Overview
The PCA9530DP,118 is a 2-bit I²C-bus and SMBus I/O expander and LED driver IC produced by NXP USA Inc. This component is optimized for dimming LEDs in 256 discrete steps, making it suitable for Red/Green/Blue (RGB) color mixing and backlight applications. It features an internal oscillator and supports two programmable blink rates and duty cycles, allowing for precise control over LED brightness and blinking patterns.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | NXP USA Inc. | |
| Package | 8-TSSOP, 8-MSOP (0.118" | 3.00mm Width) | |
| Supply Voltage | 2.3 V to 5.5 V | V |
| Output Current per Channel | 25 mA | mA |
| Number of Outputs | 2 | |
| Dimming Interface | I²C, SMBus | |
| Clock Frequency | 0 Hz to 400 kHz | Hz |
| Operating Temperature | -40°C to +85°C | °C |
| Blink Rates | 0.591 Hz to 152 Hz | Hz |
| Brightness Steps | 256 |
Key Features
- Two programmable blink rates and duty cycles for LED control.
- 256 discrete brightness steps for precise LED dimming.
- Internal oscillator requires no external components.
- I²C-bus interface logic compatible with SMBus.
- Active LOW hardware reset pin (RESET) and Power-On Reset (POR).
- Two open-drain outputs directly drive LEDs up to 25 mA.
- No glitch on power-up and supports hot insertion.
- Low standby current and ESD protection exceeds 2000 V HBM.
- Edge rate control on outputs and noise filter on SCL/SDA inputs.
Applications
The PCA9530DP,118 is designed for industrial and consumer electronics applications, particularly in LED backlighting and RGB color mixing. It is suitable for use in devices requiring precise LED dimming control, such as:
- Displays and lighting systems.
- Decorative lighting.
- Other applications requiring dimmable LEDs.
Q & A
- What is the PCA9530DP,118 used for?
The PCA9530DP,118 is used for dimming LEDs in 256 discrete steps, suitable for RGB color mixing and backlight applications.
- What is the supply voltage range of the PCA9530DP,118?
The supply voltage range is from 2.3 V to 5.5 V.
- How many output channels does the PCA9530DP,118 have?
The PCA9530DP,118 has 2 output channels.
- What is the maximum output current per channel?
The maximum output current per channel is 25 mA.
- What communication interfaces does the PCA9530DP,118 support?
The PCA9530DP,118 supports I²C and SMBus interfaces.
- What is the operating temperature range of the PCA9530DP,118?
The operating temperature range is from -40°C to +85°C.
- Does the PCA9530DP,118 have internal oscillators?
Yes, the PCA9530DP,118 includes an internal oscillator.
- What are the programmable blink rates of the PCA9530DP,118?
The PCA9530DP,118 has two programmable blink rates between 0.591 Hz and 152 Hz.
- Is the PCA9530DP,118 RoHS compliant?
Yes, the PCA9530DP,118 is RoHS3 compliant.
- What package types are available for the PCA9530DP,118?
The PCA9530DP,118 is available in 8-TSSOP and 8-MSOP packages.
