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BQ24083DRCT Datasheet(PDF) 3 Page - Texas Instruments |
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BQ24083DRCT Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 23 page  ELECTRICAL CHARACTERISTICS bq24083 www.ti.com........................................................................................................................................................................................................ SLUS848 – MAY 2008 over 0 °C ≤ T J ≤ 125°C and recommended supply voltage (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT INPUT CURRENT ICC(VCC) VCC current VCC > VCC(min) 1.2 2 mA Sum of currents into OUT pin, ICC(SLP) Sleep current 2 5 VCC < V(SLP) µA ICC(STBY) Standby current CE = High, 0 °C ≤ T J ≤ 85°C 150 IIB(OUT) Input current on OUT pin Charge DONE, VCC > VCC(MIN) 1 5 VOLTAGE REGULATION VO(REG) + V(DO−MAX) ≤ VCC, I(TERM) < IO(OUT) ≤ 1 A VBSEL = HI 4.06 VO(REG) Output voltage V VBSEL = LO 4.2 TA = 25°C −0.35% 0.35% Voltage regulation accuracy −1% 1% VO(OUT) = VO(REG), IO(OUT) = 1 A V(DO) Dropout voltage (V(IN) − V(OUT)) 350 500 mV VO(REG) + V(DO)) ≤ VCC CURRENT REGULATION VI(OUT) > V(LOWV), IO(OUT) Output current range(1) 50 1000 mA VI(IN) − VI(OUT) > V(DO), VCC ≥ 4.5 V Voltage on ISET pin, VCC ≥ 4.5 V, V(SET) Output current set voltage VI ≥ 4.5 V, VI(OUT) > V(LOWV), 2.463 2.5 2.538 V VI − VI(OUT) > V(DO) 50 mA ≤ IO(OUT) ≤ 1 A 307 322 337 K(SET) Output current set factor 10 mA ≤ IO(OUT) < 50 mA 296 320 346 1 mA ≤ IO(OUT) < 10 mA 246 320 416 PRECHARGE AND SHORT-CIRCUIT CURRENT REGULATION Precharge to fast-charge transition V(LOWV) Voltage on OUT pin 2.8 3 3.2 V threshold VCC(MIN) ≥ 4.5 V, tFALL = 100 ns, Deglitch time for fast-charge to precharge 10-mV overdrive, 250 375 500 ms transition VI(OUT) decreasing below threshold IO(PRECHG) Precharge range(2) 0 V < VI(OUT) < V(LOWV), t < t(PRECHG) 5 100 mA Voltage on ISET pin, VO(REG) = 4.2 V, V(PRECHG) Precharge set voltage 240 255 270 mV 0 V < VI(OUT) > V(LOWV), t < t(PRECHG) TERMINATION DETECTION I(TERM) Charge termination detection range(3) VI(OUT) > V(RCH), t < t(TRMDET) 5 100 mA Voltage on ISET pin, VO(REG) = 4.2 V, V(TERM) Charge termination detection set voltage 235 250 265 mV VI(OUT) > V(RCH), t < t(TRMDET) VCC(MIN) ≥ 4.5 V, tFALL = 100 ns tTRMDET Deglitch time for termination detection charging current decreasing below 250 375 500 ms 10-mV overdrive (1) See Equation 2 in the Function Description section. (2) See Equation 1 in the Function Description section. (3) See Equation 4 in the Function Description section. Copyright © 2008, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s) :bq24083 |
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