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DRV8834RGER
+NomenclatureIC MTR DRV BIPLR 2.5-10.8V 24QFN
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FabricantTexas Instruments
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Pièce fabricant #DRV8834RGER
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Package VQFN (RGE)-24
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En stock2365
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Spécifications
| Attribut | Valeur |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| 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 |
| Package/Case | 24-VFQFN Exposed Pad |
Présentation
Description
Key features include a wide operating voltage range of 2.5V to 10.8V, current regulation with adjustable current limits, and a microstepping indexer that supports full-step, half-step, quarter-step, eighth-step, and sixteenth-step modes. The DRV8834RGER also includes built-in protection features such as overcurrent protection, overtemperature shutdown, and undervoltage lockout to safeguard the motor and driver.
The package is highly compact, typically available in a 24-pin VQFN package, allowing for efficient thermal management. This driver is widely used in applications like 3D printers, camera platforms, and portable devices where precise motor control is required.
Equivalent
Features
1. Low Voltage Operation: Supports motor power supply voltages from 2.5V to 10.8V, making it suitable for battery-powered applications.
2. Microstepping Support: Provides up to 1/32 microstepping for smooth and precise motor control.
3. Current Regulation: Adjustable current control with a simple resistor to set the reference voltage for current limiting.
4. Protection Features: Includes overcurrent, overtemperature, and undervoltage lockout protections to enhance reliability.
5. Sleep Mode: Low-power sleep mode reduces power consumption when the motor is not in use.
6. Small Package: Available in a compact 24-pin VQFN package, optimizing space for portable devices.
7. Interface: Simple STEP/DIR interface for easy integration with control systems.
8. Thermal Performance: Good thermal dissipation properties due to its package design, suitable for high-performance requirements.
This driver is ideal for applications requiring compactness, efficiency, and precision, such as robotics, 3D printers, and portable devices.
Pinout
Key features include:
- Microstepping capabilities with up to 1/32-step resolution.
- Built-in protection features such as overcurrent, overtemperature, and undervoltage lockout.
- Configurable current regulation to control motor current via external resistors.
- Sleep mode for low power consumption.
The DRV8834 uses a simple step/direction interface for controlling the motor steps and direction. It also provides multiple decay modes for current regulation, including slow decay, fast decay, and mixed decay, enhancing its flexibility in various applications.