Формирователи импульса сброса MAX6870ETJ+

Схема контроля и установки последовательности , 2.7В - 13.2В, +2.5В - +13.2В порог, EEPROM 4КБ

The MAX6870ETJ+ is an EEPROM programmable hex power supply sequencer/supervisor with ADC in 32 pin TQFN package. It monitors several voltage detector inputs, two auxiliary inputs and four general purpose logic inputs. It has six voltage detector inputs and eight programmable outputs, features programmable outputs for highly configurable power-supply sequencing applications. Manual reset and margin disable inputs offer additional flexibility. All voltage detectors offer two configurable thresholds for under voltage/over voltage or dual under voltage detection. Programmable output stages control power-supply sequencing or system resets/interrupts. An internal 10-bit ADC monitors the voltage detector inputs and two auxiliary inputs through a multiplexer that automatically sequences through all inputs every 200ms. It is used in storage equipment, basestations, servers/workstations and multi-microprocessor/voltage systems.

• Supply voltage range is 2.7V to 13.2V
• Operating temperature range from -40°C to 85°C
• 6 input voltage detectors, one high voltage input (+1.25V to +7.625V or +2.5V to +13.2V thresholds)
• One bipolar voltage input (±1.25V to ±7.625V or ±2.5V to ±15.25V thresholds)
• Four positive voltage inputs (+0.5V to +3.05V or +1V to +5.5V thresholds)
• Four general purpose logic inputs, two configurable watchdog timers
• Internal 1.25V reference or external reference input
• 4KB internal user EEPROM, endurance of 100, 000 erase
• write cycles & data retention of 10 Years
• I2C

• SMBus compatible serial configuration
• communication interface
• ±1% threshold accuracy

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