DS1259S/T&R Battery Power Management IC Equivalent & Substitute Parts

Part Overview

The DS1259S/T&R is a Battery Power Management IC manufactured by Analog Devices Inc./Maxim Integrated, housed in a 16-SOIC package. This component functions as a dedicated power management solution for battery-backed systems. The product is currently classified as obsolete, making identification of equivalent and substitute parts essential for ongoing system support, design updates, and procurement continuity.

Substiute Parts

DS1259S/T&R

Analog Devices Inc./Maxim IntegratedIn Stock: 1162DS1259S/T&R Datasheet

Current PartRFQ

MAX1259CWE+T

Analog Devices Inc./Maxim IntegratedIn Stock: 947MAX1259CWE+T Datasheet

Parametric EquivalentRFQ

TPS65510RGTT

Texas InstrumentsIn Stock: 1983TPS65510RGTT Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the DS1259S/T&R are identified based on the following core parameters:

• Functional Category: Power Management (PMIC)
• Primary Function: Battery Power Management
• Package Compatibility: 16-pin surface mount packages
• Operating Temperature Range: Minimum coverage of 0°C ~ 70°C
• Mounting Type: Surface Mount
• Regulatory Compliance: REACH Unaffected, EAR99 classification

Two substitute parts meet these criteria with varying degrees of parameter alignment:

1. MAX1259CWE+T — Parametric equivalent with identical package footprint (16-SOIC) and functional specification
2. TPS65510RGTT — Manufacturer-recommended alternative with enhanced fault protection and extended operating temperature range, packaged in 16-VQFN format

Parameter Comparison

Engineering Selection Recommendations

MAX1259CWE+T is the direct parametric equivalent for DS1259S/T&R replacement. Both components share identical package geometry (16-SOIC), functional specification (Battery Power Management IC), and operating temperature range (0°C ~ 70°C). The MAX1259CWE+T is currently in active production status and meets ROHS3 compliance requirements, addressing regulatory obsolescence of the original part. This substitute requires no PCB layout modifications and maintains full functional compatibility.

TPS65510RGTT is the manufacturer-recommended alternative when enhanced system protection is required. This Texas Instruments component extends the operating temperature range to -35°C ~ 85°C and includes integrated fault protection for over-current, over-temperature, and over/under-voltage conditions. The package format differs (16-VQFN versus 16-SOIC), requiring PCB layout redesign. This option is suitable for applications demanding extended thermal performance and comprehensive power management protection.

For direct replacement without design modification, select MAX1259CWE+T. For new designs or systems requiring enhanced protection and extended temperature operation, evaluate TPS65510RGTT with corresponding PCB layout updates.

Frequently Asked Questions (FAQ)

Q: Can MAX1259CWE+T be used as a direct drop-in replacement for DS1259S/T&R?

A: Yes. Both components use identical 16-SOIC packaging, share the same functional specification (Battery Power Management IC), and operate within the same temperature range (0°C ~ 70°C). No PCB modifications are required.

Q: What is the primary difference between MAX1259CWE+T and TPS65510RGTT?

A: MAX1259CWE+T maintains package and functional parity with the original DS1259S/T&R. TPS65510RGTT offers extended operating temperature range (-35°C ~ 85°C) and integrated fault protection (over-current, over-temperature, over/under-voltage), but requires PCB redesign due to different package format (16-VQFN versus 16-SOIC).

Q: Are both substitute parts RoHS compliant?

A: Yes. Both MAX1259CWE+T and TPS65510RGTT meet ROHS3 compliance standards, addressing the RoHS non-compliance status of the obsolete DS1259S/T&R.

Q: What is the moisture sensitivity difference between these parts?

A: DS1259S/T&R and MAX1259CWE+T both have MSL 1 (Unlimited moisture sensitivity). TPS65510RGTT has MSL 2 (1 Year), requiring controlled storage and handling conditions during manufacturing.

Q: Can TPS65510RGTT be used in existing DS1259S/T&R designs without modification?

A: No. TPS65510RGTT uses a different package format (16-VQFN versus 16-SOIC), requiring PCB layout redesign. Pin assignments and thermal characteristics differ from the original component. This substitute is suitable for new designs or major system revisions.

Q: Are all three parts classified under the same export control category?

A: Yes. DS1259S/T&R, MAX1259CWE+T, and TPS65510RGTT all carry ECCN classification EAR99 and HTSUS code 8542.39.0001, maintaining consistent export compliance across substitution options.