SAN FRANCISCO AMI Semiconductor Inc. has expanded its family of high-side driver application specific standard products (ASSPs) with a product designed specifically for the control of LEDs, relays, solenoids, transistor gates, valves and other loads in industrial systems, the company said Monday (Dec. 4).
According to AMI (Pocatello, Idaho), the new AMIS-39101 is qualified for operation up to 28 volts and ideally suited to designs with nominal system supply voltages of 24 volts. The device integrates into a single SO28 package eight high-side (HS) output drivers and a range of functions and features designed to significantly reduce component count and cost, the company said. Built-in functionality includes a serial-to-parallel interface (SPI) for direct connection to a microcontroller, an integrated diagnostic circuit and short circuit and thermal overload protection, according to AMI.
Each of the HS drivers will drive a continuous current of 275mA when connected to an inductive load of 300mH, according to AMI. Higher individual output currents are possible by limiting device current to the total maximum, the company said.
The AMIS-39101 ASSP incorporates a power down mode to reduce power consumption during non-active periods and uses an integrated slope control function that ensures low electromagnetic emission, AMI said. Operating temperature is rated at -40°C to 80°C, according to the company.
"The new device represents a highly integrated and compact alternative to discrete solutions when it comes to driving common industrial loads ranging from LEDs to relays, valves and solenoids," said Tony Denayer, AMI senior vice president of high voltage communications and ASSPs. "The AMIS-39101 allows engineers to source a single device for driving multiple loads in environments with supply voltages of up to 24V."
The AMIS-39101 is available now at a cost of $2.07 per unit in 1,000-unit quantities, AMI said.