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TPS65721RSNR PDF预览

TPS65721RSNR

更新时间： 2024-01-02 05:50:33
品牌 Logo 应用领域
德州仪器 - TI 电信集成电路电信电路PC蓝牙
页数 文件大小 规格书
50页 1633K
描述
PMU for Bluetooth Headsets

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TPS65721RSNR 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：QFN
包装说明：HVQCCN,针数：32
Reach Compliance Code：compliantHTS代码：8542.39.00.01
风险等级：1.25JESD-30 代码：S-PQCC-N32
JESD-609代码：e4长度：4 mm
湿度敏感等级：2功能数量：1
端子数量：32最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：HVQCCN封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：0.8 mm
标称供电电压：3.6 V表面贴装：YES
电信集成电路类型：TELECOM CIRCUIT温度等级：INDUSTRIAL
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)端子形式：NO LEAD
端子节距：0.4 mm端子位置：QUAD
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：4 mm
Base Number Matches：1

TPS65721RSNR 数据手册

 浏览型号TPS65721RSNR的Datasheet PDF文件第2页浏览型号TPS65721RSNR的Datasheet PDF文件第3页浏览型号TPS65721RSNR的Datasheet PDF文件第4页浏览型号TPS65721RSNR的Datasheet PDF文件第5页浏览型号TPS65721RSNR的Datasheet PDF文件第6页浏览型号TPS65721RSNR的Datasheet PDF文件第7页 
TPS65720  
TPS65721  
www.ti.com  
SLVS979 –OCTOBER 2009  
PMU for Bluetooth Headsets  
Check for Samples: TPS65720 TPS65721  
1
FEATURES  
DESCRIPTION  
2
•
Battery Charger With Power Path Management  
•
28 V Rated Power Path With:  
The TPS65720 is a small power management unit  
targeted for Bluetooth headsets or other portable low  
power consumer end equipments. It contains an USB  
friendly Lithium-Ion battery charger, a high efficient  
step down converter, a low dropout linear regulator  
and additional supporting functions. The device is  
controlled by an I2C interface. Several settings can  
be customized by the use of non volatile memory  
which is factory programmed. The 2.25MHz  
step-down converter enters 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 mode using the I2C compatible  
interface. The device allows the use of small  
inductors and capacitors to achieve a small solution  
size. TPS65720 provides an output current of up to  
200mA on the DCDC converter. The TPS65720 also  
integrates one 200mA LDO. The LDO operates with  
an input voltage range between 1.8V and 5.6V  
allowing it to be supplied from the output of the  
step-down converter or directly from the system  
voltage.  
–
–
100 mA Input Current Limit  
500 mA input Current Limit  
•
•
•
•
•
300 mA Charge Current  
200 mA Step-Down Converter for TPS65720  
400 mA Step-Down Converter for TPS65721  
Up to 92% Efficiency  
VIN Range for DCDC Converter From 2.3V to  
5.6V  
•
•
•
•
•
•
•
•
•
2.25 MHz Fixed Frequency Operation  
Power Save Mode at Light Load Current  
Output Voltage Accuracy in PWM Mode ±2%  
100% Duty Cycle for Lowest Dropout  
1 General Purpose 200mA LDO  
VIN Range for LDO From 1.8V to 5.6V  
I2C Compatible Interface  
4GPIOs  
Available in a 25 Ball WCSP With 0,4mm Pitch  
and in 4mm × 4mm 32-Pin QFN Package  
The TPS65720 comes in a small 25-ball wafer chip  
scale package (WCSP) with 0,4mm ball pitch or a  
4mm × 4mm QFN package with a 0,4mm pitch  
(TPS65721).  
APPLICATIONS  
•
Bluetooth Headsets  
•
Handheld Equipment  
TPS65720  
BAT  
AC  
BAT  
1uF  
10k  
LiIon  
TS  
charger / power path  
NTC  
ISET  
R5  
SYS  
SYS  
3k  
a charge  
current of150mA  
4.7uF / 6.3V  
for  
2.2uH  
VDCDC1=2.05  
V
L1  
R1  
360k  
FB_DCDC1  
DCDC1  
200mA  
4.7uF  
22pF  
R2  
150k  
bluetooth chip  
VINLDO1  
2.2uF  
VLDO1 = 1.85V  
LDO1  
200mA  
VLDO1  
Vin  
4.7uF / 4V  
2 x 100k  
2 x 3.3k  
RESET  
INT  
reset  
generator  
Reset  
INT  
/
startup logic  
SYS  
R6  
HOLD_LDO1  
GPIO  
PB_IN  
HOLD_DCDC1  
ON /  
OFF  
SCLK  
SDAT  
SCLK  
SDAT  
I2C interface  
PGND  
AGND  
GPIO0  
GPIO1  
GPIO or  
5mA current  
sink  
GPIO2  
GPIO3  
to SYS or VDCDC1  
depending on LED  
forward voltage  
indication LEDs  
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.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2009, Texas Instruments Incorporated  
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