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Product Detailed Parameters
- Description：IC MOTOR DRIVER 6V-28V 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：1A
- Voltage - Supply：6V ~ 28V
- 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 BA6423AF-E2 is a bipolar motor driver manufactured by Rohm Semiconductor, designed for single-phase brushless DC (BLDC) fan applications. It operates within a supply voltage range of 6 V to 28 V and delivers an output current of 200 mA. The device functions with a typical operating supply current of 5.4 mA and supports logic levels compatible with standard bipolar inputs. It is housed in an 8-SOP surface-mount package and is rated for an operating temperature range from -40 °C to +100 °C.
Feature Summary
- Integrated bipolar motor driver architecture optimized for single-phase BLDC fan control
- Operates across a wide supply voltage range from 6 V to 28 V
- Supports surface-mount installation via an 8-SOP package format
Applications
- Single-phase brushless DC (BLDC) fan motor control
- Bipolar logic interface motor driving circuits
- Thermal management systems requiring low-power motor actuation
Procurement Notes
This component has been officially discontinued by the manufacturer, with end-of-life notifications indicating production cessation. Procurement is restricted to remaining stock or authorized distributors holding legacy inventory. Verification of part authenticity and storage conditions is critical due to the obsolescence status. Designers should prioritize the manufacturer-recommended replacement BD69830FV-GE2 for new implementations to ensure long-term supply stability.
Selection Notes
Selection of this component is limited to maintenance or repair scenarios where existing designs rely on its specific 8-SOP footprint and bipolar drive characteristics. Engineers must evaluate the thermal performance at the maximum operating temperature of 100 °C when designing heat dissipation strategies. The 200 mA output capability defines the load constraints, necessitating verification that connected fan motors do not exceed this current threshold during startup or stall conditions.
Part Context
The BA6423AF-E2 belongs to the BA6423AF series of motor drivers produced by Rohm Semiconductor. This series targets low-power motor control applications, specifically focusing on cooling fans and small actuators. The device integrates the necessary driver stages to handle bipolar logic inputs directly, simplifying circuit design by reducing the need for external interface components compared to discrete solutions.
Replacement Considerations
The manufacturer recommends the BD69830FV-GE2 as the direct substitute. This alternative maintains compatibility with similar motor driver requirements while addressing the discontinuation of the original part. Designers should verify pinout alignment and electrical specifications against the new datasheet before implementation.
