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Name: DRV8244SQRYJRQ1
Brand: Texas Instruments
SKU: DRV8244SQRYJRQ1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Texas Instruments DRV8244SQRYJRQ1

Part No.:: DRV8244SQRYJRQ1

Manufacturer:: Texas Instruments

Package:: 16-PowerVFQFN

Datasheet:

Description:: AUTOMOTIVE 40-V, 21-A H-BRIDGE D

In Stock:: 2702

Quantity:: Add To Cart

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DRV8244SQRYJRQ1 Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
Automotive, AEC-Q100
ProductStatus:
Active
MotorType-Stepper:
Bipolar, Unipolar
MotorType-ACDC:
Brushed DC
Function:
Driver - Fully Integrated, Control and Power Stage
OutputConfiguration:
Half Bridge (2)
Interface:
PWM, SPI
Technology:
Bi-CMOS
StepResolution:
-
Applications:
Automotive
Current-Output:
21A
Voltage-Supply:
4.5V ~ 35V
Voltage-Load:
4.5V ~ 35V
OperatingTemperature:
-40°C ~ 125°C (TA)
MountingType:
Surface Mount, Wettable Flank

DRV8244SQRYJRQ1 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DRV8244SQRYJRQ1 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 DRV8244SQRYJRQ1 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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DRV8244SQRYJRQ1 information

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DRV8244SQRYJRQ1 Typical application Circuitry

DRV8244SQRYJRQ1

The DRV8244SQRYJRQ1 is a state-of-the-art motor driver IC designed by Texas Instruments, specifically engineered for automotive applications requiring the control of brushed DC motors, stepper motors, or other inductive loads. It features integrated quad half-bridge drivers, making it versatile for driving a wide range of motor types with high efficiency and reliability.

Key Features and Parameters:

- Quad Half-Bridge Driver: Capable of driving four half-bridges, allowing for flexible motor and load control configurations.

- Wide Operating Voltage Range: Designed to operate across various supply voltages, accommodating a broad spectrum of automotive power systems.

- Advanced Protection Features: Integrates overcurrent protection, thermal shutdown, and under-voltage lockout to ensure operational safety and reliability.

- PWM Control Interface: Supports precise motor speed and torque control through pulse-width modulation (PWM) inputs.

- Automotive Grade: Meets rigorous automotive industry standards, ensuring durability and performance under harsh environmental conditions.

Application Scenario: Controlling the actuators in an automotive HVAC (Heating, Ventilation, and Air Conditioning) system, utilizing the DRV8244SQRYJRQ1 to precisely manage the airflow direction and intensity.

Circuit Design:

Designing an HVAC actuator control system with the DRV8244SQRYJRQ1 involves specific connections and configurations:

1. Power Supply Connection:

- VM (Motor Power Supply to Pin 28): Connect to the automotive battery supply, usually 12V, to power the actuators. Ensuring a stable power supply is vital for consistent actuator operation.

2. Actuator Motor Connection:

- OUT1 to Pin 8, OUT2 to Pin 9, OUT3 to Pin 16, OUT4 to Pin 15: Connect these output pins to the terminals of the actuators responsible for adjusting airflow direction and intensity. Accurate connection guarantees precise actuator movement.

3. Control Signal Inputs for Actuator Positioning:

- IN1 to Pin 2, IN2 to Pin 3, IN3 to Pin 10, IN4 to Pin 11: Apply digital control signals from the vehicle's electronic control unit (ECU) to these pins. Correct signal timing is crucial for the desired positioning of HVAC actuators.

4. PWM Speed Control for Variable Airflow:

- PWM to Pin 17: Input a PWM signal from the ECU to regulate the speed of the actuators. The PWM duty cycle directly influences the airflow intensity, enabling variable HVAC performance.

5. Fault Status Feedback for System Diagnostics:

- nFAULT to Pin 4: Connect this pin to the ECU to monitor the operational status of the DRV8244SQRYJRQ1. Immediate fault indication facilitates quick diagnostics and troubleshooting.

Design Considerations:

- EMI and EMC Management: Employ filtering and shielding techniques to minimize electromagnetic interference, crucial in preserving signal integrity within the automotive environment.

- Thermal Management: Implement adequate heat dissipation measures for the DRV8244SQRYJRQ1, such as heatsinks or thermal pads, especially when driving high-current loads, to prevent thermal overload.

- Power Supply Decoupling: Place decoupling capacitors close to the VM pin to stabilize the supply voltage, essential for preventing glitches during motor startup and operation.

- Protection Circuitry: Consider external protection circuits, like diodes, to safeguard against voltage spikes and enhance system reliability further.

- PCB Layout Optimization: Design the PCB layout to minimize high-current path lengths and ensure adequate decoupling for power supply lines, reducing voltage drops and improving efficiency.

By integrating the DRV8244SQRYJRQ1 into an automotive HVAC system, designers can leverage its robust driving capabilities and advanced protection features to achieve precise control over HVAC actuators. This application highlights the DRV8244SQRYJRQ1's adaptability and performance in automotive systems, where reliability and precision are paramount for comfort and safety.

DRV8244SQRYJRQ1 FAQ

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6. What is the process for return or replacement of DRV8244SQRYJRQ1?

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 DRV8244SQRYJRQ1 we delivered, we will accept the replacement or return of the DRV8244SQRYJRQ1 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 DRV8244SQRYJRQ1.

(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