UPD16873A 데이터 시트보기 (PDF) - NEC => Renesas Technology

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UPD16873A

MONOLITHIC 3-ASPECT SPINDLE MOTOR DRIVER

NEC => Renesas Technology 

TIMING CHART

(1) Hall signal input

H0

H1

H2

µPD16873/A/B/C

(2) CMP signal

CMP0

CMP1

CMP2

IND

(873A/873B)

IND

(873/873C)

(3) Output MOSFET drive and comparator choice

Q1

(SW) (SW)

ON ON

(SW) (SW)

ON ON

Q2

SW SW

SW SW

Q3 (SW)

ON ON

(SW) (SW)

ON ON

(SW) (SW)

Q4 SW

SW SW

SW SW

Q5 ON ON

(SW) (SW)

ON ON

(SW) (SW)

ON

Q6

SW SW

SW SW

Remark µPD16873/A are not synchronous switching. (Normal type PWM)

µPD16873B/C are synchronous switching of high-side MOSFET. (Synchronous type PWM)

10

Data Sheet S13870EJ1V0DS00

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