General Description

The MAX6870/MAX6871 EEPROM-configurable, multi voltage supply sequencers/supervisors monitor several voltage detector inputs, two auxiliary inputs, and four general-purpose logic inputs. The MAX6870/MAX6871 feature programmable outputs for highly configurable power-supply sequencing applications. The MAX6870 features six voltage detector inputs and eight programmable outputs, while the MAX6871 features four voltage detector inputs and five programmable outputs. Manual reset and margin disable inputs offer additional flexibility.

特性 Features

? Six (MAX6870) or Four (MAX6871) Configurable

?? 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 (MAX6870) or Two (MAX6871) Positive

?? Voltage Inputs (+0.5V to +3.05V or +1V to

?? +5.5V Thresholds)

? Four General-Purpose Logic Inputs

? Two Configurable Watchdog Timers

? Eight (MAX6870) or Five (MAX6871)

?? Programmable Outputs

?? Active-High, Active-Low, Open-Drain, Weak

?? Pullup, Push-Pull, Charge-Pump

?? Timing Delays from 25μs to 1600ms

? 10-Bit Internal ADC Monitors the Input Voltage

?? Detectors and Two Auxiliary Inputs

? Margining Disable and Manual Reset Controls

? Internal 1.25V Reference or External Reference Input

? 4kb Internal User EEPROM

?? Endurance: 100,000 Erase/Write Cycles

?? Data Retention: 10 Years

? I2C/SMBus-Compatible Serial

?? Configuration/Communication Interface

? ±1 Threshold Accuracy

Applications

?? Telecommunications/Central Office Systems

?? Networking Systems

?? Servers/Workstations

?? Basestations

?? Storage Equipment

?? Multimicroprocessor/Voltage Systems