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BA5979S Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
BA5979SROHM458Yes

Part Number:** BA5979S **Manufacturer:** ROHM ### **Specifications:** - **Type:** Motor Driver IC - **Function:** 3-phase brushless motor driver - **Output Configuration:** Pre-driver (requires external power transistors) - **Supply Voltage

Part Number: BA5979S

Manufacturer: ROHM

Specifications:

  • Type: Motor Driver IC
  • Function: 3-phase brushless motor driver
  • Output Configuration: Pre-driver (requires external power transistors)
  • Supply Voltage (VCC): 4.5V to 16V
  • Output Current: N/A (depends on external FETs)
  • Control Method: PWM (Pulse Width Modulation)
  • Protection Features: Overcurrent protection (OCP), thermal shutdown (TSD)
  • Package: HSOP28 (Heat-Sink Small Outline Package, 28-pin)
  • Operating Temperature Range: -40°C to +85°C

Descriptions:

The BA5979S is a 3-phase brushless motor driver IC designed for controlling motors in applications such as optical disk drives, printers, and other precision motor systems. It includes built-in protection features and supports PWM control for efficient motor driving.

Features:

  • Supports sensorless and Hall sensor-based motor control
  • Built-in FG (Frequency Generator) output for speed detection
  • Low standby current consumption
  • Soft switching for reduced noise
  • Adjustable PWM frequency
  • Under-voltage lockout (UVLO) protection

This information is based on ROHM's official datasheet for the BA5979S. For detailed application notes, refer to the manufacturer's documentation.

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