BU24032GW-E2 Equivalent & Substitute Parts

Part Overview

The BU24032GW-E2 is a bipolar motor driver IC manufactured by Rohm Semiconductor, designed for integrated motor control and power delivery in compact applications. This device integrates both control and power stages in a 32-UCSP75M2 package, supporting brushed DC and voice coil motor applications with serial interface control. The product is currently classified as obsolete, making identification of equivalent alternatives essential for ongoing design support and production continuity.

Substiute Parts

BU24032GW-E2
Rohm SemiconductorIn Stock: 827BU24032GW-E2 Datasheet
BU24032GW-E2
Current Part
BU24032GW-E2
Rohm SemiconductorIn Stock: 827BU24032GW-E2 Datasheet
BU24032GW-E2
Parametric Equivalent

Key Parameters

Parameter Value
Manufacturer Part Number BU24032GW-E2
Manufacturer Rohm Semiconductor
Category Power Management (PMIC)
Motor Type - Stepper Bipolar
Motor Type - AC, DC Brushed DC, Voice Coil Motor
Function Driver - Fully Integrated, Control and Power Stage
Output Configuration Half Bridge (11)
Interface Serial
Technology Power MOSFET
Step Resolution >256 Microsteps
Current - Output 500mA
Voltage - Supply 2.7V ~ 3.6V
Voltage - Load 2.7V ~ 5.5V
Operating Temperature -20°C ~ 85°C
Package / Case 32-VFBGA, CSPBGA
Supplier Device Package 32-UCSP75M2 (2.5x2.5)
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected

Substitute Part Grouping Explanation

Substitution for the BU24032GW-E2 is determined by strict alignment across the following critical parameters:

Motor control capability (bipolar stepper and brushed DC motor support), fully integrated control and power stage architecture, half-bridge output configuration with serial interface, power MOSFET technology, 500mA output current rating, 2.7V to 3.6V supply voltage range, 2.7V to 5.5V load voltage range, operating temperature range of -20°C to 85°C, and 32-UCSP75M2 package footprint compatibility.

Only components matching all these specifications across motor type, functional integration, output topology, interface protocol, current delivery, voltage ratings, thermal range, and physical packaging qualify as direct parametric equivalents.

Parameter Comparison

Parameter BU24032GW-E2 (Main Part) BU24032GW-E2 (Parametric Equivalent)
Manufacturer Part Number BU24032GW-E2 BU24032GW-E2
Manufacturer Rohm Semiconductor Rohm Semiconductor
Motor Type - Stepper Bipolar Bipolar
Motor Type - AC, DC Brushed DC, Voice Coil Motor Brushed DC, Voice Coil Motor
Function Driver - Fully Integrated, Control and Power Stage Driver - Fully Integrated, Control and Power Stage
Output Configuration Half Bridge (11) Half Bridge (11)
Interface Serial Serial
Technology Power MOSFET Power MOSFET
Current - Output 500mA 500mA
Voltage - Supply 2.7V ~ 3.6V 2.7V ~ 3.6V
Voltage - Load 2.7V ~ 5.5V 2.7V ~ 5.5V
Operating Temperature -20°C ~ 85°C -20°C ~ 85°C
Package / Case 32-VFBGA, CSPBGA 32-VFBGA, CSPBGA
Supplier Device Package 32-UCSP75M2 (2.5x2.5) 32-UCSP75M2 (2.5x2.5)
RoHS Status ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited)
REACH Status REACH Unaffected REACH Unaffected

Engineering Selection Recommendations

The BU24032GW-E2 is classified as an obsolete product. When sourcing alternatives, prioritize components that maintain full parametric equivalence across motor control topology, integrated power delivery, output current capacity, supply and load voltage ranges, and thermal operating limits.

Compliance certifications including ROHS3 and REACH status should be maintained to ensure regulatory alignment with existing design documentation and manufacturing standards. The 32-UCSP75M2 package footprint is critical for PCB layout compatibility and must be preserved in any substitution decision.

Frequently Asked Questions (FAQ)

Q: What defines a direct substitute for the BU24032GW-E2?

A: A direct substitute must match all critical parameters: bipolar motor driver capability, fully integrated control and power stage, half-bridge output configuration, serial interface, 500mA output current, 2.7V to 3.6V supply voltage, 2.7V to 5.5V load voltage, -20°C to 85°C operating temperature, and 32-UCSP75M2 package footprint.

Q: Is the 32-UCSP75M2 package footprint interchangeable with other 32-pin packages?

A: No. The 32-UCSP75M2 specifies a 2.5x2.5mm ball grid array with defined pitch and ball placement. PCB layout and assembly equipment must be compatible with this exact package specification.

Q: Does the obsolete product status affect substitution criteria?

A: Product obsolescence does not alter the electrical or mechanical substitution requirements. All parametric criteria remain the same. Obsolescence indicates limited availability and necessitates proactive sourcing of equivalent alternatives.

Q: Are there functional differences between the main part and its parametric equivalent?

A: When parametric specifications are identical across all listed parameters, functional performance in the application circuit remains equivalent. Differences would only arise if any parameter deviates from the specified range.

Q: What compliance certifications should be verified during substitution?

A: Maintain ROHS3 compliance and REACH unaffected status to ensure regulatory alignment with original design specifications and manufacturing requirements.

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