STP24DP05BTR

Product Overview

Category

STP24DP05BTR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for driving LED displays.

Characteristics

• High integration: The STP24DP05BTR integrates all necessary functions for LED display driving, reducing the need for external components.
• Low power consumption: This IC is designed to operate with low power consumption, making it suitable for battery-powered devices.
• Wide operating voltage range: It can operate within a wide voltage range, providing flexibility in various applications.
• High current capability: The STP24DP05BTR can handle high currents, allowing it to drive multiple LEDs simultaneously.

Package

The STP24DP05BTR is available in a small outline package (SOP) with 24 pins.

Essence

The essence of this product lies in its ability to efficiently drive LED displays by controlling the current flowing through each LED segment.

Packaging/Quantity

The STP24DP05BTR is typically packaged in reels and is available in quantities suitable for both prototyping and mass production.

Specifications

• Supply voltage range: 2.7V to 5.5V
• Maximum output current per channel: 80mA
• Number of channels: 24
• Communication interface: Serial Peripheral Interface (SPI)
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

The STP24DP05BTR has a total of 24 pins, which are assigned specific functions as follows:

1. VDD: Power supply voltage input
2. GND: Ground reference
3. DIN: Serial data input
4. CLK: Clock input for SPI communication
5. LE: Latch enable input
6. OE: Output enable input 7-30. OUT0-OUT23: LED segment outputs
7. VLED: LED supply voltage
8. GND: Ground reference

Functional Features

• LED current control: The STP24DP05BTR allows precise control of the current flowing through each LED segment, ensuring consistent brightness.
• Multiplexing capability: It supports multiplexing, enabling the display of multiple digits or characters using fewer pins.
• Error detection: This IC includes built-in error detection mechanisms to ensure reliable operation and prevent malfunctioning displays.
• Daisy-chainable: Multiple STP24DP05BTR ICs can be daisy-chained together to drive larger LED displays.

Advantages and Disadvantages

Advantages

• High integration reduces external component count and simplifies circuit design.
• Low power consumption makes it suitable for battery-powered devices.
• Wide operating voltage range provides flexibility in various applications.
• High current capability enables driving of multiple LEDs simultaneously.
• Built-in error detection ensures reliable operation.

Disadvantages

• Limited maximum output current per channel may restrict use in high-power applications.
• Requires additional components (such as resistors) for proper LED current control.

Working Principles

The STP24DP05BTR operates by receiving serial data and clock signals through the SPI interface. It then processes this data to control the current flowing through each LED segment. By adjusting the current levels, the IC can achieve the desired brightness for each LED.

Detailed Application Field Plans

The STP24DP05BTR is commonly used in various applications, including: - LED matrix displays - Seven-segment displays - Dot-matrix displays - Numeric displays - Alphanumeric displays

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the STP24DP05BTR include: - MAX7219 - TLC5940 - HT16K33 - AS1115 - LP5012

These alternative models can be considered based on specific application requirements and availability.

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