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BQ24261 Datasheet(PDF) 4 Page - Texas Instruments |
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BQ24261 Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 46 page  bq24260 bq24261 bq24262A SLUSBU4A – DECEMBER 2013 – REVISED JANUARY 2014 www.ti.com ELECTRICAL CHARACTERISTICS Circuit of Figure 1, VUVLO < VIN < VOVP AND VIN > VBAT+ VSLP, TJ = –40°C to 125°C and TJ = 25°C for typical values (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT INPUT CURRENTS VUVLO < VIN < VOVP and VIN>VBAT+VSLP 15 PWM switching YFF Package: VUVLO < VIN < VOVP and VIN>VBAT+VSLP 6.5 mA PWM NOT switching IIN Supply current for control RGE Package: VUVLO < VIN < VOVP and VIN>VBAT+VSLP 6.65 PWM NOT switching 0°C< TJ < 85°C, VIN = 5V, High-Z Mode 250 μA 0°C< TJ < 85°C, VBAT = 4.2 V, VIN = 5V, 15 SCL, SDA = 0V or 1.8V, High-Z Mode Battery discharge current in YFF Package: 0°C< TJ < 85°C, VBAT = 4.2 V, VIN = 0V, IBAT_HIZ High Impedance mode, 77 μA SCL, SDA = 0V or 1.8V (BAT, SW, SYS) RGE Package: 0°C< TJ < 85°C, VBAT = 4.2 V, VIN = 0V, 80 SCL, SDA = 0V or 1.8V POWER-PATH MANAGEMENT VMINSYS VMINSYS VMINSYS VSYSREG(LO) System Regulation Voltage VBAT < VMINSYS V + 80mV + 100mV + 120mV Battery FET turned off, no charging, VBATREG VBATREG VBATREG VSYSREG(HI) System Regulation Voltage V VBAT > 3.5V +2.2% +2.5% +2.77% Minimum System Voltage VMINSYS VBAT + VDO(SYS_BAT) < 3.5V 3.44 3.5 3.55 V Regulation Threshold tDGL(MINSYS_C Deglitch time, VMINSYS 8 ms MP) comparator rising Enter supplement mode VBAT – VBSUP1 VBAT > VBUVLO V threshold 20mV Exit supplement mode VBAT – VBSUP2 VBAT > VBUVLO V threshold 5mV Current Limit, Discharge or ILIM(DISCH) VLIM(BGATE) = VBAT – VSYS 4 6 A Supplement Mode Deglitch Time, OUT Short tDGL(SC1) Circuit during Discharge or Measured from IBAT = 7A to FET off 250 μs Supplement Mode Recovery time, OUT Short tREC(SC1) Circuit during Discharge or 2 s Supplement Mode Battery Range for BGATE 2.5 4.5 V Operation BATTERY CHARGER YFF 17 25 Measured from BAT to SYS, Internal battery charger RON(BAT-SYS) m Ω MOSFET on-resistance VBAT = 4.2V, High-Z mode RGE 32 47 Charge Voltage Operating in voltage regulation, Programmable Range 3.5 4.44 V RGE Package Voltage TJ = 0°C to 50°C -0.5% 0.5% Regulation Accuracy RGE Package Voltage TJ = 0°C to 85°C -0.7% 0.7% VBATREG Regulation Accuracy RGE Package Voltage TJ = 0°C to 125°C -1.0% 1.0% Regulation Accuracy YFF Package Voltage TJ = 0°C to 125°C –1.7% 0.8% Regulation Accuracy Fast Charge Current Range VBATSHRT ≤ VBAT < VBAT(REG) 500 3000 mA ICHARGE 500 mA ≤ ICHARGE ≤ 1A –10% 10% Fast Charge Current Accuracy ICHARGE > 1000 mA –5% 5% Battery short circuit VBATSHRT 1.9 2 2.1 V threshold VBATSHRT_HY Hysteresis for VBATSHRT Battery voltage falling 100 mV S 4 Submit Documentation Feedback Copyright © 2013–2014, Texas Instruments Incorporated Product Folder Links: bq24260 bq24261 bq24262A |
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