Overview
The PCA9626BS,518 is a 24-bit I2C-bus controlled LED driver manufactured by NXP USA Inc. This device is optimized for voltage switch dimming and blinking of Red/Green/Blue/Amber (RGBA) LEDs. It features individual and group PWM controllers, allowing for precise brightness control and various dimming and blinking patterns. The PCA9626BS,518 operates within a supply voltage range of 2.3 V to 5.5 V and supports output voltages up to 40 V, making it suitable for a variety of LED lighting applications.
Key Specifications
| Category | Value |
|---|---|
| Manufacturer | NXP USA Inc. |
| Package / Case | 48-VFQFN Exposed Pad |
| Number of Outputs | 24 |
| Internal Switch(s) | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Voltage - Supply (Min) | 2.3V |
| Voltage - Supply (Max) | 5.5V |
| Voltage - Output | 40V |
| Current - Output / Channel | 100mA |
| Dimming | PWM |
| Frequency | 100kHz ~ 1MHz |
| Mounting Type | Surface Mount |
| Part Status | Obsolete |
Key Features
- Individual and group PWM controllers with 8-bit resolution (256 steps) for precise brightness control.
- Fixed frequency of 97 kHz for individual PWM and 190 Hz for group PWM, with adjustable frequencies.
- Active LOW Output Enable (OE) input pin for hardware blinking and dimming.
- Seven hardware address pins allowing up to 126 devices on the same I2C-bus.
- Four software programmable I2C-bus addresses for addressing groups of devices.
- Software Reset (SWRST) feature through the I2C-bus.
- Internal 25 MHz oscillator requiring no external components.
- No glitch on power-up and supports hot insertion.
- ESD protection exceeds 2000 V HBM and 1000 V CDM.
Applications
The PCA9626BS,518 is primarily used in backlight applications, including but not limited to:
- LED backlighting in displays and monitors.
- Automotive lighting systems.
- General lighting applications requiring dimming and blinking control.
Q & A
- What is the PCA9626BS,518?
The PCA9626BS,518 is a 24-bit I2C-bus controlled LED driver optimized for voltage switch dimming and blinking of RGBA LEDs. - Who is the manufacturer of the PCA9626BS,518?
The manufacturer is NXP USA Inc. - What is the package type of the PCA9626BS,518?
The package type is 48-VFQFN Exposed Pad. - How many outputs does the PCA9626BS,518 have?
The device has 24 outputs. - What is the operating temperature range of the PCA9626BS,518?
The operating temperature range is -40°C to 85°C (TA). - What is the maximum output voltage of the PCA9626BS,518?
The maximum output voltage is 40V. - What is the current output per channel of the PCA9626BS,518?
The current output per channel is 100mA. - What dimming method does the PCA9626BS,518 use?
The device uses PWM (Pulse Width Modulation) for dimming. - Is the PCA9626BS,518 RoHS compliant?
Yes, the PCA9626BS,518 is RoHS compliant. - What is the status of the PCA9626BS,518 part?
The part is obsolete. - How many devices can be connected to the same I2C-bus?
Up to 126 devices can be connected to the same I2C-bus.
