: On/off control and soft-start functionality to prevent power spikes.
: Designed to operate within standard industrial temperature ranges (often -20°C to +85°C) to ensure safety during high-heat induction cycles. Protection Systems
The PDIP16 package is space-efficient, making it ideal for compact printed circuit boards (PCBs).
Hardware shutdown pin; driving this pin low or high (depending on active-high/low masking) toggles sleep modes to save system energy. highway09a ic datasheet
A clear understanding of the pinout is crucial for PCB design or troubleshooting. The following table combines pin assignments from reverse-engineered schematics with typical static voltage measurements for diagnostic purposes. Note: Diagram is a typical layout approximation.
The HIGHWAY09A IC offers several features tailored for motor driving and protection:
External resistor-capacitor (RC) network link to set operational frequency. : On/off control and soft-start functionality to prevent
System management, sensor inputs, and user-interface lines (e.g., control panel registers).
The operational limits and performance boundaries of the chip ensure reliable performance under high-temperature, high-stress conditions like resonant home appliances and industrial signal chains. Specification / Threshold Value Standard DIP-16 (Dual In-line Package, 16 Pins) Input Supply Voltage ( VCCcap V sub cap C cap C end-sub VINcap V sub cap I cap N end-sub )
It serves various applications, from motor control to signal processing. Hardware shutdown pin; driving this pin low or
Features a very low quiescent current of approximately 10µA , optimizing energy consumption for low-power standby modes.
Enables or disables the core IC switching logic via microcontroller or system logic commands.
Internal processing node used to dynamically evaluate load changes during the induction cycle. Pin 4 (
Monitors the input rail; shuts down operations if voltages cross thresholds. Pin 8 (GND): Main system ground reference point.
With dedicated hardwired pins for overcurrent protection (OCP) and overvoltage monitoring, the component operates safely in harsh environments that struggle with frequent power grid surges. Troubleshooting and Circuit Diagnostics