STP16CPP05XTTR

Product Overview

Category: Integrated Circuit (IC)

Use: LED Driver

Characteristics: - High voltage capability - Constant current output - Serial interface control - Low power consumption - Compact size

Package: TSSOP-24

Essence: The STP16CPP05XTTR is an integrated circuit designed for driving LEDs. It provides a constant current output and can be controlled through a serial interface. With its high voltage capability, low power consumption, and compact size, it is suitable for various LED lighting applications.

Packaging/Quantity: The STP16CPP05XTTR is available in a TSSOP-24 package. Each package contains one IC.

Specifications

• Supply Voltage: 3V to 5.5V
• Output Current: Up to 100mA per channel
• Number of Channels: 16
• Serial Interface: I2C-compatible
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The STP16CPP05XTTR has a total of 24 pins, which are arranged as follows:

1. VDD: Power supply voltage
2. GND: Ground
3. SDA: Serial data input
4. SCL: Serial clock input 5-20. OUT0-OUT15: LED output channels
5. REXT: External resistor connection for setting the output current
6. NC: No connection
7. NC: No connection
8. NC: No connection

Functional Features

• Constant current output: Ensures consistent brightness across all connected LEDs.
• Serial interface control: Allows easy integration with microcontrollers and other digital devices.
• High voltage capability: Can drive LEDs with higher forward voltages.
• Low power consumption: Energy-efficient operation.
• Thermal shutdown protection: Prevents damage due to excessive heat.

Advantages and Disadvantages

Advantages: - High voltage capability enables driving a wide range of LEDs. - Compact size allows for space-saving designs. - Serial interface control provides flexibility in system integration. - Constant current output ensures uniform brightness.

Disadvantages: - Limited output current per channel (up to 100mA). - Requires an external resistor for setting the output current.

Working Principles

The STP16CPP05XTTR operates by receiving control signals through the serial interface (SDA and SCL) from a microcontroller or other digital device. These control signals determine the desired LED brightness levels. The IC then generates the necessary constant current outputs to drive the connected LEDs. The output current can be set using an external resistor connected to the REXT pin.

Detailed Application Field Plans

The STP16CPP05XTTR is suitable for various LED lighting applications, including: - Indoor and outdoor signage - Automotive lighting - Backlighting for LCD displays - Architectural lighting - Decorative lighting

Detailed and Complete Alternative Models

1. STP16CP05: Similar to STP16CPP05XTTR but without thermal shutdown protection.
2. STP16CPS05: Similar to STP16CPP05XTTR but with a different package (SSOP-24).

These alternative models offer similar functionality and can be considered as substitutes depending on specific requirements.

In conclusion, the STP16CPP05XTTR is a versatile LED driver IC that offers high voltage capability, constant current output, and serial interface control. Its compact size and low power consumption make it suitable for various LED lighting applications. While it has some limitations, such as limited output current per channel and the need for an external resistor, its advantages outweigh these disadvantages. With its working principles and detailed application field plans, it provides a reliable solution for driving LEDs in different scenarios.