upd16858b Renesas Electronics Corporation., upd16858b Datasheet - Page 9

• Manufacturer Part Number: upd16858b
• Description: Three-phase Spindle Motor Driver For Monolithic Cd-rom
• Manufacturer: Renesas Electronics Corporation.

TIMING CHARTS
(2) CMP signal
(1) Hole signal input
(3) Output MOS FET driving and comparator selection (blank: switch OFF)
Q1
Q2
Q3
Q4
Q5
Q6
The high-side MOS FET at the output stage of the PD16858C performs synchronous switching (switching
in parentheses).
The high-side MOS FET of the PD16858B does not perform switching in parentheses but is in the OFF state.
IND pulse output
(SW)
SW
ON
H
H
H
(pin 1)
CMP0
CMP1
CMP2
(SW)
0
1
2
SW
ON
(SW)
SW
ON
(SW)
SW
ON
(SW)
ON
SW
Data Sheet S13480EJ3V0DS00
(SW)
ON
SW
(SW)
SW
ON
(SW)
SW
ON
(SW)
SW
ON
(SW)
SW
ON
(SW)
SW
ON
PD16858B/C
(SW)
SW
ON
(SW)
SW
ON
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