AP2151AFM-7 Equivalent & Substitute Parts

Part Overview

The AP2151AFM-7 is a Power Management Integrated Circuit (PMIC) manufactured by Diodes Incorporated, functioning as a USB Power Switch with P-Channel output configuration. This component operates as a 1:1 high-side switch driver, delivering up to 500mA output current with integrated fault protection mechanisms. The device is classified as Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Substitute parts are identified when design requirements necessitate alternative packaging options, inventory availability considerations, or equivalent electrical performance specifications while maintaining identical functional parameters.

Substiute Parts

AP2151AFM-7

Diodes IncorporatedIn Stock: 1805AP2151AFM-7 Datasheet

Current PartRFQ

AP2151FMG-7

Diodes IncorporatedIn Stock: 8351AP2151FMG-7 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the AP2151AFM-7 is determined by strict equivalence across the following critical parameters:

• Switch Type: USB Switch
• Output Type: P-Channel
• Output Configuration: High Side
• Ratio - Input:Output: 1:1
• Current - Output (Max): 500mA
• Voltage - Load: 2.7V ~ 5.5V
• Rds On (Typ): 90mOhm
• Operating Temperature: -40°C ~ 85°C (TA)
• Package / Case: 6-UFDFN Exposed Pad
• Mounting Type: Surface Mount
• Fault Protection: Current Limiting (Fixed), Over Temperature, Reverse Current, UVLO
• Features: Status Flag
• Interface: On/Off
• Input Type: Non-Inverting
• Product Status: Active
• RoHS Status: ROHS3 Compliant
• MSL Rating: 1 (Unlimited)

The AP2151FMG-7 meets all substitution criteria as a parametric equivalent within the AP2151 base product family, maintaining identical electrical specifications and environmental ratings.

Parameter Comparison

Engineering Selection Recommendations

Both the AP2151AFM-7 and AP2151FMG-7 are Active product status components with identical electrical and mechanical specifications. Selection between these parts is based on inventory availability and supply chain considerations rather than functional differentiation. The AP2151FMG-7 maintains higher inventory levels (8272 Pcs) compared to the AP2151AFM-7 (1780 Pcs), making it suitable for high-volume production requirements. Both components satisfy RoHS3 compliance requirements and carry unlimited moisture sensitivity rating (MSL 1), ensuring compatibility with standard surface mount assembly processes and storage conditions. No functional performance trade-offs exist between these alternatives.

Frequently Asked Questions (FAQ)

Q: Are AP2151AFM-7 and AP2151FMG-7 electrically interchangeable?

A: Yes. Both parts share identical electrical specifications including 500mA maximum output current, 90mOhm typical on-resistance, 2.7V to 5.5V load voltage range, and -40°C to 85°C operating temperature. Fault protection mechanisms and status flag features are equivalent.

Q: Do these parts require different PCB layouts or assembly procedures?

A: No. Both components use identical 6-UFDFN Exposed Pad packaging with surface mount mounting type. PCB footprints, reflow profiles, and assembly handling procedures remain unchanged between parts.

Q: What is the difference between the part numbers AP2151AFM-7 and AP2151FMG-7?

A: The part numbers differ in their suffix designations (AFM vs. FMG), which typically indicate manufacturing date codes or internal Diodes Incorporated production batches. Electrical and mechanical specifications are identical.

Q: Can I substitute AP2151FMG-7 for AP2151AFM-7 in existing designs?

A: Yes. No design modifications are required. The substitute part maintains all functional parameters, package dimensions, and environmental ratings specified for the original component.

Q: Are both parts RoHS3 compliant?

A: Yes. Both AP2151AFM-7 and AP2151FMG-7 carry ROHS3 Compliant status with REACH Unaffected classification.

Q: What is the MSL rating for these components?

A: Both parts carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions for storage or handling.