with Ultra-Fast Transient Response and High Light-Load Efficiency
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1 1 Adaptor 6-24V Optional N-FET Driver Ultra-Fast DPM Simplified Application Diagram Iin Ultra-Low Quiescent Current Enhanced Safety Features OCP, OVP, FET Short Support CPU Turbo Mode To System bq24715 SLUSBD1A MARCH 2013 REVISED FEBRUARY 2014 bq Cell NVDC-1 Battery Charger Controller with Ultra-Fast Transient Response and High Light-Load Efficiency 1 Features 3 Description V Input SMBus NVDC-1 2-3S Battery The bq24715 is a NVDC-1 synchronous battery Charger Controller charge controller with low quiescent current, high light load efficiency for 2S or 3S Li-ion battery charging System Instant-on Operation with No Battery or applications, offering low component count. Deeply Discharged Battery The power path management allows the system to be Ultra-Fast Transient Response of 100 µs regulated at battery voltage but does not drop below Ultra-Low Quiescent Current of 500 µa and High the programmable system minimum voltage. PFM Light Load Efficiency 80% at 20mA load to Meet Energy Star and ErP Lot6 The bq24715 provides N-channel ACFET and RBFET drivers for the power path management. It also Switching Frequency: 600kHz/800kHz/1MHz provides driver of the external P-channel battery FET. Programmable System/Charge Voltage (16 The loop compensation is fully integrated. mv/step), Input/Charge Current (64 ma/step) with The bq24715 has programmable 11-bit charge High Accuracy voltage, 7-bit input/charge current and 6-bit minimal ±0.5% Charge Voltage Regulation system voltage with very high regulation accuracies ±3% Input/Charge Current Regulation through the SMBus communication interface. ±2% 40x Input/16x Discharge Current Monitor The bq24715 monitors adapter current or battery Output discharge current through the IOUT pin allowing the Support Battery LEARN Function host to throttle down CPU speed when needed. Maximize CPU Performance with Deeply The bq24715 provides extensive safety features for Discharged Battery or No Battery over current, over voltage and MOSFET short circuit. Integrated NMOS ACFET and RBFET Driver Device Information 20-pin 3.5 x 3.5 mm 2 QFN Package DEVICE NAME PACKAGE (PIN) BODY SIZE 2 Applications Ultrabook, Notebook, and Tablet PC Industrial and Medical Equipment Portable Equipment bq24715 VQFN (20) 3.5 mm 3.5 mm Adaptor Detection SMBus Controls V and I with High Accuracy bq24715 NVDC-1 Charger Controller Ichg PMOS BAT FET Driver HOST SMBus 2S-3S Iin, Idischarge Integrated Compensation Internal Soft Start An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA.
2 bq24715 SLUSBD1A MARCH 2013 REVISED FEBRUARY Revision History NOTE: Page numbers for previous revisions may differ from page numbers in the current version. Changes from Original (March 2013) to Revision A Page Added device number to the title and added Device Info table per the new data sheet template... 1 Contact TI via for full data sheet. 2 Submit Documentation Feedback Copyright , Texas Instruments Incorporated Product Folder Links: bq24715
3 PACKAGE OPTION ADDENDUM 29-Apr-2014 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Drawing Pins Package Qty Eco Plan BQ24715RGRR ACTIVE VQFN RGR Green (RoHS & no Sb/Br) BQ24715RGRT ACTIVE VQFN RGR Green (RoHS & no Sb/Br) (2) Lead/Ball Finish (6) MSL Peak Temp (3) Op Temp ( C) Device Marking (4/5) CU NIPDAU Level-2-260C-1 YEAR BQ715 CU NIPDAU Level-2-260C-1 YEAR BQ715 Samples (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check for the latest availability information and additional product content details. TBD: The Pb-Free/Green conversion plan has not been defined. Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes. Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above. Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material) (3) MSL, Peak Temp. - The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature. (4) There may be additional marking, which relates to the logo, the lot trace code information, or the environmental category on the device. (5) Multiple Device Markings will be inside parentheses. Only one Device Marking contained in parentheses and separated by a "~" will appear on a device. If a line is indented then it is a continuation of the previous line and the two combined represent the entire Device Marking for that device. (6) Lead/Ball Finish - Orderable Devices may have multiple material finish options. Finish options are separated by a vertical ruled line. Lead/Ball Finish values may wrap to two lines if the finish value exceeds the maximum column width. Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release. Addendum-Page 1
4 PACKAGE OPTION ADDENDUM 29-Apr-2014 In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis. Addendum-Page 2
5 PACKAGE MATERIALS INFORMATION 29-Apr-2014 TAPE AND REEL INFORMATION *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Reel Diameter Reel Width W1 A0 B0 K0 P1 W Pin1 Quadrant BQ24715RGRR VQFN RGR Q1 BQ24715RGRT VQFN RGR Q1 Pack Materials-Page 1
6 PACKAGE MATERIALS INFORMATION 29-Apr-2014 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length Width Height BQ24715RGRR VQFN RGR BQ24715RGRT VQFN RGR Pack Materials-Page 2
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Use of such information may require a license from a third party under the patents or other intellectual property of the third party, or a license from TI under the patents or other intellectual property of TI. Reproduction of significant portions of TI information in TI data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated warranties, conditions, limitations, and notices. TI is not responsible or liable for such altered documentation. Information of third parties may be subject to additional restrictions. Resale of TI components or services with statements different from or beyond the parameters stated by TI for that component or service voids all express and any implied warranties for the associated TI component or service and is an unfair and deceptive business practice. TI is not responsible or liable for any such statements. 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With such components, TI s goal is to help enable customers to design and create their own end-product solutions that meet applicable functional safety standards and requirements. Nonetheless, such components are subject to these terms. No TI components are authorized for use in FDA Class III (or similar life-critical medical equipment) unless authorized officers of the parties have executed a special agreement specifically governing such use. Only those TI components which TI has specifically designated as military grade or enhanced plastic are designed and intended for use in military/aerospace applications or environments. Buyer acknowledges and agrees that any military or aerospace use of TI components which have not been so designated is solely at the Buyer's risk, and that Buyer is solely responsible for compliance with all legal and regulatory requirements in connection with such use. TI has specifically designated certain components as meeting ISO/TS16949 requirements, mainly for automotive use. In any case of use of non-designated products, TI will not be responsible for any failure to meet ISO/TS Products Applications Audio Automotive and Transportation Amplifiers amplifier.ti.com Communications and Telecom Data Converters dataconverter.ti.com Computers and Peripherals DLP Products Consumer Electronics DSP dsp.ti.com Energy and Lighting Clocks and Timers Industrial Interface interface.ti.com Medical Logic logic.ti.com Security Power Mgmt power.ti.com Space, Avionics and Defense Microcontrollers microcontroller.ti.com Video and Imaging RFID OMAP Applications Processors TI E2E Community e2e.ti.com Wireless Connectivity Mailing Address: Texas Instruments, Post Office Box , Dallas, Texas Copyright 2014, Texas Instruments Incorporated
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