XC6501A18B0R-G Equivalent & Substitute Parts

Part Overview

The XC6501A18B0R-G is an active linear voltage regulator IC manufactured by Torex Semiconductor Ltd, classified as a Power Management (PMIC) component. This device delivers a fixed positive output of 1.85V at 200mA with integrated enable control and over-current protection. The regulator operates across an input voltage range up to 6V with a maximum dropout voltage of 0.47V at full load current, making it suitable for low-power applications requiring stable voltage regulation in compact form factors.

The XC6501A18B0R-G is currently in active product status with 675 units in stock. Equivalent substitute parts are identified to provide design flexibility, supply chain alternatives, and inventory optimization while maintaining identical electrical and mechanical specifications.

Substiute Parts

XC6501A18B0R-G

Torex Semiconductor LtdIn Stock: 686XC6501A18B0R-G Datasheet

Current PartRFQ

XC6501D18B0R-G

Torex Semiconductor LtdIn Stock: 1085XC6501D18B0R-G Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the XC6501A18B0R-G are identified based on strict parametric equivalence across all critical electrical and mechanical specifications. The substitution logic is based on the following key parameters that must remain identical:

Electrical Specifications:

• Fixed output voltage of 1.85V
• Maximum output current of 200mA
• Maximum input voltage of 6V
• Maximum dropout voltage of 0.47V at 200mA
• Quiescent current of 18 µA
• PSRR of 50dB at 1kHz
• Enable control feature
• Over-current protection

Mechanical & Package Specifications:

• 4-XFBGA, WLBGA package type
• WLP-4-01 supplier device package designation
• Surface mount mounting type
• Operating temperature range of -40°C to 85°C

Compliance & Environmental:

• ROHS3 compliance
• MSL rating of 1 (Unlimited)
• REACH Unaffected status
• Active product status

Parts meeting all these criteria are classified as direct parametric equivalents and may be substituted without circuit redesign or performance degradation.

Parameter Comparison

Engineering Selection Recommendations

Both the XC6501A18B0R-G and XC6501D18B0R-G are active products from Torex Semiconductor Ltd with identical electrical and mechanical specifications. Selection between these parts is based on the following engineering criteria:

Supply Chain Considerations: The XC6501D18B0R-G maintains higher inventory availability at 1039 units compared to 675 units for the XC6501A18B0R-G. For applications requiring immediate procurement or bulk quantities, the XC6501D18B0R-G provides supply chain flexibility.

Compliance & Regulatory: Both parts maintain ROHS3 compliance, MSL rating of 1 (Unlimited), and REACH Unaffected status, satisfying environmental and regulatory requirements for industrial and consumer applications.

Functional Equivalence: The parts are functionally identical across all specified parameters, including output voltage, current capacity, dropout voltage, quiescent current, PSRR, control features, and protection mechanisms. Direct substitution is supported without circuit modification.

Package & Mounting: Both parts utilize the WLP-4-01 package designation with 4-XFBGA, WLBGA form factor and surface mount technology, ensuring PCB layout compatibility and assembly process alignment.

Frequently Asked Questions (FAQ)

Q: Can the XC6501D18B0R-G be used as a direct replacement for the XC6501A18B0R-G?

A: Yes. The XC6501D18B0R-G is a direct parametric equivalent with identical electrical specifications, output voltage, current capacity, dropout voltage, quiescent current, PSRR, control features, protection mechanisms, package type, and operating temperature range. No circuit redesign is required.

Q: Are there any differences in package or mounting between these parts?

A: No. Both parts use the WLP-4-01 supplier device package designation with 4-XFBGA, WLBGA form factor and surface mount technology. PCB layout and assembly processes remain unchanged.

Q: What is the significance of the part number suffix difference (A18B0R vs. D18B0R)?

A: The suffix variation indicates different manufacturing batches or revisions from Torex Semiconductor Ltd. Both variants maintain identical electrical and mechanical specifications as defined in this reference.

Q: Are both parts compliant with environmental and regulatory standards?

A: Yes. Both the XC6501A18B0R-G and XC6501D18B0R-G are ROHS3 compliant, carry MSL rating of 1 (Unlimited), and maintain REACH Unaffected status.

Q: Which part should be selected for new designs?

A: Either part is suitable for new designs. Selection may be based on inventory availability, supplier lead times, or procurement preferences. The XC6501D18B0R-G offers higher inventory availability at 1039 units.

Q: What is the operating temperature range for these regulators?

A: Both parts operate across -40°C to 85°C ambient temperature range (TA), supporting industrial and extended commercial applications.

Q: What protection features are included in these linear regulators?

A: Both parts include over-current protection to safeguard against fault conditions and load transients.

Q: What is the quiescent current consumption of these regulators?

A: Both parts consume 18 µA of quiescent current, making them suitable for battery-powered and low-power standby applications.