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Product Detailed Parameters
- Description：IC MOTOR DRIVER 3V-14V 8SOP
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Motor Type - Stepper：Bipolar
- Motor Type - AC, DC：Brushless DC (BLDC)
- Function：Driver - Fully Integrated, Control and Power Stage
- Output Configuration：Half Bridge (2)
- Interface：Logic
- Technology：Bipolar
- Step Resolution：-
- Applications：Fan Motor Driver
- Current - Output：700mA
- Voltage - Supply：3V ~ 14V
- Voltage - Load：-
- Operating Temperature：-40°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.173", 4.40mm Width)
- Supplier Device Package：8-SOP
- Grade：-
- Qualification：-
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Overview
The BA6908F-E2 is a single-phase bipolar motor driver manufactured by ROHM Semiconductor, designed for fan and motion control applications. It integrates full control and power stages in an 8-SOP surface-mount package. The device supports a supply voltage range of 3V to 14V and delivers an output current of 700mA. It operates within a temperature range of -40°C to +85°C or +100°C depending on the specific documentation source. The component utilizes bipolar logic interfaces and features two half-bridge outputs. It is classified under PMIC - Power Management ICs and is currently marked as obsolete with discontinuation notifications issued.
Feature Summary
- Fully integrated design combining control and power stages for BLDC motors
- Supports bipolar logic interface for simplified control
- Compact 8-SOP surface-mount packaging for space-constrained designs
Applications
- Fan motor drivers
- Single-phase full-wave motor control
- Bipolar stepper motor driving
Procurement Notes
This component is officially listed as obsolete and discontinued by the manufacturer. Availability is restricted to remaining stock or third-party distributors, with no new production units available from ROHM. Verification of authenticity and lot traceability is critical when sourcing from non-authorized channels. Buyers should confirm the exact condition and storage history of available inventory prior to purchase to ensure reliability.
Selection Notes
Engineers should consider this part only for legacy system maintenance or replacement where form-factor compatibility is mandatory. Due to its obsolete status, long-term supply chain stability is not guaranteed. Design reviews must account for potential end-of-life constraints and verify that alternative components meet identical pinout and thermal requirements if migration is planned.
Part Context
The BA6908F-E2 belongs to the BA6908F series of single-phase motor drivers from ROHM. It is categorized under Motor / Motion / Ignition Controllers & Drivers within the PMIC family. The device is specifically engineered for low-power fan applications requiring integrated drive capabilities without external power transistors.
Replacement Considerations
The BD6981FVM-GTR is identified as a manufacturer-recommended substitute for the BA6908F-E2. This alternative offers high-speed drive capabilities and may require schematic review to ensure compatibility with existing control logic and thermal management systems.
