BQ2002ESN Equivalent & Substitute Parts

Part Overview

The BQ2002ESN is a multi-chemistry battery charger IC manufactured by Texas Instruments, designed for power management applications requiring flexible charging control. This Surface Mount device operates across a 2V battery pack voltage range with supply voltage up to 6V, supporting constant and pulsed charging modes with programmable voltage features. The part is currently active in production with 1290 units in stock.

Identifying equivalent and substitute parts is essential for supply chain continuity, inventory optimization, and design flexibility when the primary part number becomes unavailable or when alternative sourcing is required.

Substiute Parts

BQ2002ESN

Texas InstrumentsIn Stock: 1355BQ2002ESN Datasheet

Current PartRFQ

BQ2002CSN

Texas InstrumentsIn Stock: 1497BQ2002CSN Datasheet

Parametric EquivalentRFQ

BQ2002FSN

Texas InstrumentsIn Stock: 2336BQ2002FSN Datasheet

Parametric EquivalentRFQ

BQ2002GSN

Texas InstrumentsIn Stock: 5097BQ2002GSN Datasheet

Parametric EquivalentRFQ

BQ2002TSNG4

Texas InstrumentsIn Stock: 946BQ2002TSNG4 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the BQ2002ESN is determined by strict parametric matching across the following critical criteria:

Mandatory Matching Parameters:

• Manufacturer: Texas Instruments
• Battery Chemistry: Multi-Chemistry
• Current - Charging: Constant, Pulsed
• Programmable Features: Voltage
• Battery Pack Voltage: 2V
• Voltage - Supply (Max): 6V
• Operating Temperature: 0°C ~ 70°C (TA)
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)

All substitute parts listed below meet these exact specifications. Variations occur only in product status and packaging designation, which do not affect electrical or mechanical compatibility.

Parameter Comparison

Engineering Selection Recommendations

Active Production Parts: BQ2002CSN, BQ2002FSN, and BQ2002GSN are all active production equivalents with full parametric compatibility to BQ2002ESN. These parts carry identical electrical specifications, package geometry, and compliance certifications. Selection among these three should be based on inventory availability and supply chain logistics.

Discontinued Status: BQ2002TSNG4 is discontinued at DiGi Electronics and should be avoided for new designs or long-term production commitments. While electrically equivalent, its discontinued status presents supply risk.

Compliance & Certification: All active substitute parts maintain ROHS3 compliance and MSL Level 1 rating, ensuring compatibility with standard manufacturing and storage protocols.

Frequently Asked Questions (FAQ)

Q: Can BQ2002CSN, BQ2002FSN, or BQ2002GSN be used as direct replacements for BQ2002ESN?

A: Yes. All three parts are parametric equivalents with identical electrical characteristics, charging modes, voltage ratings, operating temperature range, and 8-SOIC package specifications. Direct substitution is supported without circuit modification.

Q: What is the difference between BQ2002ESN, BQ2002CSN, BQ2002FSN, and BQ2002GSN?

A: These part numbers represent different manufacturing date codes or internal revision levels within the same product family. All share identical functional specifications and are interchangeable at the circuit level.

Q: Should BQ2002TSNG4 be used as a substitute?

A: BQ2002TSNG4 is electrically equivalent but is discontinued at DiGi Electronics. It should not be selected for new designs or applications requiring long-term supply assurance. Use active production alternatives instead.

Q: Are all substitute parts in the same package?

A: Yes. All substitute parts use the 8-SOIC (0.154", 3.90mm Width) Surface Mount package. PCB layout and footprint compatibility is guaranteed across all listed equivalents.

Q: Do substitute parts require any design changes?

A: No. All substitute parts maintain identical pin configuration, electrical ratings, and functional characteristics. No schematic or layout modifications are necessary.