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TSU8111 Datasheet(PDF) 2 Page - Texas Instruments |
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TSU8111 Datasheet(HTML) 2 Page - Texas Instruments |
2 / 6 page UART USB Micro USB DP_HT TxD RxD TSU8111 SWITCH MATRIX DM_HT VBUS DM_CON DP_CON ID_CON Charger Detection Sources And Comp’s Accessory ID Detection ADC I2C Interface & Hardware Control VBUS DP DM ID Buffers and/or Comparators JIG INTB SDA SCL VDDIO BOOT I2C Interface Switches RxD TxD USB_DM USB_DP State Machine Switch Ctrl VBAT CHARGER IC VLDO LOW DROPOUT REGULATOR TSU8111 SCDS335 – SEPTEMBER 2012 www.ti.com This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage. ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications. DESCRIPTION The TSU8111 is a differential high performance automated SP2T switch with impedance detection and integrated Li-Ion linear charger device targeted at space-limited portable applications. The switch features impedance detection which supports the detection of various accessories that are attached through DP, DM and ID. The charger detection satisfies USB charger specification v1.1. VBUS has 28V tolerance to avoid external protection. The device operates from either a USB port or dedicated charger and supports charge currents up to 950mA. Power for this device is supplied through VBAT of the system or through VBUS when attached. The switch is controlled by automatic detection logic or through I2C manually. JIG and BOOT pins are used when a USB, UART JIG cable is used to test in the development and manufacturing. TSU8111 has open-drain JIG output (active low). BLOCK DIAGRAM SWITCH MATRIX 2 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated |
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