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TPS65217BRSL Datasheet(PDF) 10 Page - Texas Instruments |
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TPS65217BRSL Datasheet(HTML) 10 Page - Texas Instruments |
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10 / 88 page  TPS65217A, TPS65217B, TPS65217C SLVSB64D – NOVEMBER 2011 – REVISED APRIL 2012 www.ti.com ELECTRICAL CHARACTERISTICS (continued) VBAT = 3.6 V ±5%, TJ = 27ºC (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Safety timer range, thermal and DPM not TCHG Charge safety timer active, selectable by I2C; 4 8 h Not tested in production Pre charge timer range, thermal and DPM/DPPM loops not active, selectable TPRECHG Precharge timer 30 60 min by I2C; Not tested in production BATTERY NTC MONITOR Thermistor power on time at charger TTHON 10 ms off, sampling mode on Thermistor power sampling period TTHOFF 1 s at charger off, sampling mode on NTC_TYPE = 1 (10k NTC) 7.35 Pull-up resistor from thermistor to k Ω Internal LDO . I2C selectable RNTC_PULL NTC_TYPE = 0 (100K NTC) 60.5 Accuracy TA = 27°C -3 3 % Temperature falling 1660 VLTF Low temp failure threshold mV Temperature rising 1610 Temperature falling 910 TRANGE = 0 Temperature rising 860 VHTF High temp failure threshold mV Temperature falling 667 TRANGE = 1 Temperature rising 622 VDET Thermistor detection threshold 1750 1850 mV Thermistor not detected. Battery not tBATDET Not tested in production 26 ms present deglitch. THERMAL REGULATION Temperature at which charge current is TJ(REG) Temperature regulation limit 111 123 °C reduced DCDC1 (BUCK) VIN Input voltage range VIN_DCDC1 pin 2.7 5.8 V IQ,SLEEP Quiescent current in SLEEP mode No load, VSYS = 4 V, TA = 25°C 30 µA External resistor divider (XADJ1 = 1) 0.6 VIN Output voltage range V I2C selectable in 25-mV steps 0.9 1.8(1) (XADJ1 = 0) VOUT VIN = VOUT + 0.3 V to 5.8 V; DC output voltage accuracy -2 3 % 0 mA ≤ IOUT ≤ 1.2 A Power save mode (PSM) ripple IOUT = 1 mA, PFM mode 40 mVpp voltage L = 2.2 µH, COUT = 20 µF IOUT Output current range 0 1.2 A High side MOSFET on-resistance VIN = 2.7 V 170 RDS(ON) m Ω Low side MOSFET on-resistance VIN = 2.7 V 120 High side MOSFET leakage current VIN = 5.8 V 2 ILEAK µA Low side MOSFET leakage current VDS = 5.8 V 1 Current limit (high and low side ILIMIT 2.7 V < VIN < 5.8 V 1.6 A MOSFET). fSW Switching frequency 1.95 2.25 2.55 MHz VFB Feedback voltage XADJ = 1 600 mV Time to ramp VOUT from 5% to 95%, no tSS Soft-start time 750 µs load RDIS Internal discharge resistor at L1(2) 250 Ω (1) Contact factory for 3.3-V option. (2) Can be factory disabled. 10 Submit Documentation Feedback Copyright © 2011–2012, Texas Instruments Incorporated Product Folder Link(s): TPS65217A TPS65217B TPS65217C |
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