MTD6505_14 Datasheet, PDF (9/22 Pages) Microchip Technology – 3-Phase Sinusoidal Sensorless Brushless Motor Driver

MTD6505
3.0 PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 3-1.
TABLE 3-1: MTD6505 PIN FUNCTION TABLE
Pin
Number
Type
Name
Function
1
O
FG Motor Speed Indication Output Pin
2
I
R_PROG K_M Parameter Setting with External Resistors Pin, see Table 4-2 for values
3
—
V_BIAS Internal Regulator Output Pin (for decoupling only)
4
O
OUT1 Single-Phase Coil Output Pin
5
O
OUT2 Single-Phase Coil Output Pin
6
—
GND Negative Voltage Supply Pin (ground)
7
O
OUT3 Single-Phase Coil Output Pin
8
—
V_DD Positive Voltage Supply Pin for Motor Driver
9
I
DIR Motor Rotation Direction Pin
- Forward direction: connect this pin to GND or leave floating
- Reverse direction: connect this pin to V_BIAS
10
I
PWM PWM Input Signal Pin for Speed Control
11
—
EP Exposed Thermal Pad Pin (Connect to the ground plan for better thermal
dissipation)
Legend: I = Input; O = Output
 2011-2014 Microchip Technology Inc.
DS20002281C-page 9