MC34929 Freescale Semiconductor, MC34929 Datasheet - Page 4

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

Table 1. 34929 Pin Definitions (continued)
4
34929
PIN CONNECTIONS
Pin Number
19
20
21
22
11
24
18
Pin Name
3XTACH
ISENS
TACH
PWM
GND
RUN
DIR
Pin Function
OUTPUT
OUTPUT
RETURN
INPUT
INPUT
INPUT
INPUT
3X TACH OUTPUT
PWM OR ENABLE
CURRENT SENSE
SIGNAL GROUND
TACH OUTPUT
Formal Name
DIRECTION
RUN
RUN/STOP CONTROL INPUT (ACTIVE LOW = MOTOR RUNNING)
OPEN-DRAIN-BUFFERED OUTPUT OF SENSOR ‘AB’
OPEN-DRAIN-BUFFERED, EXOR’ED OUTPUT OF ALL THREE
SENSORS
DIRECTION CONTROL INPUT (ACTIVE LOW = CW ROTATION)
SIGNAL GROUND FOR DEVICE
PWM SIGNAL INPUT (ACTIVE LOW = OUTPUTS ENABLED)
CURRENT LIMITING SENSE RESISTOR INPUT
Analog Integrated Circuit Device Data
Definition
Freescale Semiconductor