tbs electronics TDCi-CH Series Isolated DC/DC Chargers Installation Guide
- June 6, 2024
- tbs electronics
Table of Contents
tbs electronics TDCi-CH Series Isolated DC/DC Chargers
INSTALLATION GUIDE
Warning: Please read this document very carefully to avoid DC/DC
converter malfunction, equipment damage and/or fire hazards!
Caution: Limitations of use: do not use in connection with life support
systems or other medical equipment or devices. To be installed only by
qualified technicians.
Introduction
The TDCi-CH series are based on the standard TDCi products but are equipped with automated battery-charging functionality. This enables the possibility to charge a battery connected to the output from another battery connected to the input. The TDCi-CH models are galvanically isolated, which means that the input and output circuits are not electrically connected to each other.
Installation
- Check if the input voltage range of this model is compa ble with your DC source (ba ery or power supply)
- The TDCi-CH must be mounted in a cool, dry indoor loca on
- For models with 12V/20A output use 4mm² cable size for both input and output wiring. For models with 24V/10A output use 4mm² for input wiring and at least 2.5mm² for output wiring.
- Always install fuses at the input and output. If no fuses are used then warranty is void
- First connect the nega ve input and output to the corresponding nega ve input and output terminals of the converter. A en on: A bad nega ve connec on could make the output voltage equal to the input voltage!
- Now connect the posi ve input cable, via a suitably rated fuse, to the posi ve input terminal
- Check if the output voltage of the unit meets the requirements of the ba ery to be charged. When these requirements are met, you can now safely connect the ba ery to posi ve output terminal through a suitably rated fuse.
Operation
The TDCi-CH has three different modes: “Charge”, “Standby” and “Off”. Once
connected, the converter will be in the “Off mode”. In this mode, the converter
will output 0V and the yellow (input) LED will flash once per second. The green
(output) LED is off. When the input voltage is above 11.8V (or 23.6V for 24V
input model) for at least 5 seconds, the converter will automa cally jump to
the “Charge mode”. In this mode the converter supplies 14.4V (or 28.8V for 24V
output model) and both the yellow (input) and the green (output) LEDs are on.
When during the charge process the ba ery (output-) voltage has reached 14.2V
(or 28.4V for 24V output model), a mer will start that will run for one hour.
Aer one hour, the converter will jump to the “Standby mode”. In this mode the
output voltage will be set to 13.7V (or 27.4V for 24V output model) and both
the yellow and green LEDs are lit.
The TDCi-CH will restart this charge process again when:
- The output voltage drops below 13.2V (or 26.4V for 24V output model) for 5 seconds.
- Or when the TDCi-CH has been in the “Standby mode” for 24 consecu ve hours.
During opera on in the “Charge mode” or “Standby mode”, the TDCi-CH will automa cally jump to the “Off mode” when:-
- The input voltage drops below 11.6V (or 23.2V for 24V input model) for 10 seconds.
- Or the input voltage drops below 11.8V (or 23.6V for 24V input model) for 5 minutes.
Specification & fuse rating table
Model| In/out isolation| Vin range| Input fuse| Vout| Iout| Output fuse|
Standby current| Operating temp.| Connections| Dimensions| Weight
---|---|---|---|---|---|---|---|---|---|---|---
TDCi-12/12-20CH| Yes| 9…18Vdc| 35A| 14.4Vdc| 20A| 25A| ± 20mA| -10° … +40°C|
6.3mm Faston| 190x132x83mm| 1.31kg
TDCi-12/24-10CH| 28.8Vdc| 10A| 15A
Wiring diagram
Declara on of conformity
-
Manufacturer: : TBS Electronics BV
-
Address: : De Marowijne 3
1689AR, Zwaag The Netherlands -
declares that the following products:
-
Product type: DC/DC Charger
-
Models: : TDCi-CH series conforms to the requirements of the following EU direc ves:
-
EMC direc ve 2014/30/EU
-
RoHS direc ve 2011/65/EU
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