Dc/Dc Converter - Bosch e-GoKart PowerTrain Young Star Manual

4 | Component Description
4.4.1 Technical Data
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The power connection is realized via B+ and B- bolts designed as a threaded pin. The pro-
tective cap covers phase connections and internal phase wires of the Power Unit PU 5-10.
Correct wiring of the Power Unit PU 5-10 especially to the Energy Storages ES 5-2.4 is es-
sential. Self-protection of the Power Unit PU 5-10 cannot be guaranteed for incorrect wir-
ing. The pulley or coupling can be fastened to the e-GoKart Drive unit shaft by a nut. The
Power Unit PU 5-10 is mounted by isolated screws to accessory bracket(s) in the vehicle.
Screws for mounting the Power Unit PU 5-10 and the accessory brackets are not in the
BOSCH MOTORSPORT scope of delivery.
Illustration 16: Pulley mounting

4.4 DC/DC Converter

The main function of the unidirectional DC/DC converter is the power transfer from 48 V
to 12 V. The DC/DC converter provides the supply power for all 12 V loads in the system
and charges the 12 V battery. For Europe the maximum charge voltage is 13.8 V depend-
ing on the state of health of the 12 V battery and the ambient temperature.
Illustration 17: DC/DC converter
The dimensions of the converter are 68.9 x 140.0 x 29.5 mm. The weight of the converter
is <400 g. For further information, see offer drawing.
Key data:
– Operating state: buck mode (input to output),
– rated power (continuous): 150 W,
e-GoKart_Powertrain__Young_Star__Manual Bosch Motorsport