ISL89166FBEAZ-T

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The ISL89166FBEAZ-T is a PMIC (Power Management Integrated Circuit) MPU (multi-phase) gate driver, specifically designed to be used with modern high current inductive load solutions. The device is designed to drive power MOSFETs, IGBTs and diodes. It has an advanced feature set to ensure robust performance across a wide range of applications, such as improving life cycle performance, system reliability and efficiency in power management solutions.

The case for ISL89166FBEAZ-T can be used in a range of applications including industrial, automotive and consumer, as well as in battery-operated systems. It is ideally suited for use in power factor correction (PFC) solutions and in applications where gate drivers are required to drive higher load MOSFETs and IGBTs. This device is also suitable for use in rectification and/or inverter applications.

The ISL89166FBEAZ-T is designed to provide low levels of radiated internal noise and voltage spikes and is suitable for devices in harsh environments. It also provides integrated protections against over-current, under-voltage and over-voltage conditions, thereby reducing the need for external protective components.

The device is designed to work in both synchronous and asynchronous modes. In the synchronous mode, four high-side output channels drive gate signals with a common low-side gate driver pin. The device also features four independent high-side and four independent low-side outputs for driving gates of different MOSFETs, which can be individually enabled or disabled. This greatly simplifies the application control.

The device offers two output current ranges to select from: nominal peak output current of 4A or 6A. The output current limit of 4A and 6A can be adjusted via external bias by the use of its external current limit resistor. When the device is using 4A outputs, the voltage output is 8V and for 6A outputs, the voltage output is 6V.

The ISL89166FBEAZ-T benefits from a wide operating temperature range of -40°C to +105°C and also has high transient thermal immunity, allowing it to operate in high-temperature environments. The device is also pin-compatible with different packages, making it suitable for a variety of application options. T tolerant operation is also provided by the device, allowing users to wire the device in a variety of directions.

The device is equipped with an integrated short circuit protection, usually offered by an external protection circuit. The built-in protection ensures that the device is safe from being damaged due to excessive current conditions. The integrated gate driver eliminates the need for an external gate driver, which simplifies the design and reduces overall cost.

The device has been designed with an optimised soft start/sleep mode, which assists in reducing power consumption. This feature ensures that the changes between phases of the operation are smooth, reducing the noise and improving the life of the system. To further reduce power consumption and EMI emissions, the device also features an integrated synchronous rectifier.

In summary, the ISL89166FBEAZ-T is a PMIC MPU gate driver, designed to be used with modern high current inductive loads. It is designed to offer low levels of radiated noise and voltage spikes, as well as integrated protection against over-current, under-voltage and over-voltage conditions. It provides two output current ranges to select from and benefits from an optimised soft start/sleep mode. It is suitable for use in a variety of applications, including industrial, automotive and consumer, as well as battery-operated systems. It is a reliable and cost-effective solution for controlling high load MOSFETs and IGBTs.

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