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Product Detailed Parameters
- Description：IC MTR DRIVER 14.5V-17.5V 48SQFP
- Series：-
- Mfr：Vishay Siliconix
- Package：Tray
- Motor Type - Stepper：-
- Motor Type - AC, DC：Brushless DC (BLDC)
- Function：Controller - Commutation, Direction Management
- Output Configuration：Pre-Driver - Half Bridge (3)
- Interface：Parallel
- Technology：Power MOSFET
- Step Resolution：-
- Applications：General Purpose
- Current - Output：-
- Voltage - Supply：14.5V ~ 17.5V
- Voltage - Load：-
- Operating Temperature：0°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：48-LQFP
- Supplier Device Package：48-SQFP (7x7)
- Grade：-
- Qualification：-
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Overview
The SI9979CS-E3 is a three-phase brushless DC motor controller manufactured by Vishay Siliconix. It operates within a temperature range of 0°C to +70°C and draws a working supply current of 4.5 mA. The component is housed in an SQFP-48 surface-mount package. Classified under PMIC - Power Management ICs, it serves as a dedicated driver for motion control applications requiring precise phase management.
Feature Summary
- Integrated control architecture designed specifically for three-phase brushless DC motor systems
- Surface-mount construction facilitating automated assembly processes
- Low power consumption profile suitable for battery-operated or efficiency-critical designs
Applications
- High-speed BLDCM driving circuits
- Motion control systems
- Industrial automation drives
Procurement Notes
Verify End-of-Life status before design finalization. Confirm RoHS compliance details via official datasheet. Check regional distribution restrictions as availability may vary. Validate SQFP-48 footprint compatibility with PCB layout tools prior to procurement commitment.
Selection Notes
Select this component for applications requiring integrated three-phase BLDC control without external microcontroller complexity. Ensure operating temperature requirements align with the 0°C to +70°C specification. Verify that the 4.5 mA supply current meets system power budget constraints.
Part Context
This part belongs to the Vishay Siliconix portfolio of power management integrated circuits. It falls under the Motor / Motion / Ignition Controllers & Drivers category. The manufacturer specializes in semiconductor solutions for power conversion and control applications.
Replacement Considerations
No publicly confirmed substitute part numbers are available in the provided documentation. Designers should consult Vishay technical support for potential obsolescence alternatives.
