Overview
The DRV8830DGQR, produced by Texas Instruments, is an integrated motor driver solution designed for battery-powered devices such as toys, printers, and other low-voltage or battery-powered motion control applications. This device features a single H-bridge driver, capable of driving one DC motor, one winding of a stepper motor, or other loads like solenoids. The output driver block consists of N-channel and P-channel power MOSFETs configured as an H-bridge to drive the motor winding efficiently.
Key Specifications
| Specification | Value |
|---|---|
| Operating Supply Voltage Range | 2.75 V to 6.8 V |
| Maximum DC/RMS or Peak Drive Current | 1 A |
| MOSFET On-Resistance (HS + LS) | 450 mΩ |
| Sleep Mode Current | 300 nA (Typical) |
| Interface | I2C-Compatible |
| Package Type | 10-TFSOP, 10-MSOP |
Key Features
- H-Bridge Voltage-Controlled Motor Driver
- Efficient PWM Voltage Control for Constant Motor Speed with Varying Supply Voltages
- Low MOSFET On-Resistance: HS + LS 450 mΩ
- Serial I2C-Compatible Interface with Multiple Address Selections (up to 9 devices on one I2C bus)
- Current Limit Circuit and Fault Output
- Thermally-Enhanced Surface Mount Packages
- Internal Protection Functions: Over Current Protection, Short-Circuit Protection, Undervoltage Lockout, and Overtemperature Protection
Applications
The DRV8830DGQR is suitable for a variety of applications, including battery-powered toys, printers, and other low-voltage or battery-powered motion control systems. It is also applicable for driving DC motors, stepper motors, and other actuators or loads.
Q & A
- What is the operating supply voltage range of the DRV8830DGQR?
The operating supply voltage range is from 2.75 V to 6.8 V. - What is the maximum drive current of the DRV8830DGQR?
The maximum DC/RMS or peak drive current is 1 A. - What type of interface does the DRV8830DGQR use?
The DRV8830DGQR uses an I2C-Compatible interface. - How many devices can be connected on one I2C bus?
Up to 9 devices can be connected on one I2C bus due to multiple address selections. - What is the typical sleep mode current of the DRV8830DGQR?
The typical sleep mode current is 300 nA. - What kind of protection functions are built into the DRV8830DGQR?
The device includes over current protection, short-circuit protection, undervoltage lockout, and overtemperature protection. - What types of motors can the DRV8830DGQR drive?
The DRV8830DGQR can drive one DC motor or one winding of a stepper motor, as well as other loads like solenoids. - What is the MOSFET on-resistance of the DRV8830DGQR?
The MOSFET on-resistance (HS + LS) is 450 mΩ. - What is the purpose of the PWM voltage regulation in the DRV8830DGQR?
The PWM voltage regulation is used to maintain constant motor speed over varying battery voltages while maintaining long battery life. - What type of packages are available for the DRV8830DGQR?
The DRV8830DGQR is available in 10-TFSOP and 10-MSOP packages.
