This document provides an overview of the STMicroelectronics LED array drivers product portfolio and their main features, including brightness adjustment, current accuracy, diagnostic capability and low power consumption.
The document serves as a comprehensive guide to STMicroelectronics' range of LED array drivers designed for applications such as displays, information panels, automotive lighting, and architectural lighting. It details the specific features available across different product families, including brightness adjustment via PWM dimming, high current accuracy, diagnostic capabilities for faulty LEDs, and low power consumption options.
The text focuses on guidelines to facilitate the use of these products in final applications, offering particular application ideas and technical details. It covers four main driver categories: 4-bit (STP04CM05), 8-bit (STPO8xP05), 16-bit (STP16xPy05), and 24-bit (STP24DP05) drivers, describing their main features, applications, block diagrams, serial data sending methods, current setting procedures, error detection mechanisms, and power-saving techniques.
| Output channels (STP04CM05) | Four constant current output channels |
|---|---|
| Adjustable output current range | 80 mA to 400 mA |
| Current generator rated voltage (STP04CM05) | 20 V |
| Supply voltage range (STP04CM05) | 3.3 V to 5.5 V |
They are suitable for displays, information and advertising panels, signs, traffic signals, automotive lighting, and architectural lighting.
Relevant features include brightness adjustment through PWM dimming, very high current accuracy, diagnostic capability to detect faulty LEDs, and low power consumption.