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BQ24295 Datasheet(PDF) 10 Page - Texas Instruments |
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BQ24295 Datasheet(HTML) 10 Page - Texas Instruments |
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10 / 45 page  bq24295 SLUSBC1 – SEPTEMBER 2013 www.ti.com ELECTRICAL CHARACTERISTICS (continued) VVBUS_UVLOZ < VVBUS < VACOV and VVBUS > VBAT + VSLEEP, TJ = –40°C to 125°C and TJ = 25°C for typical values unless other noted. PARAMETER TEST CONDITIONS MIN TYP MAX UNITS VD–_LOWdatref D– Low comparator threshold 250 400 mV RD–_DWN D– Pulldown for connection check 14.25 24.8 k Ω Charging timer with 100mA USB host in tSDP_DEFAULT 45 mins default mode D+ Low Comparator Threshold for Non- Vadpt1_lo As Percentage of REGN, 0°C – 85°C(1) 46.5 48 49.5 % standard adapter Divider-1 D+ Low Comparator Threshold for Non- Vadpt1_hi As Percentage of REGN, 0°C – 85°C(1) 58.5 60 61.5 % standard adapter Divider-1 D+ Low Comparator Threshold for Non- Vadpt2_lo As Percentage of REGN, 0°C – 85°C(1) 15.5 17 18.5 % standard adapter Divider-2 D+ Low Comparator Threshold for Non- Vadpt2_hi As Percentage of REGN, 0°C – 85°C(1) 28.5 30 31.5 % standard adapter Divider-2 D- Low Comparator Threshold for Non- Vadpt3_lo As Percentage of REGN, 0°C – 85°C(1) 46.5 48 49.5 % standard adapter Divider-3 D- High Comparator Threshold for Non- Vadpt3_hi As Percentage of REGN, 0°C – 85°C(1) 58.5 60 61.5 % standard adapter Divider-3 BAT OVER-VOLTAGE PROTECTION VBATOVP Battery over-voltage threshold VBAT rising, as percentage of VBAT_REG 104 % VBATOVP_HYST Battery over-voltage hysteresis VBAT falling, as percentage of VBAT_REG 2 % Battery over-voltage deglitch time to disable tBATOVP 1 µs charge THERMAL REGULATION AND THERMAL SHUTDOWN TJunction_REG Junction temperature regulation accuracy REG06[1:0] = 11 120 °C TSHUT Thermal shutdown rising temperature Temperature increasing 160 °C TSHUT_HYS Thermal shutdown hysteresis 30 °C Thermal shutdown rising deglitch Temperature increasing delay 1 ms Thermal shutdown falling deglitch Temperature decreasing delay 1 ms COLD/HOT THERMISTER COMPARATOR Cold temperature threshold, TS pin voltage VLTF Charger suspends charge. As Percentage to VREGN 73 73.5% 74 % rising threshold Cold temperature hysteresis, TS pin voltage VLTF_HYS As Percentage to VREGN 0.4 % falling Hot temperature TS pin voltage falling VHTF As Percentage to VREGN 46.6 47.7 48.8 % threshold Cut-off temperature TS pin voltage falling VTCO As Percentage to VREGN 44.2 44.7 45.2 % threshold Deglitch time for temperature out of range VTS > VLTF, or VTS < VTCO, or VTS < VHTF 10 ms detection Cold Temperature Threshold, TS pin As Percentage to VREGN REG02[1]=0 VBCOLD0 75.5 76 76.5 % Voltage Rising Threshold (Approx. -10 ◦C w/ 103AT) As Percentage to VREGN REG02[1]=0 VBCOLD0_HYS 1 % (Approx. 1 ◦C w/ 103AT) Cold Temperature Threshold 1, TS pin As Percentage to VREGN REG02[1]=1 VBCOLD1 78.5 79 79.5 % Voltage Rising Threshold (Approx. -20 ◦C w/ 103AT) As Percentage to VREGN REG02[1]=1 VBCOLD1_HYS 1 % (Approx. 1 ◦C w/ 103AT) Hot Temperature Threshold, TS pin Voltage As Percentage to VREGN REG06[3:2]= 01 VBHOT0 35.5 36 36.5 % falling Threshold (Approx. 55 ◦C w/ 103AT) As Percentage to VREGN REG06[3:2]= 01 VBHOT0_HYS 3 % (Approx. 3 ◦C w/ 103AT) Hot Temperature Threshold 1, TS pin As Percentage to VREGN REG06[3:2]= 00 VBHOT1 32.5 33 33.5 % Voltage falling Threshold (Approx. 60 ◦C w/ 103AT) As Percentage to VREGN REG06[3:2]= 00 VBHOT1_HYS 3 % (Approx. 3 ◦C w/ 103AT) Hot Temperature Threshold 2, TS pin As Percentage to VREGN REG06[3:2]= 10 VBHOT2 29.5 30 30.5 % Voltage falling Threshold (Approx. 65 ◦C w/ 103AT) (1) REGN LDO is configured in drop-out mode. VBUS is close to REGN when IREGN= 0mA. 10 Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated Product Folder Links: bq24295 |
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