Overview
The LB1909MC-BH is a stepper motor driver IC produced by onsemi, designed for efficient and precise motor control. This component is housed in a compact 10-pin SOIC package and is capable of handling currents up to 800mA. It operates within a wide supply voltage range of 2.5V to 16V, making it versatile for various applications. The driver is particularly suited for driving 2-phase bipolar stepping motors, including those used in general-purpose devices and industrial equipment like CNC machines and robotic arms.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Product Status | Obsolete | Motor Type - Stepper | Bipolar |
| Function | Driver - Fully Integrated, Control and Power Stage | Output Configuration | Half Bridge (4) |
| Interface | Parallel | Technology | Bipolar |
| Applications | General Purpose | Voltage - Supply | 2.5V ~ 16V |
| Voltage - Load | 2.5V ~ 16V | Operating Temperature | -30°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Package/Case | SOIC-10 |
| Maximum Power Source Voltage | -0.3 to +20 V | Applied Output Voltage | -0.3 to +20 V |
| Allowable Power Consumption | 820 mW | Storage Temperature | -40 to +150 °C |
Key Features
- Wide Supply Voltage Range: Operates from 2.5V to 16V, making it adaptable to various voltage requirements.
- Low Saturation Voltage: VO(sat) = 0.25V typ at IO = 200mA, ensuring efficient operation.
- Built-in Protection Circuits: Includes shoot-through current protection and thermal shutdown circuit for enhanced reliability.
- No Standby Current Consumption: Zero current consumption in standby mode, contributing to energy efficiency.
- Compact Package: 10-pin SOIC package, ideal for space-constrained applications.
Applications
The LB1909MC-BH is suitable for a variety of applications, including:
- CNC Machines: Precise motor control is essential in CNC machines, and this driver delivers the required performance and reliability.
- Robotic Arms: The driver's ability to handle high currents and operate within a wide voltage range makes it ideal for robotic arm applications.
- General-Purpose 2-Phase Bipolar Stepping Motors: Including dampers for refrigerators and other industrial equipment.
Q & A
- Q: What is the LB1909MC-BH used for?
A: The LB1909MC-BH is a stepper motor driver IC used for precise motor control in applications such as CNC machines, robotic arms, and general-purpose 2-phase bipolar stepping motors.
- Q: What is the supply voltage range of the LB1909MC-BH?
A: The LB1909MC-BH operates within a supply voltage range of 2.5V to 16V.
- Q: What are the key protection features of the LB1909MC-BH?
A: The IC includes built-in shoot-through current protection and thermal shutdown circuits to enhance reliability).
- Q: What is the maximum current handling capacity of the LB1909MC-BH?
A: The driver can handle currents up to 800mA).
- Q: Is the LB1909MC-BH still in production?
A: No, the LB1909MC-BH is listed as obsolete and is no longer manufactured).
- Q: How can I obtain detailed information about the LB1909MC-BH, such as datasheets and application notes?
A: You can download the datasheet and find other detailed information from the official onsemi website or through distributors like Ovaga and Digi-Key).
- Q: What is the operating temperature range of the LB1909MC-BH?
A: The operating temperature range is -30°C to 85°C (TA)).
- Q: Does the LB1909MC-BH have any standby current consumption?
A: No, the LB1909MC-BH has zero standby current consumption).
- Q: How can I contact support for technical inquiries or to request datasheets?
A: You can contact support via email at the respective distributor's support address, such as [email protected] for Ovaga).
- Q: What is the return or replacement process for the LB1909MC-BH?
A: Returns or replacements are accepted under specific conditions, including reporting defects within 365 days and obtaining Return Authorization. For detailed instructions, refer to the after-sales policy of the distributor).
