SC728CSTRT Equivalent & Substitute Parts

Part Overview

The SC728CSTRT is a Power Management Integrated Circuit (PMIC) manufactured by Semtech Corporation, functioning as a Power Switch/Driver with 1:1 N-Channel configuration rated for 2A output current in a 4-CSP (0.76x0.76) package. The device is classified as Obsolete, indicating it is no longer in active production. Locating equivalent or substitute components is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or maintenance requirements for systems utilizing this power switch architecture.

Substiute Parts

SC728CSTRT

Semtech CorporationIn Stock: 944SC728CSTRT Datasheet

Current PartRFQ

SC725CSTRT

Semtech CorporationIn Stock: 9062SC725CSTRT Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SC728CSTRT is determined by strict equivalence across the following critical parameters:

• Functional Architecture: 1:1 N-Channel Power Switch configuration with High Side output
• Electrical Performance: 2A maximum output current, 24mOhm typical on-resistance, 1.1V ~ 3.6V load voltage range
• Interface Type: On/Off control interface
• Package Compatibility: 4-CSP (0.76x0.76) form factor with 4-WFBGA, CSPBGA case designation
• Environmental Compliance: RoHS Compliant status, MSL 1 rating, -40°C ~ 85°C operating temperature range
• Manufacturer Continuity: Semtech Corporation product line

The SC725CSTRT qualifies as a manufacturer-recommended substitute, maintaining identical electrical specifications, package geometry, and compliance certifications while offering improved feature set and active production status.

Parameter Comparison

Engineering Selection Recommendations

The SC725CSTRT is the manufacturer-recommended substitute for the SC728CSTRT. Both devices maintain identical electrical specifications, package geometry, and environmental compliance certifications. The SC725CSTRT offers the advantage of an additional Load Discharge feature while preserving all core functional parameters.

From a product lifecycle perspective, the SC728CSTRT is classified as Obsolete, while the SC725CSTRT is classified as Not For New Designs. For applications requiring active component support and supply chain continuity, the SC725CSTRT provides superior availability and manufacturer backing. Both parts are RoHS Compliant with MSL 1 rating, ensuring compatibility with standard manufacturing and storage protocols.

Frequently Asked Questions (FAQ)

Q: Can SC725CSTRT be used as a direct replacement for SC728CSTRT in existing designs?

A: Yes. The SC725CSTRT maintains identical electrical specifications (2A output current, 24mOhm on-resistance, 1.1V ~ 3.6V load voltage), identical package geometry (4-CSP 0.76x0.76), and identical interface configuration (On/Off control). Pin-to-pin compatibility and functional equivalence are confirmed across all critical parameters.

Q: What is the difference between SC728CSTRT and SC725CSTRT?

A: The primary differences are product status and feature set. SC728CSTRT is Obsolete; SC725CSTRT is Not For New Designs. SC725CSTRT includes an additional Load Discharge feature not present in SC728CSTRT. All electrical performance parameters, voltage ratings, current ratings, and package specifications are identical.

Q: Are there any packaging or handling differences between these parts?

A: Both parts use identical 4-CSP (0.76x0.76) package geometry with 4-WFBGA, CSPBGA case designation. Both carry MSL 1 (Unlimited) moisture sensitivity rating, indicating identical storage and handling requirements. SC725CSTRT is supplied in Tape & Reel (TR) packaging format.

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

A: Both SC728CSTRT and SC725CSTRT operate across -40°C to 85°C ambient temperature range (TA), ensuring compatibility across industrial and commercial temperature specifications.

Q: Are both parts RoHS compliant?

A: Yes. Both SC728CSTRT and SC725CSTRT are RoHS Compliant, meeting environmental and regulatory requirements for lead-free manufacturing and hazardous substance restrictions.