BA6901F View Datasheet(PDF) - ROHM Semiconductor
Part Name
Description
Manufacturer
BA6901F Datasheet PDF : 21 Pages
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BA6901F
Datasheet
3) Charging and discharging pulse circuit compatible with temperature variable speed control
When an external capacitor and resistor are connected to CR terminal, saw wave is generated by charging and
discharging of capacitor corresponding to the cycle of hall signal. Saw wave of CR terminal changes with the external
capacitor and resistor. Waveform of CR terminal is output to TOUT by buffer amplifier.
CR terminal is variable from VCRCP (0.35V:typ., see the electric characteristics) to Vcc. When CR voltage is above
Vcc-VTOH (1V:typ., see the electric characteristics), CR terminal signal is not output to TOUT terminal as shown in
Fig.15.
Hall input
CR
TOUT
Vcc-VTOH
(typ.：Vcc-1V)
Hall input
VCRCP
(typ.：0.35V)
CR
VTOL
(typ.：1V)
TOUT
Fig.15 CR terminal and TOUT terminal timing chart
Vcc-VTOH
(typ.：Vcc-1V)
VCRCP
(typ.：0.35V)
Vcc-VTOH
(typ.：Vcc-1V)
VTOL
(typ.：1V)
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© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
10/17
TSZ02201-0H1H0B100500-1-2
18.DEC.2012 Rev.002
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