STP08DP05B1

Product Overview

Category

STP08DP05B1 belongs to the category of integrated circuits (ICs).

Use

It is primarily used for driving LED displays.

Characteristics

• High current capability
• Low voltage operation
• Serial input/output
• Daisy-chainable
• Constant current output

Package

STP08DP05B1 is available in a DIP (Dual In-line Package) or SO (Small Outline) package.

Essence

The essence of STP08DP05B1 lies in its ability to efficiently drive LED displays by providing constant current output.

Packaging/Quantity

STP08DP05B1 is typically packaged in reels or tubes, with a quantity of 250 or 1000 units per reel/tube.

Specifications

• Supply Voltage: 3.3V - 5.5V
• Output Current: Up to 100mA per channel
• Number of Channels: 8
• Serial Interface: SPI (Serial Peripheral Interface)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. VDD: Power supply voltage
2. GND: Ground reference
3. DIN: Serial data input
4. CLK: Serial clock input
5. LE: Latch enable input
6. OE: Output enable input
7. OUT0: Channel 0 output
8. OUT1: Channel 1 output
9. OUT2: Channel 2 output
10. OUT3: Channel 3 output
11. OUT4: Channel 4 output
12. OUT5: Channel 5 output
13. OUT6: Channel 6 output
14. OUT7: Channel 7 output

Functional Features

• High-speed serial interface for easy control
• Daisy-chainable for cascading multiple devices
• Constant current output ensures uniform brightness of LED displays
• Wide operating voltage range for flexibility in various applications

Advantages and Disadvantages

Advantages

• High current capability allows driving of multiple LEDs per channel
• Serial interface simplifies control and reduces wiring complexity
• Daisy-chainability enables easy scalability for larger display setups
• Constant current output ensures consistent brightness across LEDs

Disadvantages

• Limited number of channels (8) may not be sufficient for complex displays requiring more channels
• Requires an external microcontroller or host device for serial communication

Working Principles

STP08DP05B1 operates by receiving serial data and clock signals from a microcontroller or host device. The received data is latched and then used to control the output current of each channel. This constant current output is then used to drive the connected LED display, ensuring uniform brightness.

Detailed Application Field Plans

STP08DP05B1 finds applications in various fields, including: - LED matrix displays - Seven-segment displays - Dot-matrix displays - Scoreboards - Advertising displays - Industrial control panels

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to STP08DP05B1 are: - MAX7219 - TLC5940 - HT16K33 - IS31FL3731 - AS1130

These models offer similar functionality and can be used as replacements depending on specific requirements.

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