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

3.2.3 Selecting RMP_1 and RMP_2 Pin Resistors

Select the appropriate RMP_1 and RMP_2 resistors using Table 3-11 and Table 3-12 based on the selected motor startup profile and motor startup method in Section 3.2.1 and Section 3.2.2.

Table 3-11 RMP_1 Pin Resistor Values

Pin

Motor Startup Profile

 Startup Method Resistor Value

RMP_1

Ultra-high inertia

Double align

Tied to GND
IPD62 kΩ, ±5%
Very high inertiaDouble align4.7 kΩ, ±5%
IPD75 kΩ, ±5%
High inertiaDouble align10 kΩ, ±5%
IPD91 kΩ, ±5%
Low accelerationDouble align15 kΩ, ±5%
IPD110 kΩ, ±5%
Medium accelerationDouble align22 kΩ, ±5%
IPD150 kΩ, ±5%
High accelerationDouble align30 kΩ, ±5%
IPD200 kΩ, ±5%
Very high accelerationDouble align39 kΩ, ±5%
IPD240 kΩ, ±5%
Ultra-high accelerationDouble align51 kΩ, ±5%
IPD300 kΩ, ±5%
Table 3-12 RMP_2 Pin Resistor Values

Pin

 Motor Startup Profile Startup Method Resistor Value
RMP_2All profiles

IPD and Double align

4.7 kΩ, ±5%