MAX5911ESA Hot Swap Controller Equivalent & Substitute Parts

Part Overview

The MAX5911ESA is a hot swap controller IC designed for -48V applications, featuring a single channel with internal switching capability and thermal limiting protection. This component is classified as obsolete, which necessitates identification of functionally equivalent alternatives for ongoing system support and new designs. The MAX5911ESA+ serves as the direct successor, offering identical electrical and mechanical specifications with improved compliance status and active product availability.

Substiute Parts

MAX5911ESA

Analog Devices Inc./Maxim IntegratedIn Stock: 3358MAX5911ESA Datasheet

Current PartRFQ

MAX5911ESA+

Analog Devices Inc./Maxim IntegratedIn Stock: 2092MAX5911ESA+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MAX5911ESA is determined by strict equivalence across the following critical parameters:

• Voltage supply range: -65V ~ -16V
• Maximum output current: 280mA
• Operating temperature range: -40°C ~ 85°C
• Package type: 8-SOIC surface mount
• Channel configuration: Single channel
• Internal switch presence: Yes
• Feature set: Thermal limit and UVLO protection

The MAX5911ESA+ meets all substitution criteria, maintaining identical electrical performance and mechanical compatibility while offering improved product status and regulatory compliance.

Parameter Comparison

Engineering Selection Recommendations

For new designs and ongoing system support, the MAX5911ESA+ is the appropriate selection. This part maintains complete electrical and mechanical equivalence to the MAX5911ESA while offering active product status and ROHS3 compliance. The transition from the obsolete MAX5911ESA to the MAX5911ESA+ presents no functional impact on circuit performance or board layout, as both components share identical pinout, package dimensions, and electrical characteristics.

For legacy systems currently utilizing the MAX5911ESA, the MAX5911ESA+ provides direct compatibility without design modification. The improved regulatory compliance status of the MAX5911ESA+ aligns with current manufacturing and supply chain requirements.

Frequently Asked Questions (FAQ)

Q: Can the MAX5911ESA+ be used as a direct replacement for the MAX5911ESA?

A: Yes. The MAX5911ESA+ is electrically and mechanically equivalent to the MAX5911ESA. Both components feature identical supply voltage ranges (-65V ~ -16V), output current ratings (280mA), operating temperature specifications (-40°C ~ 85°C), and 8-SOIC package configuration. No circuit modifications or board layout changes are required.

Q: What is the primary difference between these two parts?

A: The MAX5911ESA+ is the active production variant with ROHS3 compliance, while the MAX5911ESA is classified as obsolete. Both parts deliver identical functional performance in -48V hot swap controller applications.

Q: Are there any package or pinout differences?

A: No. Both the MAX5911ESA and MAX5911ESA+ utilize the 8-SOIC (0.154", 3.90mm Width) surface mount package with identical pinout and mechanical dimensions.

Q: What thermal and protection features are included?

A: Both parts incorporate thermal limit protection and programmable under-voltage lockout (UVLO) functionality, ensuring safe operation across the specified -40°C to 85°C temperature range.

Q: Is the MAX5911ESA+ suitable for new product designs?

A: Yes. The MAX5911ESA+ is the recommended choice for new designs, offering active product status, improved compliance certifications, and assured long-term availability.