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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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PIFE32251B-R68MS 데이터시트(PDF) 22 Page - Texas Instruments |
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PIFE32251B-R68MS 데이터시트(HTML) 22 Page - Texas Instruments |
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22 / 157 page  22 TPS650830 SLVSCF4A – DECEMBER 2014 – REVISED JULY 2016 www.ti.com Submit Documentation Feedback Product Folder Links: TPS650830 Specifications Copyright © 2014–2016, Texas Instruments Incorporated Electrical Characteristics (continued) Over recommended free-air temperature range and over recommended input voltage range (typical at an ambient temperature range of 25°C) (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VREF_PP VREF_BAT1_rising - Internal reference voltage Rising voltage at BAT1 pin, makes BAT1SWONZ trigger low 1.2365 1.25 1.2645 V VHYST_PP VHYST_BAT1_falling - Internal hysteresis voltage Falling voltage with respect to VREF_BAT1 at BAT1 pin, makes BAT1SWONZ trigger high 125 mV VREF_PP VREF_BAT2_rising - Internal reference voltage Rising voltage at BAT2 pin, makes BAT2SWONZ trigger low 1.2365 1.25 1.2645 V VHYST_PP VHYST_BAT2_falling - Internal hysteresis voltage Falling voltage with respect to VREF_BAT2 at BAT1 pin, makes BAT2SWONZ trigger high 125 mV Critical supply voltage (VDCSNS) falling threshold Critical supply voltage threshold register value VDLMTCRT[3:0]: 0100, Supply voltage decreasing. With 2S resistor divider from VDC to VDCSNS with 4R top, R bottom. VDC = 6 V when VDCSNS pin = 1.12 V. 1.10 1.12 1.14 V Critical supply voltage (VDCSNS) rising threshold hysteresis Critical supply voltage hysteresis, Supply voltage increasing. With 2S resistor divider from VDC to VDCSNS with 4R top, R bottom. VDC_hyst = 100 mV when VDCSNS_hyst pin = 20 mV. 20 mV Critical supply voltage (VDCSNS) input current VDCSNS = 1.2 V - 1.75 V 0.01 0.1 μA INTERNAL RAMP COMPARATOR Vramp_comp_VIN_rising Rising voltage at VIN pin, makes internal ramp compensation of all controllers slightly smaller 10.5 11 11.5 V Vramp_comp_VIN_falling_hyst Falling voltage hysteresis at VIN pin, makes the internal ramp compensation of all controllers slightly bigger 1.1 V AC-ADAPTER DETECTION VIL ACOK input low voltage 0.4 V VIH ACOK input high voltage 1.2 V ACOK input current ACOK = 3.3 V 0.01 0.1 μA Adapter detection debounce time ACOKDB register value: 00 50 61 95 μs Adapter detection debounce time ACOKDB register value: 01 7 10 13 ms Adapter detection debounce time ACOKDB register value: 10 15 20 25 ms Adapter detection debounce time ACOKDB register value: 11 default 24 30 36 ms EMERGENCY RESET SHUTDOWN Types with Time to shutdown tUVLO_shutdown UVLO low shutdown time Time from VIN < UVLO5 low threshold until shut down. 1 μs tSHUTDOWNZ_shutd own SHUTDOWNZ low shutdown time Time from SHUTDOWNZ pin falling-edge until shut down. 1 μs tPWRBTNIN_shutdo wn PWRBTNIN low shutdown time Time from PWRBTNIN pin falling-edge until shut down. n/a μs tPWRGD_Fault_shut down PWRGD Fault shutdown time Time from PWRGD Fault detected including deglitch time until shut down. Output voltage is overvoltage or undervoltage 27 30 33 μs tCRIT_Temp_shutdo wn CRITICAL Temperature high shutdown time Time from TJ > TCRIT_Temp including deglitch time until shut down. [Deglitch time can be changed from 5 µs to 300 µs] 5 μs tSDWNCTRL_bit_shu tdown SDWNCTRL bit set to 1 shutdown time Time from SDWNCTRL register (0x49) bit 0 set to 1 until shut down. Time after SDWNCTRL register is written to by I2C. 1 μs |
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