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PCF8577CP

Manufacturer: PHI

LCD direct/duplex driver with I2C-bus interface

Partnumber Manufacturer Quantity Availability
PCF8577CP PHI 464 In Stock

Description and Introduction

LCD direct/duplex driver with I2C-bus interface The **PCF8577CP** is a versatile and widely used integrated circuit (IC) designed for driving liquid crystal displays (LCDs). Manufactured in a **CMOS** technology, this component offers low power consumption while providing efficient control for multiplexed LCD panels. It supports **up to 32 segments**, making it suitable for applications such as digital clocks, instrumentation displays, and small-scale user interfaces.  

One of the key features of the PCF8577CP is its **I²C-bus interface**, which simplifies communication with microcontrollers and reduces the number of required connection lines. This makes it an ideal choice for space-constrained designs. Additionally, the IC includes an **on-chip oscillator**, eliminating the need for external timing components in many applications.  

The PCF8577CP operates over a **wide voltage range (2.5V to 6V)**, ensuring compatibility with various power supplies. Its robust design and low standby current make it well-suited for battery-powered devices. Engineers appreciate its ease of integration and reliable performance in both industrial and consumer electronics.  

With its combination of **low power, compact design, and flexible segment control**, the PCF8577CP remains a popular choice for LCD-based projects requiring efficient and straightforward interfacing.

Application Scenarios & Design Considerations

LCD direct/duplex driver with I2C-bus interface

Alternative Part Number

  • PCF8577CT --: Same PCF8577 LCD driver family in a different package variant, functionally equivalent with similar I2C interface and drive capability.
  • PCF8576CT --: Related NXP LCD segment driver with I2C interface; suitable when fewer segments are needed and pinout/package can be adapted.
  • HT1621B --: Common LCD segment driver IC with serial interface, widely used as a functional substitute in display driver designs.
  • PCF8566T --: NXP universal LCD driver with I2C interface that can drive comparable segment counts; a practical fallback when the exact PCF8577CP is unavailable, though pinout and segment mapping should be verified.

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