MIC2588-2YM Equivalent & Substitute Parts

Part Overview

The MIC2588-2YM is a hot swap controller IC manufactured by Microchip Technology, designed for -48V negative voltage applications in 8-SOIC surface mount packaging. This device is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Hot swap controllers manage inrush current and fault protection in negative voltage power distribution systems. The MIC2588-2YM provides single-channel control with programmable current limiting, overvoltage protection, slew rate control, and undervoltage lockout functionality.

Key Parameters

Parameter	MIC2588-2YM
Manufacturer	Microchip Technology
Product Status	Obsolete
Type	Hot Swap Controller
Number of Channels	1
Applications	-48V
Voltage - Supply	-80V ~ -19V
Operating Temperature	-40°C ~ 85°C
Current - Supply	3 mA
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the MIC2588-2YM is determined by the following critical parameters:

Single-channel hot swap controller architecture
-48V negative voltage application support
8-SOIC surface mount package with 0.154" (3.90mm) width
Operating temperature range of -40°C to 85°C
ROHS3 compliance and MSL 1 rating
Programmable protection features (current limit, OVP, UVLO)

All identified substitute parts meet these core requirements. Differences in supply voltage range, quiescent current consumption, and specific programmable features do not preclude substitution within the -48V application domain, provided the substitute part's voltage range encompasses the system operating point.

Parameter Comparison

Parameter	MIC2588-2YM	LT1640LIS8#PBF	MAX5920AESA+	MAX5920AESA+T	MAX5939EESA+	MAX5939EESA+T
Manufacturer	Microchip Technology	Analog Devices Inc.	Analog Devices Inc./Maxim Integrated	Analog Devices Inc./Maxim Integrated	Analog Devices Inc./Maxim Integrated	Analog Devices Inc./Maxim Integrated
Product Status	Obsolete	Active	Active	Active	Active	Active
Type	Hot Swap Controller	Hot Swap Controller	Hot Swap Controller	Hot Swap Controller	Hot Swap Controller	Hot Swap Controller
Number of Channels	1	1	1	1	1	1
Applications	-48V	-48V	-48V	-48V	-48V	-48V
Voltage - Supply	-80V ~ -19V	-80V ~ -10V	-80V ~ -20V	-80V ~ -20V	-80V ~ -20V	-80V ~ -20V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Current - Supply	3 mA	1.3 mA	700 µA	700 µA	700 µA	700 µA
Package / Case	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

All substitute parts listed are active products with current manufacturing status, providing long-term availability compared to the obsolete MIC2588-2YM. All substitutes maintain ROHS3 compliance and MSL 1 rating, ensuring compatibility with standard PCB assembly processes and storage requirements.

The LT1640LIS8#PBF from Analog Devices offers the lowest quiescent current at 1.3 mA and includes auto-retry functionality. The MAX5920AESA+ and MAX5920AESA+T variants provide identical electrical specifications with packaging options in tube (AESA+) and tape & reel (AESA+T) formats. The MAX5939EESA+ and MAX5939EESA+T offer equivalent performance with alternative base product numbering and matching packaging options.

Selection between substitute parts should be based on packaging format requirements (tube versus tape & reel), manufacturer preference, and current inventory availability.

Frequently Asked Questions (FAQ)

Q: Can the LT1640LIS8#PBF be used as a direct replacement for the MIC2588-2YM?

A: Yes. Both devices are single-channel hot swap controllers in 8-SOIC packaging with -48V application support and identical operating temperature ranges. The LT1640LIS8#PBF operates within the required -80V to -10V supply range, which encompasses the -48V nominal operating point.

Q: What is the difference between MAX5920AESA+ and MAX5920AESA+T?

A: Both parts are electrically identical. The primary difference is packaging format: MAX5920AESA+ is supplied in tube packaging, while MAX5920AESA+T is supplied in tape & reel format. Selection depends on assembly process requirements and volume.

Q: Are MAX5939EESA+ and MAX5920AESA+ interchangeable?

A: Yes. Both are single-channel -48V hot swap controllers in 8-SOIC packaging with identical electrical specifications, operating temperature ranges, and compliance certifications. The difference is the base product number designation.

Q: Does the lower quiescent current of substitute parts affect circuit design?

A: The substitute parts consume less supply current than the MIC2588-2YM (700 µA to 1.3 mA versus 3 mA). This represents an improvement in power efficiency and does not require circuit redesign. Existing designs will function with reduced power consumption.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant with MSL 1 rating, meeting the same environmental and regulatory requirements as the original MIC2588-2YM.

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