Dual High-Side Switches with Extended Diagnostics and Smart Driving for Capacitive Loads

Published  February 8, 2022   0
L Lakshita
Author
IPS2050H Dual Channel High-Side Switches

STMicroelectronics has introduced the new dual-channel high-side switches IPS2050H and IPS2050H-32 that have an input voltage from 8V to 60V and can withstand a voltage of up to 65V on the input pin, ensuring robust performance and flexibility in industrial applications. These switches permit two programmable current-limit values for smart driving of capacitive loads that draw high startup currents. Moreover, low RDS-ON (≤ 50 mΩ up to TJ = 125 °C) make these ICs suitable for applications with up to 2.4A / 5.6A steady state operating current.

The IPS2050H allows the main current limit to be programmed up to 2.5A for driving loads controlled by a PLC module and for use in equipment such as factory automation I/O peripherals, Computer Numerical Control (CNC) machines, and general driving of resistive, inductive, and capacitive loads. 

The IPS2050H-32 has a higher maximum current limit of 5.7A for use with unidirectional motors in equipment such as vending machines. The current activation threshold and limit values are configurable using external resistors. An external capacitor sets the duration of the startup current limit for smart driving of capacitive loads.

Key Features

  • Fast demagnetization of inductive loads
  • Per-channel overload and over-temperature protection
  • Case over-temperature protection
  • Per channel overload/over-temperature event diagnostic pins
  • Ground disconnection protection
  • Designed to meet IEC 61000-4-2, IEC 61000-4-4, IEC 61000-4-5
  • Package PowerSSO-24

In addition, extensive built-in protection features and diagnostics enhance safety and reliability, including Under-Voltage Lock-Out (UVLO) and protection against overvoltage, overload, short-circuit, ground disconnection, and Vcc disconnection. The IPS2050H and the IPS2050H-32 ICs are housed in the compact and space-efficient PowerSSO-24 package and are now available from $3.19 for orders of 1000 pieces.