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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TPS658620ZQZT датащи(PDF) 35 Page - Texas Instruments |
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TPS658620ZQZT датащи(HTML) 35 Page - Texas Instruments |
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35 / 104 page  3.19 POWER PATH STATUS 3.20 BATTERY CHARGER TPS658620 Advanced Power Management Unit www.ti.com SLVS993 – OCTOBER 2009 Table 3-4. Power Path Control AC Detected USB Detected FAULT AC USB BATTERY Switch SYS PIN 6586x MODE PWRSYS USBSUSP Detecte Switch Switch CONNECTED TO d UVLO X X X X X OFF OFF OFF NONE NOT UVLO X X X X YES OFF OFF OFF PULL-UP RES/ISRC NOT UVLO X YES X NO ON OFF ON if Supplement AC mode is required, OFF NOT UVLO 0 NO YES NO OFF ON USB otherwise 1 NOT UVLO 1 NO YES NO OFF OFF ON BATTERY NOT UVLO X NO NO NO OFF OFF ON BATTERY NOT UVLO 0 X X X NO OFF OFF ON BATTERY When a fault condition is detected, the fault recovery method (resistor or current source) is defined by the input power supply detection: Table 3-5. Power Path Fault Recovery Control AC DETECTED USB DETECTED RECOVERY METHOD YES X AC PULL-UP RESISTOR ON NO YES USB PULL-UP RESISTOR ON NO NO 30mA CURRENT SOURCE ON The power path status is available at register 0xB9, bits BATSYSON, ACSWON, USBSWON , and register 0xBB, bits LOWSYS, ACDET, USBDET, AC_OVP and USB_OVP. See the STATUS REGISTER section for bit function description. The TPS658620 has an integrated linear charger that is designed to enable the implementation of two distinct configurations. The TPS658620 has been configured such that the Charger input power is supplied by the SM2 output. In this mode, the SM2 acts as a pre-regulator to the charger input. The Charger is active when the device is in the SLEEP state. Charger input power supplied by power path output : The SM2 voltage is set to the voltage programmed by the host via register SUPPLYV2 control bits VSM2[4:0] at all times. The charger input pin VIN_CHG must be connected to the power path output SYS pin. This topology has lower efficiency when compared to the pre-regulator configuration, but it enables the use of SM2 as a stand alone converter in systems where lower charge rates are required. Submit Documentation Feedback DETAILED DESCRIPTION 35 |
Аналогичный номер детали - TPS658620ZQZT |
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Аналогичное описание - TPS658620ZQZT |
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