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TPS628682ARQY Dataheets PDF



Part Number TPS628682ARQY
Manufacturers Texas Instruments
Logo Texas Instruments
Description 4-A/6-A Synchronous Step-Down Converter
Datasheet TPS628682ARQY DatasheetTPS628682ARQY Datasheet (PDF)

www.ti.com TPS62868, TPS62869 SLVSFS3A – SEPTEMBER 2020 – TREPVSIS6E2D86D8E,CTEMPBSE6R22806290 SLVSFS3A – SEPTEMBER 2020 – REVISED DECEMBER 2020 TPS62868x 2.4-V to 5.5-V Input, 4-A/6-A Synchronous Step-Down Converter with I2C Interface in QFN Package 1 Features • 11-mΩ and 10.5-mΩ internal power MOSFETs • >90% efficiency (0.9-V output) • DCS-Control topology for fast transient response • Available output voltage ranges for dynamic voltage scaling (DVS) through I2C – Output voltage range fro.

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www.ti.com TPS62868, TPS62869 SLVSFS3A – SEPTEMBER 2020 – TREPVSIS6E2D86D8E,CTEMPBSE6R22806290 SLVSFS3A – SEPTEMBER 2020 – REVISED DECEMBER 2020 TPS62868x 2.4-V to 5.5-V Input, 4-A/6-A Synchronous Step-Down Converter with I2C Interface in QFN Package 1 Features • 11-mΩ and 10.5-mΩ internal power MOSFETs • >90% efficiency (0.9-V output) • DCS-Control topology for fast transient response • Available output voltage ranges for dynamic voltage scaling (DVS) through I2C – Output voltage range from 0.2-V to 0.8375-V with 2.5-mV step size – Output voltage range from 0.4-V to 1.675-V with 5-mV step size – Output voltage range from 0.8-V to 3.35-V with 10-mV step size • 1% output voltage accuracy • 2.4-MHz switching frequency • Selection by external resistor – Start-up output voltage – I2C slave address • Selection by I2C interface – Power save mode or forced PWM mode – Output discharge – Hiccup or latching short-circuit protection – Output voltage ramp speed • Thermal pre-warning and thermal shutdown • Power good indicator pin option with window comparator • I2C-compatible interface up to 3.4 Mbps • Available in 1.5-mm x 2.5-mm x 1.0-mm 9-pin QFN package with 0.5-mm pitch • Also available in WCSP package: TPS62866, 6-A synchronous step-down converter with I2C interface in 1.05-mm x 1.78-mm WCSP package • Create a custom design using with TPS62868/9 with the WEBENCH® Power Designer VIN 2.4 V to 5.5 V TPS62868/9 VIN SW L1 0.22 µH VOUT C1 I2C VOS EN SCL SDA VSET/VID or PG AGND PGND C2 R1 Typical Application 2 Applications • Core supply for FPGAs, CPUs, ASICs, or video chipsets • IP network camera • Solid-state drives • Optical modules • LPDDR5 VDDQ rail supply 3 Description The TPS62868 and TPS62869 devices are highfrequency synchronous step-down converters with I2C interface which provide an efficient, adaptive, and high power-density solution. At medium to heavy loads, the converter operates in PWM mode and automatically enters Power Save Mode operation at light load to maintain high efficiency over the entire load current range. The device can also be forced in PWM mode operation for smallest output voltage ripple. Together with its DCS-Control architecture, excellent load transient performance and tight output voltage accuracy are achieved. Through the I 2C interface and a dedicated VID pin, the output voltage is quickly adjusted to adapt the power consumption of the load to the ever-changing performance needs of the application. Device Information PART NUMBER PACKAGE(1) BODY SIZE (NOM) TPS62868 TPS62869 QFN (9) 1.5 x 2.5 x 1.0 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Efficiency (%) 95 90 85 80 75 70 65 60 55 50 45 100P VOUT = 0.6V, PWM VOUT = 0.6V, PSM VOUT = 1.2V, PSM VOUT = 0.9V, PWM VOUT = 0.9V, PSM VOUT = 1.2V, PWM 1m 10m 100m 1 Load (A) Efficiency at VIN = 3.3 V 6 D000 CopyrighAtn©I2M0P20OTReTxaAsNInTsNtruOmTeInCtsEInactotrhpeoreatnedd of this data sheet addresses availability, warranty, changes, use iSnusbamfeittyD-corcituicmael anpt pFleiceadtbioancsk, 1 intellectual property matters and other important disclaimers. PRODUCTION DATA. Product Folder Links: TPS62868 TPS62869 TPS62868, TPS62869 SLVSFS3A – SEPTEMBER 2020 – REVISED DECEMBER 2020 www.ti.com Table of Contents 1 Features............................................................................1 2 Applications..................................................................... 1 3 Description.......................................................................1 4 Revision History.............................................................. 2 5 Device Options................................................................ 3 6 Pin Configuration and Functions...................................4 7 Specifications.................................................................. 5 7.1 Absolute Maximum Ratings ....................................... 5 7.2 ESD Ratings .............................................................. 5 7.3 Recommended Operating Conditions ........................5 7.4 Thermal Information ...................................................5 7.5 Electrical Characteristics ............................................7 7.6 I2C InterfaceTiming Characteristics ........................... 8 7.7 Typical Characteristics.............................................. 11 8 Detailed Description......................................................12 8.1 Overview................................................................... 12 8.2 Functional Block Diagram......................................... 12 8.3 Feature Description...................................................12 8.4 Device Functional Modes..........................................14 8.5 Programming............................................................ 16 8.6 Register Map..........................


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