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TSU6111RSVR Datasheet(PDF) 8 Page - Texas Instruments |
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TSU6111RSVR Datasheet(HTML) 8 Page - Texas Instruments |
8 / 32 page TSU6111A SCDS331 – FEBRUARY 2012 www.ti.com GENERAL OPERATION The TSU6111A will automatically detect accessories plugged into the phone via the mini/micro USB 5 pin connector. The type of accessory detected will be stored in I2C registers within the TSU6111A for retrieval by the host. The TSU6111A has a network of switches that are automatically opened and closed based on the accessory detection. See Table 1 for details of which switches are open during each mode of operation. The TSU6111A also offers a manual switching mode that allows the host processor to decide which switches should be opened and closed. The manual switching settings are executed through the I2C interface. STANDBY MODE Standby mode is the default mode upon power up and occurs when no accessory has been detected. During this mode, the VBUS and ID lines are continually monitored through comparators to determine when an accessory is inserted. Power consumption is minimal during standby mode. POWER SUPERVISOR TSU6111A uses VBAT as the primary supply voltage. VBUS is the secondary supply. VDDIO is used for I2C communication. Table 1. Function Table TSU6111A VBAT VBUS VDDIO DETECTION I2C COMMENTS Yes No No Enabled Not enabled VBAT is supply Yes Yes No Enabled Not enabled VBAT is supply Yes No Yes Enabled Enabled VBAT is supply Yes Yes Yes Enabled Enabled VBAT is supply No Yes No Enabled Not enabled VBUS is supply No Yes Yes Not valid No No Yes Not valid No No No Power Down Reset 8 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated Product Folder Link(s): TSU6111A |
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