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TPS61325YFF PDF预览

TPS61325YFF

更新时间: 2024-10-28 05:53:11
品牌 Logo 应用领域
德州仪器 - TI 显示驱动器驱动程序和接口接口集成电路闪光灯
页数 文件大小 规格书
62页 2299K
描述
1.5A/4.1A Multiple LED Camera Flash Driver With I2CTM Compatible Interface

TPS61325YFF 技术参数

生命周期:Obsolete零件包装代码:BGA
包装说明:VFBGA,针数:20
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.17
Is Samacsys:N数据输入模式:SERIAL
接口集成电路类型:LED DISPLAY DRIVERJESD-30 代码:R-XBGA-B20
长度:2.17 mm复用显示功能:NO
功能数量:1区段数:2
端子数量:20最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:UNSPECIFIED
封装代码:VFBGA封装形状:RECTANGULAR
封装形式:GRID ARRAY认证状态:Not Qualified
座面最大高度:0.625 mm最大供电电压:5.5 V
最小供电电压:2.5 V标称供电电压:3.6 V
表面贴装:YES温度等级:INDUSTRIAL
端子形式:BALL端子节距:0.4 mm
端子位置:BOTTOM宽度:1.928 mm
最小 fmax:1.7 MHzBase Number Matches:1

TPS61325YFF 数据手册

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TPS61325  
www.ti.com  
SLVS977 FEBRUARY 2010  
1.5A/4.1A Multiple LED Camera Flash Driver With I2CTM Compatible Interface  
1
FEATURES  
DESCRIPTION  
23  
Four Operational Modes  
The TPS6132x device is based on a high-frequency  
synchronous boost topology with constant current  
sinks to drive up to three white LEDs in parallel  
(445mA/890mA/445mA maximum flash current). The  
extended high-current mode (HC_SEL) allows up  
to 1025mA/2050mA/1025mA flash current out of  
the storage capacitor.  
DC Light and Flashlight  
Voltage Regulated Converter: 3.8V...5.7V  
Standby: 2mA (typ.)  
Storage Capacitor Friendly Solution  
Automatic VF and ESR Calibration  
The high-capacity storage capacitor on the output of  
the boost regulator provides the high-peak flash LED  
current, thereby reducing the peak current demand  
from the battery to a minimum.  
Power-Save Mode for Improved Efficiency at  
Low Output Power, Up to 95% Efficiency  
Output Voltage Remains Regulated When  
Input Voltage Exceeds Nominal Output Voltage  
I2C Compatible Interface up to 3.4Mbits/s  
Dual Wire Camera Module Interface  
Zero Latency Tx-Masking Input  
LED Temperature Monitoring  
Privacy Indicator LED Output  
Integrated LED Safety Timer  
The 2-MHz switching frequency allows the use of  
small and low profile 2.2mH inductors. To optimize  
overall efficiency, the device operates with a 400mV  
LED feedback voltage.  
The TPS6132x device not only operates as a  
regulated current source, but also as a standard  
voltage boost regulator. The device keeps the output  
voltage regulated even when the input voltage  
exceeds the nominal output voltage. The device  
enters power-save mode operation at light load  
currents to maintain high efficiency over the entire  
load current range.  
GPIO/Flash Ready Output  
Total Solution Size of Less Than 25 mm2  
(<1mm height)  
Available in a 20-Pin NanoFree™ (CSP)  
To simplify DC light and flashlight synchronization  
APPLICATIONS  
with the camera module, the device offers  
a
dedicated control interface (STRB0, STRB1) for zero  
latency LED turn-on time.  
Single/Dual/Triple White LED Flashlight Supply  
for Cell Phones and Smart-Phones  
LED Based Xenon "Killer" Flashlight  
TPS61325  
L
SW  
SW  
VOUT  
2.2 mH  
AVIN  
CO  
10mF  
2.5 V..5.5 V  
HC_SEL  
CI  
BAL  
D1  
D2  
4.7mF  
PHONE POWER ON  
LED1  
LED2  
LED3  
STRB0  
STRB1  
SCL  
SDA  
I2C I/F  
INDLED  
Privacy  
Indicator  
1.8V  
Tx-MASK  
TS  
GPIO/PG  
NTC  
PGND  
PGND  
AGND  
FLASH READY  
Figure 1. Typical Application  
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
3
NanoFree is a trademark of Texas Instruments.  
I2C is a trademark of NXP Semiconductors.  
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 © 2010, Texas Instruments Incorporated  

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