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TPS650731RSLR Datasheet(PDF) 1 Page - Texas Instruments

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No. de pieza TPS650731RSLR
Descripción Electrónicos  Single Chip Power Solution for Battery Powered Systems
Download  93 Pages
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Fabricante Electrónico  TI [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI - Texas Instruments

TPS650731RSLR Datasheet(HTML) 1 Page - Texas Instruments

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TPS65070, TPS65072, TPS65073
TPS650731, TPS650732
www.ti.com
SLVS950B – JULY 2009 – REVISED DECEMBER 2009
Single Chip Power Solution for Battery Powered Systems
Check for Samples: TPS65070, TPS65072, TPS65073, TPS650731, TPS650732
1
FEATURES
Touch Screen Interface
2
Charger/Power Path Management:
Undervoltage Lockout and Battery Fault
Comparator
2A Output Current on the Power Path
Linear Charger; 1.5A Maximum Charge
APPLICATIONS
Current
Portable Navigation Systems
100mA/500mA/ 800mA/1300mA Current
PDAs, Pocket PCs
Limit From USB Input
OMAP™ and Low Power DSP Supply
Thermal Regulation, Safety Timers
Temperature Sense Input
DESCRIPTION
3 Step-Down Converters:
The TPS6507x are single chip Power Management
2.25MHz Fixed Frequency Operation
ICs for portable applications consisting of a battery
Up to 1.5A of Output Current
charger with power path management for a single
Li-Ion or Li-Polymer cell. The charger can either be
Adjustable or Fixed Output Voltage
supplied by a USB port on pin USB or by a dc voltage
VIN Range From 2.8V to 6.3V
from a wall adapter connected to pin AC. Three
Power Save Mode at Light Load Current
highly efficient 2.25MHz step-down converters are
targeted at providing the core voltage, memory and
Output Voltage Accuracy in PWM Mode
I/O voltage in a processor based system. The
±1.5%
step-down converters enter a low power mode at light
Typical 19
μA Quiescent per Converter
load for maximum efficiency across the widest
100% Duty Cycle for Lowest Dropout
possible range of load currents. For low noise
applications the devices can be forced into fixed
LDOs:
frequency
PWM
using
the
I2C
interface.
The
Fixed Output Voltage
step-down converters allow the use of small inductors
Dynamic Voltage Scaling on LDO2
and capacitors to achieve a small solution size. The
TPS6507x also integrate two general purpose LDOs
20
μA Quiescent Current
for an output current of 200mA. These LDOs can be
200mA Maximum Output Current
used
to
power
an
SD-card
interface
and
an
VIN Range From 1.8V to 6.3V
always-on rail, but can be used for other purposes as
well. Each LDO operates with an input voltage range
wLED Boost Converter:
between 1.8V and 6.3V allowing them to be supplied
Internal Dimming Using I2C
from one of the step-down converters or directly from
Up to 2 × 10 LEDs
the main battery. An inductive boost converter with
two programmable current sinks power two strings of
Up to 25mA per String With Internal Current
white LEDs.
Sink
I2C Interface
The TPS6507x come in a 48-pin leadless package
(6mm × 6mm QFN) with a 0,4mm pitch.
10 Bit A/D Converter
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
OMAP, PowerPAD are trademarks of Texas Instruments.
UNLESS
OTHERWISE
NOTED
this
document
contains
Copyright © 2009, Texas Instruments Incorporated
PRODUCTION DATA information current as of publication date.
Products conform to specifications per the terms of Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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