In modern cars, there are many actuators and pumps driven by DC electric motors which require relatively high current along with precise duty cycle control and direction. A few examples are variable valve lift mechanisms, multiple ITBs using one control unit and power windows. Sometimes the best option is to use remotely installed high current H-Bridges.
Our new module consists of two 10A H-Bridges controlled directly or via CAN messages. This solution is perfect for BMW ITB electronic throttles (quite a high current required) when the module acts as a bridge between an aftermarket ECU and the throttle.Another common installation is in a door, where one H-Bridge can operate power windows and second lock functionality.
This device can also be used as a high current general purpose output expander (4 x 10A high side / low side outputs) for engine management systems. CNC machined aluminium enclosure facilitates perfect heat dissipation and environmental protection which is a key factor of product reliability.
The CAN H-Bridge device contains two independent H-Bridges with over-current and short circuit protection, capable of 10A continuous current and 30A peak current. H-Bridges can be controlled via device inputs or CAN bus messages.
- Voltage range: 6V – 28V (12V and 24V automotive installations)
- Output current: 10A continuous, 30A peak
- 4 analogue (0-5V) / digital (35Hz – 200Hz PWM) inputs
- Output PWM: 12bit 3.9kHz
The CAN H-Bridge device can be used to supply protected low side (GND) or high side (VBat) supply independently to each of 4 outputs for bidirectional DC motor control. Low side outputs can be PWM modulated on per-bridge basis.
Common Use Cases Are:
- Power windows
- High current electronic throttle body amplifier
The dual H-Bridge device must be programmed using a CAN interface. The ECUMaster USB to CAN, Kvaser, or Peak PCAN may be used.
What’s in the box?
- Can H-Bridge Module
- 24 Position connector with terminals
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Patrick (已購買) –
Impeccable service as always.