BA6492 Просмотр технического описания (PDF) - ROHM Semiconductor

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BA6492

FDD spindle motor driver

ROHM Semiconductor 

Motor driver ICs

FApplication example

BA6492BFS

FOperation notes

(1) Thermal shutdown circuit

This circuit shuts down all the IC currents when the chip

junction temperature is increased to about 175_C (typi-

cal). The circuit is deactivated when the temperature

drops to about 155_C (typical).

(2) Hall elements connection

Hall elements can be connected in either series or paral-

lel. When connecting in series, care must be taken not to

allow the Hall output to exceed the Hall common-mode

input range.

(3) Hall input level

Switching noise may occur if the Hall input voltage

(17X22 pin) is too high. Differential inputs of about

100mV (peak to peak) are recommended.

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