MC34929 Freescale Semiconductor, MC34929 Datasheet - Page 3

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

Table 1. 34929 Pin Definitions
Analog Integrated Circuit Device Data
Freescale Semiconductor
Pin Number
10
23
12
13
14
15
16
17
1
2
3
4
5
6
7
8
9
Pin Name
PGND
HCA+
HBC+
CRES
HAB+
HCA-
HBC-
HAB-
PHC
PHA
PHB
CP+
LSS
CP-
CT
VH
V+
COMPONENT
COMPONENT CHARGE PUMP POS
COMPONENT CHARGE PUMP NEG NEGATIVE SIDE OF CHARGE PUMPING CAP
COMPONENT
Pin Function
RETURN
OUTPUT
OUTPUT
OUTPUT
RETURN
OUTPUT
SUPPLY
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
3XTACH
PGND
TACH
PWM
RUN
DIR
LOW SIDE SOURCES COMMON SOURCE PIN FOR LOWER HALF OF BRIDGE
POSITIVE SUPPLY
PHASE C OUTPUT
PHASE A OUTPUT
PHASE B OUTPUT
POWER GROUND
RESERVOIR CAP
HALL VOLTAGE
Figure 3. 34929 Pin Connections
HALL CA NEG
HALL CA POS
HALL BC NEG
HALL BC POS
HALL AB NEG
HALL AB POS
Formal Name
TIMING CAP
PIN CONNECTIONS
18
1
17
2
16
3
RECEIVES NEGATIVE OUTPUT FROM SENSOR LOCATED
BETWEEN ‘C’ AND ‘A’ PHASES
RECEIVES POSITIVE OUTPUT FROM SENSOR LOCATED
BETWEEN ‘C’ AND ‘A’ PHASES
RECEIVES NEGATIVE OUTPUT FROM SENSOR LOCATED
BETWEEN ‘B’ AND ‘C’ PHASES
RECEIVES POSITIVE OUTPUT FROM SENSOR LOCATED
BETWEEN ‘B’ AND ‘C’ PHASES
RECEIVES NEGATIVE OUTPUT FROM SENSOR LOCATED
BETWEEN ‘A’ AND ‘B’ PHASES
RECEIVES POSITIVE OUTPUT FROM SENSOR LOCATED
BETWEEN ‘A’ AND ‘B’ PHASES
EXTERNAL CHARGE PUMP RESEVOIR CAP
POSITIVE SIDE OF CHARGE PUMPING CAP
MAIN SUPPLY INPUT FOR DEVICE AND MOTOR
POWER GROUND
EXTERNAL CAP FOR STALL DETECT TIMING
SUPPLY VOLTAGE FOR THE EXTERNAL HALL SENSORS
HALF BRIDGE OUTPUT FOR PHASE “C” MOTOR WINDING
HALF BRIDGE OUTPUT FOR PHASE “A” MOTOR WINDING
HALF BRIDGE OUTPUT FOR PHASE “B” MOTOR WINDING
15
4
14
5
13
6
CT
GND
V+
CP-
CP+
CRES
Definition
PIN CONNECTIONS
34929
3