Overview
The PCA9550DP,118 is a 2-bit I²C-bus LED driver IC produced by NXP USA Inc. This component is designed to blink LEDs in I²C-bus and SMBus applications, helping to limit bus traffic or free up the I²C controller's resources. It is particularly useful in scenarios where the microcontroller or microprocessor needs to be relieved from managing LED blink patterns, thus optimizing system performance and efficiency.
Key Specifications
| Specification | Value |
|---|---|
| Package | 24-TSSOP (0.173", 4.40mm Width) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Voltage - Supply (Min) | 2.3V |
| Voltage - Supply (Max) | 5.5V |
| Current - Output / Channel | 25mA |
| Number of Outputs | 2 |
| Internal Switch(s) | Yes |
| Dimming | I²C |
| Frequency | 400kHz |
| Part Status | Active |
Key Features
- Programmable blink rates for LEDs, allowing for customized blink patterns without constant intervention from the I²C controller.
- Support for I²C-bus and SMBus protocols, ensuring compatibility with a wide range of microcontrollers and microprocessors.
- Low supply voltage range of 2.3V to 5.5V, making it suitable for various power-constrained applications.
- Surface mount package (24-TSSOP) for compact and efficient board design.
- Operating temperature range from -40°C to 85°C, suitable for use in harsh environments.
Applications
The PCA9550DP,118 is ideal for use in various applications where LED blink patterns need to be managed efficiently. These include:
- Automotive lighting systems where LEDs need to blink at specific rates.
- Industrial control panels that require visual indicators with customizable blink patterns.
- Consumer electronics such as appliances and gadgets that use LEDs for status indication.
- Medical devices that require precise and customizable LED indicators.
Q & A
- What is the primary function of the PCA9550DP,118? The PCA9550DP,118 is a 2-bit I²C-bus LED driver IC designed to blink LEDs in I²C-bus and SMBus applications, helping to limit bus traffic or free up the I²C controller's resources.
- What is the package type of the PCA9550DP,118? The PCA9550DP,118 comes in a 24-TSSOP (0.173", 4.40mm Width) package.
- What is the operating temperature range of the PCA9550DP,118? The operating temperature range is from -40°C to 85°C.
- What is the supply voltage range for the PCA9550DP,118? The supply voltage range is from 2.3V to 5.5V.
- How many output channels does the PCA9550DP,118 have? The PCA9550DP,118 has 2 output channels.
- What is the maximum current per output channel? The maximum current per output channel is 25mA.
- Does the PCA9550DP,118 support I²C and SMBus protocols? Yes, it supports both I²C-bus and SMBus protocols.
- What is the frequency of the I²C interface? The frequency of the I²C interface is 400kHz.
- Is the PCA9550DP,118 still in production? Yes, the PCA9550DP,118 is currently active and not scheduled for obsolescence.
- What are some typical applications for the PCA9550DP,118? Typical applications include automotive lighting, industrial control panels, consumer electronics, and medical devices.
