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TPS66021 Datasheet(PDF) 7 Page - Texas Instruments |
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TPS66021 Datasheet(HTML) 7 Page - Texas Instruments |
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7 / 38 page  7 TPS66020, TPS66021 www.ti.com SLVSEW8 – AUGUST 2019 Product Folder Links: TPS66020 TPS66021 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated 6.7 PPHV Power Switch Characteristics Operating under these conditions unless otherwise noted: -10 ℃ ≤ TJ ≤ 125 ℃, 2.85V ≤ VVIN ≤ 5.5V, RIREF = 75 kΩ ±1% overall tolerance PARAMETER TEST CONDITIONS MIN TYP MAX UNIT RPPHV Resistance from PPHV to VBUS ILOAD = 1 A, TJ = 25 ℃, SNK state. 22 26 mΩ ILOAD = 1 A, -10 ℃ ≤ TJ ≤ 125 ℃, SNK state. 22 45 mΩ VPPHV_RCP Maximum voltage due to reverse current during RCP response. SNK state, VVBUS = 5.5V, ramp VPPHV from 5.5V to 21V at 100 V/ms, CVBUS = 10µF, measure VVBUS 5.8 V VPPHV_OVP Maximum voltage rise due to reverse current during VBUS OVP response. SNK state, VVBUS = 5.5V, set VOVP = 6V, ramp VVBUS from 5.5V to 21V at 100 V/ms, CPPHV = 4.7µF, measure VPPHV 6.2 V VRCP_THRES_PPHV Reverse current blocking voltage threshold for PPHV switch 2 6 10 mV SS Soft-start slew rate Transition from DISABLED state to SNK state, VVBUS = 5V, CPPHV = 100µF. Measure slew rate on PPHV. 0.2 0.6 V/ms tON_PPHV PPHV enable time including Soft- start. RPPHV = 100Ω, VVBUS = 5V, CPPHV = 100 µF. Transition from DISABLED state to SNK state, VPPHV at 90% of final value. 9 15 29 ms tOFF_PPHV PPHV disable time. RPPHV = 100Ω, VVBUS = 5V, CPPHV = 4.7 µF. Transition from SNK state to DISABLED state, VPPHV falls to 4.5V. 0.9 2.2 4.3 ms 6.8 Power Path Supervisory Operating under these conditions unless otherwise noted: -10 ℃ ≤ TJ ≤ 125 ℃, 2.85V ≤ VVIN ≤ 5.5V, RIREF = 75 kΩ ±1% overall tolerance PARAMETER TEST CONDITIONS MIN TYP MAX UNIT UV_VIN_R Undervoltage threshold for VIN. VBUS LDO disables when threshold reached. VIN rising, TPS66020 only. 2.45 2.75 V VIN rising, TPS66021 only. 3.89 4.40 V UV_VIN_F Undervoltage threshold for VIN. Device resets. VIN falling, TPS66020 only. 2.35 2.65 V VIN falling, TPS66021 only. 3.79 4.30 V UVH_VIN Undervoltage hysteresis for VIN. 100 mV UV_VBUS_R Undervoltage threshold for VBUS. PPHV switch disabled unitl threshold reached. VBUS rising 3.35 3.75 V UV_VBUS_F Undervoltage threshold for VBUS. PPHV switch disables when threshold reached. VBUS falling 3.15 3.55 V UVH_VBUS Undervoltage hysteresis for VBUS 200 mV OVP_REF OVP reference voltage. 0.93 1 1.07 V UV_PP5V_R Undervoltage threshold for PP5V. PP5V switch disabled unitl threshold reached. PP5V rising 3.9 4.5 V UV_PP5V_F Undervoltage threshold for PP5V. PP5V swtch disables when threshold reached. PP5V falling 3.8 4.4 V UVH_PP5V Undervoltage hysteresis for PP5V 100 mV OV_PP5V_R Overvoltage threshold for PP5V. PP5V switch disabled if threshold reached. PP5V rising 5.60 5.9 6.2 V OV_PP5V_F Overvoltage threshold for PP5V. PP5V switch enabled if threshold reached. PP5V falling 5.50 5.8 6.1 V OVH_PP5V Overvoltage hysteresis for PP5V 100 mV VFWD_DROP_VIN Forward voltage drop across VIN to VLDO switch IVLDO = 35 mA 90 mV |
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