Overview
The DRV8814PWPR, manufactured by Texas Instruments, is a high-performance dual-channel brushed DC motor driver designed for a wide range of applications. This integrated circuit features an 8 V to 45 V operating voltage range and can deliver up to 2.5 A of drive current at 24 V and 25°C. The DRV8814PWPR is housed in a 28-pin HTSSOP package with PowerPAD™, ensuring efficient thermal management. Its target user groups include engineers and designers working on printer, scanner, and other automation equipment applications. The DRV8814PWPR stands out for its robust protection features, including over-current protection, thermal shutdown, and under-voltage lockout, making it a reliable choice for demanding environments.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Operating Voltage Range | 8 - 45 | V | |
| Maximum Drive Current | 2.5 | A | At 24 V, 25°C |
| Package | 28-pin HTSSOP | With PowerPAD™ | |
| Output Configuration | Dual H-Bridge | ||
| Protection Features | OCP, TSD, UVLO | Over-current, Thermal Shutdown, Under-voltage Lockout | |
| Interface | Parallel Digital Control | Industry Standard | |
| Reference Output | 3.3 V | V | Built-in |
| Operating Temperature | -40 to 85 | °C |
Key Features
- Dual H-bridge current control motor driver for driving two DC motors.
- Four-level winding current control with multiple decay modes (slow and fast).
- Industry-standard parallel digital control interface for easy integration.
- Low-current sleep mode for power efficiency.
- Built-in 3.3 V reference output for simplified circuit design.
- Comprehensive protection features including over-current, thermal shutdown, and under-voltage lockout.
Applications
The DRV8814PWPR is ideally suited for a variety of applications, particularly in the automation and consumer electronics sectors. It is commonly used in printers, scanners, and other office automation equipment where reliable and precise motor control is essential. Additionally, its robust design and protection features make it suitable for industrial automation, robotics, and medical devices. The DRV8814PWPR's ability to handle high currents and voltages ensures it can meet the demands of these applications, providing both performance and reliability.
Q & A
What is the operating voltage range of the DRV8814PWPR?
The DRV8814PWPR operates within a voltage range of 8 V to 45 V.
What is the maximum drive current the DRV8814PWPR can handle?
It can handle up to 2.5 A of drive current at 24 V and 25°C.
What package does the DRV8814PWPR come in?
It comes in a 28-pin HTSSOP package with PowerPAD™.
What are the key protection features of the DRV8814PWPR?
It includes over-current protection (OCP), thermal shutdown (TSD), and under-voltage lockout (UVLO).
Can the DRV8814PWPR drive two DC motors?
Yes, it features dual H-bridge drivers capable of driving two DC motors.
What is the purpose of the built-in 3.3 V reference output?
It simplifies circuit design by providing a stable reference voltage.
What is the significance of the low-current sleep mode?
It enhances power efficiency by reducing current consumption when the device is not actively driving motors.
Is the DRV8814PWPR suitable for industrial applications?
Yes, its robust design and protection features make it suitable for industrial automation and other demanding environments.
What is the operating temperature range of the DRV8814PWPR?
It operates from -40°C to 85°C.
How does the DRV8814PWPR handle motor winding current control?
It offers four-level winding current control with multiple decay modes for precise motor control.
