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Product Detailed Parameters
- Description：IC MOTOR DRIVER 5.5V-16V 20SSOP
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Motor Type - Stepper：-
- Motor Type - AC, DC：Brushless DC (BLDC)
- Function：Controller - Commutation, Direction Management
- Output Configuration：Pre-Driver - Half Bridge (3)
- Interface：PWM
- Technology：-
- Step Resolution：-
- Applications：Fan Motor Driver
- Current - Output：10mA
- Voltage - Supply：5.5V ~ 16V
- Voltage - Load：20V
- Operating Temperature：-25°C ~ 95°C (TA)
- Mounting Type：Surface Mount
- Package / Case：20-LFSOP (0.173", 4.40mm Width)
- Supplier Device Package：20-SSOP-C
- Grade：-
- Qualification：-
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Overview
The BD63441AFU-E2 is a three-phase pre-driver for brushless DC motors manufactured by ROHM Semiconductor. It operates within a supply voltage range of 5.5 V to 16 V and draws an operating supply current of 7 mA. The device features an output current capability of 10 mA and supports a maximum output voltage of 20 V. Designed for surface mount installation, it utilizes an SSOP-C-20 package with a power dissipation rating of 874.7 mW. The component functions reliably across a temperature range of -25°C to +95°C.
Feature Summary
- Provides pre-driver functionality for three-phase brushless DC motor applications
- Integrates PWM control interface capabilities for motor drive signals
Applications
- Three-phase fan motor driver systems
- Brushless DC motor control circuits
- Motion control modules requiring pre-driver stages
Procurement Notes
Verify the lifecycle status before procurement as this component is marked as Not Recommended for New Designs (NRND). Confirm that the SSOP-C-20 package dimensions align with existing PCB footprints. Ensure the operating voltage range of 5.5 V to 16 V matches the system power supply specifications. Check for RoHS compliance documentation if environmental regulations apply to the final assembly.
Selection Notes
Select this component when a dedicated pre-driver stage is required for three-phase BLDC applications. The 10 mA output current suits low-power gate driving tasks. Consider the thermal performance given the 874.7 mW power dissipation limit in the SSOP-C-20 package. Verify compatibility with the target PWM signal frequencies and logic levels provided by the main controller.
Part Context
This part belongs to the ROHM Motor / Motion / Ignition Controllers & Drivers category, specifically under Brushless DC Motor Controllers. It serves as a specialized integrated circuit designed to interface between microcontroller logic and high-power motor phases. The product line focuses on efficient motion control solutions for compact electronic devices.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. As the component is designated as Not Recommended for New Designs, alternative sourcing may require evaluating discontinued stock or consulting manufacturer recommendations for legacy replacements.
