MAX17491GTA+T

Overview

The MAX17491GTA+T is a single-phase synchronous MOSFET gate driver manufactured by Analog Devices Inc./Maxim Integrated. It operates within a supply voltage range of 4.2 V to 5.5 V and features non-inverting logic configuration. The device provides an output current capability of 2.7 A with typical rise and fall times of 10 ns and 8 ns, respectively. It is housed in an 8-pin TQFN (3x3 mm) surface-mount package with an exposed pad for thermal management. The component supports a maximum high-side bootstrap voltage of 24 V and functions reliably across an operating junction temperature range of -40°C to 150°C.

Feature Summary

• Single-phase synchronous MOSFET driver design optimized for efficient power management
• Non-inverting logic configuration for straightforward control interface integration
• High-speed switching performance with low propagation delay characteristics
• Robust thermal dissipation capabilities via exposed pad package design

Applications

• Half-bridge gate driver circuits
• Synchronous rectification applications
• Power supply controller interfaces

Procurement Notes

Verify the specific ordering suffix and tape-and-reel packaging details directly with authorized distributors or the manufacturer. Confirm that the component meets all relevant RoHS compliance standards required for your assembly process. Ensure that the ESD handling procedures are strictly followed during storage and installation to prevent damage to the sensitive gate driver inputs. Cross-reference the datasheet revision history to ensure compatibility with existing design specifications.

Selection Notes

Select this component when a compact, high-speed single-phase synchronous gate driver is required for space-constrained designs. The 8-pin TQFN package offers a small footprint suitable for dense PCB layouts. Consider the 2.7 A peak drive current and fast transition times for applications demanding rapid switching speeds. Evaluate the 4.2 V to 5.5 V supply range against your system's available rail voltages to ensure proper operation under all load conditions.

Part Context

This part belongs to the Maxim Integrated gate driver family, specifically designed for driving synchronous MOSFETs in half-bridge configurations. It complements other power management solutions by providing precise control over switch timing. The device integrates protection features common to modern gate drivers, ensuring reliable operation in various industrial and consumer electronics environments where efficient power conversion is critical.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult official replacement guides from Analog Devices for compatible alternatives.

FAQ

What is the logic configuration of the MAX17491GTA+T?

The MAX17491GTA+T features a non-inverting logic configuration.

What is the maximum high-side bootstrap voltage supported?

The device supports a maximum high-side bootstrap voltage of 24 V.