What is the Additional Feature ?

Name: DRV8842MPWPREP
Brand: Texas Instruments
SKU: DRV8842MPWPREP
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 DRV8842MPWPREP

Part No.:: DRV8842MPWPREP

Manufacturer:: Texas Instruments

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

Datasheet:: DRV8842MPWPREP.pdf

Description:: IC MTR DRVR BIPLR 8.2-45V 28SSOP

In Stock:: 2929

Quantity:: Add To Cart

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DRV8842MPWPREP Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT)
Series:
-
ProductStatus:
Active
MotorType-Stepper:
Bipolar
MotorType-ACDC:
Brushed DC
Function:
Driver - Fully Integrated, Control and Power Stage
OutputConfiguration:
Half Bridge (2)
Interface:
Parallel
Technology:
Power MOSFET
StepResolution:
-
Applications:
General Purpose
Current-Output:
3.5A
Voltage-Supply:
8.2V ~ 45V
Voltage-Load:
8.2V ~ 45V
OperatingTemperature:
-55°C ~ 125°C (TJ)
MountingType:
Surface Mount

DRV8842MPWPREP this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DRV8842MPWPREP price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for DRV8842MPWPREP to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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DRV8842MPWPREP information

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DRV8842MPWPREP Typical application Circuitry

DRV8842MPWPREP

The DRV8842MPWPREP appears to be a variant of a motor driver IC from Texas Instruments, specifically designed for controlling brushed DC motors or stepper motors in various applications. While the exact part number does not directly match standard Texas Instruments product nomenclature as of my last update, it's reasonable to infer features and applications based on the common characteristics of TI's DRV884x series motor driver ICs.

Key Features and Parameters:

- H-Bridge Motor Driver: Capable of driving a single brushed DC motor or one phase of a stepper motor.

- Wide Voltage Range: Supports a broad range of operating voltages, accommodating various motor types.

- Integrated Protection Features: Includes overcurrent, thermal, under-voltage lockout, and cross-conduction protection mechanisms.

- Adjustable Current Control: Offers control over output current, enabling torque management in stepper motors.

- PWM Control Interface: Supports pulse-width modulation input for precise speed control of the motor.

Application Scenario: Using the DRV8842MPWPREP in an automated curtain system to control the opening and closing of curtains based on user input or environmental sensors.

Circuit Design:

Designing an automated curtain system with the DRV8842MPWPREP involves several key connections and configurations:

1. Power Supply Connection:

- VM (Motor Power Supply, typically Pin 8): Connect to a DC power source suitable for the motor, often between 8V to 45V. Stable power input is critical for motor performance.

2. Motor Connection:

- OUTA and OUTB (Motor Outputs, typically Pins 3 and 6): Connect these pins to the two terminals of the DC motor used in the curtain system. Correct polarity ensures proper motor rotation direction.

3. Control Signal Inputs:

- PWM (Pulse-Width Modulation Input, typically Pin 5): Apply a PWM signal from a microcontroller to control the speed of the motor. Accurate PWM modulation enables precise control of curtain movement.

4. Fault Indication:

- nFAULT (Fault Indicator Output, typically Pin 2): Route this pin to a microcontroller to monitor the operational status and detect any fault conditions. Immediate fault detection allows for quick system response to protect the motor and driver.

5. Current Regulation for Motor Control:

- IREF (Current Reference, typically Pin 1): Connect to a resistor tied to ground to set the output current limit. This setting is crucial for protecting the motor from excessive current.

Design Considerations:

- EMI Considerations: Implement filtering on power and signal lines to minimize electromagnetic interference, especially in environments with multiple electronic devices.

- Thermal Management: Ensure adequate cooling for the DRV8842MPWPREP, potentially with a heatsink, to prevent thermal shutdown during extended operation.

- Power Supply Decoupling: Place capacitors close to the power supply pins to stabilize the voltage and reduce noise, ensuring smooth motor operation.

- Protection Mechanisms: Utilize the integrated protection features of the DRV8842MPWPREP and consider additional external protection circuits for enhanced system safety.

- PCB Layout Optimization: Design the PCB to minimize the path resistance and inductance on high-current tracks, ensuring efficient power delivery to the motor.

Incorporating the DRV8842MPWPREP into an automated curtain system demonstrates how its motor driving capabilities and advanced protection features can be leveraged to create intelligent, user-responsive environments. This application underscores the importance of precise motor control, robust system protection, and thoughtful circuit design in developing modern automated systems.

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

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