IR2113SPBF

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The integrated-circuit IR2113SPBF is a power management IC (PMIC) for use as a gate driver in modern voltage regulator modules (VRMs) used with high-power processors. It features a resonant mode driver architecture with a low-side driver especially suitable for Full-Bridge and Half-Bridge style topologies, meaning it is fast and power-efficient. In order to better understand the application fields and working principle of the IR2113SPBF, this article will cover their various features, design considerations and benefits.

Overview

The IR2113SPBF is a power management IC (PMIC) specifically designed as an advanced-performance gate driver for modern VRMs. Its high-current low-side driver is suitable for Full-Bridge and Half-Bridge topologies, allowing for fast switching and efficient power delivery. The device is also capable of producing both positive and negative output voltages, can be used with standard N-MOSFETs or IGBTs and is also tolerant of multiple load conditions. It is housed in an 8-pin SOIC package and its low-side driver operates from a single supply voltage.

Features

The IR2113SPBF features a primary pulser driver with a single pin input for pulse width modulation (PWM) and a fixed frequency oscillator for adjustable frequency control. It also provides a high-current low-side driver, designed to be driven from a single supply voltage, that is suitable for use with Full-Bridge and Half-Bridge topologies. It also has a maximum peak current rating of 400mA, a rising/falling output propagation delay of <50ns, and a minimum dead-time of 7.5ns.

In addition, the device offers a variety of safety functionalities such as over-current and over-temperature protection. It also features an integrated high-side switch and a controllable deadtime, allowing for reliable start-up, protection against shoot-through current and the protection against inrush current. Other features include short-circuit protection, guarantee of steady-state load regulation, and load dump protection to protect against faulty inputs.

Design Considerations

In order to get the most out of the IR2113SPBF, it is important to understand the various design considerations. It is recommended to use a gate driver with an extended deadtime, such as the IR2113SPBF, when using the Half-Bridge configuration. This will ensure that the power conditioning circuit and the processor are protected from shoot-through current. It is also important to ensure that the device is connected to the correct power source, as incorrect power supply voltages can damage the driver and cause performance impairments.

When using the Half-Bridge configuration, additional safety features such as over-current protection, voltage clamping, and load dump protection should be employed. Additionally, the IR2113SPBF should be used with a slow switching signal in order to reduce ringing and switching losses. Finally, it is important to consider the various electrical, thermal and mechanical constraints when designing the system, in order to achieve the highest level of performance and reliability.

Benefits

The IR2113SPBF offers a number of beneficial features, including fast response times and high peak current ratings suitable for modern VRMs. It also features integrated over-current and over-temperature protection, short-circuit protection, and load dump protection, ensuring reliability and protection against faulty inputs. The device also offers a controllable deadtime and steady-state load regulation, allowing for reliable start-up and protection against shoot-through current. In addition, the device is capable of producing both positive and negative output voltages, and is tolerant of multiple load conditions.

Conclusion

The IR2113SPBF is a power management IC (PMIC) specifically designed as an advanced-performance gate driver for modern VRMs. Its high-current low-side driver is suitable for Full-Bridge and Half-Bridge topologies, allowing for fast switching and efficient power delivery. The device has a variety of safety functions and features, including over-current and over-temperature protection, short-circuit protection and load dump protection, ensuring reliability and protection against faulty inputs. It is also capable of producing both positive and negative output voltages, and is tolerant of multiple load conditions. In conclusion, the IR2113SPBF is an ideal choice of gate driver for modern VRMs.

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