DA7281-00V42 Equivalent & Substitute Parts

Part Overview

The DA7281-00V42 is an integrated motor driver IC manufactured by Renesas Electronics Corporation, designed for haptic feedback applications in consumer and industrial devices. This Power Management IC combines control and power stage functionality in a compact 12-WLCSP package, supporting both ERM (Eccentric Rotating Mass) and LRA (Linear Resonant Actuator) motor types via I2C interface. The part is Active status and widely used in gaming peripherals, industrial equipment, mobile devices, and wearable applications. Identifying equivalent substitute parts ensures design flexibility, supply chain continuity, and procurement optimization when the primary part becomes unavailable or when alternative sourcing is required.

Substiute Parts

DA7281-00V42

Renesas Electronics CorporationIn Stock: 4039DA7281-00V42 Datasheet

Current PartRFQ

DA7280-00V42

Renesas Electronics CorporationIn Stock: 35846DA7280-00V42 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the DA7281-00V42 are identified based on strict electrical and mechanical parameter matching within the haptic motor driver category. The substitution criteria are:

Critical Matching Parameters:

• Motor Type Support: ERM and LRA compatibility
• Output Configuration: Half Bridge (2) topology
• Interface Protocol: I2C communication
• Output Current Rating: 500mA
• Supply Voltage Range: 2.8V ~ 5.5V
• Operating Temperature Range: -40°C ~ 85°C
• Package Type: 12-WLCSP (1.35x1.75)
• Compliance: ROHS3 Compliant, Automotive Grade
• Moisture Sensitivity: MSL 1

The DA7280-00V42 meets all these criteria and is classified as a parametric equivalent. Both parts share identical electrical specifications, thermal characteristics, package dimensions, and compliance certifications, making them functionally interchangeable in circuit design and PCB layout.

Parameter Comparison

Engineering Selection Recommendations

Both the DA7281-00V42 and DA7280-00V42 are Active status products manufactured by Renesas Electronics Corporation with identical electrical, thermal, and mechanical specifications. Selection between these parts should be based on:

Availability and Inventory: The DA7280-00V42 maintains higher inventory levels (35,782 pcs) compared to the DA7281-00V42 (4,027 pcs), making it the preferred choice for high-volume production or when supply continuity is critical.

Compliance and Certification: Both parts carry Automotive Grade qualification and ROHS3 compliance, meeting stringent regulatory requirements for automotive and industrial applications.

Package and Thermal Characteristics: Identical 12-WLCSP (1.35x1.75) package dimensions and MSL 1 rating ensure no PCB layout modifications or thermal management adjustments are required during substitution.

Application Compatibility: Both parts support identical motor types (ERM and LRA), I2C interface, and output current specifications, ensuring seamless integration in gaming, industrial, mobile, and wearable applications.

Frequently Asked Questions (FAQ)

Q: Can DA7280-00V42 be used as a direct replacement for DA7281-00V42 without PCB modifications?

A: Yes. Both parts share identical package dimensions (12-WLCSP 1.35x1.75), pinout compatibility, and electrical specifications. No PCB layout changes are required.

Q: Are there differences in motor type support between these parts?

A: No. Both the DA7281-00V42 and DA7280-00V42 support ERM and LRA motor types with identical control and power stage integration.

Q: What is the significance of the different part numbers if specifications are identical?

A: Different part numbers may reflect manufacturing revisions, internal design iterations, or supply chain designations by Renesas Electronics. From an engineering perspective, they are functionally equivalent when all electrical and mechanical parameters match.

Q: Do both parts meet automotive qualification requirements?

A: Yes. Both parts carry Automotive Grade classification and ROHS3 compliance, qualifying them for automotive and industrial applications with stringent reliability standards.

Q: Is the I2C interface identical on both parts?

A: Yes. Both parts implement I2C communication protocol with identical interface specifications, ensuring software and firmware compatibility without modification.

Q: What is the moisture sensitivity implication for storage and handling?

A: Both parts have MSL 1 (Unlimited) rating, indicating unlimited shelf life under normal storage conditions without special moisture control requirements.

Q: Can these parts be used interchangeably in high-volume production?

A: Yes, with the consideration that DA7280-00V42 offers significantly higher inventory availability, making it more suitable for sustained high-volume manufacturing schedules.