The module can be powered by the B2B connector or the USB connector. If both power supplies are available, the B2B connector power supply takes precedence, disabling the USB power supply automatically.
B2B Connector Power Suplly
The B2B connector power supply requires a single nominal 5 V DC power supply. The power is usually supplied to the module through the 5 V contacts (5Vb2b) of the B2B connectors J5 (see Appendix). The recommended minimum supply voltage is 4 V. The maximum supply voltage is 5.5 V. The recommended maximum continuous supply current is 1.5 A.
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