DS1830U Equivalent & Substitute Parts

Part Overview

The DS1830U is a 3-channel power supply supervisor IC manufactured by Analog Devices Inc./Maxim Integrated, designed for monitoring multiple voltage rails in power management applications. This device features open drain or open collector output configuration with active low reset functionality and a minimum reset timeout of 10ms, 20ms, or 50ms. The DS1830U is classified as obsolete, which necessitates identification of functionally equivalent alternatives for new designs and ongoing production support.

Substiute Parts

DS1830U

Analog Devices Inc./Maxim IntegratedIn Stock: 946DS1830U Datasheet

Current PartRFQ

DS1830U+

Analog Devices Inc./Maxim IntegratedIn Stock: 5111DS1830U+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the DS1830U is determined by strict equivalence across the following critical parameters:

• Channel Configuration: 3-channel voltage monitoring capability
• Voltage Threshold: 5V threshold specification
• Output Type: Open drain or open collector output
• Reset Behavior: Active low reset with specified timeout values (10ms, 20ms, 50ms minimum)
• Package Compatibility: 8-TSSOP/8-MSOP surface mount package with 0.118" (3.00mm) width
• Temperature Range: -40°C to 85°C operating specification
• Functional Classification: Sequencer-type supervisor IC

The DS1830U+ meets all these criteria and is therefore a direct functional equivalent. Substitution is valid only when all parameters match the specifications listed above.

Parameter Comparison

Engineering Selection Recommendations

The DS1830U+ is the direct equivalent substitute for the DS1830U. Both parts are manufactured by Analog Devices Inc./Maxim Integrated and share identical electrical and mechanical specifications across all monitored parameters.

The primary distinction between these parts is product status and regulatory compliance. The DS1830U is classified as obsolete, while the DS1830U+ maintains active product status. Additionally, the DS1830U+ achieves ROHS3 compliance, whereas the DS1830U is RoHS non-compliant. Both parts maintain identical moisture sensitivity levels and REACH/ECCN classifications.

For applications requiring new component procurement or long-term supply chain continuity, the DS1830U+ is the appropriate selection due to its active status and enhanced regulatory compliance posture.

Frequently Asked Questions (FAQ)

Q: Can the DS1830U+ directly replace the DS1830U in existing designs?

A: Yes. The DS1830U+ is a direct functional equivalent. All electrical parameters, package specifications, and operating characteristics are identical. No circuit modifications are required for substitution.

Q: What is the difference between the DS1830U and DS1830U+?

A: The primary differences are product lifecycle status and regulatory compliance. The DS1830U is obsolete, while the DS1830U+ is active. The DS1830U+ achieves ROHS3 compliance, whereas the DS1830U does not. Electrical and mechanical specifications are identical.

Q: Are there packaging differences between these parts?

A: Both parts use the same 8-TSSOP/8-MSOP surface mount package with 0.118" (3.00mm) width. The DS1830U is supplied in standard packaging, while the DS1830U+ is supplied in tube packaging. This does not affect electrical compatibility or board-level integration.

Q: What parameters must match for a valid substitution?

A: Valid substitution requires matching specifications for channel count (3), voltage threshold (5V), output type (open drain/open collector), reset logic (active low), reset timeout values (10ms, 20ms, 50ms minimum), operating temperature range (-40°C to 85°C), and package type (8-TSSOP/8-MSOP).

Q: Is the DS1830U+ suitable for new production designs?

A: Yes. The DS1830U+ is classified as active and is the recommended choice for new designs requiring a 3-channel power supply supervisor with 5V threshold specification and open drain/open collector output configuration.