AS3722-BCTT-09 Equivalent & Substitute Parts Reference

Part Overview

The AS3722-BCTT-09 is a Power Management IC (PMIC) manufactured by ams-OSRAM USA INC., designed for handheld and mobile device applications. This component integrates multiple power management functions in a 124-pin TFBGA package. The AS3722-BCTT-09 is classified as obsolete, making identification of functionally equivalent substitute components essential for ongoing system design, legacy product support, and supply chain continuity.

Substiute Parts

AS3722-BCTT-09

ams-OSRAM USA INC.In Stock: 2478AS3722-BCTT-09 Datasheet

Current PartRFQ

BQ51051BYFPT

Texas InstrumentsIn Stock: 1614BQ51051BYFPT Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute component identification for the AS3722-BCTT-09 is based on the following criteria derived from the provided parameters:

Primary Substitution Criteria:

• Functional category: Power Management (PMIC)
• Mounting type: Surface Mount
• Environmental compliance: RoHS Compliant status
• Supply voltage compatibility: Operating range must support system power rails
• Current consumption: Must be compatible with power budget constraints
• Operating temperature range: Must cover or exceed the required thermal envelope
• Package compatibility: Physical form factor must accommodate PCB layout requirements

Secondary Considerations:

• Moisture Sensitivity Level (MSL) rating
• REACH compliance status
• ECCN classification for regulatory purposes

The substitute part BQ51051BYFPT has been identified based on shared Power Management (PMIC) classification, Surface Mount assembly compatibility, and equivalent environmental compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

Substitution Feasibility Assessment:

The BQ51051BYFPT can serve as a functional substitute for the AS3722-BCTT-09 under the following conditions:

1. Product Status Advantage: The BQ51051BYFPT is in active production status, ensuring long-term availability and supply chain stability compared to the obsolete AS3722-BCTT-09.

2. Compliance Alignment: Both components meet RoHS and REACH compliance requirements, with equivalent ECCN classifications (EAR99), supporting regulatory and export requirements.

3. Voltage Range Consideration: The substitute operates within 4V ~ 10V, which overlaps with the main part's 2.5V ~ 5.5V range in the 4V ~ 5.5V window. System voltage rail specifications must be verified to confirm compatibility.

4. Package Redesign Requirement: The substitute uses a 28-pin XFBGA/DSBGA package versus the main part's 124-pin TFBGA. This represents a significant reduction in pin count and physical footprint, requiring PCB layout modification and schematic redesign.

5. Current Consumption Difference: The substitute draws 8mA quiescent current compared to the main part's 310µA. This higher consumption must be evaluated against system power budget constraints.

6. Operating Temperature Range: The substitute supports 0°C ~ 125°C versus the main part's -40°C ~ 85°C. Applications requiring operation below 0°C must use the original part or identify alternative substitutes with lower temperature ratings.

7. Moisture Sensitivity: The substitute has MSL 1 (Unlimited) versus the main part's MSL 3 (168 Hours), providing less stringent handling requirements.

Selection Criteria:

• Use BQ51051BYFPT only when PCB redesign is feasible and voltage/temperature/current specifications align with system requirements
• For drop-in replacement without redesign, identify alternative PMIC solutions with matching 124-pin TFBGA packaging
• Verify functional feature parity between components before final selection

Frequently Asked Questions (FAQ)

Q1: Can the BQ51051BYFPT be used as a direct drop-in replacement for the AS3722-BCTT-09?

A: No. The BQ51051BYFPT uses a 28-pin XFBGA/DSBGA package compared to the AS3722-BCTT-09's 124-pin TFBGA package. Direct substitution requires PCB layout redesign and schematic modification. Pin-to-pin compatibility does not exist between these components.

Q2: What are the key voltage compatibility considerations?

A: The AS3722-BCTT-09 operates at 2.5V ~ 5.5V, while the BQ51051BYFPT operates at 4V ~ 10V. The overlapping range is 4V ~ 5.5V. If your system uses supply voltages below 4V or above 5.5V, the substitute is not compatible. Verify your system's actual voltage rails before proceeding with substitution.

Q3: How does the higher quiescent current of the substitute affect system design?

A: The BQ51051BYFPT draws 8mA quiescent current versus the AS3722-BCTT-09's 310µA. This 25-fold increase in standby current consumption must be evaluated against your system's power budget. For battery-powered or low-power applications, this difference may be significant and require power management strategy adjustments.

Q4: Are there temperature range limitations with the substitute?

A: Yes. The BQ51051BYFPT operates at 0°C ~ 125°C, while the AS3722-BCTT-09 operates at -40°C ~ 85°C. If your application requires operation below 0°C (such as aerospace, automotive, or outdoor equipment), the substitute is not suitable. The main part's lower temperature limit of -40°C is not matched by this substitute.

Q5: What compliance certifications should I verify before substitution?

A: Both components are RoHS Compliant and REACH Unaffected, with equivalent EAR99 export classifications. These certifications are aligned. However, verify that your specific application's regulatory requirements do not mandate the original manufacturer's part number or specific product lineage.

Q6: How do the moisture sensitivity levels differ, and what does this mean for handling?

A: The AS3722-BCTT-09 has MSL 3 (168 Hours), requiring controlled humidity storage and limited floor life after moisture exposure. The BQ51051BYFPT has MSL 1 (Unlimited), meaning it has no moisture sensitivity restrictions. The substitute offers more flexible handling and storage conditions, reducing logistics complexity.

Q7: What should I do if I need a true drop-in replacement without PCB redesign?

A: Identify alternative PMIC solutions that maintain the 124-pin TFBGA package form factor and compatible voltage/current specifications. Contact component distributors or the original manufacturer (ams-OSRAM) for recommended alternatives within the same package family. Package compatibility is essential for avoiding redesign costs.

Q8: Is the BQ51051BYFPT the only available substitute?

A: Based on the provided data, BQ51051BYFPT is identified as a substitute. However, this does not exclude other PMIC solutions from consideration. Conduct a comprehensive market search for alternative Power Management ICs that meet your specific voltage, current, temperature, and package requirements.