參數(shù)資料
型號(hào)： TPS65021RHA
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： 電源管理
英文描述： 3-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC40
封裝： 6 X 6 MM, PLASTIC, MO-220/VJJD-2, QFN-40
文件頁(yè)數(shù)： 1/47頁(yè)
文件大?。?/td> 1180K
代理商： TPS65021RHA
www.ti.com
FEATURES
DESCRIPTION
APPLICATIONS
SLVS613B – OCTOBER 2005 – REVISED JULY 2007
POWER MANAGEMENT IC FOR LI-ION POWERED SYSTEMS
1.2 A, 97% Efficient Step-Down Converter for
The TPS65021 is an integrated Power Management
System Voltage (VDCDC1)
IC for applications powered by one Li-Ion or
Li-Polymer cell, and which require multiple power
1 A, Up to 95% Efficient Step-Down Converter
rails. The TPS65021 provides three highly efficient,
for Memory Voltage (VDCDC2)
step-down converters targeted at providing the core
900 mA, 90% Efficient Step-Down Converter
voltage, peripheral, I/O and memory rails in a
for Processor Core (VDCDC3)
processor
based
system.
All
three
step-down
30 mA LDO/Switch for Real Time Clock
converters enter a low-power mode at light load for
maximum efficiency across the widest possible range
(VRTC)
of load currents. The TPS65021 also integrates two
2 × 200 mA General-Purpose LDO
general-purpose 200 mA LDO voltage regulators,
Dynamic Voltage Management for Processor
which are enabled with an external input pin. Each
Core
LDO operates with an input voltage range between
1.5 V and 6.5 V, allowing them to be supplied from
Preselectable LDO Voltage Using Two Digital
one of the step-down converters or directly from the
Input Pins
battery. The default output voltage of the LDOs can
Externally Adjustable Reset Delay Time
be digitally set to 4 different voltage combinations
Battery Backup Functionality
using the DEFLDO1 and DEFLDO2 pins. The serial
interface can be used for dynamic voltage scaling,
Separate Enable Pins for Inductive Converters
masking interrupts, or for dis/enabling and setting the
I2C Compatible Serial Interface
LDO output voltages. The interface is compatible
85-μA Quiescent Current
with the Fast/Standard mode
I2C
specification,
allowing transfers at up to 400 kHz. The TPS65021
Low Ripple PFM Mode
is available in a 40-pin (RHA) QFN package, and
Thermal Shutdown Protection
operates over a free-air temperature of -40
°C to
40-Pin 6 mm x 6 mm QFN Package
85
°C.
PDA
Cellular/Smart Phone
Internet Audio Player
Digital Still Camera
Digital Radio Player
Split Supply TMS320 DSP Family and μP
Solutions:
OMAP1610, OMAP1710, OMAP330, XScale
Bulverde, Samsung ARM-Based Processors,
etc.
Intel PXA270, etc.
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.
TMS320, OMAP, PowerPAD are trademarks of Texas Instruments.
Intel is a registered trademark of Intel Corporation.
I2C is a trademark of Philips Electronics.
PRODUCTION DATA information is current as of publication date.
Copyright 2005–2007, 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
TPS65021RHAR 功能描述:電池管理 6-Ch Pwr Mgmt IC for Li-Ion Systems RoHS:否 制造商:Texas Instruments 電池類(lèi)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
TPS65021RHARG4 功能描述:電池管理 6-Ch Pwr Mgmt IC for Li-Ion Systems RoHS:否 制造商:Texas Instruments 電池類(lèi)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
TPS65021RHAT 功能描述:電池管理 6-Ch Pwr Mgmt IC for Li-Ion Systems RoHS:否 制造商:Texas Instruments 電池類(lèi)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
TPS65021RHATG4 功能描述:電池管理 6-Ch Pwr Mgmt IC for Li-Ion Systems RoHS:否 制造商:Texas Instruments 電池類(lèi)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
TPS65022RHAR 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(lèi)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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