XC6501B18AMR-G Equivalent & Substitute Parts

Part Overview

The XC6501B18AMR-G is an active linear voltage regulator IC manufactured by Torex Semiconductor Ltd, classified as a Power Management (PMIC) component. This device provides a fixed positive output of 1.85V at 200mA with a maximum dropout voltage of 0.47V, housed in a SOT-25 surface mount package. The regulator includes enable control and over-current protection features, operating across the industrial temperature range of -40°C to 85°C.

Equivalent and substitute parts are identified when alternative components meet or exceed the electrical and mechanical specifications of the primary device, enabling design flexibility, supply chain continuity, and inventory optimization without compromising circuit performance.

Substiute Parts

XC6501B18AMR-G

Torex Semiconductor LtdIn Stock: 757XC6501B18AMR-G Datasheet

Current PartRFQ

S-1315A1J-M5T1U3

ABLIC Inc.In Stock: 992S-1315A1J-M5T1U3 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the XC6501B18AMR-G are identified based on strict electrical and mechanical compatibility criteria. The following parameters determine substitution eligibility:

Critical Matching Parameters:

• Fixed output voltage of 1.85V
• Output current capability of 200mA minimum
• Maximum input voltage of 5.5V or greater
• Dropout voltage performance at 200mA load
• Enable control functionality
• Over-current protection
• Operating temperature range of -40°C to 85°C minimum
• Surface mount packaging in SOT-23-5 or equivalent footprint
• ROHS3 compliance and REACH unaffected status

The S-1315A1J-M5T1U3 manufactured by ABLIC Inc. qualifies as a parametric equivalent based on these criteria. Both devices deliver identical output voltage and current specifications, operate across the same temperature range, include equivalent protection and control features, and maintain full regulatory compliance.

Parameter Comparison

Engineering Selection Recommendations

Primary Part Selection (XC6501B18AMR-G): Select the XC6501B18AMR-G when applications require input voltages up to 6V. This device is active, ROHS3 compliant, and REACH unaffected. Tape & Reel packaging supports high-volume manufacturing environments.

Substitute Part Selection (S-1315A1J-M5T1U3): The S-1315A1J-M5T1U3 serves as a direct substitute for applications with input voltages limited to 5.5V or below. This ABLIC device is active, ROHS3 compliant, and REACH unaffected. The substitute demonstrates superior quiescent current performance (1µA versus 18µA) and higher PSRR (60dB versus 50dB), providing advantages in low-power and noise-sensitive applications. Cut Tape packaging accommodates lower-volume or prototype requirements.

Compatibility Constraints: The maximum input voltage difference (6V versus 5.5V) represents the primary selection criterion. Applications operating at input voltages exceeding 5.5V require the primary XC6501B18AMR-G device. Both parts maintain identical output specifications, temperature performance, and regulatory compliance, enabling direct substitution within voltage constraints.

Frequently Asked Questions (FAQ)

Q: Can the S-1315A1J-M5T1U3 replace the XC6501B18AMR-G in all applications?

A: The S-1315A1J-M5T1U3 functions as a direct substitute provided the circuit input voltage does not exceed 5.5V. The primary device supports input voltages to 6V. Verify circuit input voltage specifications before substitution.

Q: What are the package differences between these parts?

A: Both devices use pin-compatible SOT-23-5 footprints (SC-74A, SOT-753 designations). The XC6501B18AMR-G ships in Tape & Reel format; the S-1315A1J-M5T1U3 ships in Cut Tape format. PCB layout and reflow profiles remain identical.

Q: Does the substitute part offer performance advantages?

A: The S-1315A1J-M5T1U3 exhibits lower quiescent current (1µA versus 18µA) and higher power supply rejection ratio (60dB versus 50dB at 1kHz). These characteristics benefit battery-powered and noise-sensitive applications. Output voltage, current rating, and dropout voltage remain equivalent.

Q: Are both parts compliant with current regulations?

A: Both the XC6501B18AMR-G and S-1315A1J-M5T1U3 are ROHS3 compliant and REACH unaffected. Both devices carry active product status from their respective manufacturers.

Q: What determines whether I should use the primary or substitute part?

A: Input voltage range is the primary selection criterion. Use the XC6501B18AMR-G for circuits requiring input voltages between 5.5V and 6V. Use the S-1315A1J-M5T1U3 for applications with input voltages at or below 5.5V. Both parts deliver identical 1.85V, 200mA output specifications.

Q: Can these parts be used interchangeably on the same PCB assembly?

A: Yes, within voltage constraints. Both devices occupy identical footprints and pin configurations. Verify input voltage specifications for your application before selecting either part for PCB assembly.