5v Hard Disk Drive Power Combo

The L6245 contains in a single chip all the func- tions to operate a sensorless brushless (DC) mo- tor and a voice coil motor, suitable for hard disk drive applications. The device is configured to Interface directly to an 8 bit parallel Microprocessor bus, and has a Register based architecture to reduce number of interconnection lines. All the positioning loop for sensorless spindle is integrated, including BEMF sensing, digital masking, digital delay and se- quencing. All Timing function are performed digi- tally, thus no external filtering components are re- quired. The VCM driver is a transconductance Amplifier able to provide 2 different current ranges, suitable for seeking or tracking of the head actuator. When a low voltage is detected, a monitor, in se- quence, resets the internal Registers puts in tris- tate the spindle powers, retracts the actuator, and applies the dynamic brake of the spindle. The L6245 is realized in Multipower-BCD 2 tech- nology, which combine isolate DMOS power tran- sistors with CMOS and Bipolar circuits in the same monolithic layer, and is assembled in a 64- pin PQFP. By STMicroelectronics
L6245 's PackagesL6245 's pdf datasheet



L6245 Pinout, Pinouts
L6245 pinout,Pin out
This is one package pinout of L6245,If you need more pinouts please download L6245's pdf datasheet.

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