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BQ25120YFPT Datasheet(PDF) 8 Page - Texas Instruments |
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BQ25120YFPT Datasheet(HTML) 8 Page - Texas Instruments |
8 / 68 page 8 BQ25120, BQ25121 SLUSBZ9B – AUGUST 2015 – REVISED MAY 2016 www.ti.com Product Folder Links: BQ25120 BQ25121 Submit Documentation Feedback Copyright © 2015–2016, Texas Instruments Incorporated 8.5 Electrical Characteristics Circuit of Figure 1, V(UVLO) < VIN < V(OCP) and VIN > V(BAT) + V(SLP), TJ = –40 to 85°C and TJ = 25°C for typical values (unless otherwise noted) PARAMETERS TEST CONDITIONS MIN TYP MAX UNIT INPUT CURRENTS IIN Supply Current for Control V(UVLO) < VIN < V(OVP) and VIN > V(BAT) + V(SLP) PWM Switching, –40 < TJ < 85 1 mA V(UVLO) < VIN < V(OVP) and VIN > V(BAT) + V(SLP) PWM NOT Switching 3 mA 0°C < TJ < 85°C, VIN = 5 V, Charge Disabled 1.5 mA I(BAT_HIZ) Battery discharge current in High Impedance Mode 0°C < TJ < 60°C, VIN = 0 V, High-Z Mode, PWM Not Switching, V(BUVLO) < V(BAT) < 4.65V 0.7 1.2 µA 0°C < TJ < 60°C, VIN = 0 V, High-Z Mode, PWM Not Switching, V(BUVLO) < V(BAT) < 6.6 V 0.9 1.5 µA 0°C < TJ < 60°C, VIN = 0 V or floating, High-Z Mode, PWM Switching, No Load 0.75 3.5 µA 0°C < TJ < 85°C, VIN = 0 V, High-Z Mode, PWM Switching, LSLDO enabled 1.35 4.25 µA I(BAT_ACTIVE ) Battery discharge current in Active Battery Mode 0°C < TJ < 85°C, VIN = 0 V, Active Battery Mode, PWM Switching, LSLDO enabled, I2C Enabled, V(BUVLO) < V(BAT) < 4.65 V 6.8 12 µA 0°C < TJ < 85°C, 0 < VIN < VIN(UVLO), Active Battery Mode, PWM Switching, LSLDO disabled, I2C Enabled, /CD = Low, V(BUVLO) < V(BAT) < 4.65 V 6.2 11 µA I(BAT_SHIP) Battery discharge current in Ship Mode 0°C < TJ < 85°C, VIN = 0 V, Ship Mode 2 150 nA POWER-PATH MANAGEMENT and INPUT CURRENT LIMIT VDO(IN-PMID) VIN – V(PMID) VIN = 5 V, IIN = 300 mA 125 170 mV VDO(BAT- PMID) V(BAT) – V(PMID) VIN = 0 V, V(BAT) > 3 V, Iff = 400 mA 120 160 mV V(BSUP1) Enter supplement mode threshold V(BAT) > V(BUVLO) V(PMID) < V(BAT) – 25 mV V V(BSUP2) Exit supplement mode threshold V(BAT) > V(BUVLO) V(PMID) < V(BAT) – 5mV V I(BAT_OCP) Current Limit, Discharge Mode V(BAT) > V(BUVLO) 0.85 1.15 1.35 A I(ILIM) Input Current Limit Programmable Range, 50-mA steps 50 400 mA Maximum Input Current using ILIM K(ILIM) / R(ILIM) IILIM accuracy IILIM accuracy 50 mA to 100 mA –12% 12% 100 mA to 400 mA –5% 5% K(ILIM) Maximum input current factor I(ILIM) = 50 mA to 100 mA 175 200 225 A Ω I(ILIM) = 100 mA to 400 mA 190 200 210 A Ω VIN(DPM) Input voltage threshold when input current is reduced Programmable Range using VIN(DPM) Registers. Can be disabled using VIN(DPM_ON) 4.2 4.9 V VIN_DPM threshold accuracy –3% 3% BATTERY CHARGER VD(PPM) PMID voltage threshold when charge current is reduced Above V(BATREG) 0.2 V RON(BAT- PMID) Internal Battery Charger MOSFET on-resistance Measured from BAT to PMID, V(BAT) = 4.35 V, High-Z mode 300 400 m Ω V(BATREG) Charge Voltage Operating in voltage regulation, Programmable Range, 10mV steps 3.6 4.65 V Voltage Regulation Accuracy TJ = 25°C –0.5% 0.5% TJ = 0°C to 85°C –0.5% 0.5% |
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