NXP 16-Channel I2C LED Controller, TSSOP-28
NXP 16-channel I2C LED controller in TSSOP-28. 12-bit PWM, 40Hz-1kHz, 2.3V-5.5V. Ideal for RGB/RGBA backlighting and LED displays.
The NXP 16-Channel I²C LED Controller is an advanced solution optimised for LCD RGBA colour backlighting applications. Designed in a TSSOP-28 package, this controller features 16 individual LED outputs, each equipped with a 12-bit resolution (4096 steps) fixed frequency PWM controller. This allows for precise brightness adjustment, with a programmable frequency ranging from 40Hz to 1000Hz and a duty cycle adjustable from 0% to 100%.
As part of the Fast-mode Plus (Fm+) family, this device supports higher frequencies up to 1MHz and facilitates more densely populated bus operations of up to 4000pF. It includes a 25MHz internal oscillator that requires no external components, alongside an internal power-on reset and a noise filter on SDA/SCL inputs for reliable performance.
Key Features
- 16-channel LED control with individual 12-bit PWM
- Programmable frequency from 40Hz to 1000Hz
- Adjustable duty cycle from 0% to 100%
- Fast-mode Plus (Fm+) supporting up to 1MHz
- 25MHz internal oscillator requires no external components
- 5.5V tolerant inputs with no output glitches on power-up
- Supports hot insertion with low standby current
- Edge rate control on outputs to help reduce EMI
- Wide operating voltage range of 2.3V to 5.5V
This controller is highly versatile and suitable for a wide range of applications, including RGB or RGBA LED drivers, LED status indicators, displays, and keypad backlights for portable devices.
- RGB or RGBA LED drivers
- LED status information
- LED displays
- LCD backlights
- Number of Channels: 16
- PWM Resolution: 12-bit (4096 steps)
- Programmable Frequency: 40Hz to 1000Hz
- Switching Frequency: Up to 1MHz
- Input Voltage Range: 2.3V to 5.5V
- Output Voltage Max: 5.5V
- Output Current Max: 25mA
- Internal Oscillator: 25MHz
- Mounting Type: Surface Mount
- Package / Case: TSSOP-28
- Number of Pins: 28
- Operating Temperature Range: -40°C to +85°C
- Weight: 0.175 grams
- Height: 43 mm
- Width: 33 mm
- Depth: 15 mm
- Switching Frequency Typ: 1MHz
- IC Mounting: Surface Mount
- IC Case / Package: TSSOP
- of Pins: 28Pins
- Operating Temperature Min: -40°C
- Operating Temperature Max: 85°C
- SVHC: No SVHC (27-Jun-2024)
- Driver Case Style: TSSOP
- of Outputs: 16Outputs
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