Three-Phase Bldc Drive - Motorola M68HC08 Manual

Hardware Design
Designer Reference Manual
32
Freescale Semiconductor, Inc.
Figure 5-1. Three-Phase BLDC Drive
The drive features are:
• on-board microcontroller MC68HC908QY4 with output control
logic circuitry
• 3-phase Hall sensor inputs with pull-ups and filters
• Selectable 5V
DC
• DC input 48V
DC
accommodating:
– Fuse on power line input
Hardware Design
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and 12V available on Hall sensor terminal
DC
with range form +36V
DC
to +56V
DC
DRM046 — Rev 0
MOTOROLA