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Energy Storage: Multi-battery Charge Equalization Circuits
Search All Applications in Energy Storage: Multi-battery Charge Equalization Circuits
Application US20190126774
Published 2019-05-02
Communication System For Battery Management Systems In Electric Or Hybrid Vehicles
A circuit can include a CAN bus and multiple nodes. The multiple nodes can reboot at the same time so that a Time 0 is set at boot for each node. Each node can store an ID node and determine from its ID node one time slot of a plurality of periodic time slots starting from Time 0 in which to transmit on the CAN bus. Each node can transmit messages on the CAN bus in its determined time slot subsequent to Time 0.
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- 1-30. (canceled)
- 31. A circuit comprising:
a controller area network (CAN) bus; and a plurality of nodes each storing a node identifier, wherein each of the plurality of nodes is configured to send messages over the CAN bus during its assigned periodic time slot and not during other time slots.
- 48. A method for sharing a controller area network (CAN) bus between a plurality of nodes, wherein a node identifier is assigned to each of the plurality of nodes, the method comprising:
dividing a CAN channel into a plurality of periodic time slots; assigning one of the plurality of periodic time slots to each node; and sending, by each of the plurality of nodes, messages during its assigned periodic time slot and not during other time slots.
