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Infineon

 

Infineon’s NovalithIC™ IFX007T is a half-bridge with integrated driver IC for use in industrial, consumer and other types of brushed and brushless motor drives. It provides a cost- and space-optimized solution for high-current PWM motor drives while offering comprehensive protection against system faults.

The IFX007T contains one P-channel high-side MOSFET, one N-channel low-side MOSFET and a driver IC integrated in a single package. The use of a P-channel high-side switch eliminates the need for a charge pump, thus keeping EMI to low levels. The IFX007T also integrates various monitoring and protection features, reducing the need for external passive components. These include:

  • Diagnosis with current sense
  • Slew-rate adjustment for optimized EMI
  • Dead-time generation
  • Over-temperature protection
  • Under-voltage protection
  • Over-current protection
  • Short-circuit protection

 

Motor-drive application diagrams

 

In addition, logic-level inputs make for a simple interface to a host microcontroller operating at 3.3V or 5V. The IFX007T is flexible enough to be used in various motor types' half- or H-bridge configurations, and with PWM control and freewheeling from either the high side or the low side

When twin IFX007T devices are used in an H-bridge configuration, they provide redundancy to support functional safety compliance.

 

Block diagram for the NovalithIC™ IFX007T

Features
  • 50A maximum continuous drain current
  • 24V normal operating voltage
  • 40V maximum operating voltage
  • 12.8mΩ maximum on-resistance at 25°C
  • Supports PWM frequency up to 20kHz
  • Operating-temperature range: -40°C to 150°C
Applications
  • Automation equipment
  • Home appliances
  • Robotics
  • Medical equipment
  • Power tools
  • Drones
  • 3D printers
  • Fans
  • Pumps

 

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