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MAX8997 Datasheet PDF : SUPERVISORY CIRCUITS MAX8997EWW+

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The SP706R/S/T and SR708R/S/T series is a family of microprocessor (up) SUPERVISORY CIRCUITS that integrate myriad componets involved in discrete solutions which monitor power-supply and battery in up and digital systems.

description
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.

Qualification in Accordance With AEC-Q100†
Qualified for Automotive Applications
Customer-Specific Configuration Control Can Be Supported Along With Major-Change Approval
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-s 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)

GENERAL DESCRIPTION
The ADM8698/ADM8699 SUPERVISORY CIRCUITS provide power supply monitoring and watchdog timing for microprocessor systems.
   
FEATURES
    Superior Upgrade for ADM698/ADM699, MAX698/MAX699
    Guaranteed RESET Assertion with VCC = 1 V
    Low 70 μA Supply Current
    Precision 4.65 V Voltage Monitor
    Power OK/Reset Time Delay
    Watchdog Timer
    Minimum Component Count
    Performance Specified over Temperature
   
APPLICATIONS
    Microprocessor Systems
    Computers
    Controllers
    Intelligent Instruments
    Automotive Systems
    Critical μP Power Monitoring
   

DESCRIPTION
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.

FEATURES
• 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 . . . 2.7 V to 6 V

General Description
The MAX696/MAX697 SUPERVISORY CIRCUITS reduce the complexity and number of components required for power-supply monitoring and battery-control functions in microprocessor (μP) systems. These include μP reset and backup-battery switchover, watchdog timer, CMOS RAM write protection, and power-failure warning. The MAX696/MAX697 significantly improve system reliability and accuracy compared to that obtained with separate ICs or discrete components.

Features
● Adjustable Low-Line Monitor and Power-Down Reset
● Power-OK/Reset Time Delay
● Watchdog Timer—100ms, 1.6s, or Adjustable
● Minimum Component Count
● 1μA Standby Current
● Battery-Backup Power Switching (MAX696)
● On-Board Gating of Chip-Enable Signals (MAX697)
● Separate Monitor for Power-Fail or Low-Battery Warning

Applications
● Computers
● Controllers
● Intelligent Instruments
● Critical μP Power Monitoring

Description
The TPS3813-Q1 SUPERVISORY CIRCUITS provide circuit initialization and timing supervision, primarily for DSPs and processor-based systems.
The product spectrum is designed for supply voltages of 2.5 V, 3 V, 3.3 V, and 5 V. The devices are available in a 6-pin SOT-23 package. The devices are characterized for operation over a temperature range of –40°C to 125°C.

Features
• Qualified for Automotive Applications
• AEC-Q100 Qualified With the Following Results:
   – Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature Range
   – Device HBM Classification Level 2
   – Device CDM Classification Level C4B
• 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

Applications
• Applications Using DSPs, Microcontrollers, or Microprocessors
• Safety-Critical Systems
• Automotive Systems
• Heating Systems

DESCRIPTION
The TPS3813 family of SUPERVISORY CIRCUITS provides circuit initialization and timing supervision, primarily for DSPs and processor-based 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.
The TPS3813 devices are characterized for operation over a temperature range of –55°C to 125°C.

FEATURES
• Controlled Baseline
   – One Assembly/Test Site, One Fabrication Site
• Extended Temperature Performance of -55°C to 125°C
• Enhanced Diminishing Manufacturing Sources (DMS) Support
• Enhanced Product-Change Notification
• QualificationPedigree (1)
• 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

APPLICATIONS
• Applications Using DSPs, Microcontrollers, or Microprocessors
• Safety Critical Systems
• Automotive Systems
• Healing Systems

Description
The TPS3813xxx family of SUPERVISORY CIRCUITS provide circuit initialization and timing supervision, primarily for DSPs and processor-based 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.
The TPS3813xxx devices are characterized for operation over a temperature range of –40°C to 85°C.

Features
• Window-Watchdog With Programmable Delay and Window Ratio
• 6-Pin SOT-23 Package
• Supply Current of 9 µA (Typical)
• Power-On Reset Generator With a Fixed Delay Time of 25 ms
• Precision Supply Voltage Monitor: 2.5 V, 3 V, 3.3 V, and 5 V
• Open-Drain Reset Output
• Temperature Range: –40°C to 85°C

Applications
• Applications Using DSPs, Microcontrollers, or Microprocessors
• Safety Critical Systems
• Automotive Systems Heating Systems