BD67929EFV-E2

Overview

The BD67929EFV-E2 is a three-phase brushless motor driver designed for polygonal mirror motors, featuring a direct PWM drive type with an integrated PLL. It operates within a supply voltage range of 19 V to 28 V and utilizes a 28-pin HTSSOP-B package. The device supports power dissipation up to 4.7 W and includes built-in protection functions such as overcurrent and thermal shutdown.

Feature Summary

• Integrated PLL for stable operation in direct PWM drive applications
• Built-in protection circuits including thermal and overcurrent safeguards
• Optimized for driving polygonal mirror motors in three-phase configurations

Applications

• Polygonal mirror motor control systems
• Three-phase brushless motor drives requiring integrated PLL
• Optical scanning devices utilizing direct PWM drive methods

Procurement Notes

Verify the specific suffix E2 against official ROHM documentation to confirm pinout and electrical characteristics match your design requirements. Ensure the 28-HTSSOP-B package dimensions align with your PCB layout constraints. Cross-reference the latest datasheet revision to confirm active status and any potential obsolescence notices before finalizing procurement plans.

Selection Notes

Select this component when designing systems specifically for polygonal mirror motors that require a direct PWM interface with an internal PLL. Consider the 19 V to 28 V operating range and 4.7 W power dissipation capability relative to your thermal management strategy. Verify compatibility with your control logic levels and ensure the three-phase output configuration meets your motor drive topology needs.

Part Context

This part belongs to ROHM's series of motor drivers and controllers, specifically targeting niche applications like optical scanners. It integrates power DMOS outputs with control logic, simplifying the design of complex three-phase brushless motor systems by reducing external component count and ensuring reliable operation through built-in safety features.

Replacement Considerations

Consult the official ROHM replacement list for verified substitutes. Generic cross-references may not account for the unique PLL integration or specific package variations required for polygonal mirror applications.