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TPS65090ARVNR
Frontend PMU With Switchmode Charger for 2-3 Cells In Series
VSYSx
Product
Sample &
Technical
Tools &
Support & Wide Input Voltage • Battery-Powered Products Using2to3 Li-Cellsin
Management: Series Notebook Computers– VIN Range Mobile PCs and Mobile Internet Devices– Upto 4-A Path Industrial Metering Equipment– Switched-Mode
Charge Current • Personal Medical Products JEITA Compliant
3 Description– Thermal
The TPS65090A device is– 2 Temperature managementIC for portable• 3 Step-Down a battery charger with power
dualor triple Li-Ionor Li-Polymer– High Efficiency
The charger canbe directly connectedRange
wall adapter. Three highly– VIN Range From6Vto17V converters are targeted for– 2 Fixed Output Voltages(5V and 3.3V) system voltage,a fixed 3.3-V system voltage, andan
adjustable voltage rail. The step-down converters– Upto5Aof Continuous Output Current
entera low power modeat light load for maximum– 1 Adjustable Output Voltage (From1Vto5V) efficiency across the widest possible rangeof load– Upto4Aof Continuous Output Current currents. The step-down converters allow the useof Output Voltage Accuracy ±1% small inductors and capacitorsto achievea small
solution size. The TPS65090A also integrates two– Typical 30-μA Quiescent Current Per general-purpose always-on LDOs for powering circuitConverter blocks which control the system while shut down.• 2 Always-On LDOs: Each LDO operates with an input voltage range from 2 Fixed Output Voltages(5V and 3.3V) 6Vto 17V, allowing the LDOsto be supplied from
the wall adapteror directly from the main battery– Output Voltage Accuracy ±1% pack.– Typical 10-μA Quiescent Current per LDO
Seven load switches are built into the device. These• 7 Current-Limited Load Switches: load switches can be used to control the power– One System Voltage Switch With 1-A Current supply individually for certain circuit blocksin theLimit application circuit. The current flowing through the
load switches, as well as the output currentof the– One 5-V Switch With 200-mA Current Limit,
step-down converters, the input current from the ACReverse-Voltage Protected
adapter and the charge currentis monitored and can– One 3.3-V Switch With 3-A Current Limit be read out using the digital interface.– Four 3.3-V Switches With 1-A Current Limit
Device Information(1)– All Switches ControlledbyI2C Interface (100 kHz) Supported
(1) Forall available packages, see the orderable addendumat
the endofthe data sheet. Converter
