ISL6614CBZA

Gate Driver Overview

The ISL6614CBZA is a dual advanced synchronous rectified buck MOSFET driver manufactured by Intersil (Renesas). It features four N-channel MOSFET drivers for two synchronous rectified bridges. Key specifications include a maximum supply voltage of 13.2 V, output current capability of 3 A, and propagation delay of 10 ns. The device supports switching frequencies up to 1 MHz with rise and fall times of 26 ns and 18 ns respectively. It operates within a temperature range of 0°C to +85°C and is housed in a 14-lead SOIC package.

Gate Driver Feature Summary

• Advanced adaptive zero shoot-through protection utilizing body diode detection and auto-zero of rDS(ON) conduction offset effect
• Adjustable gate voltage ranging from 5V to 12V for optimized efficiency
• Internal bootstrap Schottky diode with bootstrap capacitor overcharging prevention
• Three-state PWM input capability for output stage shutdown and hysteresis support

Gate Driver Applications

• Synchronous rectified buck converter designs
• High-frequency power conversion systems
• Dual bridge motor drive applications

Gate Driver Procurement Notes

Verify the specific ordering suffix and manufacturer revision when sourcing this component, as Intersil has been acquired by Renesas. Confirm RoHS compliance status and moisture sensitivity level requirements for your assembly process. Check for end-of-life notifications or alternative manufacturing site certifications if long-term supply stability is required for production.

Gate Driver Selection Notes

Select this driver for applications requiring precise dead-time control and high-speed switching performance. Ensure the external MOSFETs are compatible with the adjustable gate voltage range and peak current capabilities. Consider the thermal dissipation requirements given the 1 W power dissipation rating and verify that the PCB layout supports the bootstrap capacitor configuration effectively.

Gate Driver Part Context

This component belongs to the ISL6614 series of gate drivers designed for synchronous buck converters. It complements other variants like the ISL6614CRZ and ISL6614ACBZR, differing primarily in packaging and specific electrical tolerances. The series is characterized by its integrated protection features aimed at preventing shoot-through currents in high-efficiency power stages.

Gate Driver Replacement Considerations

Direct substitutes include ISL6614CBZ and ISL6614ACBZR5214. Verify pin compatibility and electrical parameter alignment before substitution.