MAX5903 (11)
The MAX5903 is available from Analog Devices at Xecor. Designed for hot-swap applications, the MAX5903 offers wide operation from +9V to +72V, inrush current limiting, and a circuit-breaker function, all while requiring no external sense resistor. Available in compact 6-pin TDFN and SOT23 packages, it is ideal for use in base-station line cards, industrial systems, network hubs, switches, routers, RAID, and servers. Whether used in telecommunications or industrial environments, this series ensures reliable performance, thermal protection, and fault management for demanding applications. Xecor is an authorized distributor for Analog Devices. Please view our extensive selection of the MAX5903 series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| MAX5903ABETT+ | Effortlessly control hot-swappable DC/DC converters for your demanding applications. | TDFN-6 | 6,512 | |
| MAX5903AAETT+T | This device is designed to safely control the insertion of electronic components into a live system with a maximum voltage of 72V | TDFN-6 | 7,200 | |
| MAX5903AAETT+ | Hot Swap Controller 1-CH 72V P-Channel Positive High Voltage 6-Pin TDFN EP T/R | TDFN EP-6 | 3,160 | |
| MAX5903ABETT+T | Reliable Voltage Regulation Syste | TDFN-6 | 7,094 | |
| MAX5903ABEUT+ | 1 Surface MountType 9V~72V SOT-23-6 Surge Suppressors ROHS | SOT23-6 | 5,779 | |
| MAX5903ACETT+ | Hot Swap Controller 1-CH 72V P-Channel Positive High Voltage 6-Pin TDFN EP T/R | TDFN EP-6 | 6,657 | |
| MAX5903ACETT+T | Simple Swapper Hot-Swap Controllers | TDFN-6 | 4,071 | |
| MAX5903NNETT+ | High-voltage power management made easy with this hot swap controller | TDFN EP-6 | 6,879 | |
| MAX5903NNETT+T | High voltage control and precision switching for demanding application | TDFN-6 | 8,798 | |
| MAX5903NNEUT+T | Product MAX5903NNEUT+T is a 9V~72V SOT-23-6 Surge Suppressor designed for surface mount applications. It is ROHS compliant | SOT23-6 | 6,324 | |
| MAX5903ABEUT+T | 6-Pin SOT-23 Packaged High Voltage Controller | SOT23-6 | 5,505 |
Key Featrues
Wide +9V to +72V Operation: This feature allows the device to operate across a broad voltage range, making it versatile for various applications, including industrial systems and network equipment. Its ability to handle high voltages ensures reliable performance in demanding environments.
Requires No External Sense Resistor: By eliminating the need for an external sense resistor, the device simplifies circuit design and reduces component count, which enhances efficiency and lowers overall system cost.
Limits Inrush Current: This feature prevents excessive current flow during power-up, protecting the system from potential damage and ensuring a smooth and safe hot-swap operation, which is critical for maintaining system stability.
Adjustable Undervoltage Lockout: The adjustable undervoltage lockout allows users to set a threshold voltage below which the device will not operate, providing an additional layer of protection against low voltage conditions that could harm the system.
Thermal Shutdown Protects External MOSFET: The thermal shutdown feature safeguards the external MOSFET by shutting down the device if it overheats, preventing damage and ensuring long-term reliability in high-temperature environments.
Requires No External Sense Resistor: By eliminating the need for an external sense resistor, the device simplifies circuit design and reduces component count, which enhances efficiency and lowers overall system cost.
Limits Inrush Current: This feature prevents excessive current flow during power-up, protecting the system from potential damage and ensuring a smooth and safe hot-swap operation, which is critical for maintaining system stability.
Adjustable Undervoltage Lockout: The adjustable undervoltage lockout allows users to set a threshold voltage below which the device will not operate, providing an additional layer of protection against low voltage conditions that could harm the system.
Thermal Shutdown Protects External MOSFET: The thermal shutdown feature safeguards the external MOSFET by shutting down the device if it overheats, preventing damage and ensuring long-term reliability in high-temperature environments.
Applications
Base-Station Line Cards: The MAX5902/MAX5903 hot-swap controllers are ideal for ensuring safe and reliable power management in base-station line cards. Their ability to operate from +9V to +72V and limit inrush current makes them perfect for maintaining uninterrupted communication in telecommunication systems, even during hot-swapping events.
Industrial Systems: These hot-swap controllers are well-suited for industrial systems where robust power management is critical. With features like circuit-breaker functionality, thermal shutdown, and adjustable undervoltage lockout, they ensure stable operation and protection of equipment in harsh industrial environments.
Network Hubs, Switches, and Routers: The MAX5902/MAX5903 provide a simple yet effective solution for power management in network infrastructure. Their ability to drive external p-channel MOSFETs and limit inrush current ensures smooth operation and protection of sensitive networking equipment during hot-plugging.
Servers and RAID Systems: These controllers are perfect for server and RAID applications, where reliable power sequencing and fault management are essential. With features like power-good output and latching or automatic retry fault management, they ensure uninterrupted operation and protection of critical data storage systems.
Industrial Systems: These hot-swap controllers are well-suited for industrial systems where robust power management is critical. With features like circuit-breaker functionality, thermal shutdown, and adjustable undervoltage lockout, they ensure stable operation and protection of equipment in harsh industrial environments.
Network Hubs, Switches, and Routers: The MAX5902/MAX5903 provide a simple yet effective solution for power management in network infrastructure. Their ability to drive external p-channel MOSFETs and limit inrush current ensures smooth operation and protection of sensitive networking equipment during hot-plugging.
Servers and RAID Systems: These controllers are perfect for server and RAID applications, where reliable power sequencing and fault management are essential. With features like power-good output and latching or automatic retry fault management, they ensure uninterrupted operation and protection of critical data storage systems.
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