HIP4086ABZT

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The HIP4086ABZT is an example of a gatedriver, part of the larger platform of power management integrated circuits (PMICs). It is designed to provide efficient and reliable operation in a range of applications while also maximizing performance, not least when it comes to controlling and switching high-current PMICs.

The HIP4086ABZT is a high-performance dual-channel gate driver IC, with a wide supply voltage range, low on-chip resistance, low power consumption, and excellent thermal performance. It is suitable for a variety of applications, including powering high-current stepper motors, relays, and drives.

The main features of the HIP4086ABZT are a wide output voltage range (up to 36V), current sense, buffered driving capability, and low spread values. The high-operating voltage range is particularly important for controlling high-power PMICs, ensuring reliable operation and maximum efficiency even in high-power applications. The internal current sense also allows for accurate monitoring and control of the winding current during operation.

Technical specifications of the HIP4086ABZT include a total integrated gate charge from 0.063 to 0.093 nanocoulombs (nC), an operating voltage range from 2.5 to 36V, and a maximum operating frequency of 1MHz. It is also able to switch up to 4A per channel, and has a quiescent current of 40µA.

The HIP4086ABZT achieves its high performance and reliability with a combination of two different methods. Firstly, the device uses its low on-chip resistance to ensure that switching is as efficient as possible, while its low power consumption means it is able to maintain excellent thermal performance in high-power applications. Secondly, the device has a high-temperature interleaving process that further increases the reliability and performance of the device.

In terms of its working principle, the HIP4086ABZT uses its dual-channel output stage to provide an active-high path for applications requiring low on-time. This is achieved by a combination of a VDD/VSS pre-driver, a main MOSFET driver, and a control FET driver. The pre-driver provides the initial power to the main MOSFET driver, which then controls the voltage on the MOSFET. The control FET driver then provides the current-sense signal to the application, which is necessary for the accurate control of the winding current.

In conclusion, the HIP4086ABZT is an excellent example of a high-performance, low-power gate driver IC. It is suitable for a range of applications requiring efficient and reliable power control and switching, and achieves this through its high voltage range, low on-chip resistance, and efficient high-temperature interleaving process.

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