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MAX72044B+

Part No MAX72044B+
Manufacturer Maxim Integrated
Catalog PMIC - Voltage Regulators - Special Purpose
Description IC SAS EXPANDER / * Voltage Regulator IC Output
Datasheet
Sample
Rohs State rohs
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Category Integrated Circuits (ICs) - Power Management (PMIC) - Special Purpose Regulators
Mfr Maxim Integrated
Series *
Package Tube
Product Status Obsolete
Base Product Number MAX720
Standard Package 1 pcs
MSL Level 1 (Unlimited)
REACH Status REACH Unaffected
ECCN 5A991B1
HTSUS 8542.39.0001
Win Source Part Number 786946-MAX72044B+
Ultra Librarian 3D Model Ultra Librarian MAX72044B+ CAD Model

Description

4-Digit, 7-Segment Serial-In/Parallel-Out LED Display Driver

The MAX72044B+ is a 4-digit, 7-segment serial-in/parallel-out LED display driver with a built-in BCD decoder. It is designed to drive common-anode LED displays with up to 20mA of current per segment. The MAX72044B+ has a built-in scan limiter that automatically limits the number of active segments to eight, which reduces power consumption.

The MAX72044B+ is easy to use and requires only four connections to a microcontroller: serial data (DIN), serial clock (SCK), chip select (CS), and shift register clock (SRCLK). The MAX72044B+ can be used with a variety of microcontroller types, including 8-bit, 16-bit, and 32-bit microcontrollers.

The MAX72044B+ is ideal for a wide range of applications, including:

  • Digital clocks
  • Timers
  • Scoreboards
  • Thermometers
  • Multimeters
  • Industrial control systems
  • Consumer electronics

Features

  • 4-digit, 7-segment serial-in/parallel-out LED display driver
  • Built-in BCD decoder
  • Built-in scan limiter
  • Drives common-anode LED displays with up to 20mA of current per segment
  • Easy to use
  • Requires only four connections to a microcontroller
  • Can be used with a variety of microcontroller types
  • Ideal for a wide range of applications

Benefits

  • The MAX72044B+ is a cost-effective and easy-to-use LED display driver.
  • The built-in scan limiter reduces power consumption and extends battery life.
  • The MAX72044B+ can be used with a variety of microcontroller types, making it a versatile solution for a wide range of applications.

Applications

  • Digital clocks
  • Timers
  • Scoreboards
  • Thermometers
  • Multimeters
  • Industrial control systems
  • Consumer electronics

How to Use

To use the MAX72044B+, connect the DIN, SCK, CS, and SRCLK pins to the corresponding pins on the microcontroller. Then, write the desired data to the MAX72044B+ using the serial interface. The MAX72044B+ will automatically decode the data and drive the LED display.

Example

The following code shows how to use the MAX72044B+ to display the number 1234 on a 4-digit, 7-segment LED display:

// Define the pin assignments
#define DIN 10
#define SCK 11
#define CS 12
#define SRCLK 13

// Initialize the MAX72044B+
void setup() {
  pinMode(DIN, OUTPUT);
  pinMode(SCK, OUTPUT);
  pinMode(CS, OUTPUT);
  pinMode(SRCLK, OUTPUT);

  // Set the chip select pin to low to enable the MAX72044B+
  digitalWrite(CS, LOW);
}

// Display the number 1234 on the LED display
void loop() {
  // Write the data to the MAX72044B+
  digitalWrite(DIN, HIGH);
  digitalWrite(SCK, HIGH);
  shiftOut(DIN, SCK, MSBFIRST, 0x01); // Display the number 1
  digitalWrite(DIN, LOW);
  digitalWrite(SCK, LOW);

  digitalWrite(DIN, HIGH);
  digitalWrite(SCK, HIGH);
  shiftOut(DIN, SCK, MSBFIRST, 0x02); // Display the number 2
  digitalWrite(DIN, LOW);
  digitalWrite(SCK, LOW);

  digitalWrite(DIN, HIGH);
  digitalWrite(SCK, HIGH);
  shiftOut(DIN, SCK, MSBFIRST, 0x03); // Display the number 3
  digitalWrite(DIN, LOW);
  digitalWrite(SCK, LOW);

  digitalWrite(DIN, HIGH);
  digitalWrite(SCK, HIGH);
  shiftOut(DIN, SCK, MSBFIRST, 0x04); // Display the number 4
  digitalWrite(DIN, LOW);
  digitalWrite(SCK, LOW);

  // Disable the MAX72044B+
  digitalWrite(CS, HIGH);
}

 

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2+ $208.5422 $417.0844
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