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BQ24072TRGTR Datasheet(PDF) 3 Page - Texas Instruments |
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BQ24072TRGTR Datasheet(HTML) 3 Page - Texas Instruments |
3 / 36 page bq24072T bq24075T, bq24079T www.ti.com SLUS937A – DECEMBER 2009 – REVISED APRIL 2010 ABSOLUTE MAXIMUM RATINGS (1) (2) over operating free-air temperature range (unless otherwise noted) VALUE / UNIT IN (with respect to VSS) –0.3 to 28 V BAT (with respect to VSS) –0.3V to 5V Input voltage OUT, EN1, EN2, CE, TS, ISET, PGOOD, CHG, ILIM, VREF, ITERM, SYSOFF, TD –0.3 TO 7 V (with respect to VSS) Input current IN 1.6 A OUT 5A Output current BAT (Discharge mode) 5A (Continuous) BAT (Charging mode) 1.5A Output sink current CHG, PGOOD 15 mA Junction temperature, TJ –40°C to 150°C Storage temperature, TSTG –65°C to 150°C (1) Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under recommended operating conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. (2) The IC operational charging life is reduced to 20,000 hours, when charging at 1.5A and 125°C. The thermal regulation feature reduces charge current if the IC’s junction temperature reaches 125°C; thus without a good thermal design the maximum programmed charge current may not be reached. DISSIPATION RATINGS TA < 25°C DERATING FACTOR PACKAGE RqJA RqJC POWER RATING ABOVE TA = 25°C QFN-16 RGT 39.47 °C/W 2.4°C/W 2.3 W 225 mW RECOMMENDED OPERATING CONDITIONS over operating free-air temperature range (unless otherwise noted) MIN MAX UNITS IN voltage range 4.35 26 V VIN IN operating voltage range 4.35 6.4 V IIN Input current, IN pin 1.5 A IOUT Current, OUT pin 4.5 A IBAT Current, BAT pin (Discharging) 4.5 A ICHG Current, BAT pin (Charging) 1.5(1) A TJ Junction Temperature 0 125 °C RILIM Maximum input current programming resistor 1.07 7.5 k Ω RISET Fast-charge current programming resistor(2) 590 3000 Ω RITERM Termination current programming resistor 0 15 k Ω RTMR Timer programming resistor 18 72 k Ω (1) The IC operational charging life is reduced to 20,000 hours, when charging at 1.5A and 125°C. The thermal regulation feature reduces charge current if the IC’s junction temperature reaches 125°C; thus without a good thermal design the maximum programmed charge current may not be reached. (2) Use a 1% tolerance resistor RISET to avoid issues with the RISET short test when using the maximum charge current setting. Copyright © 2009–2010, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): bq24072T bq24075T bq24079T |
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