UM0582

Getting started

Doc ID 14969 Rev 1

5/24

1.2.1

On-board components

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The major components present on the motherboard are:

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ST72651AR6 microcontroller

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M24C02-W EEPROM

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STBC08 battery charger

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L6920 buck converter

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ST2329 voltage translator

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Jumper for connecting the Li-Ion battery

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Jumpers to select the power supply mode (external supply or battery supply)

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Jumper to connect external power supply

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Mini USB jacket for USB connection

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Programmable switches S1 and S2

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Reset switch SW1

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Major blocks present on the daughterboard are:

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STCF03 white LED driver

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White LED

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Red auxiliary LED

1.3

Power supply selection

The STEVAL-TLL005V1 can be powered either by a mobile Li-Ion battery (battery mode), or

an external 5 V DC power supply (external power supply mode).

Selection of the required power mode is made using jumper J2.

External power mode selection

If using an external 5 V DC power supply to power the demonstration board, perform the

following steps:

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Connect the external DC power supply across header H4.

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Position the jumper across pins 1-2 of J2, as shown in Figure 4.