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BQ24072RGTTG4 Datasheet(PDF) 2 Page - Texas Instruments |
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BQ24072RGTTG4 Datasheet(HTML) 2 Page - Texas Instruments |
2 / 42 page bq24072, bq24073 bq24074, bq24075, bq24079 SLUS810E – SEPTEMBER 2008 – REVISED JULY 2010 www.ti.com This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage. ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications. DESCRIPTION (CONTINUED) Additionally, the regulated system input enables instant system turn-on when plugged in even with a totally discharged battery. The power-path management architecture also permits the battery to supplement the system current requirements when the adapter cannot deliver the peak system currents, enabling the use of a smaller adapter. The battery is charged in three phases: conditioning, constant current, and constant voltage. In all charge phases, an internal control loop monitors the IC junction temperature and reduces the charge current if the internal temperature threshold is exceeded. The charger power stage and charge current sense functions are fully integrated. The charger function has high accuracy current and voltage regulation loops, charge status display, and charge termination. The input current limit and charge current are programmable using external resistors. ORDERING INFORMATION PART NUMBER OPTIONAL VOVP VBAT(REG) VOUT(REG) VDPPM MARKING (1) (2) FUNCTION bq24072RGTR 6.6 V 4.2V VBAT + 225 mV VO(REG) – 100 mV TD CKP bq24072RGTT 6.6 V 4.2V VBAT + 225 mV VO(REG) – 100 mV TD CKP bq24073RGTR 6.6 V 4.2V 4.4 V VO(REG) – 100 mV TD CKQ bq24073RGTT 6.6 V 4.2V 4.4 V VO(REG) – 100 mV TD CKQ bq24074RGTR 10.5 V 4.2V 4.4 V VO(REG) – 100 mV ITERM BZF bq24074RGTT 10.5 V 4.2V 4.4 V VO(REG) – 100 mV ITERM BZF bq24075RGTR 6.6 V 4.2V 5.5 V 4.3 V SYSOFF CDU bq24075RGTT 6.6 V 4.2V 5.5 V 4.3 V SYSOFF CDU bq24079RGTR 6.6 V 4.1V 5.5 V 4.3 V SYSOFF ODI bq24079RGTT 6.6 V 4.1V 5.5 V 4.3 V SYSOFF ODI (1) The RGT package is available in the following options: R - taped and reeled in quantities of 3,000 devices per reel. T - taped and reeled in quantities of 250 devices per reel. (2) This product is RoHS compatible, including a lead concentration that does not exceed 0.1% of total product weight, and is suitable for use in specified lead-free soldering processes. In addition, this product uses package materials that do not contain halogens, including bromine (Br) or antimony (Sb) above 0.1% of total product weight. 2 Submit Documentation Feedback Copyright © 2008–2010, Texas Instruments Incorporated Product Folder Link(s): bq24072 bq24073 bq24074 bq24075, bq24079 |
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