IR21814PBF

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

One type of Power Management Intergrated Circuit (PMIC) is a Gate Driver – and the IR21814PBF is one such device. It is a set of three well-isolated high and low-side MOSFET Gate Drivers, housed in a single 8-ball WDFN package; this package allows for a more reliable connection between the device and the PCB, cutting down on the possibility of shorts and other connection problems. It is designed for both high and low power applications, and is suitable for a variety of applications including battery charging, motor control, DC/DC converters, and audio amplifiers.

The IR21814PBF has two operating modes – Hi-On/Lo-On (HOL) and Hi-On/Lo-Off (HOLO). In the HOL mode, both the High Side and Low Side MOSFETS will be in an \'On\' state when triggered, allowing for a higher current flow rate. It also has a low output impedance, enabling it to drive large capacitive loads. In the HOLO Mode, the High Side MOSFET will stay \'On\', while the Low Side MOSFET switches \'Off\' when triggered. This mode is used to reduce the noise output of the device.

The IR21814PBF also provides a wide range of fault protection features. It contains an Over-Voltage Protection circuit that is capable of detecting excessive voltage and shutting down the device until the voltage returns to a safe level. It also includes a Thermal Shutdown circuit, which will shut down the device whenever the junction temperature exceeds a safe level. Additionally, the device contains a Fault Flag Output, which will signal any faults that occur in the circuit.

On the output side, the IR21814PBF provides two separate outputs for each high and low-side MOSFET, enabling it to be used in a wide range of applications. The output pins also feature both freewheel diodes and a series diode, which provide protection against overvoltage and reverse-current conditions.

The IR21814PBF has an integrated current sense amplifier, which is capable of sensing the amount of current going through the MOSFETs and displaying it on the Status and Thermal pins. This information can then be used to determine the MOSFET\'s optimal output. The device also includes an Internal Oscillator and open-drain pull up current limit resistor, which can be used to provide adjustable frequency and current overdrive in a variety of applications.

The IR21814PBF is the perfect solution for a wide range of applications, from high power battery charging, motor control, DC/DC converters, to audio amplifiers. Its wide range of fault protection features and output pins make it an ideal choice for these types of applications. With its integrated current sense amplifier and adjustable frequency and current overdrive, it’s sure to meet the needs of even the most demanding applications.

The specific data is subject to PDF, and the above content is for reference