Hình ảnh chỉ để tham khảo
DRV8818PWP
+BOMIC MTR DRV BIPLR 3-5.5V 28HTSSOP
-
Nhà sản xuấtTexas Dụng cụ
-
Ông. Phần #DRV8818PWP
-
Bảng dữ liệu DRV8818PWP DataSheet
-
Có sẵn2997
365 Đảm bảo chất lượng ngày
7*24 giờ dịch vụ quarantee
90-Bảo hành sau bán hàng ngày
Bảo hành sản phẩm chính xác
Thông số kỹ thuật
| thuộc tính | Giá trị |
| Part Status | Obsolete |
| Motor Type - Stepper | Bipolar |
| Function | Driver - Fully Integrated, Control and Power Stage |
| Output Configuration | Half Bridge (4) |
| Interface | Logic |
| Technology | Power MOSFET |
| Step Resolution | 1, 1/2, 1/4, 1/8 |
| Applications | General Purpose |
| Current - Output | 2.5A |
| Voltage - Supply | 3V ~ 5.5V |
| Voltage - Load | 8V ~ 35V |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 28-PowerTSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 28-HTSSOP |
| Base Product Number | DRV8818 |
Tổng quan
Description
Key features include microstepping control, allowing for smooth motor operation, and built-in protection mechanisms like thermal shutdown and overcurrent protection. The device supports various control interfaces, including step/direction and PWM inputs, enhancing versatility in different setups.
The integrated charge pump helps maintain gate drive voltages for high-efficiency operation while minimizing external component requirements. Its compact HTQFP-HTP package facilitates easy integration onto PCBs. Overall, the DRV8818PWP is a robust solution for precise motor control in demanding applications.
Equivalent
Features
1. Voltage Range: Operates from 8.2V to 45V, suitable for a wide range of applications.
2. Current Handling: Delivers up to 1.5A per channel with thermal protection, allowing robust motor control.
3. Microstepping: Supports full, half, quarter, and eighth-step modes for precise motor control.
4. Integrated Protection: Includes thermal shutdown, overcurrent protection, and undervoltage lockout.
5. Control Interface: Compatible with PWM and direction control signals for flexible operation.
6. Sleep Mode: Low quiescent current in sleep mode to conserve power when not in use.
7. Fault Reporting: Provides fault detection outputs for monitoring motor status and operational integrity.
8. Compact Package: Available in a HTQFP-32 package, facilitating easy integration into compact designs.
These features make the DRV8818PWP ideal for robotics, automation, and various motion control applications.
Pinout
The pin count is 28, and the key functions include:
1. Motor driver outputs (OUT1, OUT2, OUT3, OUT4) - Connect to the motor windings.
2. Power supply pins (VM, GND) - Supply voltage for the motor (VM) and ground (GND).
3. Logic control inputs (IN1, IN2, IN3, IN4) - Control the direction and operation of each H-Bridge.
4. PWM inputs (PWM1, PWM2) - Enable speed control via PWM signals.
5. Diagnostic outputs (nFAULT) - Indicate fault conditions.
6. Current sensing (ISENS) - Monitor motor current for protection and control.
7. Sleep mode (nSLEEP) - Put the device in low-power mode.
This configuration allows for flexible motor control with features for diagnostics and protection.
Manufacturer
The DRV8818PWP specifically is a dual H-bridge motor driver designed for controlling DC motors and stepper motors in applications like robotics, automation, and other motor control scenarios. Texas Instruments is recognized for its commitment to quality and reliability, making it a preferred choice among engineers and designers in multiple sectors. With a strong emphasis on research and development, TI continues to be a key player in advancing semiconductor technologies.
Application
1. 3D Printers: For precise motor control in print heads and platform movement.
2. Robotics: Driving motors in robotic arms, wheels, and actuators.
3. Automated Equipment: In manufacturing and assembly lines for precise motion control.
4. Home Appliances: Controlling motors in washing machines, refrigerators, and HVAC systems.
5. Office Equipment: Used in printers, copiers, and scanners for movement and positioning.
Its versatility and integrated features make it suitable for a wide range of industrial and consumer applications.