RIGADO R41Z-EVAL, Руководство пользователя

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R41Z-EVAL User Guide Rev 2.0
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Figure 19 below shows the Power Configuration Jumpers in Boost mode with solder jumpers across
JMODE and JLP. JMODE features a white dot, highlighted by a red circle below, to indicate the default
bridged connection. Do not bridge all three pads of jumper JMODE.
Figure 19 – Power Configuration Jumpers (Boost Mode)
6.1.4 Measuring Power Consumption
When operating the R41Z Evaluation Board in DC-DC power mode, the board power source (LDO
regulator, coin cell, or external power) directly powers both the R41Z module but also all onboard
peripheral devices and provides expansion shield power. However, when operating in either Buck or
Boost DC-DC Mode, the R41Z module supplies regulated power to the peripheral devices and shield.
This makes it difficult to directly measure the power consumption of just the R41Z module. The
Evaluation Board features two current measurement headers that allow direct measurement of total
current and peripheral current. The current consumption of only the R41Z Module can be indirectly
measured by subtracting the peripheral current from the system current reading.
Figure 20 – Schematic: Current Measurement Headers