DS1813-15+ Equivalent & Substitute Parts

Part Overview

The DS1813-15+ is an active-low reset supervisor IC manufactured by Analog Devices Inc./Maxim Integrated, part of the EconoReset series. This single-channel power management IC monitors a 4.13V threshold and provides open-drain output for system reset control. The device is actively produced and widely stocked, with 1034 units available in inventory. Finding equivalent parts may be necessary for supply chain optimization, regional availability, or design flexibility when the primary part becomes constrained.

Key Parameters

Parameter	Value
Manufacturer Part Number	DS1813-15+
Manufacturer	Analog Devices Inc./Maxim Integrated
Category	Power Management (PMIC)
Type	Simple Reset/Power-On Reset
Number of Voltages Monitored	1
Voltage Threshold	4.13V
Output Type	Open Drain or Open Collector
Reset Logic	Active Low
Reset Timeout	100ms Minimum
Operating Temperature Range	-40°C ~ 85°C (TA)
Package / Case	TO-226-3, TO-92-3 (TO-226AA)
Mounting Type	Through Hole
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Active

Substitute Part Grouping Explanation

Substitution eligibility for the DS1813-15+ is determined by strict alignment of the following critical parameters:

Mandatory Matching Parameters:

Single-channel voltage monitoring capability
Open-drain or open-collector output configuration
Active-low reset logic
Through-hole mounting in TO-92-3 package
Operating temperature range of -40°C to 85°C
ROHS3 compliance and MSL 1 rating

Allowable Variation Parameters:

Voltage threshold: Tolerance within system design margins
Reset timeout: Minimum specification must not exceed application requirements
Inventory status and packaging format (bulk vs. bag)

The MCP130-450DI/TO from Microchip Technology qualifies as a direct substitute based on matching all mandatory parameters while maintaining functional equivalence in reset supervision applications.

Parameter Comparison

Parameter	DS1813-15+ (Analog Devices)	MCP130-450DI/TO (Microchip)
Manufacturer Part Number	DS1813-15+	MCP130-450DI/TO
Manufacturer	Analog Devices Inc./Maxim Integrated	Microchip Technology
Type	Simple Reset/Power-On Reset	Simple Reset/Power-On Reset
Number of Voltages Monitored	1	1
Voltage Threshold	4.13V	4.375V
Output Type	Open Drain or Open Collector	Open Drain or Open Collector
Reset Logic	Active Low	Active Low
Reset Timeout	100ms Minimum	150ms Minimum
Operating Temperature Range	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)
Package / Case	TO-226-3, TO-92-3 (TO-226AA)	TO-226-3, TO-92-3 (TO-226AA)
Mounting Type	Through Hole	Through Hole
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active
Inventory Availability	1034 Pcs New Original In Stock	2754 Pcs New Original In Stock

Engineering Selection Recommendations

Both the DS1813-15+ and MCP130-450DI/TO are active production devices with ROHS3 compliance and unlimited moisture sensitivity ratings, making them suitable for equivalent application in reset supervision circuits. The primary design consideration is the voltage threshold differential: the MCP130-450DI/TO operates at 4.375V compared to the DS1813-15+ at 4.13V. This 0.245V offset must be evaluated against system power supply tolerance and reset trigger requirements. The MCP130-450DI/TO provides a longer minimum reset timeout of 150ms versus 100ms, which may require verification against application timing specifications. Both devices maintain identical operating temperature ranges and package configurations, ensuring mechanical and thermal compatibility in through-hole PCB applications.

Frequently Asked Questions (FAQ)

Q: Can the MCP130-450DI/TO directly replace the DS1813-15+ without circuit modification?

A: Both devices share identical package geometry (TO-92-3), output configuration (open-drain), and reset logic (active-low). However, the voltage threshold difference of 0.245V and reset timeout variation of 50ms require verification against your specific power supply voltage and timing requirements before implementation.

Q: What is the significance of the voltage threshold difference between these parts?

A: The voltage threshold determines the supply voltage level at which the reset supervisor triggers. The DS1813-15+ monitors 4.13V while the MCP130-450DI/TO monitors 4.375V. Selection depends on your system's nominal supply voltage and acceptable tolerance band. A higher threshold may delay reset assertion in low-voltage conditions.

Q: Are both parts suitable for industrial temperature applications?

A: Yes. Both the DS1813-15+ and MCP130-450DI/TO operate across the -40°C to 85°C temperature range, meeting industrial specifications for through-hole mounted supervisor ICs.

Q: What does the reset timeout specification mean for my application?

A: Reset timeout is the minimum duration the reset output remains asserted after the supply voltage crosses the threshold. The DS1813-15+ guarantees 100ms minimum, while the MCP130-450DI/TO guarantees 150ms minimum. Your system must tolerate the longer assertion period if substituting with the Microchip device.

Q: Are there any compliance or regulatory differences between these parts?

A: Both parts are ROHS3 compliant, REACH unaffected, and carry identical MSL 1 ratings. No compliance barriers exist for substitution in regulated applications.

Q: Which part should I select for new designs?

A: Selection is based on supply voltage monitoring requirements and reset timing specifications. If your system operates near 4.13V, the DS1813-15+ provides tighter threshold control. If your system operates near 4.375V or can tolerate longer reset assertion, the MCP130-450DI/TO offers higher inventory availability (2754 units vs. 1034 units).

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