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TPS60250RTETG4

更新时间： 2024-02-27 03:30:34
品牌 Logo 应用领域
德州仪器 - TI 稳压器开关式稳压器或控制器电源电路开关式控制器功效泵
页数 文件大小 规格书
25页 891K
描述
HIGH EFFICIENCY CHARGE PUMP FOR 7 WLEDs WITH I2C INTERFACE

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中文翻译

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TPS60250RTETG4 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：QFN
包装说明：3 X 3 MM, GREEN, PLASTIC, QFN-16针数：16
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.23
Is Samacsys：N模拟集成电路 - 其他类型：SWITCHED CAPACITOR CONVERTER
控制模式：VOLTAGE-MODE最大输入电压：6 V
最小输入电压：3 V标称输入电压：3.5 V
JESD-30 代码：S-PQCC-N16JESD-609代码：e4
长度：3 mm湿度敏感等级：2
功能数量：1端子数量：16
最高工作温度：85 °C最低工作温度：-40 °C
最大输出电流：0.65 A封装主体材料：PLASTIC/EPOXY
封装代码：HVQCCN封装等效代码：LCC16,.12SQ,20
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子类别：Other Analog ICs
表面贴装：YES最大切换频率：750 kHz
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：0.5 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：3 mmBase Number Matches：1

TPS60250RTETG4 数据手册

 浏览型号TPS60250RTETG4的Datasheet PDF文件第2页浏览型号TPS60250RTETG4的Datasheet PDF文件第3页浏览型号TPS60250RTETG4的Datasheet PDF文件第4页浏览型号TPS60250RTETG4的Datasheet PDF文件第5页浏览型号TPS60250RTETG4的Datasheet PDF文件第6页浏览型号TPS60250RTETG4的Datasheet PDF文件第7页 
TPS60250  
TPS60252  
www.ti.com............................................................................................................................................................ SLVS769C–APRIL 2007–REVISED APRIL 2008  
HIGH EFFICIENCY CHARGE PUMP FOR 7 WLEDs WITH I2C INTERFACE  
1
FEATURES  
•
•
•
3.0 V to 6.0 V Input Voltage Range  
DESCRIPTION  
×1 and ×1.5 Charge Pump  
Fully Programmable Current with I2C  
The TPS60250/2 are high efficiency, constant  
frequency charge pump DC/DC converters that use  
dual mode 1× and 1.5× conversions to maximize  
efficiency over the input voltage range. The devices  
drive up to five white LEDs for the main display and  
up to two white LEDs for the sub display with  
regulated constant current for uniform intensity. By  
utilizing adaptive 1×/1.5× charge pump modes and  
very low-dropout current regulators, the TPS60250/2  
achieve high efficiency over the full 1-cell  
lithium-battery input voltage range.  
–
64 Dimming Steps with 25mA Maximum  
(Sub and Main Display Banks)  
–
4 Dimming Steps with 80mA Maximum  
(DM5 for Auxiliary Application)  
•
2% Current Matching for Sub LEDs at Light  
Load Condition (Each 100µA)  
•
•
•
750 kHz Charge Pump Frequency  
Continuous 230mA Maximum Output Current  
Four enable inputs, ENmain, ENsub1, ENsub2, and  
ENaux, available through the I2C, are used for simple  
on/off controls for the independent main, sub1, sub2,  
and DM5 displays, respectively. To lower the  
operating current when using one sub display LED,  
the devices provide completely separate operation for  
the sub display LEDs.  
Auto Switching Between ×1 and ×1.5 Mode for  
Maximum Efficiency  
•
•
•
•
•
Built-in Soft Start and Current Limit  
Open Lamp Detection  
16-Pin 3mm x 3mm QFN  
TPS60250 (I2C Slave Address: 1110111)  
TPS60252 (I2C Slave Address: 1110110)  
The TPS60250/2 are available in a 16-pin 3mm x  
3mm thin QFN.  
APPLICATIONS  
Main Display  
•
•
•
Cellular Phones  
PDA, PMP, GPS (Up To 4 Inch LCD Display)  
Multidisplay Handheld Devices  
DM4 DM3 DM2  
DM1  
GND  
C1-  
95  
4 Main LED - 15 mA,  
90  
Sub Display  
V
= 3.1 V  
C2+  
C2-  
DS2  
F
85  
80  
75  
C2 C3  
1mF 1mF  
DS1  
DM5  
C1+  
VIN SCLK  
SDAT  
70  
65  
60  
55  
VOUT  
C4  
4.7mF  
I2C Interface  
On/Off, Digital Dimming  
C1  
4.7mF  
50  
4
4.5  
5
5.5  
3
3.5  
6
Figure 2. Typical Application for Sub and Main  
V
- Input Voltage - V  
I
Figure 1. Efficiency vs Input Voltage  
ORDERING INFORMATION(1)  
PART NUMBER  
PACKAGE  
TA  
TPS60250RTE  
16-Pin 3 mm × 3 mm QFN (RTE)  
–40°C to +85°C  
TPS60252RTE  
(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI  
web site at www.ti.com.  
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.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2007–2008, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
 
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TPS60250RTETG4 替代型号

型号 品牌 替代类型 描述 数据表
TPS60250RTERG4 TI

完全替代

 HIGH EFFICIENCY CHARGE PUMP FOR 7 WLEDs WITH I2C INTERFACE
TPS60250RTET TI

功能相似

 HIGH EFFICIENCY CHARGE PUMP FOR 7 WLEDs WITH I2C INTERFACE
TPS60250RTER TI

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 HIGH EFFICIENCY CHARGE PUMP FOR 7 WLEDs WITH I2C INTERFACE

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TPS60251RTWTG4 TI

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 		High Efficiency Charge Pump for 7 WLEDs with I<sup>2</sup>C Interface 24-WQFN
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 		可驱动 7 个 WLED 的高效电荷泵，具有 I2C 接口和 0x76 I2C 从地址
TPS60252RTE TI

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 		HIGH EFFICIENCY CHARGE PUMP FOR 7 WLEDs WITH I2C INTERFACE
TPS60252RTER TI

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 		HIGH EFFICIENCY CHARGE PUMP FOR 7 WLEDs WITH I2C INTERFACE
TPS60252RTERG4 TI

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 		HIGH EFFICIENCY CHARGE PUMP FOR 7 WLEDs WITH I2C INTERFACE

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