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DRV8876RGTR
+Lista de MateriaisIC MOTOR DRIVER DC 5.5V 16VQFN
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FabricanteTexas Instruments
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Peça do Fabricante #DRV8876RGTR
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Pacote VQFN-16
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Em Estoque1789
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Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Motor Type - Stepper | Unipolar |
| Motor Type - ACDC | Brushed DC |
| Function | Driver - Fully Integrated, Control and Power Stage |
| Output Configuration | Half Bridge (2) |
| Interface | PWM |
| Technology | NMOS |
| Applications | DC Motors, General Purpose, Stepper Motors |
| Current - Output | 3.5A |
| Voltage - Supply | 0V ~ 5.5V |
| Voltage - Load | 4.5V ~ 37V |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
Visão Geral
Description
Key features include an H-bridge driver configuration, PWM (Pulse Width Modulation) control for speed regulation, integrated protection mechanisms such as overcurrent, thermal shutdown, and undervoltage lockout, which enhance reliability. The device also features current regulation, which helps in limiting the motor current to prevent damage. The DRV8876 comes in a small 16-pin QFN package, facilitating compact designs.
This driver is ideal for industrial, consumer, and automotive applications where efficient and reliable motor control is required. Its ease of use and comprehensive protection features make it a popular choice among designers for embedded motor control solutions.
Equivalent
1. STMicroelectronics: L298, although it’s a dual H-bridge, it is commonly used for similar applications.
2. Allegro MicroSystems: A4950, a single H-bridge motor driver.
3. Infineon Technologies: BTN8982TA, a high-current H-bridge driver.
Ensure compatibility by checking the specific electrical and thermal requirements of your application.
Features
1. Wide Voltage Range: Supports 4.5V to 37V, allowing flexibility for different motor types and applications.
2. Current Regulation: Provides a peak current of 3.5A, enabling effective current control for motor protection.
3. Low On-Resistance: Integrated power MOSFETs with low on-resistance (HS + LS = 0.36 ohms) to minimize power loss and heat generation.
4. PWM Control: Supports pulse-width modulation for precise speed and torque control.
5. Protection Features: Includes overcurrent, overtemperature, and undervoltage lockout protections to enhance durability and reliability.
6. Multi-Mode Operation: Offers different operating modes such as sleep, standby, and active to optimize power consumption.
7. Compact Package: Available in a 16-pin VQFN package, making it suitable for space-constrained applications.
8. Diagnostics: Provides fault indication to alert users of abnormal conditions.
The DRV8876RGTR is ideal for applications in robotics, consumer electronics, and automotive systems where efficient and reliable motor control is essential.
Pinout
1. VM - Power supply for the motor.
2. OUT1 and OUT2 - Outputs to the motor.
3. SLEEPn - Puts the device into a low-power sleep mode.
4. IN1 and IN2 - Control inputs to drive the motor.
5. VREF - Reference voltage for current regulation.
6. ISEN - Connects to a sense resistor for current sensing.
7. nFAULT - Fault indicator output.
8. GND - Ground connection.
9. nSCS - Chip select for SPI communication.
10. SDI - Serial data input for SPI.
11. SDO - Serial data output for SPI.
12. SCLK - Serial clock for SPI.
13. VCP - Charge pump voltage.
14. Decoupling capacitors - Used for stabilizing the voltage levels.
This concise summary covers the primary functions and pin configuration for the DRV8876RGTR. Always refer to the datasheet for detailed specifications and application guidelines.