Overview
The LB1940T-TLM-H is a 2-channel H-Bridge constant current driver produced by onsemi. This integrated circuit is designed to drive stepper motors and is widely used in various applications requiring precise motor control. The device is packaged in a TSSOP-20 case, making it suitable for a range of electronic systems where space efficiency is crucial.
Key Specifications
| Parameter | Value |
|---|---|
| Motor Type | Stepper |
| No. of Outputs | 4 |
| Output Current | 400 mA |
| Output Voltage | 10.5 V |
| Driver Case Style | TSSOP-20 |
Key Features
- 2-channel H-Bridge configuration for driving stepper motors.
- Constant current control for precise motor operation.
- Compact TSSOP-20 package for space-efficient designs.
- Low power consumption and high efficiency.
- Robust protection features including overcurrent and thermal protection.
Applications
The LB1940T-TLM-H is versatile and can be used in a variety of applications, including:
- Office automation products such as printers and scanners.
- Electrical home appliances like washing machines and air conditioners.
- Automotive electrical systems, including control systems for mirrors and seats.
- Camera and digital camera systems for precise lens control.
Q & A
- What is the primary function of the LB1940T-TLM-H?
The primary function is to drive stepper motors with constant current control. - What is the output current rating of the LB1940T-TLM-H?
The output current rating is 400 mA. - What is the package type of the LB1940T-TLM-H?
The package type is TSSOP-20. - What are some common applications for the LB1940T-TLM-H?
Common applications include office automation products, electrical home appliances, automotive electrical systems, and camera systems. - Does the LB1940T-TLM-H have built-in protection features?
Yes, it includes overcurrent and thermal protection features. - What is the maximum output voltage of the LB1940T-TLM-H?
The maximum output voltage is 10.5 V. - How many output channels does the LB1940T-TLM-H have?
The device has 4 output channels. - Is the LB1940T-TLM-H suitable for high-temperature environments?
It is designed with thermal protection, but specific temperature limits should be checked in the datasheet. - Where can I find detailed specifications for the LB1940T-TLM-H?
Detailed specifications can be found in the datasheet available on official websites and distributors like Digi-Key, Mouser, and JLCPCB. - Can the LB1940T-TLM-H be used in automotive applications?
Yes, it can be used in automotive electrical systems.
