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TPS650702RSLR PDF预览

TPS650702RSLR

更新时间： 2024-10-15 15:54:59
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
97页 1876K
描述
IC SPECIALTY ANALOG CIRCUIT, Analog IC:Other

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TPS650702RSLR 技术参数

是否Rohs认证： 符合生命周期：Obsolete
包装说明：,Reach Compliance Code：compliant
HTS代码：8542.39.00.01风险等级：5.83
模拟集成电路 - 其他类型：ANALOG CIRCUITJESD-609代码：e4
湿度敏感等级：3峰值回流温度（摄氏度）：260
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)处于峰值回流温度下的最长时间：NOT SPECIFIED
Base Number Matches：1

TPS650702RSLR 数据手册

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TPS65070, TPS65072, TPS65073  
TPS650731, TPS650732, TPS650701, TPS650702, TPS650721  
www.ti.com  
SLVS950G –JULY 2009–REVISED MAY 2013  
Single Chip Power Solution for Battery Powered Systems  
Check for Samples: TPS65070, TPS65072, TPS65073, TPS650731, TPS650732, TPS650701, TPS650702, TPS650721  
1
FEATURES  
•
•
Touch Screen Interface  
Undervoltage Lockout and Battery Fault  
Comparator  
2
•
Charger/Power Path Management:  
–
–
2A Output Current on the Power Path  
Linear Charger; 1.5A Maximum Charge  
Current  
APPLICATIONS  
•
•
•
Portable Navigation Systems  
PDAs, Pocket PCs  
–
100mA/500mA/ 800mA/1300mA Current  
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  
ICs for portable applications consisting of a battery  
charger with power path management for a single Li-  
Ion or Li-Polymer cell. The charger can either be  
supplied by a USB port on pin USB or by a dc voltage  
from a wall adapter connected to pin AC. Three  
highly efficient 2.25MHz step-down converters are  
targeted at providing the core voltage, memory and  
I/O voltage in a processor based system. The step-  
down converters enter a low power mode at light load  
for maximum efficiency across the widest possible  
range of load currents. For low noise applications the  
devices can be forced into fixed frequency PWM  
using the I2C interface. The step-down converters  
allow the use of small inductors and capacitors to  
achieve a small solution size. The TPS6507x also  
integrate two general purpose LDOs for an output  
current of 200mA. These LDOs can be used to power  
an SD-card interface and an always-on rail, but can  
be used for other purposes as well. Each LDO  
operates with an input voltage range between 1.8V  
and 6.3V allowing them to be supplied from one of  
the step-down converters or directly from the main  
battery. An inductive boost converter with two  
programmable current sinks power two strings of  
white LEDs.  
–
–
–
–
–
–
2.25MHz Fixed Frequency Operation  
Up to 1.5A of Output Current  
Adjustable or Fixed Output Voltage  
VIN Range From 2.8V to 6.3V  
Power Save Mode at Light Load Current  
Output Voltage Accuracy in PWM Mode  
±1.5%  
–
–
Typical 19 μA Quiescent Current per  
Converter  
100% Duty Cycle for Lowest Dropout  
•
•
LDOs:  
–
–
–
–
–
Fixed Output Voltage  
Dynamic Voltage Scaling on LDO2  
20μA Quiescent Current  
200mA Maximum Output Current  
VIN Range From 1.8V to 6.3V  
wLED Boost Converter:  
–
–
–
Internal Dimming Using I2C  
Up to 2 × 10 LEDs  
Up to 25mA per String With Internal Current  
Sink  
The TPS6507x come in a 48-pin leadless package  
(6mm × 6mm QFN) with a 0.4mm pitch.  
•
•
I2C Interface  
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  
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 © 2009–2013, Texas Instruments Incorporated  
 
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