If LP5813 is under test, then please plug ribbon cable to USB2ANY_13 connector.

If LP5812 is under test, then please plug ribbon cable to USB2ANY_12 connector.

On the default jumper setting, users can evaluate LP5813 under the conditions below:

• Vin is provided by 3.3V from USB2ANY(Don't need external power supply).
• Synchronous boost is enabled.
• 4-SCAN TCM mode (Drive 12 LED dots with 4 outputs).

Figure 3-2 shows the default jumper settings.

Figure 2-2 Default Jumper Setting

Users can follow the jumper setting instructions below to test the LP5813/LP5812 under different operating conditions.

Figure 3-3 shows the jumper setting for LP5813 in Direct mode and enable boost function without external power supply.

Figure 2-3 LP5813 Direct Mode and Enable Boost without External Power Supply

Figure 3-4 shows the jumper setting for LP5813 in TCM mode and disable boost function.

Under this condition, the device needs to be powered by Vout instead of Vin.

Figure 2-4 LP5813 4-SCAN TCM Mode and Disable Boost with External Power Supply

Figure 3-5 shows the jumper setting for LP5812 in TCM mode without external power supply.

Figure 2-5 LP5812 4-SCAN TCM Mode without External Power Supply

Figure 3-6 shows the jumper setting for LP5812 in Direct mode without external power supply

Figure 2-6 LP5812 Direct Mode without External Power Supply

Figure 2-7 3-SCAN Mix-Drive Mode