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TPS3306的基本参数
  • 制造厂商:TI
  • 产品类别:电源管理
  • 技术类目:监控器和复位 IC
  • 功能描述:具有电源故障监视功能和看门狗计时器的双处理器电压监控器
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TPS3306的产品详情:

The TPS3306 family is a series of supervisory circuits designed for circuit initialization which require two supply voltages, primarily in DSP and processor-based systems.

The product spectrum of the TPS3306-xx is designed for monitoring two independent supply voltages of 3.3 V/1.5 V, 3.3 V/1.8 V, 3.3 V/2 V, 3.3 V/2.5 V, or 3.3 V/5 V.

The various supervisory circuits are designed to monitor the nominal supply voltage.

During power-on, RESET is asserted when the supply voltage VDD becomes higher than 1.1 V. Thereafter, the supervisory circuits monitor the SENSEn inputs and keep RESET active as long as SENSEn remains below the threshold voltage VIT.

An internal timer delays the return of the RESET output to the inactive state (high) to ensure proper system reset. The delay time, td(typ) = 100 ms, starts after SENSE1 and SENSE2 inputs have risen above the threshold voltage VIT. When the voltage at SENSE1 or SENSE2 input drops below the threshold voltage VIT, the output becomes active (low) again.

The integrated power-fail (PFI) comparator with separate open-drain (PFO) output can be used for low-battery detection, power-fail warning, or for monitoring a power supply other than the main supply.

The TPS3306-xx devices integrate a watchdog timer that is periodically triggered by a positive or negative transition of WDI. When the supervising system fails to retrigger the watchdog circuit within the time-out interval, tt(out) = 0.50 s, RESET becomes active for the time period td. This event also reinitializes the watchdog timer. Leaving WDI unconnected disables the watchdog.

The TPS3306-xx devices are available in either 8-pin MSOP or standard 8-pin SO packages, and are characterized for operation over a temperature range of -40°C to +85°C.

TPS3306的优势和特性:
  • Dual Supervisory Circuits With Power-Fail for DSP and Processor-Based Systems
  • Voltage Monitor for Power-Fail or Low-Battery Warning
  • Watchdog Timer With 0.8 Second Time-Out
  • Power-On Reset Generator With Integrated 100 ms Delay Time
  • Open-Drain Reset and Power-Fail Output
  • Supply Current of 15 μA (Typ.)
  • Supply Voltage Range: 7 V to 6 V
  • Defined RESET Output From VDD ≥ 1.1 V
  • MSOP-8 and SO-8 Packages
  • Temperature Range: -40°C to +85°C
  • APPLICATIONS
    • Multivoltage DSPs and Processors
    • Portable Battery-Powered Equipment
    • Embedded Control Systems
    • Intelligent Instruments
    • Automotive Systems

All trademarks are the property of their respective owners.

TPS3306的参数(英文):
  • Number of supplies monitored
  • 3
  • Threshold voltage 1 (Typ) (V)
  • 1.4, 1.68, 1.85, 2.25, 2.93, 4.55
  • Features
  • Watchdog timer
  • Reset threshold accuracy (%)
  • 3.2
  • Output driver type/reset output
  • Active-low, Open-drain
  • Time delay (ms)
  • 100
  • Rating
  • Catalog
  • Watchdog timer WDI (sec)
  • 0.8
  • Operating temperature range (C)
  • -40 to 85
TPS3306具体的完整产品型号参数及价格(美元):

TPS3306的完整型号有:TPS3306-15D、TPS3306-15DGK、TPS3306-15DGKR、TPS3306-15DR、TPS3306-18D、TPS3306-18DGK、TPS3306-18DGKR、TPS3306-18DR、TPS3306-20D、TPS3306-25D、TPS3306-25DGK、TPS3306-25DGKR、TPS3306-25DR、TPS3306-33D、TPS3306-33DGK、TPS3306-33DGKR、TPS3306-33DR,以下是这些产品的关键参数及官网采购报价:

TPS3306-15D,工作温度:-40 to 85,封装:SOIC (D)-8,包装数量MPQ:75个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS3306-15D的批量USD价格:1.61(1000+)

TPS3306-15DGK,工作温度:-40 to 85,封装:VSSOP (DGK)-8,包装数量MPQ:80个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS3306-15DGK的批量USD价格:1.61(1000+)

TPS3306-15DGKR,工作温度:-40 to 85,封装:VSSOP (DGK)-8,包装数量MPQ:2500个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS3306-15DGKR的批量USD价格:1.342(1000+)

TPS3306-15DR,工作温度:-40 to 85,封装:SOIC (D)-8,包装数量MPQ:2500个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS3306-15DR的批量USD价格:1.342(1000+)

TPS3306-18D,工作温度:-40 to 85,封装:SOIC (D)-8,包装数量MPQ:75个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS3306-18D的批量USD价格:1.61(1000+)

TPS3306-18DGK,工作温度:-40 to 85,封装:VSSOP (DGK)-8,包装数量MPQ:80个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS3306-18DGK的批量USD价格:1.61(1000+)

TPS3306-18DGKR,工作温度:-40 to 85,封装:VSSOP (DGK)-8,包装数量MPQ:2500个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS3306-18DGKR的批量USD价格:1.342(1000+)

TPS3306-18DR,工作温度:-40 to 85,封装:SOIC (D)-8,包装数量MPQ:2500个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS3306-18DR的批量USD价格:1.342(1000+)

TPS3306-20D,工作温度:-40 to 85,封装:SOIC (D)-8,包装数量MPQ:75个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS3306-20D的批量USD价格:1.342(1000+)

TPS3306-25D,工作温度:-40 to 85,封装:SOIC (D)-8,包装数量MPQ:75个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS3306-25D的批量USD价格:1.61(1000+)

TPS3306-25DGK,工作温度:-40 to 85,封装:VSSOP (DGK)-8,包装数量MPQ:80个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS3306-25DGK的批量USD价格:1.61(1000+)

TPS3306-25DGKR,工作温度:-40 to 85,封装:VSSOP (DGK)-8,包装数量MPQ:2500个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS3306-25DGKR的批量USD价格:1.342(1000+)

TPS3306-25DR,工作温度:-40 to 85,封装:SOIC (D)-8,包装数量MPQ:2500个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS3306-25DR的批量USD价格:1.342(1000+)

TPS3306-33D,工作温度:-40 to 85,封装:SOIC (D)-8,包装数量MPQ:75个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS3306-33D的批量USD价格:1.61(1000+)

TPS3306-33DGK,工作温度:-40 to 85,封装:VSSOP (DGK)-8,包装数量MPQ:80个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS3306-33DGK的批量USD价格:1.61(1000+)

TPS3306-33DGKR,工作温度:-40 to 85,封装:VSSOP (DGK)-8,包装数量MPQ:2500个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS3306-33DGKR的批量USD价格:1.342(1000+)

TPS3306-33DR,工作温度:-40 to 85,封装:SOIC (D)-8,包装数量MPQ:2500个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS3306-33DR的批量USD价格:1.342(1000+)

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TPS3306的评估套件:

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