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Name: DRV8834RGER
Brand: Texas Instruments
SKU: DRV8834RGER
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 DRV8834RGER

Part No.:: DRV8834RGER

Manufacturer:: Texas Instruments

Package:: 24-VFQFN Exposed Pad

Datasheet:: DRV8834RGER.pdf

Description:: IC MTR DRV BIPLR 2.5-10.8V 24QFN

In Stock:: 2146

Quantity:: Add To Cart

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DRV8834RGER this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DRV8834RGER 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 DRV8834RGER 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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DRV8834RGER Typical application Circuitry

DRV8834RGER

The DRV8834RGER is a stepper motor driver chip designed to efficiently drive bipolar stepper motors in various applications.

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

Application Scenarios: The DRV8834RGER is used in applications such as office automation machines, medical devices, security cameras, and other motor-driven systems requiring precise control.

Parameter Characteristics: The chip operates within a voltage range of 2.5V to 10.8V 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 Security Camera Pan/Tilt Control:

1. Power Supply Connection: Connect the VM pin of the DRV8834RGER to a suitable power supply (e.g., 5V) for the motor, and the GND pin to the system ground.

2. Motor Connection: Connect the stepper motor windings to the motor output pins (A1, A2, B1, B2) of the DRV8834RGER, 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 pin and configuring the DECAY pin 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 devices, 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 DRV8834RGER to safeguard the motor and driver from overcurrent, overtemperature, and other fault conditions.

By incorporating the DRV8834RGER chip into a security camera pan/tilt control system, developers can achieve precise and efficient control of stepper motors, enhancing the camera's positioning capabilities.

DRV8834RGER information

DRV8834RGER 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:
Logic
Technology:
Power MOSFET
StepResolution:
1 ~ 1/32
Applications:
General Purpose
Current-Output:
1.5A
Voltage-Supply:
2.5V ~ 10.8V
Voltage-Load:
2.5V ~ 10.8V
OperatingTemperature:
-40°C ~ 150°C (TJ)
MountingType:
Surface Mount

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6. What is the process for return or replacement of DRV8834RGER?

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 DRV8834RGER we delivered, we will accept the replacement or return of the DRV8834RGER 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 DRV8834RGER.

(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