Overview
The PCA9530D,118 is a 2-channel linear LED driver IC produced by NXP USA Inc. This component is designed to provide precise dimming control of LEDs through an I2C and SMBus interface. It is particularly optimized for backlight applications and RGB color mixing, offering 256 discrete brightness steps. The device features an internal oscillator and supports programmable blink rates and duty cycles, making it versatile for various lighting control needs.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer Part Number | PCA9530D,118 |
| Manufacturer | NXP USA Inc. |
| Description | IC LED DRIVER LIN DIM 25MA 8SO |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Supply Voltage Range | 2.3V to 5.5V |
| Number of Outputs | 2 |
| Output Current per Channel | 25mA |
| Switching Frequency | 400kHz |
| Dimming Interface | I²C, SMBus |
| Operating Temperature Range | -40°C to 85°C |
| Mounting Type | Surface Mount |
| Internal Switch(es) | Yes |
Key Features
- Precise dimming control of LEDs with 256 discrete brightness steps.
- I²C and SMBus compatible interface for easy integration and dimming control.
- Internal oscillator with two user-programmable blink rates and duty cycles.
- Two independent constant-current LED driver channels, each configurable up to 25mA.
- 400kHz switching frequency.
- Wide operating temperature range of -40°C to 85°C.
- Compact and space-saving 8-SOIC package.
- Active LOW hardware reset pin and Power-On Reset (POR) for initialization.
- Supports hot insertion and has low standby current.
- ESD protection exceeds 2000 V HBM per JESD22-A114, 150 V MM per JESD22-A115, and 1000 V CDM per JESD22-C101.
Applications
- Backlight applications in various devices.
- RGB color mixing for display and lighting systems.
- General LED dimming control in automotive, consumer electronics, and industrial lighting.
- Other applications requiring precise and programmable LED brightness control.
Q & A
- What is the PCA9530D,118 used for?
The PCA9530D,118 is used for precise dimming control of LEDs, particularly in backlight and RGB color mixing applications.
- What interface does the PCA9530D,118 use for dimming control?
The PCA9530D,118 uses an I²C and SMBus interface for dimming control.
- How many brightness steps does the PCA9530D,118 support?
The PCA9530D,118 supports 256 discrete brightness steps.
- What is the output current per channel of the PCA9530D,118?
The output current per channel is up to 25mA.
- What is the switching frequency of the PCA9530D,118?
The switching frequency is 400kHz.
- What is the operating temperature range of the PCA9530D,118?
The operating temperature range is -40°C to 85°C.
- Does the PCA9530D,118 have internal switches?
- What type of package does the PCA9530D,118 come in?
The PCA9530D,118 comes in an 8-SOIC package.
- Is the PCA9530D,118 RoHS compliant?
- What is the purpose of the internal oscillator in the PCA9530D,118?
The internal oscillator allows for programmable blink rates and duty cycles without requiring external components.
