MC33886PVWR2 Integrated Circuits (ICs)

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The MC33886PVWR2 is an integrated Power Management Control IC that optimizes the performance of the system by providing all the necessary components for the power management and signal control solution. It is a multi-channel buck-boost pre-driver with dedicated MOSFET gate drivers and a high performance signal controller making it the first choice for automotive applications such as electronic headlamp control, inverters, HVAC and robotics.

Application Field

The MC33886PVWR2 is designed to provide an efficient, low-cost power management solution. It delivers a high power density and low-losses to enable higher efficiency and power conversion in portable and automotive applications. This ultra-low-power half-bridge is ideal for DC-DC applications requiring high current pulse frequencies such as automotive headlight control and motor stall protection. The MC33886PVWR2 supports the control of 4 independent N-channel MOSFETs at 600 volts which can be used to reduce power dissipation on power devices and minimize power losses in the system.

The MC33886PVWR2 can also be used for applications such as power-on reset, desaturation protection and a single-input I2C interface. Additionally, the integrated gate driver makes it suitable for POL (Power On-Line) applications such as low-side current sensing for motor control. With a low-profile 2.4mm x 12.0mm SOIC-24 package, this device is an efficient solution for limited space applications.

Working Principle

The MC33886PVWR2 has four gate drivers which are controlled by a single Serial Peripheral Interface (SPI). Each driver uses a soft-start circuit to minimize inrush current during startup, thus reducing mechanical stress on the motor. The driver also supports a PWM frequency of up to 8 MHz to make the most efficient use of system power. To limit the peak current through the MOSFET switch, the integrated current sense comparators can be used to detect overload conditions while the device is in overdrive or pulse-width modulation (PWM) mode.

The wide VCC range of this device from 2.3V to 5.5V, its low quiescent current and its minimum load protection capabilities make it suitable for systems requiring a low-power, low-noise solution for efficient power needs.

In automotive applications, the wide input voltage range captures the widest range of input conditions and minimizes system power consumption. Other features such as pre-charge booster and pre-charge protection simplify the implementation of current protection of the power MOSFET. In addition, integrated thermal protection and pre-FAULT detection resistors provide further automatic protection for the system.

The MC33886PVWR2 is a versatile device that is suitable for the most demanding automotive applications such as electronic headlamp control, inverters, HVAC and robotics. It provides a reliable, low-cost and low-power power solution for these challenging applications.

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