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TPS3305

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具有看门狗计时器的双处理器电压监控器

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TPS3305

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产品详情

Number of supplies monitored 2 Threshold voltage 1 (typ) (V) 1.68, 2.25, 2.93, 4.55 Features Complimentary output, Manual reset capable, Separate VDD & sense, Timeout watchdog, Undervoltage monitor only, Watchdog timer Reset threshold accuracy (%) 3 Iq (typ) (mA) 0.04 Output driver type/reset output Active-high, Active-low, Push-Pull Time delay (ms) 200 Supply voltage (min) (V) 2.7 Supply voltage (max) (V) 6 Rating Catalog Watchdog timer WDI (s) 1.6 Operating temperature range (°C) -40 to 85
Number of supplies monitored 2 Threshold voltage 1 (typ) (V) 1.68, 2.25, 2.93, 4.55 Features Complimentary output, Manual reset capable, Separate VDD & sense, Timeout watchdog, Undervoltage monitor only, Watchdog timer Reset threshold accuracy (%) 3 Iq (typ) (mA) 0.04 Output driver type/reset output Active-high, Active-low, Push-Pull Time delay (ms) 200 Supply voltage (min) (V) 2.7 Supply voltage (max) (V) 6 Rating Catalog Watchdog timer WDI (s) 1.6 Operating temperature range (°C) -40 to 85
HVSSOP (DGN) 8 14.7 mm² 3 x 4.9 SOIC (D) 8 29.4 mm² 4.9 x 6
  • Dual Supervisory Circuits for DSP- and Processor-Based Systems
  • Power-On Reset Generator with Fixed Delay Time of 200ms; no External Capacitor Needed
  • Watchdog Timer Retriggers the RESET Output at SENSEn ≥ VIT+
  • Temperature-Compensated Voltage Reference
  • Maximum Supply Current of 40µA
  • Supply Voltage Range: 2.7V to 6V
  • Defined RESET Output From VDD ≥ 1.1V
  • MSOP-8 and SO-8 Packages
  • Temperature Range: -40°C to +85°C
  • APPLICATIONS
    • Processor Supply Monitoring
    • Industrial Equipment
    • Automotive Systems
    • Portable/Battery-Powered Equipment
    • Wireless Communication Systems
    • Notebook/Desktop Computers
  • Dual Supervisory Circuits for DSP- and Processor-Based Systems
  • Power-On Reset Generator with Fixed Delay Time of 200ms; no External Capacitor Needed
  • Watchdog Timer Retriggers the RESET Output at SENSEn ≥ VIT+
  • Temperature-Compensated Voltage Reference
  • Maximum Supply Current of 40µA
  • Supply Voltage Range: 2.7V to 6V
  • Defined RESET Output From VDD ≥ 1.1V
  • MSOP-8 and SO-8 Packages
  • Temperature Range: -40°C to +85°C
  • APPLICATIONS
    • Processor Supply Monitoring
    • Industrial Equipment
    • Automotive Systems
    • Portable/Battery-Powered Equipment
    • Wireless Communication Systems
    • Notebook/Desktop Computers

The TPS3305 family is a series of micropower supply voltage supervisors designed for circuit initialization. Its dual monitor topology is well-suited to use in DSP and processor-based systems, which often require two supply voltages, core and I/O.

RESET is asserted when the voltage at either SENSEn pin falls below its threshold voltage, VIT. When both SENSEn pins are again above their respective threshold voltages, RESET is held low for the factory-programmed delay time (200ms typ). RESET is also asserted if the watchdog input (WDI) is not toggled for more than 1.6s typ.

The TPS3305-xx devices are available in either 8-pin MSOP or SO packages, and are specified for operation over a temperature range of -40°C to +85°C.

The TPS3305 family is a series of micropower supply voltage supervisors designed for circuit initialization. Its dual monitor topology is well-suited to use in DSP and processor-based systems, which often require two supply voltages, core and I/O.

RESET is asserted when the voltage at either SENSEn pin falls below its threshold voltage, VIT. When both SENSEn pins are again above their respective threshold voltages, RESET is held low for the factory-programmed delay time (200ms typ). RESET is also asserted if the watchdog input (WDI) is not toggled for more than 1.6s typ.

The TPS3305-xx devices are available in either 8-pin MSOP or SO packages, and are specified for operation over a temperature range of -40°C to +85°C.
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类型 标题 下载最新的英语版本 日期
* 数据表 Dual Processor Supervisors 数据表 (Rev. C) 2008年 3月 27日
选择指南 Voltage Supervisors (Reset ICs) Quick Reference Guide (Rev. H) 2020年 2月 28日
选择指南 电源管理指南 2018 (Rev. K) 2018年 7月 31日
选择指南 电源管理指南 2018 (Rev. R) 2018年 6月 25日

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