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TPS3813K33QDBVRQ1 PDF预览

TPS3813K33QDBVRQ1

更新时间： 2024-11-24 12:22:31
品牌 Logo 应用领域
德州仪器 - TI 电源电路电源管理电路光电二极管监控
页数 文件大小 规格书
16页 301K
描述
PROCESSOR SUPERVISORY CIRCUITS WITH WINDOW-WATCHDOG

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中文翻译

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TPS3813K33QDBVRQ1 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：SOT-23
包装说明：SOT-23, 6 PIN针数：6
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：0.68Is Samacsys：N
其他特性：DETECTION THRESHOLD VOLTAGE IS 2.93V; POWER ON RESET GENERATOR可调阈值：NO
模拟集成电路 - 其他类型：POWER SUPPLY MANAGEMENT CIRCUITJESD-30 代码：R-PDSO-G6
JESD-609代码：e4长度：2.9 mm
湿度敏感等级：1信道数量：1
功能数量：1端子数量：6
最高工作温度：125 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：LSSOP
封装等效代码：TSOP6,.11,37封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, LOW PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：260
电源：2/6 V认证状态：Not Qualified
筛选级别：AEC-Q100座面最大高度：1.45 mm
子类别：Power Management Circuits最大供电电流 (Isup)：0.025 mA
最大供电电压 (Vsup)：6 V最小供电电压 (Vsup)：2 V
标称供电电压 (Vsup)：3.3 V表面贴装：YES
温度等级：AUTOMOTIVE端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：GULL WING端子节距：0.95 mm
端子位置：DUAL阈值电压标称：+2.93V
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：1.6 mm
Base Number Matches：1

TPS3813K33QDBVRQ1 数据手册

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TPS3813J25-Q1, TPS3813L30-Q1  
TPS3813K33-Q1, TPS3813I50-Q1  
www.ti.com  
SPRS288B –MAY 2008–REVISED APRIL 2012  
PROCESSOR SUPERVISORY CIRCUITS WITH WINDOW-WATCHDOG  
Check for Samples: TPS3813J25-Q1, TPS3813L30-Q1, TPS3813K33-Q1, TPS3813I50-Q1  
During power on, RESET is asserted when supply  
1
FEATURES  
voltage (VDD) becomes higher than 1.1 V. Thereafter,  
the supervisory circuit monitors VDD and keeps  
RESET active as long as VDD remains below the  
threshold voltage (VIT). An internal timer delays the  
return of the output to the inactive state (high) to  
ensure proper system reset. The delay time, td = 25  
ms typical, starts after VDD has risen above the  
threshold voltage (VIT). When the supply voltage  
drops below the threshold voltage (VIT), the output  
becomes active (low) again. No external components  
are required. All the devices of this family have a  
fixed-sense threshold voltage (VIT) set by an internal  
voltage divider.  
2
•
•
Qualified for Automotive Applications  
Window-Watchdog With Programmable Delay  
and Window Ratio  
•
•
•
6-Pin SOT-23 Package  
Supply Current of 9 μA (Typ)  
Power On Reset Generator With a Fixed Delay  
Time of 25 ms  
•
Precision Supply Voltage Monitor:  
2.5 V, 3 V, 3.3 V, 5 V  
•
•
Open-Drain Reset Output  
Temperature Range –40°C to 125°C  
For safety-critical applications, the TPS3813 family  
incorporates a window-watchdog with programmable  
delay and window ratio. The upper limit of the  
watchdog time-out can be set by either connecting  
WDT to GND or VDD, or by using an external  
capacitor. The lower limit, and thus the window ratio,  
is set by connecting WDR to GND or VDD. The  
supervised processor now needs to trigger the  
TPS3813 within this window not to assert a RESET.  
APPLICATIONS  
•
Applications Using DSPs, Microcontrollers, or  
Microprocessors  
•
•
•
Safety-Critical Systems  
Automotive Systems  
Heating Systems  
The product spectrum is designed for supply voltages  
of 2.5 V, 3 V, 3.3 V, and 5 V. The circuits are  
available in a 6-pin SOT-23 package.  
DESCRIPTION  
The TPS3813 supervisory circuits provide circuit  
initialization and timing supervision, primarily for  
DSPs and processor-based systems.  
The TPS3813 devices are characterized for operation  
over a temperature range of –40°C to 125°C.  
VDD  
DBV PACKAGE  
SOT-23  
(TOP VIEW)  
0.1mF  
0.1mF  
R
WDI  
GND  
WDT  
1
2
3
6
5
4
RESET  
WDR  
VDD  
VDD  
VDD  
RESET  
WDR  
TPS3813  
WDT  
RESET  
mC  
I/O  
WDI  
GND  
GND  
CWP  
Typical Operating Circuit  
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.  
All trademarks are the property of their respective owners.  
2
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 © 2008–2012, Texas Instruments Incorporated  
1234567...16

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TPS3813K33QDBVRQ1 替代型号

型号 品牌 替代类型 描述 数据表
TPS3813K33DBVTG4 TI

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 PROCESSOR SUPERVISORY CIRCUITS WITH WINDOW-WATCHDOG
TPS3813K33DBVT TI

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 PROCESSOR SUPERVISORY CIRCUITS WITH WINDOW-WATCHDOG
TPS3813K33DBVR TI

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 PROCESSOR SUPERVISORY CIRCUITS WITH WINDOW-WATCHDOG

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