Overview
The PCA9553DP/01,118 is a 4-bit I²C-bus LED driver produced by NXP USA Inc. This component is designed to manage LED blinking in various applications, particularly where it is necessary to limit bus traffic or free up the I²C-bus controller's resources. The PCA9553DP/01,118 is part of the PCA9553 series, which offers programmable blink rates, making it versatile for different use cases.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | 8-TSSOP (Thin Shrink Small Outline Package) |
| Number of Leads | 8 |
| Pitch | 0.65 mm |
| Body Dimensions | 4.4 mm x 3.1 mm x 0.9 mm |
| Current per Channel | 25 mA |
| Interface | I²C-bus and SMBus compatible |
| Operating Temperature Range | -40°C to +85°C |
| Voltage Range | 2.3 V to 5.5 V |
Key Features
- Programmable blink rates for LEDs, allowing for customized blinking patterns.
- 4-bit LED driver, capable of controlling up to four LEDs independently.
- I²C-bus and SMBus compatibility, ensuring seamless integration with various microcontrollers and bus systems.
- Low power consumption, making it suitable for battery-powered devices.
- Automated blinking, which reduces the need for continuous software intervention, thus freeing up the microcontroller for other tasks.
Applications
The PCA9553DP/01,118 is suitable for a variety of applications where LED indication and blinking are required. These include:
- Industrial control systems where status indicators are necessary.
- Consumer electronics such as TVs, audio equipment, and appliances.
- Automotive systems for dashboard indicators and warning lights.
- Medical devices requiring visual status indicators.
- General-purpose LED lighting and indication in embedded systems.
Q & A
- What is the primary function of the PCA9553DP/01,118?
The primary function is to drive LEDs with programmable blink rates in I²C-bus and SMBus applications. - What package type is the PCA9553DP/01,118 available in?
The component is available in an 8-TSSOP package. - How many LEDs can the PCA9553DP/01,118 control?
It can control up to four LEDs independently. - What is the current capacity per channel of the PCA9553DP/01,118?
Each channel can handle up to 25 mA of current. - Is the PCA9553DP/01,118 compatible with SMBus?
Yes, it is compatible with both I²C-bus and SMBus. - What is the operating temperature range of the PCA9553DP/01,118?
The operating temperature range is -40°C to +85°C. - Can the PCA9553DP/01,118 be used in battery-powered devices?
Yes, it is suitable for battery-powered devices due to its low power consumption. - How does the PCA9553DP/01,118 reduce microcontroller workload?
It automates the blinking of LEDs, reducing the need for continuous software intervention. - What are some common applications of the PCA9553DP/01,118?
Common applications include industrial control systems, consumer electronics, automotive systems, medical devices, and general-purpose LED lighting in embedded systems. - What is the voltage range of the PCA9553DP/01,118?
The voltage range is from 2.3 V to 5.5 V.
