BA6209N Motor Driver IC - Equivalent & Substitute Parts

Part Overview

The BA6209N is a brushed DC motor driver IC manufactured by Rohm Semiconductor, designed for 6V to 18V supply applications with integrated control and power stage functionality. This device features a half-bridge output configuration with parallel interface control, delivering 1.6A output current. The BA6209N is classified as obsolete, making identification of active equivalent parts essential for new designs and production continuity.

Substiute Parts

BA6209N

Rohm SemiconductorIn Stock: 3115BA6209N Datasheet

Current PartRFQ

BD62120AEFJ-E2

Rohm SemiconductorIn Stock: 40705BD62120AEFJ-E2 Datasheet

MFR RecommendedRFQ

MC33926ES

NXP SemiconductorsIn Stock: 710MC33926ES Datasheet

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MC33926ESR2

NXP USA Inc.In Stock: 906MC33926ESR2 Datasheet

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MC33926PNB

NXP USA Inc.In Stock: 16609MC33926PNB Datasheet

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MC33926PNBR2

NXP USA Inc.In Stock: 7522MC33926PNBR2 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the BA6209N requires matching the following critical parameters: brushed DC motor driver functionality, half-bridge output configuration, integrated control and power stage design, and ROHS3 compliance. The substitute parts are grouped based on interface type and mounting technology.

Primary Substitution Criteria:

• Motor type: Brushed DC
• Output configuration: Half Bridge
• Function: Driver with integrated control and power stage
• RoHS compliance: ROHS3 Compliant
• Product status: Active (preferred for new designs)

Grouping Logic:

• MFR Recommended: BD62120AEFJ-E2 (Rohm Semiconductor, same manufacturer, active status)
• Similar Parts: MC33926 series variants (NXP Semiconductors, higher current capability, active status)

Parameter Comparison

Engineering Selection Recommendations

BD62120AEFJ-E2 is the manufacturer-recommended substitute from Rohm Semiconductor. This part maintains the same manufacturer lineage as the BA6209N and holds active product status. It provides increased output current (2A versus 1.6A) and extended operating temperature range (-25°C to 85°C). The primary design consideration is the transition from through-hole to surface-mount packaging and from parallel to on/off interface control.

MC33926 Series (MC33926ES, MC33926ESR2, MC33926PNB, MC33926PNBR2) represents NXP Semiconductors alternatives with significantly higher output current capability (5A). These parts are active and ROHS3 compliant. The MC33926PNB and MC33926PNBR2 variants maintain parallel interface control matching the BA6209N architecture. All MC33926 variants feature extended operating temperature range (-40°C to 125°C) and wider supply voltage tolerance (5V to 28V).

Selection between substitute options depends on interface requirements (parallel control preferred for direct BA6209N replacement) and packaging constraints (surface-mount versus through-hole PCB design).

Frequently Asked Questions (FAQ)

Q: Can BD62120AEFJ-E2 directly replace BA6209N in existing designs?

A: BD62120AEFJ-E2 provides functional equivalence as a brushed DC motor driver with half-bridge output and integrated control stage. However, the interface changes from parallel to on/off control, requiring circuit redesign. Packaging changes from 10-SIP through-hole to 8-SOIC surface-mount also necessitate PCB layout modifications.

Q: Which substitute maintains the closest electrical compatibility with BA6209N?

A: MC33926PNB and MC33926PNBR2 maintain parallel interface control identical to BA6209N. Both deliver 5A output current and support 5V to 28V supply voltage range, encompassing the original 6V to 18V specification. These parts are functionally equivalent for applications requiring parallel control architecture.

Q: What are the packaging differences among substitute options?

A: BD62120AEFJ-E2 uses 8-SOIC surface-mount package. MC33926ES and MC33926ESR2 use 28-VQFN surface-mount packages. MC33926PNB and MC33926PNBR2 use 32-PowerQFN surface-mount packages. All substitutes transition from the original 10-SIP through-hole package, requiring PCB redesign.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. BA6209N and all listed substitute parts (BD62120AEFJ-E2, MC33926ES, MC33926ESR2, MC33926PNB, MC33926PNBR2) are ROHS3 compliant and REACH unaffected.

Q: What is the current capability difference between BA6209N and substitutes?

A: BA6209N delivers 1.6A output current. BD62120AEFJ-E2 provides 2A. MC33926 series variants deliver 5A. Higher current capability in substitutes allows operation with higher-power motor loads within the same package footprint.

Q: Which substitute offers the widest operating temperature range?

A: MC33926 series variants (MC33926ES, MC33926ESR2, MC33926PNB, MC33926PNBR2) operate across -40°C to 125°C, compared to BA6209N's -20°C to 75°C range. BD62120AEFJ-E2 operates -25°C to 85°C.