Overview
The PCA9553D/01,112, produced by NXP USA Inc., is a 4-bit I2C-bus LED driver with programmable blink rates. This component is designed for applications where LED control and minimal bus traffic are crucial. It features four LED drivers that can be set to on, off, or flashing at programmable rates, making it versatile for various lighting control needs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VDD Supply Voltage | 2.3 to 5.5 | V |
| Output Current per Channel | 25 | mA |
| Total Power Dissipation | 400 | mW |
| Ambient Temperature Range | -40 to 85 | °C |
| Storage Temperature Range | -65 to 150 | °C |
| I2C-Bus Clock Frequency | 0 Hz to 400 kHz | |
| Package Type | SO8, TSSOP8 (MSOP8), HVSON8 | |
| Number of Outputs | 4 |
Key Features
- 4-bit I2C-bus LED driver with programmable blink rates (frequency and duty cycle) between 0.172 Hz and 44 Hz.
- Input/outputs not used as LED drivers can be used as regular GPIOs.
- Internal oscillator requires no external components.
- I2C-bus interface logic compatible with SMBus.
- Internal power-on reset (POR) initializes registers to default state.
- Noise filter on SCL/SDA inputs.
- 4 open-drain outputs directly drive LEDs to 25 mA.
- Controlled edge rates to minimize ground bounce.
- No glitch on power-up.
- Supports hot insertion.
- Low standby current.
- ESD protection exceeds 2000 V HBM, 150 V MM, and 1000 V CDM.
Applications
The PCA9553D/01,112 is suitable for various applications where LED control and minimal bus traffic are essential. These include:
- Automotive lighting systems.
- Industrial control panels.
- Consumer electronics with LED indicators.
- Medical devices requiring precise LED control.
- Any system needing programmable LED blink rates and low bus traffic.
Q & A
- What is the PCA9553D/01,112 used for?
The PCA9553D/01,112 is a 4-bit I2C-bus LED driver used for controlling LEDs with programmable blink rates in various applications.
- What is the operating voltage range of the PCA9553D/01,112?
The operating voltage range is from 2.3 V to 5.5 V.
- How many LED drivers does the PCA9553D/01,112 have?
The component has 4 LED drivers.
- What is the maximum output current per channel?
The maximum output current per channel is 25 mA.
- Is the PCA9553D/01,112 compatible with SMBus?
- Does the PCA9553D/01,112 have internal power-on reset?
- What are the package options for the PCA9553D/01,112?
The component is available in SO8, TSSOP8 (MSOP8), and HVSON8 packages.
- Can unused LED driver pins be used as GPIOs?
- Does the PCA9553D/01,112 support hot insertion?
- What is the ESD protection level of the PCA9553D/01,112?
The ESD protection exceeds 2000 V HBM, 150 V MM, and 1000 V CDM.
