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TPS25741 Datasheet(PDF) 7 Page - Texas Instruments |
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TPS25741 Datasheet(HTML) 7 Page - Texas Instruments |
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7 / 68 page  7 TPS25741, TPS25741A www.ti.com SLVSDJ5B – AUGUST 2016 – REVISED JANUARY 2017 Submit Documentation Feedback Copyright © 2016–2017, Texas Instruments Incorporated (1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report. 7.4 Thermal Information THERMAL METRIC(1) TPS25741 TPS25741A UNIT RSM (VQFN) 32 PINS RθJA Junction-to-ambient thermal resistance 37.7 °C/W RθJC(top) Junction-to-case (top) thermal resistance 32.1 °C/W RθJB Junction-to-board thermal resistance 8.5 °C/W ψJT Junction-to-top characterization parameter 0.4 °C/W ψJB Junction-to-board characterization parameter 8.3 °C/W RθJC(bot) Junction-to-case (bottom) thermal resistance 2.7 °C/W 7.5 Electrical Characteristics Unless otherwise stated in a specific test condition the following conditions apply: –40°C ≤ TJ ≤ 125°C; 3 ≤ VDD ≤ 5.5 V, 4.65 V ≤ VPWR ≤ 25 V; HIPWR = GND, PSEL = GND, GD = VAUX, PCTRL = VAUX, AGND = GND;EN9V = GND; EN12V = GND; VAUX, VTX, bypassed with 0.1 µF, DVDD bypassed with 0.22 µF; all other pins open (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Voltage Comparator (VBUS) VBUS_RTH VBUS Threshold (Rising voltage) 4.25 4.45 4.65 V VBUS_FTH VBUS Threshold (Falling voltage) 3.5 3.7 3.9 V VBUS Threshold (Hysteresis) 0.75 V Power Supply (VDD, VPWR) VDD_TH VDD UVLO threshold Rising voltage 2.8 2.91 2.97 V Falling voltage 2.8 2.86 2.91 Hysteresis, comes into effect once the rising threshold is crossed. 0.05 VPWR_TH VPWR UVLO threshold Rising voltage 4.2 4.45 4.65 V Falling voltage 3.5 3.7 3.9 Hysteresis, comes into effect once the rising threshold is crossed. 0.75 Supply current drawn from VDD in sleep mode VPWR = 0 V, VDD = 5 V, CC1 and CC2 pins are open. TJ = 25°C 8.5 µA VPWR = 0 V, VDD = 3.3 V, CC1 and CC2 pins are open. TJ = 25°C 5.4 µA VPWR = 0 V, VDD = 5 V,CC1 pin open, CC2 pin tied to GND. TJ = 25°C 93 µA Supply current drawn from VPWR in sleep mode VPWR = 5 V, VDD = 0 V, CC1 and CC2 pins are open. TJ = 25°C 8 µA VPWR = 5 V, VDD = 0 V, CC1 pin open, CC2 pin tied to GND. TJ = 25°C 89 µA ISUPP Typical operating current (from VPWR and VDD) Power Delivery Sourcing active, VBUS = 5 V, VPWR = 5 V, VDD = 3.3 V 1 1.8 3 mA Over/Under Voltage Protection (VBUS) VFOVP Fast OVP threshold, always enabled 5 V Power Delivery contract 5.8 6.05 6.3 V 12 V Power Delivery contract (TPS25741) 13.2 13.75 14.3 V 20 V Power Delivery contract (TPS25741) 22.1 23.05 24.0 V 9 V Power Delivery contract (TPS25741A) 10.1 10.55 11.0 V 15 V Power Delivery contract (TPS25741A) 16.2 16.95 17.7 V |
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