SLVUCC2 October   2021 MCT8316A

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Hardware Setup
      1. 1.1.1 Jumper Configuration
      2. 1.1.2 External Connections
  3. 2Quick Tuning
  4. 3Comprehensive Tuning
    1. 3.1 Cycle by cycle current limit
      1. 3.1.1 Selecting ILIMIT Pin Resistor
    2. 3.2 Motor Startup Settings
      1. 3.2.1 Motor Startup Profile
      2. 3.2.2 Motor startup method
        1. 3.2.2.1 Initial Position detect (IPD)
        2. 3.2.2.2 Double align
      3. 3.2.3 Selecting RMP_1 and RMP_2 Pin Resistors
    3. 3.3 Abnormal Speed Threshold
      1. 3.3.1 Selecting CONFIG_3 Pin Resistor
    4. 3.4 PWM Switching Frequency
      1. 3.4.1 Selecting CONFIG_1 Pin Resistor
    5. 3.5 Lead Angle
      1. 3.5.1 Steps to Tune Lead Angle
      2. 3.5.2 Selecting LDANGLE pin resistor
    6. 3.6 Slew Rate and Buck Voltage
      1. 3.6.1 Selecting SLEW_RATE Pin Resistor
  5. 4Revision History

3.4.1 Selecting CONFIG_1 Pin Resistor

Select appropriate CONFIG_1 pin resistor from Table 3-14 based on the recommendations provided to select PWM switching frequency.

Table 3-14 CONFIG_1 pin resistor values

Pin

 PWM switching frequency

(kHz)

 CONFIG_1 pin resistor value
CONFIG_1

10

Tie to GND

20

10 kΩ, ±5%

25

22 kΩ, ±5%

40

39 kΩ, ±5%

50

62 kΩ, ±5%

60

91 kΩ, ±5%

75

150 kΩ, ±5%

100

240 kΩ, ±5%