Highway09a Ic Datasheet Jun 2026

The MAX09A is a low-power, highly integrated IC that implements the physical layer of the HART communication protocol. It is designed to be used in smart transmitters, sensors, and actuators.

This brief overview covers some of the key points from the MAX09A datasheet. If you need more detailed information or specific parameter values, I recommend consulting the official datasheet from Maxim Integrated.

The chip acts as a control and signal management hub. Its primary roles include: PWM Management highway09a ic datasheet

Standard sinking/sourcing capacities average roughly 4.2mA per channel under 5V conditions, scaling up depending on driver configuration. Propagation Delay ( tPDt sub cap P cap D end-sub

Write 0x00 to LED Mode 0 to enable PWM, then set fade-in/out registers (0x20–0x2F). The hardware automates the breath waveform. The MAX09A is a low-power, highly integrated IC

The Highway09A can be sourced from several electronic component distributors. Key considerations when purchasing replacement parts:

Because it can serve as a drop-in logic gate tracker matching parameters of standard 74HC series ICs, the HIGHWAY09A is heavily favored by electronic repair technicians. It helps restore unstable signal pathways inside vintage synthesizers, radio modules, and pre-Y2K studio equipment. Automotive Control Units If you need more detailed information or specific

| Parameter | Value | |-----------|-------| | Supply voltage | 2.4V – 5.5V | | I²C address | 0x58 (default, configurable) | | I/O channels | 16 (P00–P07, P10–P17) | | Interrupt output | Yes (active low, open-drain) | | Output type | Push-pull or open-drain | | LED modes | Constant current sink (up to 25mA per channel) | | Special effects | 256-step PWM dimming, breath effect |