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MAX16047A

Maxim Integrated Products
Part Number MAX16047A
Manufacturer Maxim Integrated Products
Description 12-Channel/8-Channel EEPROM-Programmable System Managers
Published Jun 29, 2010
Detailed Description 19-5250; Rev 0; 4/10 www.DataSheet4U.com KIT ATION EVALU E L B A AVAIL 12-Channel/8-Channel EEPROM-Programmable Syste...
Datasheet PDF File MAX16047A PDF File

MAX16047A
MAX16047A

Overview
19-5250; Rev 0; 4/10 www.
DataSheet4U.
com KIT ATION EVALU E L B A AVAIL 12-Channel/8-Channel EEPROM-Programmable System Managers with Nonvolatile Fault Registers General Description The MAX16047A/MAX16049A EEPROM-configurable system managers monitor, sequence, and track multiple system voltages.
The MAX16047A manages up to twelve system voltages simultaneously, and the MAX16049A manages up to eight supply voltages.
These devices integrate an analog-to-digital converter (ADC) for monitoring supply voltages, and configurable outputs for sequencing and tracking supplies (during power-up and powerdown).
Nonvolatile EEPROM registers are configurable for storing upper and lower voltage limits, setting timing and sequencing requirements, and for storing critical fault data for read back following failures.
An internal 1% accurate 10-bit ADC measures each input and compares the result to one upper, one lower, and one selectable upper or lower limit.
A fault signal asserts when a monitored voltage falls outside the set limits.
Up to three independent fault output signals are configurable to assert under various fault conditions.
The integrated sequencer/tracker allows precise control over the power-up and power-down order of up to twelve (MAX16047A) or up to eight (MAX16049A) power supplies.
Four channels (EN_OUT1–EN_OUT4) support closed-loop tracking using external series MOSFETs.
Six outputs (EN_OUT1–EN_OUT6) are configurable with charge-pump outputs to directly drive MOSFETs without closed-loop tracking.
The MAX16047A/MAX16049A include six programmable general-purpose inputs/outputs (GPIOs).
In addition to serving as EEPROM-configurable I/O pins, the GPIOs are also configurable as dedicated fault outputs, as a watchdog input or output (WDI/WDO), or as a manual reset (MR).
The MAX16047A/MAX16049A feature two methods of fault management for recording information during critical fault events.
The fault logger records a failure in the internal EEPROM and sets a lock bit pro...


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