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P9221-R Datasheet(PDF) 5 Page - Integrated Device Technology |
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P9221-R Datasheet(HTML) 5 Page - Integrated Device Technology |
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5 / 35 page ![]() P9221-R Datasheet © 2017 Integrated Device Technology, Inc. 5 April 4, 2017 1. Pin Assignments Figure 1. Pin Assignments COMM1 RSV4 GND OUT ALIGNX ALIGNY SINK OUT SCL SDA INT OUT VOSET ILIM RPPO OUT RPPG DEN OUT COMM2 RSV5 GND OUT A B C D E F 1 2 3 4 5 6 AC1 RSV3 TS AC2 BST2 G BST1 AC1 RSV2 RSV1 AC2 AC2 H AC1 GND GND GND GND GND GND J Bottom View EN VDD18 VDD5V VRECT VRECT VRECT VRECT VRECT VRECT VRECT VRECT 2. Pin Descriptions Table 1. Pin Descriptions Pins Name Type Function A1 COMM1 O Open-drain output used to communicate with the transmitter. Connect a 47nF capacitor from AC1 to COMM1. A2 ALIGNX I AC input for coil alignment guide. If not used, connect to GND through a 10kΩ resistor. A3 SCL I I2C clock pin. Open-drain output. Connect a 5.1kΩ resistor to VDD18 pin. A4 VOSET I Programming pin for setting the output voltage. Connect this pin to the center tap of a resistor divider to set the output voltage. For more information, refer to section 8.2 for different output voltage settings. |
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