TMCM-1630 Hardware Manual (Rev. 1.03 / 2012-JUL-03)

12

www.trinamic.com

5.2.3 Open drain outputs

The module offers three open drain outputs. Two of them (LED-Temp and LED-Curlim) power on-board LEDs,

also. Please refer to paragraph 6 for more information about the LEDs.

Pin Label

Description

6

Tacho

This pin outputs a tacho impulse, i.e. toggles on each hall sensor

change

8

LED-Temp

+5V TTL output: Toggling with 3Hz when temperature pre-warning

threshold is exceeded, low when module shut down due to

overtemperature

9

LED-Curlim Low when module goes into current limiting mode

Table 5.6: Outputs of the TMCM-1630

GND

GND

Header

Tacho

LED-Temp

LED-Curlim

1kOO/1%

+VM

+5V

Figure 5.4: Internal circuit of the outputs