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TPS61029QDPNRQ1

更新时间： 2024-10-03 11:08:07
品牌 Logo 应用领域
德州仪器 - TI 升压转换器
页数 文件大小 规格书
27页 764K
描述
符合 AEC-Q100 标准的 0.9V 至 5.5V 输入范围、1.8A 升压转换器 | DPN | 10 | -40 to 125

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TPS61029QDPNRQ1 数据手册

 浏览型号TPS61029QDPNRQ1的Datasheet PDF文件第2页浏览型号TPS61029QDPNRQ1的Datasheet PDF文件第3页浏览型号TPS61029QDPNRQ1的Datasheet PDF文件第4页浏览型号TPS61029QDPNRQ1的Datasheet PDF文件第5页浏览型号TPS61029QDPNRQ1的Datasheet PDF文件第6页浏览型号TPS61029QDPNRQ1的Datasheet PDF文件第7页 
TPS61025-Q1  
TPS61027-Q1  
TPS61029-Q1  
www.ti.com  
SLVSA31 –NOVEMBER 2009  
96% EFFICIENT SYNCHRONOUS BOOST CONVERTERS  
Check for Samples :TPS61029-Q1  
1
FEATURES  
DESCRIPTION  
2
•
•
•
Qualified for Automotive Applications  
96% Efficient Synchronous Boost Converter  
The TPS6102x devices provide a power supply  
solution for products powered by either a one-cell,  
two-cell, or three-cell alkaline, NiCd or NiMH, or  
one-cell Li-Ion or Li-polymer battery. Output currents  
can go as high as 200 mA while using a single-cell  
alkaline, and discharge it down to 0.9 V. It can also  
be used for generating 5 V at 500 mA from a 3.3-V  
rail or a Li-Ion battery. The boost converter is based  
on a fixed frequency, pulse-width-modulation (PWM)  
controller using a synchronous rectifier to obtain  
maximum efficiency. At low load currents the  
converter enters the Power Save mode to maintain a  
high efficiency over a wide load current range. The  
Power Save mode can be disabled, forcing the  
converter to operate at a fixed switching frequency.  
The maximum peak current in the boost switch is  
limited to a value of 800 mA, 1500 mA or 1800mA  
depending on the device version.  
Output Voltage Remains Regulated When  
Input Voltage Exceeds Nominal Output Voltage  
•
•
•
Device Quiescent Current: 25 µA (Typ)  
Input Voltage Range: 0.9 V to 6.5 V  
Fixed and Adjustable Output Voltage Options  
Up to 5.5 V  
•
Power Save Mode for Improved Efficiency at  
Low Output Power  
•
•
Low Battery Comparator  
Low EMI-Converter (Integrated Antiringing  
Switch)  
•
•
•
Load Disconnect During Shutdown  
Over-Temperature Protection  
Small 3-mm × 3-mm QFN-10 Package  
The TPS6102x devices keep the output voltage  
regulated even when the input voltage exceeds the  
nominal output voltage. The output voltage can be  
programmed by an external resistor divider, or is  
fixed internally on the chip. The converter can be  
disabled to minimize battery drain. During shutdown,  
the load is completely disconnected from the battery.  
A low-EMI mode is implemented to reduce ringing  
and, in effect, lower radiated electromagnetic energy  
when the converter enters the discontinuous  
conduction mode. The device is packaged in a 10-pin  
QFN PowerPAD™ package measuring 3 mm x 3 mm  
(DRC).  
APPLICATIONS  
•
All One-Cell, Two-Cell and Three-Cell Alkaline,  
NiCd or NiMH or Single-Cell Li Battery  
Powered Products  
•
•
•
•
•
Portable Audio Players  
PDAs  
Cellular Phones  
Personal Medical Products  
Camera White LED Flash Light  
L1  
V
O
VOUT  
FB  
SW  
6.8 µH  
3.3 V Up To  
200 mA  
C2  
2.2 µF  
C3  
47 µF  
VBAT  
R3  
R4  
R1  
R2  
C1  
10 µF  
EN  
0.9-V To  
6.5-V Input  
R5  
LBI  
PS  
LBO  
Low Battery  
Output  
GND  
PGND  
TPS61020  
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.  
UNLESS OTHERWISE NOTED this document contains  
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.  
Copyright © 2009, Texas Instruments Incorporated  
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