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PCF8576CU/2/F2

Name: PCF8576CU/2/F2
Rating: 4.7 (12 reviews)

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仕様

Brand	NXP Semiconductors
Product Type	Real Time Clocks
Subcategory	Clock & Timer ICs

概要

Description

The PCF8576CU/2/F2 is a versatile LCD driver designed by NXP Semiconductors, primarily for controlling liquid crystal displays (LCDs) in various applications. It interfaces with microcontrollers via the I2C bus, allowing for simple two-wire communication. The IC can drive up to 48 segments and 4 common lines, making it suitable for multi-segment displays.
Key features include a built-in oscillator for generating display timings, adjustable contrast control, and the ability to store display data in an internal RAM. It is designed to operate with a supply voltage range of 2.5V to 6V, ensuring compatibility with various systems. The device supports both static and dynamic display modes, enhancing its flexibility for different applications.
With its low power consumption and ease of integration, the PCF8576CU/2/F2 is ideal for use in automotive displays, consumer electronics, and other embedded systems requiring efficient LCD control.

Features

The PCF8576CU/2/F2 is a low-power, I2C bus-compatible, 16-channel LED driver designed for driving multiple LEDs. Key features include:
1. I2C Interface: Supports standard and fast-mode I2C communication, allowing easy integration with microcontrollers.
2. 16 Output Channels: Capable of controlling up to 16 individual LEDs with programmable brightness.
3. Programmable Brightness Control: Each channel can be set to different brightness levels using an internal PWM (Pulse Width Modulation) mechanism.
4. Low Power Consumption: Ideal for battery-operated devices due to its low quiescent current.
5. Wide Supply Voltage Range: Operates from 2.5V to 6V, making it versatile for various applications.
6. Thermal Protection: Built-in thermal shutdown feature to prevent overheating.
7. Compact Package: Available in a small TSSOP package, facilitating space-saving designs.
Overall, the PCF8576CU/2/F2 is suitable for applications such as backlighting, indicator lights, and decorative lighting in consumer electronics.

Package

The PCF8576CU/2/F2 is packaged in a DIP-16 (Dual In-line Package with 16 pins). This type of package is suitable for through-hole mounting on printed circuit boards.

Pinout

The PCF8576CU/2/F2 is a 16-pin I²C-bus LCD controller and driver. Its pin count is 16. Below are the functions of the pins:
1. VSS (Pin 1): Ground connection.
2. VDD (Pin 2): Supply voltage (typically 2.5V to 6V).
3. SDA (Pin 3): I²C data line.
4. SCL (Pin 4): I²C clock line.
5. RESET (Pin 5): Reset input to initialize the device.
6. V0 (Pin 6): Contrast adjustment voltage.
7. COM0 to COM3 (Pins 7-10): Common outputs for LCD segments.
8. SEG0 to SEG11 (Pins 11-14): Segment outputs for driving the LCD.
9. V5 (Pin 15): Internal reference voltage.
10. SCL2 (Pin 16): Second clock line for additional functions.
This device is primarily used for controlling alphanumeric displays in embedded systems.

Manufacturer

The PCF8576CU/2/F2 is manufactured by NXP Semiconductors. NXP is a global semiconductor company that specializes in providing various electronic components and solutions, particularly in the fields of automotive, industrial, IoT (Internet of Things), and mobile applications. The company focuses on enabling secure connections and infrastructure for a smarter world. NXP's products include microcontrollers, processors, RF solutions, and various integrated circuits, catering to a wide range of industries and applications.

Application

The PCF8576CU/2/F2 is a low-power, I2C-bus controlled LCD driver used primarily in applications for driving graphic LCDs, alphanumeric displays, and segment displays. Its key application areas include consumer electronics, industrial instrumentation, medical devices, and automotive dashboards, providing efficient control of backlighting and display functions in compact designs.

Equivalent

The PCF8576CU/2/F2 is a dual 7-segment display driver chip. Equivalent products include the HT16K33, MAX7219, and the TM1637. These alternatives also facilitate control of 7-segment displays but may vary in features, such as multiplexing or additional display capabilities. Always consult datasheets for compatibility and specific functions.