LTC1156CSW#TRPBF

Overview

The LTC1156CSW#TRPBF is a high-side microprocessor MOSFET gate driver manufactured by Analog Devices Inc. It integrates four independent drivers within a single SOIC-16 package, designed for driving N-channel power MOSFETs in high-side configurations. The device operates on a supply voltage range of 4.5 V to 18 V and supports output voltages up to 18 V. Key electrical specifications include a maximum deadtime of 60 µs and a quiescent operating current of 180 µA. It utilizes CMOS logic inputs and functions within an ambient temperature range of 0°C to +70°C.

Feature Summary

• Integrates four independent high-side gate drivers for simultaneous control of multiple N-channel MOSFETs
• Includes integrated charge pump circuitry to facilitate high-side switching without external bootstrap components
• Features fixed deadtime control to prevent shoot-through currents during switching transitions

Applications

• High-side switching in DC-DC converter topologies
• Motor control systems requiring N-channel MOSFET drive
• Power management units for embedded microprocessor applications

Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm tape-and-reel packaging versus tube configuration, as the #TRPBF designation indicates reel packaging while the base model may vary. Confirm RoHS compliance status through the manufacturer's current product specification sheet. Ensure the intended application environment remains within the specified 0°C to +70°C operating temperature range for reliable performance.

Selection Notes

Select this component when a compact solution for driving multiple high-side N-channel MOSFETs is required without external charge pumps. The integrated deadtime feature simplifies timing design in bridge circuits. Consider the 18 V maximum supply limit and ensure input logic levels are compatible with standard CMOS interfaces. Evaluate thermal requirements based on the SOIC-16 package constraints for the target application load.

Part Context

This part belongs to the LTC1156 series of high-side MOSFET drivers from Analog Devices. It is functionally related to the LTC1154, which provides a single channel, but offers increased integration with four channels in the same package footprint family. The device serves as a specialized power management IC within the broader PMIC category, focusing on efficient gate drive for power switches.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.