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Product Detailed Parameters
- Description：IC MOTOR DRIVER 2.1V-6.5V 48UQFN
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR)
- Motor Type - Stepper：-
- Motor Type - AC, DC：Brushless DC (BLDC), Brushed DC
- Function：Driver - Fully Integrated, Control and Power Stage
- Output Configuration：Half Bridge (10)
- Interface：Parallel
- Technology：DMOS
- Step Resolution：-
- Applications：General Purpose
- Current - Output：500mA
- Voltage - Supply：2.1V ~ 6.5V
- Voltage - Load：3V ~ 13V
- Operating Temperature：-25°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：48-VFQFN
- Supplier Device Package：48-UQFN (7.2x7.2)
- Grade：-
- Qualification：-
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Overview
The BD6643KN-E2 is a fully integrated motor driver and control power stage manufactured by ROHM Semiconductor. It operates within a supply voltage range of 2.1V to 6.5V and supports load voltages from 3V to 13V. The device delivers an output current of 500mA and is housed in a 48-UQFN (7.2x7.2mm) surface-mount package. It functions as a DMOS parallel driver suitable for brushless DC (BLDC) and brushed DC motors, with an operating temperature range of -25°C to +75°C.
Feature Summary
- Fully integrated driver and control power stage for general-purpose applications
- Supports both Brushless DC (BLDC) and brushed DC motor types
- Utilizes DMOS parallel output architecture
Applications
- Brushless DC (BLDC) motor control
- Brushed DC motor drive systems
- General-purpose motor driver applications
Procurement Notes
This component is designated as End-of-Life (EOL). The manufacturer has scheduled the part for obsolescence and discontinuation. Availability is restricted, and sourcing may be limited to existing stock or third-party distributors. Verify current supply status and lead times carefully before integration planning due to the active phase-out status.
Selection Notes
Select this IC for low-voltage applications requiring a 2.1V to 6.5V supply range. Ensure the design accommodates the 48-UQFN package dimensions and moisture sensitivity requirements. Consider the 500mA output capability against load demands. Due to the EOL status, evaluate long-term supply chain stability and potential need for alternative components for future production runs.
Part Context
The BD6643KN-E2 belongs to the BD6643 series of motor drivers from ROHM Semiconductor. It is categorized under Power Management ICs (PMIC), specifically within the Motor/Motion/Ignition Controllers & Drivers subcategory. The part represents a specialized solution for compact motor control designs requiring integrated power stages.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Given the End-of-Life status, engineers should consult ROHM official resources or authorized distributors for recommended cross-reference parts or next-generation replacements.
