Overview
The DRV8830DRCR, produced by Texas Instruments, is an integrated motor driver solution designed for low-voltage, battery-powered motion control applications. This device is particularly suited for driving brushed DC motors or one winding of a stepper motor. It features a compact 3-mm × 3-mm VSON package and an HVSSOP package with PowerPAD™, making it ideal for space-constrained designs. The DRV8830DRCR integrates an H-bridge driver, current regulation circuitry, and PWM voltage regulation, allowing for constant motor speed even with varying supply voltages.
Key Specifications
| Parameter | Min | Max | Unit |
|---|---|---|---|
| Motor Power Supply Voltage (VCC) | 2.75 | 6.8 | V |
| Continuous or Peak H-Bridge Output Current (IOUT) | 0 | 1 | A |
| HS FET On Resistance (RDS(ON)) | 250 | - | mΩ |
| Line Regulation | - | ±1% | - |
| Load Regulation | - | ±1% | - |
| Internal PWM Frequency | - | 44.5 kHz | - |
| Thermal Shutdown Temperature | 150 | 160 | °C |
| Reference Output Voltage (VREF) | 1.235 | 1.285 | V |
Key Features
- PWM Voltage Regulation: Maintains constant motor speed over varying supply voltages using PWM technique.
- Current Limit Circuitry: Protects against overcurrent conditions with adjustable current limit set by an external resistor.
- Protection Circuits: Includes overcurrent protection, short-circuit protection, undervoltage lockout, and overtemperature protection.
- I2C-Compatible Serial Interface: Allows control and monitoring of the device by a microcontroller.
- Low Power Operation: Enters sleep mode to minimize supply current when both IN1 and IN2 are set to logic low.
- Compact Packaging: Available in 3-mm × 3-mm VSON and HVSSOP packages with PowerPAD™ for efficient heat dissipation.
Applications
- Battery-Powered Toys: Ideal for toys that require efficient and reliable motor control.
- Printers: Suitable for printer mechanisms that need precise motor control.
- Robotics: Used in robotic systems for motion control.
- Cameras and Phones: Can be used in camera and phone mechanisms that require small actuators and motors.
- Small Actuators and Pumps: Applicable to various small actuator and pump applications.
Q & A
- What is the operating voltage range of the DRV8830DRCR?
The operating voltage range is from 2.75 V to 6.8 V. - What is the maximum output current of the DRV8830DRCR?
The maximum output current is 1 A. - How does the DRV8830DRCR maintain constant motor speed?
It uses PWM voltage regulation to maintain constant motor speed over varying supply voltages. - What protection features are included in the DRV8830DRCR?
The device includes overcurrent protection, short-circuit protection, undervoltage lockout, and overtemperature protection. - How is the DRV8830DRCR controlled and monitored?
It is controlled and monitored via an I2C-compatible serial interface. - What are the available package options for the DRV8830DRCR?
The device is available in 3-mm × 3-mm VSON and HVSSOP packages with PowerPAD™. - How does the current limit circuitry work in the DRV8830DRCR?
The current limit is set by an external resistor connected to the ISENSE pin, and the device enters shutdown if the current exceeds the set limit. - What is the thermal shutdown temperature of the DRV8830DRCR?
The thermal shutdown temperature is approximately between 150°C and 160°C. - How can the DRV8830DRCR be put into low power mode?
It enters sleep mode when both IN1 and IN2 are set to logic low. - What is the internal PWM frequency of the DRV8830DRCR?
The internal PWM frequency is 44.5 kHz.
