STP16CPC26XTR

Product Overview

Category

STP16CPC26XTR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for driving LED displays and lighting applications.

Characteristics

• Package: This IC comes in a small outline package (SOP) with 24 pins.
• Essence: STP16CPC26XTR is designed to provide efficient and precise control of LED displays.
• Packaging/Quantity: It is typically available in reels, with a quantity of 2500 units per reel.

Specifications

The specifications of STP16CPC26XTR include:

• Supply Voltage: 3.3V to 5.5V
• Maximum Output Current: 120mA per channel
• Number of Channels: 16
• Communication Interface: Serial Peripheral Interface (SPI)
• Operating Temperature Range: -40°C to +85°C
• Dimming Control: 8-bit PWM control per channel
• LED Display Compatibility: Common cathode or common anode

Detailed Pin Configuration

The pin configuration of STP16CPC26XTR is as follows:

1. VDD: Power supply voltage
2. GND: Ground
3. DIN: Serial data input
4. CLK: Clock input
5. LE: Latch enable input
6. OE: Output enable input 7-22. OUT0-OUT15: LED output channels
7. NC: No connection
8. VLED: LED power supply voltage

Functional Features

The functional features of STP16CPC26XTR are as follows:

• High-Speed Data Transfer: The SPI interface allows fast and reliable communication with external microcontrollers.
• Precise Dimming Control: The 8-bit PWM control per channel enables accurate brightness adjustment of LED displays.
• Daisy-Chain Capability: Multiple STP16CPC26XTR ICs can be connected in a daisy-chain configuration, simplifying the control of large LED display arrays.
• Thermal Shutdown Protection: The IC includes built-in thermal shutdown protection to prevent damage due to excessive heat.

Advantages and Disadvantages

Advantages

• Efficient LED Control: STP16CPC26XTR provides efficient control of LED displays, resulting in energy savings.
• Compact Package: The small outline package (SOP) allows for space-saving integration into various applications.
• Easy Integration: The SPI interface and daisy-chain capability simplify the integration of this IC into existing systems.

Disadvantages

• Limited Output Current: The maximum output current per channel is 120mA, which may not be sufficient for high-power LED applications.
• Temperature Limitations: The operating temperature range of -40°C to +85°C may restrict its use in extreme temperature environments.

Working Principles

STP16CPC26XTR operates by receiving serial data through the DIN pin, which is then clocked in using the CLK input. The received data is latched and transferred to the output channels upon receiving a latch enable signal (LE). The output enable (OE) pin controls the activation of the LED outputs. By utilizing the PWM control, the IC adjusts the duty cycle of the LED outputs, enabling precise dimming control.

Detailed Application Field Plans

STP16CPC26XTR finds application in various fields, including:

1. LED Display Panels: It is commonly used to drive LED display panels in advertising boards, scoreboards, and information displays.
2. Automotive Lighting: This IC can be employed in automotive lighting systems, such as dashboard indicators and interior lighting.
3. Decorative Lighting: STP16CPC26XTR is suitable for controlling LED strips, decorative lighting fixtures, and architectural lighting.

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to STP16CPC26XTR are:

1. TLC5940: This IC offers 16 channels with a higher maximum output current of 120mA per channel.
2. MAX7219: It provides control for up to 64 individual LEDs or 8-digit 7-segment displays.
3. HT16K33: This IC supports up to 128 LEDs and includes features like key scanning and LED blinking.

Note: The above-mentioned alternative models may have different pin configurations and specifications, so careful consideration should be given to compatibility and specific requirements before selecting an alternative.

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