Diversion charge controllers are typically used when the charging source requires a constant load, such as a wind or hydroelectric generator. When the battery charges to the designated Absorption voltage, the controller begins to divert current (excess power) to a connected diversion/dump load, typically a resistor bank or heating element. The controller adjusts diversion current flow to ensure proper battery charge regulation.

Traditional PWM vs Morningstar’s TrakStar™ MPPT Technology

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TriStar MPPT Processor A Firmware Update

v32b Firmware and above addresses EEprom access bugfix causing watchdog trip and subsequent lowside FET turn on.  This issue is generally limited to Controllers installed in applications utilizing all, or most, of the following items in the design.  -High I/O of Communications, -Read/Write of vb_ref register (0x0033), -Read/Write of ib_ref register (0x0058), -Write of battery current limit (0xE01D), -Coil command restart of controller, -48V Systems, -Oversized Arrays.  The following link provides instructions on updating firmware:   https://www.youtube.com/watch?v=J6Duwr5Tl-w&t=10s

 

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