Overview
The AMIS-30621C6213RG is a single-chip micro-stepping motor driver produced by onsemi. This device is designed to integrate a position controller and a control/diagnostic interface, making it ideal for various mechatronic applications. It operates as a slave on the LIN bus, allowing it to receive positioning instructions and drive motor coils accordingly. The chip is compatible with automotive and industrial voltage requirements and features advanced protection mechanisms such as overcurrent, undervoltage, and high temperature management.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VBB) | 6.5 | 29 | V | |
| Peak Current | 800 mA | |||
| Operating Temperature Range (TJ) | -40 | 165 | °C | |
| Junction Temperature Range (TJ) | -50 | 175 | °C | |
| Storage Temperature (Tst) | -55 | 160 | °C | |
| Human Body Model ESD Voltage on LIN Pin | -4 | 4 | kV | |
| Internal Supply Voltage (VDD) | 4.75 | 5 | 5.25 | V |
| Powerdown Supply Current | 100 μA |
Key Features
- Micro-Stepping Technology: Enables precise motor control with high resolution.
- Peak Current Up to 800 mA: Supports a wide range of motor applications.
- Fixed Frequency PWM Current-Control: Ensures stable and efficient motor operation.
- Automatic Selection of Fast and Slow Decay Mode: Optimizes motor performance based on the application.
- No External Fly-Back Diodes Required: Simplifies the circuit design and reduces component count.
- Compliant with 14 V Automotive Systems and Industrial Systems up to 24 V: Versatile for various environments.
- Position Controller with RAM and OTP Memory: Allows for configurable speeds, acceleration, and positioning ranges.
- LIN Interface Compliant to LIN Rev. 2.0 and Data-Link Layer Compatible with LIN Rev. 1.3: Supports advanced communication protocols.
- Field-Programmable Node Addresses and Dynamically Allocated Identifiers: Enhances flexibility in network configurations.
- Diagnostics and Status Information: Provides real-time monitoring and error detection.
- Protection Mechanisms: Includes overcurrent protection, undervoltage management, open-circuit detection, high temperature warning, and LIN bus short-circuit protection.
- Power Saving Features: Low powerdown supply current and wake-up on LIN activity.
- EMI Compatibility: Integrated slope control for LIN bus and HV outputs.
Applications
The AMIS-30621C6213RG is ideally suited for various small positioning applications across different industries. Key target markets include:
- 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.
These applications typically involve multiple axes or require mechatronic solutions with the driver chip mounted directly on the motor.
Q & A
- What is the peak current capability of the AMIS-30621C6213RG?
The peak current capability is up to 800 mA.
- What is the operating temperature range of the AMIS-30621C6213RG?
The operating temperature range is from -40°C to 165°C.
- Is the AMIS-30621C6213RG compatible with automotive voltage requirements?
Yes, it is fully compatible with 14 V automotive systems and industrial systems up to 24 V.
- What communication protocol does the AMIS-30621C6213RG support?
The device supports the LIN bus protocol, compliant with LIN Rev. 2.0 and data-link layer compatible with LIN Rev. 1.3.
- Does the AMIS-30621C6213RG require external fly-back diodes?
No, external fly-back diodes are not required.
- What type of memory does the position controller use?
The position controller uses both RAM and OTP (One-Time Programmable) memory.
- What are the key protection mechanisms of the AMIS-30621C6213RG?
The device includes overcurrent protection, undervoltage management, open-circuit detection, high temperature warning, and LIN bus short-circuit protection.
- How does the AMIS-30621C6213RG manage power consumption?
The device features low powerdown supply current and wake-up on LIN activity to manage power consumption efficiently.
- What is the purpose of the charge pump in the AMIS-30621C6213RG?
The charge pump is used to generate the necessary voltage levels for the device's operation, particularly for the motor driver stages.
- Can the node addresses of the AMIS-30621C6213RG be programmed?
Yes, the node addresses can be field-programmable, and identifiers can be dynamically allocated.
- What are some typical applications of the AMIS-30621C6213RG?
Typical applications include headlamp alignment, HVAC, idle control, cruise control in automotive; lighting, fluid control, labeling, process control in industrial equipment; and HVAC, surveillance, satellite dish, renewable energy systems in building automation.
