according to your specific motor control requirements.

6. Fault Indication (nFAULT Pin): The nFAULT pin is an open-drain output that signals fault conditions such as overcurrent or thermal overload. Connect this pin to a microcontroller input for effective fault monitoring and management.

7. PCB Layout Considerations: Designing the PCB for the DRV8844PWPR requires careful planning to manage high-current paths effectively and separate power and signal traces to minimize electromagnetic interference.

8. Thermal Management and Protection Measures: Given the DRV8844PWPR's power handling capabilities, implementing thermal management solutions and protective elements such as resistors and capacitors is advisable for enhanced performance and durability.

In summary, the DRV8844PWPR is a versatile and efficient motor driver, ideal for controlling brushed DC motors or stepper motors in a variety of applications. Ensuring proper connections for power supply, grounding, motor phase, control inputs, microstepping, current regulation, and fault indication, combined with a well-organized PCB layout and thermal management, are crucial for optimizing the performance of the DRV8844PWPR in your motor control systems.

DRV8844PWPR information

DRV8844PWPR Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
MotorType-Stepper:
Bipolar
MotorType-ACDC:
Brushed DC
Function:
Driver - Fully Integrated, Control and Power Stage
OutputConfiguration:
Half Bridge (4)
Interface:
Parallel
Technology:
Power MOSFET
StepResolution:
-
Applications:
General Purpose
Current-Output:
1.75A
Voltage-Supply:
8V ~ 60V
Voltage-Load:
8V ~ 60V
OperatingTemperature:
-40°C ~ 150°C (TJ)
MountingType:
Surface Mount

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6. What is the process for return or replacement of DRV8844PWPR?

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 DRV8844PWPR we delivered, we will accept the replacement or return of the DRV8844PWPR 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 DRV8844PWPR.

(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