The NXP PCA9622DR,118 is a high-performance 16‑channel (16‑bit), FM+ I²C-bus‑controlled LED driver engineered for professional lighting applications. Built in a compact TSSOP-32 SMD package, it supports a wide 2.3 V to 5.5 V supply voltage and delivers robust open-drain outputs capable of sinking up to 100 mA per channel, with a voltage tolerance of up to 40 V, ideal for backlighting, RGB(A) arrays, and industrial LED signage.
Critical Features and Benefits of the Product
- Individual & Group PWM: Each LED output features an individual 8-bit PWM (~97 kHz) for precise brightness control. A group PWM (190 Hz, adjustable rate) enables unified dimming or blinking across all channels for simplified control.
- Fast-Mode Plus (Fm+) I²C Interface: Supports up to 1 MHz I²C with high-drive SDA for compatibility with capacitive bus loads, enabling rapid multi-device communication.
- Advanced Addressing & Controls: Hardware address pins (up to seven) support up to 126 devices on a single bus. Includes group/sub‑call addressing, Output Enable (OE) pin for hardware blinking/dimming, and Software Reset (SWRST) for remote initialization.
- Hot‑Insertion & Reliability: SDA/SCL inputs incorporate noise filtering and glitch suppression. The device supports hot plugging, along with ESD robustness and thermal safeguarding.