MC34929 Freescale Semiconductor, MC34929 Datasheet - Page 2

• Manufacturer Part Number: MC34929
• Description: Brushless DC 1.0 AMP 28 VOLT Motor Driver IC
• Manufacturer: Freescale Semiconductor

2
34929
INTERNAL BLOCK DIAGRAM
3XTACH
TACH
PWM
RUN
GND
DIR
CT
V+
Regs &
V Ref
V5V
V5V
V5V
V Ref
V
DD
VCC
Input
Protection
Figure 2. 34929 Simplified Internal Block Diagram
INTERNAL BLOCK DIAGRAM
V
TLIM
UVLO
Stall
Det
VGHS
CP+
Gate Drive
Gate Drive
High Side
Low Side
Charge
Pump
O
G
CP-
Control
Logic
SC Det
CRES
HCA
HBC
HAB
V+
ILIM
Analog Integrated Circuit Device Data
Q2
Q1
Q3
Q4
Freescale Semiconductor
Q5
Q6
PHC
HCA+
HCA-
PHB
PHA
ISENS
PGND
HAB+
HAB-
VH
HBC+
HBC-
LSS