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TPS61311YFFT

更新时间： 2024-02-03 12:39:59

品牌	Logo	应用领域
德州仪器 - TI		摄像机驱动闪光灯显示驱动器驱动程序和接口
页数	文件大小	规格书
57页	2417K
描述
具有 I2C 兼容接口、支持驱动多个摄像机 LED 闪光灯的 1.5A 驱动器 \| YFF \| 20 \| -40 to 85

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TPS61311YFFT 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	包装说明：	VFBGA, BGA20,4X5,16
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	Factory Lead Time：	6 weeks
风险等级：	1.65	数据输入模式：	SERIAL
输入特性：	STANDARD	接口集成电路类型：	LED DISPLAY DRIVER
JESD-30 代码：	R-PBGA-B20	JESD-609代码：	e1
湿度敏感等级：	1	复用显示功能：	NO
功能数量：	1	区段数：	3
端子数量：	20	最高工作温度：	85 °C
最低工作温度：	-40 °C	输出特性：	CONSTANT-CURRENT
封装主体材料：	PLASTIC/EPOXY	封装代码：	VFBGA
封装等效代码：	BGA20,4X5,16	封装形状：	RECTANGULAR
封装形式：	GRID ARRAY, VERY THIN PROFILE, FINE PITCH	电源：	3.6 V
认证状态：	Not Qualified	座面最大高度：	0.625 mm
子类别：	Display Drivers	最大压摆率：	0.7 mA
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	端子面层：	Tin/Silver/Copper (Sn/Ag/Cu)
端子形式：	BALL	端子节距：	0.4 mm
端子位置：	BOTTOM	最小 fmax：	0.1 MHz
Base Number Matches：	1

TPS61311YFFT 数据手册

TPS61310, TPS61311

www.ti.com

SLVS978C –MARCH 2010–REVISED NOVEMBER 2012

1.5A Multiple LED Camera Flash and Video Light Driver With I²C^TMCompatible Interface

Check for Samples: TPS61310, TPS61311

FEATURES

DESCRIPTION

The TPS6131x family is an integrated solution with a

wide feature set for driving up to three LEDs for still-

camera flash strobe and video-camera lighting

•

Operational Modes:

–

Video Light and Flash Strobe

Voltage Regulated Converter: 3.8V...5.7V

with Down Mode

applications. It is based on

a high efficiency

synchronous boost topology with combinable current

sinks to drive up to three white LEDs in parallel. The

2MHz switching frequency allows the use of small

and low-profile 2.2μH inductors. To optimize overall

efficiency, the device operates with a low LED-

feedback voltage and regulated output-voltage

adaptation.

–

Standby: 2μA (typ.)

•

LED V_FMeasurement

Power-Save Mode for Improved Efficiency at

Low Output Power, Up to 95% Efficiency

•

I²C Compatible Interface up to 3.4Mbits/s

Dual Wire Camera Module Interface

Zero Latency Tx-Masking Input

Hardware Reset Input

The device integrates

control scheme that

automatically optimizes the LED current flash budget

as a function of the battery voltage condition.

The TPS6131x not only operates as a regulated

current source, but also as a standard voltage boost

regulator. The device enters power-save mode

operation at light load currents to maintain high

efficiency over the entire load current range. These

operating modes can be useful to supply other high

power devices in the system (e.g. hands-free audio

PA).

Privacy Indicator LED Output

GPIO/Power Good Output

Various Safe Operation and Robust Handling

Features:

–

LED Temperature Monitoring

Open/Short LED Detection/Protection

Integrated LED Safety Timer

To simplify video light and flash synchronization with

the camera module, the device offers a dedicated

control interface (STRB0, STRB1) for zero latency

Automatic Battery Voltage Droop

Monitoring and Protection

LED turn-on time.

–

Smooth LED Current Ramp-Up/Down

TPS61310

Undervoltage Lockout

Total Solution Size of Less Than 25mm²

VOUT

•

2.2 mH

AVIN

C_O

Available in a 20-Pin NanoFree™ (CSP)

2.5 V..5.5 V

C_I

10mF

4.7mF

APPLICATIONS

NRESET

LED1

LED2

LED3

•

Single/Dual/Triple White LED Flash Supply for

Cell Phones and Smart-Phones

STRB0

STRB1

SCL

SDA

I²C I/F

•

Video Lighting for Digital Video Applications

General Lighting Applications

INDLED

Privacy

Indicator

Tx-MASK

Audio Amplifier Power Supply

GPIO/PG

NTC

PGND

AGND

Figure 1. Typical Application

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.

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.

12 3 4 5 6 7...57

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