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參數(shù)資料
| 型號： | TPS650231RSBT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC40 |
| 封裝： | 5 X 5 MM, GREEN, PLASTIC, WQFN-40 |
| 文件頁數(shù)： | 1/57頁 |
| 文件大?。?/td> | 1419K |
| 代理商： | TPS650231RSBT |
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www.ti.com
SLVSAE3 – AUGUST 2010
POWER MANAGEMENT IC FOR LI-ION POWERED SYSTEMS
Check for Samples: TPS650231
1
FEATURES
DESCRIPTION
23
1.7 A, 90% Efficient Step-Down Converter for
Processor Core (VDCDC1)
The TPS650231 is an integrated Power Management
IC
for
applications
powered
by
one
Li-Ion
or
1.2 A, Up to 95% Efficient Step-Down
Li-Polymer cell, and which require multiple power
Converter for System Voltage (VDCDC2)
rails. The TPS650231 provides three highly efficient,
0.8 A, 92% Efficient Step-Down Converter for
step-down converters targeted at providing the core
Memory Voltage (VDCDC3)
voltage, peripheral, I/O and memory rails in a
30 mA LDO/Switch for Real Time Clock (VRTC)
processor based system. The core converter allows
for on-the-fly voltage changes via serial interface,
2 × 200 mA General-Purpose LDO
allowing the system to implement dynamic power
Dynamic Voltage Management for Processor
savings. All three step-down converters enter a
Core
low-power mode at light load for maximum efficiency
Preselectable LDO Voltage Using Two Digital
across the widest possible range of load currents.
Input Pins
The TPS650231 also integrates two general-purpose
200 mA LDO voltage regulators, which are enabled
Externally Adjustable Reset Delay Time
with an external input pin. Each LDO operates with
Battery Backup Functionality
an input voltage range between 1.5 V and 6.5 V,
Separate Enable Pins for Inductive Converters
allowing them to be supplied from one of the
step-down converters or directly from the battery. The
I2C Compatible Serial Interface
default output voltage of the LDOs can be digitally set
85-mA Quiescent Current
to
4
different
voltage
combinations
using
the
Low Ripple PFM Mode
DEFLDO1 and DEFLDO2 pins. The serial interface
can be used for dynamic voltage scaling, masking
Thermal Shutdown Protection
interrupts, or for dis/enabling and setting the LDO
40 Pin, 5 mm × 5 mm QFN /RSB) Package or
output voltages. The interface is compatible with the
49 Ball 3 mm x 3 mm WCSP (YFF) package
Fast/Standard
mode
I2C
specification,
allowing
transfers at up to 400 kHz. The TPS650231 is
APPLICATIONS
available in a 40-pin (RSB) QFN package or in a 49
ball 3mm x 3mm WCSP (YFF) package, and
Smart phones
operates over a free-air temperature of –40°C to
Netbooks / MIDs
85°C.
Portable Media Players
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
PowerPAD is a trademark of Texas Instruments.
3
I2C is a trademark of NXP Semiconductors.
PRODUCTION DATA information is current as of publication date.
Copyright 2010, Texas Instruments Incorporated
Products conform to specifications per the terms of the 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 |
|---|---|
| TPS650231YFFR | 功能描述:電池管理 Pwr Mgmt IC RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| TPS650231YFFT | 功能描述:電池管理 Pwr Mgmt IC RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| TPS65023BEVM-664 | 功能描述:電源管理IC開發(fā)工具 TPS65023B 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 |
| TPS65023BRSBR | 功能描述:電池管理 Pwr Mgmt IC for Li/Ion-Pwred Sys RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| TPS65023BRSBT | 功能描述:電池管理 Pwr Mgmt IC for Li/Ion-Pwred Sys RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
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