Overview
The AMIS-30622C6227G, produced by onsemi, is a single-chip micro-stepping motor driver integrated with a position controller and a control/diagnostic interface. This device is designed to build intelligent peripheral systems, allowing up to 32 drivers to be connected to one I2C master, thereby reducing system complexity. It supports micro-stepping technology, enabling silent motor operation and increased positioning resolution. The chip is configurable for different motor types, positioning ranges, and parameters for speed, acceleration, and deceleration through its on-chip position controller using OTP or RAM memory.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| VBB Supply Voltage | 6.5 | 29 | V | |
| TJ Operating Temperature Range | -40 | 165 | °C | |
| Peak Current Through Motor Coil | 800 | mA | ||
| Max RMS Current Through Coil | 570 | mA | ||
| I2C SCL Clock Frequency (Standard Mode) | 100 | kHz | ||
| PWM Frequency | 18 | 22 | kHz | |
| Charge Pump Frequency | 250 | kHz |
Key Features
- Micro-Stepping Technology: Allows silent motor operation and increased positioning resolution.
- Peak Current: Up to 800 mA.
- Fixed Frequency PWM Current Control: With automatic selection of fast and slow decay mode.
- No External Fly-back Diodes Required: Simplifies the circuit design.
- Position Controller: Configurable speeds and acceleration.
- I2C Interface: Bi-directional 2-wire bus for inter IC control with field-programmable node addresses.
- Protection Features: Overcurrent protection, undervoltage management, open-circuit detection, high temperature warning and management, and low temperature flag.
- EMI Compatibility: High voltage outputs with slope control.
- Pb-Free Device: Compliant with environmental regulations.
Applications
The AMIS-30622C6227G is ideally suited for small positioning applications across various industries, including:
- Automotive: Headlamp alignment, HVAC, idle control, cruise control.
- Industrial Equipment: Lighting, fluid control, labeling, process control, XYZ tables, robots.
- Building Automation: HVAC, surveillance, satellite dish, renewable energy systems.
Suitable applications typically involve multiple axes or require mechatronic solutions with the driver chip mounted directly on the motor.
Q & A
- What is the AMIS-30622C6227G?
The AMIS-30622C6227G is a single-chip micro-stepping motor driver with a position controller and control/diagnostic interface.
- What are the key features of the AMIS-30622C6227G?
Key features include micro-stepping technology, peak current up to 800 mA, fixed frequency PWM current control, and an I2C interface.
- What are the operating voltage and temperature ranges for the AMIS-30622C6227G?
The operating voltage range is 6.5V to 29V, and the operating temperature range is -40°C to 165°C.
- What types of protection does the AMIS-30622C6227G offer?
The device offers overcurrent protection, undervoltage management, open-circuit detection, high temperature warning and management, and low temperature flag.
- What is the purpose of the I2C interface in the AMIS-30622C6227G?
The I2C interface allows for bi-directional 2-wire bus communication for inter IC control and provides field-programmable node addresses.
- What are some typical applications for the AMIS-30622C6227G?
Typical applications include automotive, industrial equipment, and building automation, particularly in systems requiring precise positioning and control.
- Does the AMIS-30622C6227G require external fly-back diodes?
No, the AMIS-30622C6227G does not require external fly-back diodes, simplifying the circuit design.
- How does the micro-stepping technology benefit the motor operation?
Micro-stepping technology allows for silent motor operation and increased positioning resolution.
- What is the maximum PWM frequency of the AMIS-30622C6227G?
The maximum PWM frequency is 22 kHz.
- Is the AMIS-30622C6227G Pb-free?
