DS1830S Equivalent & Substitute Parts

Part Overview

The DS1830S is a 3-channel supervisor IC manufactured by Analog Devices Inc./Maxim Integrated, designed for power management applications requiring voltage monitoring and sequencing. This device features open drain or open collector output configuration with active low reset functionality and operates across the industrial temperature range of -40°C to 85°C.

The DS1830S is classified as obsolete, which necessitates identification of functionally equivalent alternatives for new designs and ongoing production requirements. Active substitute parts maintain identical electrical and mechanical specifications while offering current product status and improved compliance certifications.

Key Parameters

Parameter	Value
Manufacturer	Analog Devices Inc./Maxim Integrated
Category	Power Management (PMIC)
Type	Sequencer
Number of Voltages Monitored	3
Voltage - Threshold	5V
Output Configuration	Open Drain or Open Collector
Reset Logic	Active Low
Reset Timeout	10ms; 20ms; 50ms Minimum
Operating Temperature Range	-40°C to 85°C (TA)
Mounting Type	Surface Mount
Package / Case	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package	8-SOIC
Moisture Sensitivity Level (MSL)	1 (Unlimited)
ECCN	EAR99
HTSUS Code	8542.39.0001

Substitute Part Grouping Explanation

Substitution of the DS1830S is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part DS1830S+ maintains identical specifications for voltage monitoring channels, threshold voltage, output configuration, reset behavior, temperature range, and physical packaging.

The substitution is valid based on the following matching criteria:

Number of voltages monitored: 3 channels
Voltage threshold: 5V
Output type: Open Drain or Open Collector
Reset configuration: Active Low
Reset timeout specifications: 10ms; 20ms; 50ms Minimum
Operating temperature: -40°C to 85°C
Package type: 8-SOIC (0.154", 3.90mm Width)
Mounting: Surface Mount
Moisture sensitivity: MSL 1 (Unlimited)
Export classification: EAR99
Tariff code: 8542.39.0001

Parameter Comparison

Parameter	DS1830S (Main Part)	DS1830S+ (Substitute)
Manufacturer	Analog Devices Inc./Maxim Integrated	Analog Devices Inc./Maxim Integrated
Product Status	Obsolete	Active
Type	Sequencer	Sequencer
Number of Voltages Monitored	3	3
Voltage - Threshold	5V	5V
Output Configuration	Open Drain or Open Collector	Open Drain or Open Collector
Reset Logic	Active Low	Active Low
Reset Timeout	10ms; 20ms; 50ms Minimum	10ms; 20ms; 50ms Minimum
Operating Temperature Range	-40°C to 85°C (TA)	-40°C to 85°C (TA)
Mounting Type	Surface Mount	Surface Mount
Package / Case	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package	8-SOIC	8-SOIC
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
RoHS Status	RoHS non-compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected
ECCN	EAR99	EAR99
HTSUS Code	8542.39.0001	8542.39.0001
Packaging Type	Not specified	Tube
Inventory Status	2256 Pcs New Original In Stock	940 Pcs New Original In Stock

Engineering Selection Recommendations

The DS1830S+ is a direct functional equivalent to the DS1830S and serves as the primary substitute for applications requiring this 3-channel supervisor IC. Both parts are manufactured by the same supplier and maintain identical electrical and mechanical specifications across all critical parameters.

The DS1830S+ offers the advantage of active product status, ensuring continued availability and manufacturing support. Additionally, the DS1830S+ achieves ROHS3 compliance, whereas the original DS1830S is RoHS non-compliant. Both parts maintain REACH unaffected status and identical export classification.

Selection between these parts should be based on compliance requirements and product lifecycle considerations. For new designs or production requiring RoHS compliance, the DS1830S+ is the appropriate choice. The identical package, pinout, and electrical specifications ensure direct substitution without circuit modification.

Frequently Asked Questions (FAQ)

Q: Can DS1830S+ be used as a direct replacement for DS1830S in existing designs?

A: Yes. The DS1830S+ maintains identical electrical specifications, pinout, and package configuration. No circuit modifications are required for substitution.

Q: What is the primary difference between DS1830S and DS1830S+?

A: The DS1830S+ is the active production equivalent with ROHS3 compliance, whereas the DS1830S is obsolete and RoHS non-compliant. All functional parameters remain identical.

Q: Are the package dimensions identical between these parts?

A: Yes. Both parts use 8-SOIC packaging with 0.154" (3.90mm) width. Pin configuration and spacing are identical.

Q: Does the DS1830S+ support the same reset timeout specifications?

A: Yes. Both parts support identical reset timeout options of 10ms, 20ms, and 50ms minimum.

Q: What is the operating temperature range for both parts?

A: Both the DS1830S and DS1830S+ operate across -40°C to 85°C (TA).

Q: Are there any differences in moisture sensitivity handling?

A: No. Both parts have MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions.

Q: Which part should be selected for new production?

A: The DS1830S+ should be selected for new production due to active product status and ROHS3 compliance certification.

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