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| 型號： | TPS650731RSL |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PQCC48 |
| 封裝： | 6 X 6 MM, 0.40 MM PITCH, PLASTIC, QFN-48 |
| 文件頁數(shù)： | 1/93頁 |
| 文件大?。?/td> | 1605K |
| 代理商： | TPS650731RSL |
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www.ti.com
SLVS950B – JULY 2009 – REVISED DECEMBER 2009
Single Chip Power Solution for Battery Powered Systems
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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS650731RSLR | 功能描述:PMIC 解決方案 5Ch Pwr Mgmt IC RoHS:否 制造商:Texas Instruments 安裝風格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
| TPS650731RSLT | 功能描述:PMIC 解決方案 5Ch Pwr Mgmt IC RoHS:否 制造商:Texas Instruments 安裝風格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
| TPS650732EVM-430 | 功能描述:電源管理IC開發(fā)工具 TPS650732 Eval Mod RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| TPS650732RSLR | 功能描述:PMIC 解決方案 5Ch Pwr Mgmt IC RoHS:否 制造商:Texas Instruments 安裝風格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
| TPS650732RSLT | 功能描述:PMIC 解決方案 5Ch Pwr Mgmt IC RoHS:否 制造商:Texas Instruments 安裝風格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
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