Data Sheet S15840EJ2V0DS

10

Reset function

When RESET = “L”, initialization is executed and the output goes into a Hi-Z state. When RESET = “H”, excitation

is started with the current of ch1 at +100% and the current of ch2 at 0% (one-phase excitation position). To perform

two-phase excitation driving, excitation is started with the currents of ch1 and ch2 at +100% after the mode has been

set. Be sure to execute a reset operation after power application. MOB outputs “L” until the pulse is output when

RESET goes “L”.

Output enable (OE) pin

The pulse output can be forcibly stopped from an external source by using the OE pin. When OE = “L”, the output

is forcibly made to go into a Hi-Z state.

Standby function

The

STOP = “H”. In the standby mode, as many internal circuits as possible are stopped so that the self current

consumption can be reduced. In the standby mode, the current consumption is 1

stopped. While CLK is being input, the current consumption is reduced to 300

input buffer. The standby mode is released when PS = “L” and STOP = “L”.

Under voltage lockout circuit (UVLO)

A current of up to 3

be monitored.