MOSFET or IGBT in the high side configuration which operates up to volts. Packages. Data Sheet No. PDE. IR HIGH AND LOW SIDE DRIVER. IR datasheet, IR pdf, IR data sheet, datasheet, data sheet, pdf, International Rectifier, High and Low Side Driver, All High Voltage Pins On One. Infineon IRS Gate Drivers are available at Mouser Electronics. Mouser offers inventory, pricing, & datasheets for Infineon IRS Gate Drivers.

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This high-density System-in-Package SiP integrates controller, power switches, and support components. Skip to main content. In the previous tutorial, it was discussed that for driving a MOSFET as high side switch, a gate driver circuit needs to be used. The IC is having independent low and high side output channel. Datasbeet using a single IC, a half bridge circuit can be operated in which one MOSFET is in high side configuration and another one is in the low side configuration.

Before using this IC for driving the half or full bridge circuit, it is necessary to test the faultiness of the IC.

In this datsaheet, the method to test the IR IC is discussed. DC power supply of 5V and 12V. It has the following pin configuration.

The IR has the following pin diagram. The IR has the following internal circuitry. Internal block diagram of IR In the internal circuit diagram of IR, the low side and high side blocks are separated with a dotted line for simplicity. This pin is active high, so for enabling the IC to work, this pin is connected to the ground. The VDD is the supply voltage for driving the internal circuitry of the IC and it should be in between 3V to 20 V with reference to Vss as per the datasheet.


Exclusive Digi-key Tools Embedded computers. A square wave is applied at the Lin and Hin pin with the zero phase difference between them and the wave is generated using a microcontroller. For voltage regulation, the anode of the battery should be connected to pin 1 of the voltage regulator ICs and pin 2 should be grounded. The respective voltage outputs then can be drawn from the pin 3 of the regulator ICs. The square wave which has to be applied at the input of Lin and Hin pin is generated by a microcontroller.

The controller works on TTL transistor- transistor logic.

The square wave can be generated using any microcontroller board. In testing for this IC, the square wave has been generated using Arduino board.

Ir21110s Arduino is the most popular prototyping board and can be easily programmed to generate a perfect square wave.

Since the square wave has to be applied at two pins of the IR, the Arduino is programmed to output square wave from two of its pins. While assembling the circuit for testing the IR IC, following precautions must be taken care of ir2110e.

IR Datasheet(PDF) – International Rectifier

Check the input voltage limits from the datasheet of IR Always common the ground of 12V and 5V supply. This should be done to avoid any undermine state at the output. Apply a clean DC to the IC to avoid any voltage spikes. For this, an electrolyte capacitor in parallel with ceramic capacitor for filtering the input power supply can be used. Make proper connections as loose connections can result into abrupt wave at the output.

How the circuit works. From the internal circuit it can be seen that in high side and lows side, there are two MOSFETs at the end followed by a latch on high side and an AND gate on low side. This gives high output at HO pin.


IRS Datasheet(PDF) – International Rectifier

So, high output is obtained at LO pin. The generated square wave ri2110s the controller should be applied at the Hin and Lin pins and at the output pins LO and HO respectively a square wave of same amplitude and datahseet should be obtained.

If the exact square wave is not obtained at the LO and HO pins or no square wave is output fromeither pin, then IR in case is faulty.

If the IC is heating too fast despite not exceeding input supply voltages beyond limit, then also the IC can be predicted to be faulty. Testing the IR IC. After applying the square waves at Lin and Hin pins, the following voltage waveforms at the Lo and Ho pins were observed on a Cathode Ray Oscilloscope.

From the voltage waveforms observed on CRO, it can be seen that it has the same amplitude and frequency dztasheet of the input square wave. So, the IR IC under test is working properly. It can now be used as a gate driver circuit for Half bridge or datawheet H-bridge circuit without doubt.

Testing IR2110 Gate Driver IC- ( Part 14/17)

In the next tutorial learn about improving the switching time of relays. Log in or register to post comments reads. Interface GPS with Arduino. Interface SD Card with Arduino. SPI Module of Arduino.

IR2110S Datasheet PDF

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