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Name: DRV8889QWRGERQ1
Brand: Texas Instruments
SKU: DRV8889QWRGERQ1
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 DRV8889QWRGERQ1

Part No.:: DRV8889QWRGERQ1

Manufacturer:: Texas Instruments

Package:: 24-VFQFN Exposed Pad

Datasheet:: DRV8889QWRGERQ1.pdf

Description:: AUTOMOTIVE STEPPER DRIVER

In Stock:: 2636

Quantity:: Add To Cart

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DRV8889QWRGERQ1 Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
Automotive, AEC-Q100
ProductStatus:
Active
MotorType-Stepper:
Bipolar
MotorType-ACDC:
-
Function:
Driver - Fully Integrated, Control and Power Stage
OutputConfiguration:
Half Bridge (4)
Interface:
SPI, Step/Direction
Technology:
NMOS
StepResolution:
1 ~ 1/256
Applications:
Automotive
Current-Output:
1.5A
Voltage-Supply:
0V ~ 5.5V
Voltage-Load:
4.5V ~ 45V
OperatingTemperature:
-40°C ~ 125°C (TA)
MountingType:
Surface Mount

DRV8889QWRGERQ1 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DRV8889QWRGERQ1 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 DRV8889QWRGERQ1 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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DRV8889QWRGERQ1 information

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DRV8889QWRGERQ1 Typical application Circuitry

DRV8889QWRGERQ1

The DRV8889QWRGERQ1 is a stepper motor driver chip designed to efficiently drive bipolar stepper motors in automotive and industrial applications.

Functionality: This chip integrates a dual H-bridge driver for controlling stepper motors, offering features such as microstepping, stall detection, and advanced current regulation. It provides precise control of motor speed and position with reduced power consumption and heat generation.

Application Scenarios: The DRV8889QWRGERQ1 is used in automotive applications such as headlamp adjustment, HVAC control, and power seats. It is also employed in industrial automation for precision control of conveyor belts, robotic arms, and other motor-driven systems.

Parameter Characteristics: The chip operates within a voltage range of 4.5V to 45V and can deliver up to 1.5A of continuous current per phase. It supports various microstepping modes and offers advanced diagnostics and protection features.

Circuit Design for a Robotic Arm Motor Control:

1. Power Supply Connection: Connect the VM pin of the DRV8889QWRGERQ1 to a suitable power supply (e.g., 24V) for the motor, and the GND pin to the system ground.

2. Motor Connection: Connect the stepper motor windings to the motor output pins (OUT1A, OUT1B, OUT2A, OUT2B) of the DRV8889QWRGERQ1, ensuring correct phase alignment.

3. Control Interface: Connect the STEP, DIR, and nSLEEP pins to the corresponding digital I/O pins on the microcontroller for controlling motor movement, direction, and sleep mode.

4. Current Regulation: Set the appropriate current limit for the motor by connecting external resistors to the ISENSE pins and configuring the DECAY and TORQUE pins as per the desired current regulation mode.

Design Considerations:

- Power Supply Stability: Ensure a stable and sufficient power supply to drive the motor without causing voltage drops or overheating.

- Thermal Management: To control the heat produced by the motor driver, install sufficient heat dissipation mechanisms, such as heatsinks or thermal vias.

- EMI Mitigation: Minimize electromagnetic interference by using proper PCB layout techniques, such as short and direct trace routing for motor connections.

- Protection Features: Utilize the built-in diagnostics and protection features of the DRV8889QWRGERQ1 to safeguard the motor and driver from overcurrent, overtemperature, and other fault conditions.

By incorporating the DRV8889QWRGERQ1 chip into a robotic arm control system, developers can achieve precise and efficient control of stepper motors, enhancing the performance and reliability of the robotic arm.

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6. What is the process for return or replacement of DRV8889QWRGERQ1?

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 DRV8889QWRGERQ1 we delivered, we will accept the replacement or return of the DRV8889QWRGERQ1 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 DRV8889QWRGERQ1.

(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