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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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UCS1001-3 датащи(PDF) 18 Page - Microchip Technology |
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UCS1001-3 датащи(HTML) 18 Page - Microchip Technology |
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18 / 57 page  USB Port Power Controller with Charger Emulation Datasheet Revision 1.4 (07-16-13) 18 SMSC UCS1001 DATASHEET Selectable Current Limits ILIM1 480 500 mA ILIM Resistor = 47 k Ω (500 mA setting) ILIM2 850 900 mA ILIM Resistor = 56 k Ω (900 mA setting) ILIM3 950 1000 mA ILIM Resistor = 68 k Ω (1000 mA setting) ILIM4 1130 1200 mA ILIM Resistor = 82 k Ω (1200 mA setting) ILIM5 1400 1500 mA ILIM Resistor = 100 k Ω (1500 mA setting) ILIM6 1720 1800 mA ILIM Resistor = 120 k Ω (1800 mA setting) ILIM7 1910 2000 mA ILIM Resistor = 150 k Ω (2000 mA setting) ILIM8 2370 2500 mA ILIM Resistor = VDD (2500 mA setting) Pin Wake Time tPIN_WAKE 3ms Thermal Regulation Limit TREG 110 °C Die Temperature at which current limit will be reduced Thermal Regulation Hysteresis TREG_HYST 10 °C Hysteresis for tREG functionality. Temperature must drop by this value before ILIM value restored to normal operation Thermal Shutdown Threshold TTSD 135 °C Die Temperature at which port power switch will turn off Thermal Shutdown Hysteresis TTSD_HYST 35 °C After shutdown due to TTSD being reached, die temperature drop required before port power switch can be turned on again Auto-recovery Test Current ITEST 190 mA Portable device attached, VBUS = 0 V, Die temp < TTSD Auto-recovery Test Voltage VTEST 750 mV Portable device attached, VBUS = 0 V before application, Die temp < TTSD Discharge Impedance RDISCHARGE 100 Ω Table 3.3 Electrical Specifications (continued) VDD = 4.5V to 5.5V, VS = 2.9V to 5.5V, VPULLUP = 3V to 5.5V, = -40°C to all Typical values at VDD = VS = 5 V, TA = 27 °C unless otherwise noted. CHARACTERISTIC SYMBOL MIN TYP MAX UNIT CONDITIONS |
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