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TPS65720 Fiches technique(PDF) 11 Page - Texas Instruments |
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TPS65720 Fiches technique(HTML) 11 Page - Texas Instruments |
11 / 66 page TPS65720, TPS657201, TPS657202, TPS65721 www.ti.com SLVS979A – OCTOBER 2009 – REVISED SEPTEMBER 2015 Electrical Characteristics (continued) VSYS = 3.6 V, VDCDC1 = 2.05 V, PFM mode, L = 3.3 μH, COUTDCDC1 = 4.7 μF, VINLDO1 = 2.05 V, VLDO1 = 1.85 V, TA = –40°C to 85°C typical values apply in a temperature range of 10°C to 35°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT POWER PATH VUVLO Undervoltage lockout VAC: 0 V → 4 V 3.2 3.3 3.45 V VHYS-UVLO Hysteresis on UVLO VAC: 4 V → 0 V 200 300 mV (Input power detected if VIN > VBAT + VIN-DT) VBAT = 3.6 V, VIN-DT Input power detection threshold 40 80 140 mV VIN: 3.5 V → 4 V VHYS-INDT Hysteresis on VIN-DT VBAT = 3.6 V, VIN: 4 V → 3.5 V 20 mV Input overvoltage protection VOVP VAC: 5 V → 7 V 6.4 6.6 6.8 V threshold VHYS-OVP Hysteresis on OVP VAC: 11 V → 5 V 105 mV ISYS = 0.3 A, VAC = 4.35 V, VBAT = 4.2 V; YFF package 170 285 mV AC pin to SYS pin dropout voltage VDO(AC-SYS) VAC – VSYS ISYS = 0.3 A, VAC = 4.35 V, VBAT = 4.2 V; RSN package 210 325 mV ISYS = 0.2 A, VAC = 0 V, VBAT > 3 V; YFF package 80 mV Battery to SYS pin dropout voltage VDO(BAT-SYS) VBAT – VSYS ISYS = 0.2 A, VAC = 0 V, VBAT > 3 V; RSN package 120 mV 00: VAC > VSYS + VDO(AC-SYS), VBAT < 3.3V –5% 3.4 5% VBAT + 00: VAC > VSYS + VDO(AC-SYS), VBAT ≥ 3.3 V –5% 5% SYS pin voltage regulation 200 mV selectable register VSYS(REG) V <CHGCONFIG0> Bits <VSYS1>; 01: VAC > VSYS + VDO(AC-SYS) –5% 4.4 5% <VSYS0> 10: VAC > VSYS + VDO(AC-SYS) –5% 5.0 5% 11: VAC > VSYS + VDO(AC-SYS) –5% 5.5 5% Bit <AC input current1, AC input current0> = 00 90 95 100 Maximum Input Current Register IAC-MAX mA <CHCONFIG0> Bit < AC input current1, AC input current0> = 01 or 10 450 475 500 Input voltage threshold when input Input current is reduced if voltage at AC falls below VAC-LOW to VAC-LOW 4.35 4.5 4.65 V current is reduced keep the AC voltage above 4.5 V Output voltage threshold when VO(REG) – Bit <V_DPPM> = 1 charging current is reduced 100 mV VDPM V Register <CHCONFIG2> Bit <V_DPPM> = 0 4.3 VOUT ≤ VBSUP1 Enter battery supplement mode VBAT – V 40 mV VOUT ≥ VBSUP2 Exit battery supplement mode VBAT – V 20 mV Output short-circuit detection VO(SC1) 0.8 0.9 1 V threshold, power-on Output short-circuit detection threshold, supplement mode VO(SC2) 200 250 300 mV VBAT – VOUT > VO(SC2) indicates short-circuit BATTERY CHARGER QUIESCENT CURRENT VIN = 5 V; ACinputcurrent[1,0] = 11 60 80 μA IIACSTDBY) Standby current into AC pin VIN = 28 V; ACinputcurrent[1,0] = 11 530 μA VIN = 5 V, no load on DCDC1, LDO1, SYS pin, VSYS[1,0] = 11; ICC Active supply current, AC pin 2 mA ACinputcurrent[1,0] = 10; CH_EN = 0 Source current for BAT pin short- IBAT(SC) 4 7.5 11 mA circuit detection BAT pin short-circuit detection VBAT(SC) 1.6 1.8 2.0 V threshold –1% 4.15 1% –1% 4.175 1% –1% 4.20 1% –1% 4.225 1% Depending on setting in CHGCONFIG3 And internal EEPROM Vo(BATREG) Battery charger voltage V Default = 4.2 V –1% 4.25 1% –1% 4.275 1% –1% 4.30 1% –1% 4.325 1% Precharge to fast-charge transition VLOWV 2.9 3.0 3.1 V threshold Copyright © 2009–2015, Texas Instruments Incorporated Submit Documentation Feedback 11 Product Folder Links: TPS65720 TPS657201 TPS657202 TPS65721 |
Numéro de pièce similaire - TPS65720_16 |
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Description similaire - TPS65720_16 |
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