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MAX6885ETP+T

Description
supervisory circuits eeprom-prog hex power-sup sequencer
CategoryPower/power management    The power supply circuit   
File Size309KB,34 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
Download Datasheet Parametric Compare View All

MAX6885ETP+T Overview

supervisory circuits eeprom-prog hex power-sup sequencer

MAX6885ETP+T Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerMaxim
Parts packaging codeQFN
package instructionHVQCCN,
Contacts20
Reach Compliance Codecompliant
ECCN codeEAR99
Factory Lead Time25 weeks 5 days
Adjustable thresholdYES
Analog Integrated Circuits - Other TypesPOWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 codeS-XQCC-N20
JESD-609 codee3
length5 mm
Humidity sensitivity level1
Number of channels1
Number of functions1
Number of terminals20
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialUNSPECIFIED
encapsulated codeHVQCCN
Package shapeSQUARE
Package formCHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
Maximum seat height0.8 mm
Maximum supply voltage (Vsup)5.8 V
Minimum supply voltage (Vsup)2.7 V
surface mountYES
technologyBICMOS
Temperature levelINDUSTRIAL
Terminal surfaceMatte Tin (Sn)
Terminal formNO LEAD
Terminal pitch0.65 mm
Terminal locationQUAD
Maximum time at peak reflow temperatureNOT SPECIFIED
width5 mm
Base Number Matches1
19-3594; Rev 0; 2/05
KIT
ATION
EVALU
BLE
AVAILA
EEPROM-Programmable, Hex
Power-Supply Supervisory Circuits
General Description
Features
6 Configurable Input Voltage Detectors
Programmable Thresholds 0.5V to 3.05V
(in 10mV Increments) or 1V to 5.8V (in 20mV
Increments)
Primary UV and Secondary UV/OV Thresholds
One Configurable Watchdog Timer from 6.25ms
to 102.4s
Configurable
RESET, UV/OV,
and
WDO
Outputs
Three Programmable Outputs
Open-Drain or Weak Pullup
RESET, UV/OV,
and
WDO
Active-Low Output Logic
Timing Delays from 25µs to 1600ms
Margining Disable and Manual Reset Controls
Internal 1.25V Reference or External Reference
Input
10-Bit Internal ADC Samples the Input Voltage
Detectors, V
CC
and Auxiliary Input
512-Bit User EEPROM
Endurance: 100,000 Erase/Write Cycles
Data Retention: 10 Years
SMBus/I
2
C-Compatible Serial
Configuration/Communication Interface
±1% Threshold Accuracy
MAX6884/MAX6885
The MAX6884/MAX6885 EEPROM-configurable, multi-
voltage power-supply supervisors monitor six voltage-
detector inputs, one auxiliary input, and one watchdog
input, and feature three programmable outputs for highly
configurable power-supply monitoring applications.
Manual reset and margin disable inputs offer additional
flexibility.
Each voltage-detector input offers a programmable pri-
mary undervoltage and secondary undervoltage/over-
voltage threshold. Voltage-detector inputs IN1–IN6
monitor voltages from 1V to 5.8V in 20mV increments or
0.5V to 3.05V in 10mV increments.
Programmable outputs
RESET, UV/OV,
and
WDO
pro-
vide system resets/interrupts. Programmable output
options include open-drain or weak pullup. Program-
mable timing delay blocks configure each output to
wait between 25µs and 1600ms after their respective
assertion-causing conditions have been cleared. A fault
register logs condition-causing events (undervoltage,
overvoltage, manual reset, etc.).
An internal 10-bit, 1% accurate ADC (MAX6884 only)
converts the voltages at IN1–IN6, AUXIN, and V
CC
through a multiplexer that automatically sequences
through all inputs every 200ms. An SMBus™/I
2
C-com-
patible serial data interface programs and communi-
cates with the configuration EEPROM, configuration
registers, internal 512-bit user EEPROM, and reads the
ADC registers (MAX6884 only) and fault registers.
The MAX6884/MAX6885 are available in a 5mm x 5mm
x 0.8mm 20-pin thin QFN package and operate over
the extended temperature range (-40°C to +85°C).
Ordering Information
PART
MAX6884ETP
MAX6885ETP
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
20 Thin QFN
20 Thin QFN
PKG
CODE
T2055-5
T2055-5
Applications
Telecommunications/Central-Office Systems
Networking Systems
Servers/Workstations
Base Stations
Storage Equipment
Multimicroprocessor/Voltage Systems
Pin Configurations and Typical Operating Circuit appear at
end of data sheet.
Selector Guide
PART
MAX6884ETP
MAX6885ETP
VOLTAGE-
DETECTOR INPUTS
6
6
INTERNAL ADC
Yes
No
PROGRAMMABLE
REFERENCE INPUT
OUTPUTS
3
3
Yes
No
AUXILIARY INPUT
Yes
No
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

MAX6885ETP+T Related Products

MAX6885ETP+T MAX6885ETP+ MAX6884ETP+T
Description supervisory circuits eeprom-prog hex power-sup sequencer supervisory circuits eeprom-prog hex power-sup sequencer supervisory circuits eeprom-prog hex power-sup sequencer
Is it lead-free? Lead free Lead free Lead free
Is it Rohs certified? conform to conform to conform to
Maker Maxim Maxim Maxim
Parts packaging code QFN QFN QFN
package instruction HVQCCN, HVQCCN, HVQCCN,
Contacts 20 20 20
Reach Compliance Code compliant compliant compli
ECCN code EAR99 EAR99 EAR99
Factory Lead Time 25 weeks 5 days 1 week 8 weeks
Adjustable threshold YES NO YES
Analog Integrated Circuits - Other Types POWER SUPPLY MANAGEMENT CIRCUIT POWER SUPPLY MANAGEMENT CIRCUIT POWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 code S-XQCC-N20 S-XQCC-N20 S-XQCC-N20
JESD-609 code e3 e3 e3
length 5 mm 5 mm 5 mm
Humidity sensitivity level 1 1 1
Number of channels 1 1 1
Number of functions 1 1 1
Number of terminals 20 20 20
Maximum operating temperature 85 °C 85 °C 85 °C
Minimum operating temperature -40 °C -40 °C -40 °C
Package body material UNSPECIFIED UNSPECIFIED UNSPECIFIED
encapsulated code HVQCCN HVQCCN HVQCCN
Package shape SQUARE SQUARE SQUARE
Package form CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius) 260 260 260
Certification status Not Qualified Not Qualified Not Qualified
Maximum seat height 0.8 mm 0.8 mm 0.8 mm
Maximum supply voltage (Vsup) 5.8 V 5.8 V 5.8 V
Minimum supply voltage (Vsup) 2.7 V 2.7 V 2.7 V
surface mount YES YES YES
technology BICMOS BICMOS BICMOS
Temperature level INDUSTRIAL INDUSTRIAL INDUSTRIAL
Terminal surface Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn)
Terminal form NO LEAD NO LEAD NO LEAD
Terminal pitch 0.65 mm 0.65 mm 0.65 mm
Terminal location QUAD QUAD QUAD
Maximum time at peak reflow temperature NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
width 5 mm 5 mm 5 mm
Base Number Matches 1 1 -
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