The PCA9551 is an 8-bit LED driver featuring programmable blinking rates via I2C-bus, capable of controlling up to 8 LEDs or used as GPIO expanders. It offers two configurable blink frequencies between 0.148 Hz and 38 Hz, with internal oscillator and no external components required. Supports hot insertion, low standby current, and operates within 2.3 V to 5.5 V. Multiple packages available, including SO16, TSSOP16, and HVQFN16. Ideal for industrial LED signaling, status indicators, and control applications requiring efficient, synchronized LED blinking with minimal bus traffic.
NXP PCA9551BS118 LED Driver Module Specifications:
Operating Voltage: 2.3 V to 5.5 V
Maximum Sink Current: 25 mA per output, 100 mA per device
Blink Rates: 0.148 Hz to 38 Hz, programmable with internal prescalers
Number of Outputs: 8 open-drain LED drivers or GPIOs
Package Types: SO16, TSSOP16, HVQFN16
Clock Frequency: 0 Hz to 400 kHz
Reset: Power-On Reset and active LOW external reset
I2C-bus Compatibility: SMBus compatible, 0.1 to 400 kHz
ESD Protection: >2000 V HBM
Temperature Range: -40°C to +85°C
Package Dimensions: SO16 (3.9 mm), TSSOP16 (4.4 mm), HVQFN16 (4 x 4 x 0.85 mm)
Buy the NXP PCA9551 – Reliable LED Driver for Industrial Applications
Discover the PCA9551 8-bit LED driver with programmable blink rates, perfect for industrial signaling and display applications. Its internal oscillator and multiple package options enable efficient, synchronized LED control with minimal bus traffic. Supports adjustable blink frequencies from 0.148 Hz to 38 Hz, operates at 2.3 to 5.5 V, and includes internal reset features for reliable operation. Ideal for status indicators, warning lights, and control systems requiring low power consumption, high flexibility, and robust performance.
Buy NXP PCA9551 now and experience unmatched reliability and performance in LED control and blink rate programmability in your industrial projects.
Frequently Asked Questions
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You can click on the BUY or RFQ button to purchase PCA9551BS118 from an authorized NXP distributor.
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