UCC27511AQDBVRQ1

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PMIC - Gate Drivers

The UCC27511AQDBVRQ1 is a low side gate drive IC designed to be used in the application of power management IC (PMIC). It is designed to drive N-channel MOSFETs or IGBTs in low side configurations. The chip features an ultra-low quiescent current of less than 1 microamp and a breakdown voltage of up to 180 volts.

Application Field

UCC27511AQDBVRQ1 is suitable for a variety of applications, including DC-DC converters, AC-DC converters, H-bridge circuits, TVS circuits, resonant converters, solar inverters, offline converters, and other switching power conversion systems.

In these applications, UCC27511AQDBVRQ1 provides high transient current limit and low resistance to minimize conduction losses in both switches and output capacitors.

The device also offers a low distortion pulse-width modulation (PWM) signal drive capability with current limit and protection features that provide a safe and reliable switching solution.

Working Principle

UCC27511AQDBVRQ1 works by providing a regulated voltage to drive the high and low side switches in an H-bridge circuit. When the external PWM signal is high, the device supplies the PWM signal to the high side switch and prevents current from flowing through the low side switch.

When the PWM signal is low, the device supplies a regulated voltage to the low side switch and prevents current from flowing through the high side switch. The device also has an integrated current monitor that detects and limits overtemperature conditions, latch-up effects and short circuit currents.

UCC27511AQDBVRQ1 uses a low pin count package, which simplifies the design of complex power systems and reduces board space requirements. Additionally, the device is compatible with a wide range of voltage levels, from 1 V to 35 V, which allows it to be used for a wide range of applications.

Conclusion

In summary, UCC27511AQDBVRQ1 is an ideal low side gate driver suitable for a variety of applications which require low quiescent current and high protection features. The device features an ultra-low quiescent current, a breakdown voltage of up to 180 volts, and a low pin count package, as well as compatibility with a wide range of voltage levels.

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