onsemi

LB1641-E

LB1641-E Description

The LB1641-E is a half bridge driver IC designed for driving inductive loads, particularly suited for applications involving DC motors and general-purpose use. Manufactured by onsemi, this device is part of the Power Management Integrated Circuits (PMIC) category. It features a half bridge output configuration with two channels, each capable of delivering up to 1.6A of output current. The LB1641-E operates within a supply voltage range of 5V to 18V and can handle load voltages in the same range. This IC is housed in a through-hole 10SIP package, making it suitable for a variety of mounting configurations.

LB1641-E Features

• Output Configuration: Half Bridge (2) - This configuration allows for efficient control of inductive loads, providing flexibility in driving various types of motors and actuators.
• Load Type: Inductive - Specifically designed to handle inductive loads, making it ideal for applications involving DC motors and solenoids.
• Technology: Bipolar - Utilizes bipolar technology, which is known for its robustness and reliability in power management applications.
• Voltage - Supply: 5V ~ 18V, 7V ~ 18V - A wide operating voltage range ensures compatibility with various power supply systems.
• Current - Output / Channel: 1.6A - Each channel can deliver up to 1.6A, providing sufficient current for driving small to medium-sized motors.
• Interface: Logic - Logic-compatible interface simplifies integration with microcontrollers and other digital control systems.
• Moisture Sensitivity Level (MSL): 1 (Unlimited) - This indicates that the device is not sensitive to moisture, ensuring reliability in various environmental conditions.
• REACH Status: REACH Unaffected - Compliance with REACH regulations ensures that the device is free from restricted substances, making it suitable for use in environmentally conscious applications.
• ECCN: EAR99 - This classification indicates that the device is not subject to specific export controls, facilitating international use.
• HTSUS: 8542.39.0001 - This tariff code is used for customs purposes, simplifying import and export processes.

LB1641-E Applications

The LB1641-E is particularly well-suited for applications requiring the control of DC motors and general-purpose inductive loads. Its robust design and wide operating voltage range make it ideal for use in:

• DC Motors: Driving small to medium-sized DC motors in various consumer and industrial applications.
• General Purpose: Suitable for a wide range of applications where inductive load control is required, such as solenoids and relays.
• Automotive: Ideal for automotive applications where reliability and robustness are critical.
• Industrial Automation: Used in industrial control systems where precise motor control is necessary.

Conclusion of LB1641-E

The LB1641-E is a versatile half bridge driver IC that offers a robust solution for driving inductive loads. Its wide operating voltage range, high current capability, and logic-compatible interface make it suitable for a variety of applications, including DC motors and general-purpose use. Despite being marked as obsolete, the LB1641-E remains a reliable choice for applications requiring efficient and reliable power management. Its compliance with REACH regulations and moisture sensitivity level of 1 ensure that it is suitable for use in a wide range of environments. For applications requiring a reliable and efficient half bridge driver, the LB1641-E is an excellent choice.