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bq24600RVAR Datasheet(PDF) 5 Page - Texas Instruments |
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bq24600RVAR Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 29 page  bq24600 www.ti.com SLUS891 – FEBRUARY 2010 ELECTRICAL CHARACTERISTICS (continued) 5.0V ≤ V(VCC) ≤ 28V, 0°C < TJ < +125°C, typical values are at TA = 25°C, with respect to GND (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT RECHARGE COMPARATOR Recharge threshold (with respect VRECHG Measured on VFB pin 35 50 65 mV to.VREG) Recharge rising deglitch VFB decreasing below VRECHG 10 ms Recharge falling deglitch VFB increasing above VRECHG 10 ms BAT OVER-VOLTAGE COMPARATOR VOV_RISE Over-Voltage Rising Threshold As percentage of VFB 104% VOV_FALL Over-Voltage Falling Threshold As percentage of VFB 102% INPUT OVER-VOLTAGE COMPARATOR (ACOV) AC over-voltage rising threshold on VACOV 31.04 32 32.96 V VCC VACOV_HYS AC over-voltage falling hysteresis 1 V VACOV_HYS AC over-voltage rising deglitch 1 ms AC over-voltage falling deglitch 1 ms THERMAL SHUTDOWN COMPARATOR TSHUT Thermal shutdown rising temperature Temperature increasing 145 °C TSHUT_HYS Thermal shutdown hysteresis 15 °C Thermal shutdown rising deglitch Temperature increasing 100 ms Thermal shutdown falling deglitch Temperature decreasing 10 ms THERMISTOR COMPARATOR VLTF Cold temperature rising threshold As percentage to VVREF 72.5% 73.5% 74.5% VLTF_HYS Rising hysteresis As percentage to VVREF 0.2% 0.4% 0.6% VHTF Hot temperature rising threshold As percentage to VVREF 36.2% 37% 37.8% VTCO Cut-off temperature rising threshold As percentage to VVREF 33.7% 34.4% 35.1% Deglitch time for temperature out of VTS > VLTF, or VTS < VTCO, or VTS < VHTF 400 ms range detection Deglitch time for temperature in valid VTS < VLTF – VLTF_HYS or VTS >VTCO, or VTS > VHTF 20 ms range detection CHARGE OVER-CURRENT COMPARATOR (CYCLE-BY-CYCLE) Current rising, in non-synchronous mode, mesure on 45.5 mV V(SRP-SRN), VSRP < 2 V Charge over-current falling threshold Current rising, as percentage of V(IREG_CHG), in 160% synchronous mode, VSRP > 2.2V VOC Minimum OCP threshold in synchronous mode, measure Charge over-current threshold floor 50 mV on V(SRP-SRN), VSRP > 2.2V Maximum OCP threshold in synchronous mode, measure Charge over-current threshold ceiling 180 mV on V(SRP-SRN), VSRP > 2.2V CHARGE UNDER-CURRENT COMPARATOR (CYCLE-BY-CYCLE) VISYNSET Charge under-current falling threshold VSRP>2.2V, Switch from CCM to DCM 1 5 9 mV BATTERY SHORTED COMPARATOR (BATSHORT) BAT Short falling threshold, forced VBATSHT VSRP falling 2 V non-syn mode VBATSHT_HYS BAT short rising hysteresis 200 mV VBATSHT_DEG Deglitch on both edge 1 ms LOW CHARGE CURRENT COMPARATOR Low charge current (average) falling VLC Measure V(SRP-SRN) 1.25 mV threshold to force into non-sync mode VLC_HYS Low charge current rising hysteresis 1.25 mV VLC_DEG Deglitch on both edge 1 ms VREF REGULATOR VVREF_REG VREF regulator voltage VVCC > VUVLO (0 - 35mA load) 3.267 3.3 3.333 V IVREF_LIM VREF current limit VVREF = 0 V, VVCC > VUVLO 35 mA Copyright © 2010, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s): bq24600 |
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