LC709204FXE-01TBG Equivalent & Substitute Parts

Part Overview

The LC709204FXE-01TBG is an active battery monitor IC designed for single-cell lithium ion and lithium polymer battery applications. This fuel gauge IC operates via I2C interface and is housed in a 12-WLCSP package. The part is in active production status with full RoHS3 compliance and REACH unaffected classification. Substitute parts are identified when equivalent functional performance, battery chemistry support, and interface compatibility can be maintained within the specified electrical and mechanical parameters.

Substiute Parts

LC709204FXE-01TBG

onsemiIn Stock: 1054LC709204FXE-01TBG Datasheet

Current PartRFQ

BQ27210DRKR

Texas InstrumentsIn Stock: 18703BQ27210DRKR Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the LC709204FXE-01TBG are identified based on the following critical parameters:

• Function: Battery Monitor IC
• Battery Chemistry: Lithium Ion/Polymer support
• Number of Cells: Single-cell (1C) configuration
• Interface: I2C communication protocol
• Mounting Type: Surface Mount
• RoHS3 Compliance: Required for regulatory alignment
• Product Status: Active production

The BQ27210DRKR meets these core functional and compliance requirements. Both parts operate as single-cell lithium ion/polymer battery monitors with I2C interface and surface mount packaging. Differences in package geometry, operating temperature range, and moisture sensitivity level are documented in the parameter comparison table below.

Parameter Comparison

Engineering Selection Recommendations

Both the LC709204FXE-01TBG and BQ27210DRKR are active production parts with full RoHS3 compliance and REACH unaffected status. Selection between these parts depends on application-specific constraints:

The LC709204FXE-01TBG operates across a wider temperature range (-40°C to 85°C) and features MSL 1 moisture sensitivity, suitable for applications requiring extended environmental operating conditions and extended shelf life without moisture control measures.

The BQ27210DRKR operates within -20°C to 70°C and carries MSL 2 moisture sensitivity, appropriate for standard commercial temperature range applications with standard moisture handling procedures.

Package geometry differs between the two parts: the LC709204FXE-01TBG uses a 12-WLCSP package (1.48x1.91mm), while the BQ27210DRKR uses a 10-VSON package (3x4mm). PCB layout and thermal management considerations must account for these dimensional differences.

Frequently Asked Questions (FAQ)

Q: Can the BQ27210DRKR directly replace the LC709204FXE-01TBG in all applications?

A: Both parts share identical functional specifications for single-cell lithium ion/polymer battery monitoring via I2C interface. However, differences in operating temperature range, package dimensions, and moisture sensitivity level must be evaluated against specific application requirements before substitution.

Q: What are the package dimension implications for substitution?

A: The LC709204FXE-01TBG uses a 12-WLCSP package measuring 1.48x1.91mm, while the BQ27210DRKR uses a 10-VSON package measuring 3x4mm. PCB layout redesign is required for physical substitution due to different footprint geometries and pin configurations.

Q: Are both parts suitable for extended temperature range applications?

A: The LC709204FXE-01TBG supports -40°C to 85°C operation. The BQ27210DRKR supports -20°C to 70°C operation. Applications requiring operation below -20°C or above 70°C must use the LC709204FXE-01TBG.

Q: What is the significance of MSL rating differences?

A: The LC709204FXE-01TBG carries MSL 1 (unlimited shelf life without moisture control). The BQ27210DRKR carries MSL 2 (1-year shelf life with standard moisture control). Applications with extended component storage periods may benefit from the LC709204FXE-01TBG's lower moisture sensitivity.

Q: Do both parts require the same I2C protocol implementation?

A: Both parts use I2C interface for communication. Register maps and command structures may differ between manufacturers and must be verified against respective datasheets for firmware compatibility.