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मूल्य सूची: Retail Price (B2C) मूल्य सूची
मूल्य सूची: Retail Price (B2C) मूल्य सूची
DRV8833 2 Channel DC Motor Driver

DRV8833 2 Channel DC Motor Driver

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SpecificationDetails
Operating Voltage (VM)2.7V to 10.8V DC
Output Current1.5A per channel (Continuous)
Peak Current2.0A per channel
Internal ChannelsDual H-Bridge (2 DC Motors / 1 Stepper)
Logic Voltage1.8V to 7V DC
ProtectionThermal, Over-current, Under-voltage
Price
₹ 80.51 ₹ 80.51
(Tax included)

बारकोड: 589314

Product Description

The DRV8833 2-Channel DC Motor Driver is a highly efficient, low-voltage alternative to the classic L298N and L293D drivers. Based on the Texas Instruments DRV8833 IC, this module utilizes high-performance MOSFETs instead of bipolar transistors, resulting in significantly lower voltage drops and higher efficiency. It is the ideal choice for battery-powered robotics (using 1S or 2S Li-Po batteries) where squeezing out every milliampere of efficiency is critical. The module can independently control two brushed DC motors or one 4-wire bipolar stepper motor with full bidirectional and PWM speed control.

Key Features

  • Low Voltage Drop: Features ultra-low RDS(on) MOSFETs, ensuring that almost all your battery voltage reaches the motors rather than being lost as heat.

  • Low-Power Sleep Mode: Includes a dedicated "ULT" (Sleep) pin that reduces current consumption to micro-amps, perfect for long-term battery operation.

  • Current Limiting (Isense): Designed with sense-resistor pads that allow for integrated current limiting to protect motors from burning out during a stall.

  • Multi-Platform Compatible: The low logic threshold (1.8V) makes it directly compatible with 3.3V systems like Raspberry Pi and ESP32 without needing a level shifter.

  • Compact SMD Design: Tiny footprint makes it easy to integrate into micro-sumo bots, drones, and handheld electronic gadgets.

Technical Details

  • Control Interface: 4-pin input (AIN1, AIN2, BIN1, BIN2).

  • Decoupling: Built-in SMD capacitors for noise suppression.

  • Mounting: Standard 0.1" (2.54mm) pitch header holes for breadboard use.

Prototyping and Engineering Tips from Robogears

  • The "MOSFET Advantage": If you are switching from an L298N to a DRV8833, you will notice your motors spin faster even on the same battery. This is because the DRV8833 has a voltage drop of only ~0.1V-0.2V, compared to the 2V drop of the older L298N.

  • Parallel Channel Hack: For high-torque motors, you can tie the two channels together (AIN1 to BIN1, AIN2 to BIN2, etc.) to double the current capacity. This allows the module to drive a single DC motor at up to 3A continuous.

  • PWM Braking vs. Coasting: To "Coast" the motor (let it stop slowly), set both input pins (e.g., AIN1 and AIN2) to LOW. To "Brake" the motor (stop instantly), set both input pins to HIGH. For speed control, apply the PWM signal to one pin while keeping the other LOW.

  • Capacitance at VM: Even though the board is small, always add a 100uF or 220uF electrolytic capacitor as close as possible to the VM and GND pins. This prevents the "noisy" motor current from causing resets in your microcontroller.

  • Soldering Pins: The board often comes without headers. When soldering the pins, be careful not to bridge the tiny SMD components near the solder pads, as this can lead to a short circuit in the logic stage.

Package Includes

  • 1 x DRV8833 2-Channel DC Motor Driver Module

Disclaimer: Do not exceed the 10.8V maximum input voltage. Ensure the total current draw per channel does not exceed the 1.5A continuous rating for long-term use. While it has thermal protection, prolonged overheating can still lead to component fatigue. Always double-check your motor polarity before powering on.