MP2605DQ-LF-P Equivalent & Substitute Parts

Part Overview

The MP2605DQ-LF-P is an active lithium ion/polymer battery charger IC manufactured by Monolithic Power Systems Inc. in a 10-QFN (3x3) surface mount package. This single-cell charger integrates constant-current/constant-voltage charging with programmable timer functionality and over-voltage fault protection. The part is supplied in Tape & Reel packaging with 842 units currently in stock inventory.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility are maintained across the allowed parameter set: battery chemistry, cell count, charging current capability, battery pack voltage, supply voltage rating, operating temperature range, package type, and compliance certifications.

Substiute Parts

MP2605DQ-LF-P

Monolithic Power Systems Inc.In Stock: 889MP2605DQ-LF-P Datasheet

Current PartRFQ

MP2605DQ-LF-Z

Monolithic Power Systems Inc.In Stock: 25479MP2605DQ-LF-Z Datasheet

Parametric EquivalentRFQ

MP26121DQ-LF-P

Monolithic Power SystemsIn Stock: 1329MP26121DQ-LF-P Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MP2605DQ-LF-P is determined by strict equivalence across the following critical parameters:

• Battery chemistry and cell count (Lithium Ion/Polymer, 1 cell)
• Maximum charging current (1A)
• Battery pack voltage (4.2V)
• Maximum supply voltage (6.5V)
• Operating temperature range (-40°C ~ 85°C)
• Physical package and mounting type (10-VFDFN Exposed Pad, Surface Mount)
• Compliance certifications (ROHS3, REACH Unaffected, EAR99)

All identified substitutes maintain these parameters without deviation. Packaging format (Tape & Reel vs. Cut Tape) represents a supply chain variation and does not affect electrical or mechanical compatibility.

Parameter Comparison

Engineering Selection Recommendations

All three parts maintain active product status and identical compliance certifications (ROHS3, REACH Unaffected, EAR99). Selection between MP2605DQ-LF-P, MP2605DQ-LF-Z, and MP26121DQ-LF-P is determined by packaging format availability and inventory requirements:

MP2605DQ-LF-P and MP26121DQ-LF-P are supplied in Tape & Reel format, suitable for automated assembly processes. MP2605DQ-LF-Z is supplied in Cut Tape format, appropriate for manual or lower-volume assembly operations. Electrical and thermal performance are equivalent across all three variants.

Frequently Asked Questions (FAQ)

Q: Can MP2605DQ-LF-Z replace MP2605DQ-LF-P in production assembly?

A: Yes. Both parts are electrically and mechanically identical. The difference is packaging format: MP2605DQ-LF-Z uses Cut Tape while MP2605DQ-LF-P uses Tape & Reel. Assembly equipment compatibility with the packaging format must be verified.

Q: Is MP26121DQ-LF-P a direct substitute for MP2605DQ-LF-P?

A: Yes. MP26121DQ-LF-P maintains all critical electrical parameters, package dimensions, and compliance certifications. The base product number differs (MP26121 vs. MP2605), but functional performance for single-cell lithium ion/polymer charging at 1A is equivalent.

Q: What parameters must remain constant for substitution?

A: Battery chemistry (Lithium Ion/Polymer), cell count (1), maximum charging current (1A), battery pack voltage (4.2V), maximum supply voltage (6.5V), operating temperature range (-40°C ~ 85°C), package type (10-VFDFN Exposed Pad), and compliance certifications (ROHS3, REACH Unaffected, EAR99).

Q: Does packaging format affect electrical performance?

A: No. Tape & Reel and Cut Tape formats contain identical die and internal circuitry. Format selection is based on assembly process requirements and inventory handling.

Q: Are all three parts currently in stock?

A: Yes. MP2605DQ-LF-P has 842 units, MP2605DQ-LF-Z has 25,400 units, and MP26121DQ-LF-P has 1,317 units available.