Description

The SP690SCN is a microprocessor supervisory circuit that is designed to monitor power-supply and battery-control functions in μP and digital systems. It is part of the SP690T/S/R, SP802T/S/R, SP804T/S/R, and SP805T/S/R family of devices. This circuit integrates multiple components into a single solution, offering improved system reliability and operational efficiency compared to discrete solutions.

Specifications and features

• Reset asserted down to VCC = 1V
• Reset Time Delay - 200ms
• Watchdog Timer - 1.6 sec timeout
• 40µA Maximum VCC Supply Current
• 1µA Maximum Battery Supply Current
• Power Switching:
  • 50mA Output in VCC Mode (1.5Ω)
  • 10mA Output in Battery Mode (15Ω)
• Battery Can Exceed VCC in Normal Operation
• Precision Voltage Monitor for Power-Fail or Low-Battery Warning
• Available in 8 pin SO and DIP packages
• Pin Compatible Upgrades to MAX690T/S/R, MAX802T/S/R, MAX804T/S/R, MAX805T/S/R

Application Scenarios

The SP690SCN is ideal for use in microprocessor-based systems and digital systems that require power-supply and battery-control monitoring. It can be used in a wide range of applications, including but not limited to:

• Embedded systems
• Industrial equipment
• Consumer electronics
• Automotive electronics

Comparison

• Integrated solution for power-supply and battery-control monitoring
• Improved system reliability and operational efficiency
• Supports low-power operation with minimal supply current
• Versatile with pin compatibility for upgrades

• Availability limited to 8 pin SO and DIP packages