onsemi

LC75834WHS-TLM-E

LC75834WHS-TLM-E Description

The LC75834WHS-TLM-E is an integrated circuit (IC) driver designed for driving 136-segment displays, manufactured by onsemi. This device is part of the Power Management Integrated Circuit (PMIC) category and is housed in a 48-pin square flat package (SQFP). The LC75834WHS-TLM-E is designed for surface mount applications, making it suitable for compact and high-density electronic designs. It operates within a supply voltage range of 2.7V to 6V and draws a supply current of 230 µA, ensuring efficient power consumption. The device communicates via a serial interface, providing a streamlined connection for control and data transfer.

LC75834WHS-TLM-E Features

• 136 Segment Configuration: The LC75834WHS-TLM-E is designed to drive up to 136 segments, making it highly versatile for complex display applications.
• Wide Voltage Range: With a supply voltage range of 2.7V to 6V, this IC can operate efficiently across various power supply conditions.
• Low Supply Current: Consuming only 230 µA, the LC75834WHS-TLM-E ensures minimal power draw, which is crucial for battery-operated and energy-efficient systems.
• Surface Mount Technology (SMT): The surface mount package allows for high-density PCB layouts and automated assembly processes, reducing manufacturing costs and improving reliability.
• Serial Interface: The serial interface simplifies the connection to microcontrollers and other control units, reducing the number of required pins and simplifying PCB design.
• Compliance and Safety: The LC75834WHS-TLM-E is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.
• Moisture Sensitivity Level (MSL) 4: This rating indicates the device can be safely stored for up to 72 hours in ambient conditions before assembly, providing flexibility in manufacturing schedules.

LC75834WHS-TLM-E Applications

The LC75834WHS-TLM-E is ideal for applications requiring high-segment LCD displays. Its low power consumption and wide voltage range make it suitable for portable devices, consumer electronics, and industrial control panels. Specific use cases include:

• Consumer Electronics: Ideal for driving LCD displays in devices such as calculators, digital clocks, and small appliances.
• Industrial Control Panels: Suitable for control panels that require detailed alphanumeric or graphical displays.
• Portable Devices: Perfect for battery-operated devices where power efficiency is critical, such as handheld meters and portable instruments.
• Automotive Applications: Can be used in automotive dashboards and control units where compact and reliable display drivers are needed.

Conclusion of LC75834WHS-TLM-E

The LC75834WHS-TLM-E offers a robust solution for driving 136-segment LCD displays with its efficient power consumption, wide voltage range, and compact surface mount package. Its serial interface simplifies integration with control systems, while its compliance with environmental and safety standards ensures it meets industry requirements. Although the product is now obsolete, it remains a valuable option for existing designs and legacy systems. For new projects, engineers may consider exploring updated alternatives from onsemi or other manufacturers to leverage the latest advancements in display driver technology.