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Product Detailed Parameters
- Description：IC 7CH POWER DRIVER FOR CD/DVD-R
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR)
- Motor Type - Stepper：-
- Motor Type - AC, DC：-
- Function：-
- Output Configuration：-
- Interface：-
- Technology：-
- Step Resolution：-
- Applications：-
- Current - Output：-
- Voltage - Supply：-
- Voltage - Load：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The BD7954FS-E2 is a seven-channel power driver integrated circuit manufactured by ROHM Semiconductor, designed specifically for CD/DVD-R optical drive systems. It integrates control logic and power output stages to manage multiple motors and actuators within the drive mechanism. The component operates within a specified voltage range suitable for standard consumer electronics applications. It is classified under Motor / Motion / Ignition Controllers & Drivers and falls within the PMIC - Power Management ICs subcategory. The device utilizes an SSOP-32 package for surface mount installation.
Feature Summary
- Integrates seven independent channel drivers for comprehensive actuator control in optical drives
- Combines control logic with power output stages to simplify system design
- Optimized for driving spindle, sled, and focus/coil motors in CD/DVD-R mechanisms
Applications
- CD-ROM drive motor control
- DVD-ROM drive actuator management
- CD/DVD-R disc loading mechanisms
- Optical pickup unit positioning systems
Procurement Notes
Verify current availability status as the part may be discontinued or subject to limited supply constraints. Confirm package type and revision level match design requirements. Check RoHS compliance documentation for regulatory adherence. Validate pinout compatibility with existing PCB layouts before integration. Consult manufacturer notices for end-of-life notifications or recommended alternative components.
Selection Notes
Select this component for designs requiring integrated multi-channel motor control in optical storage devices. Ensure operating voltage and thermal conditions align with system specifications. Consider the SSOP-32 package dimensions for board space constraints. Evaluate if the fixed functionality meets application needs without requiring external control logic. Verify that the seven-channel configuration covers all required actuators in the target device.
Part Context
This part belongs to ROHM's series of dedicated power drivers for optical disk drives. It replaces discrete transistor solutions by integrating multiple driver channels into a single IC. The BD7954FS-E2 is part of a family including variants like BD7956FS-E2, tailored for different channel counts or specific drive types. These components streamline the design of compact optical drives by reducing component count and board area.
Replacement Considerations
Check for official substitute part numbers from ROHM if this component is obsolete. Compare pinouts and electrical characteristics with potential replacements. Verify functional equivalence for all seven channels. Ensure package compatibility to avoid PCB redesign. Consult manufacturer discontinuation notices for recommended alternatives.
