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MAX6892ETJ-T

Description
Supervisory Circuits
CategoryPower/power management    The power supply circuit   
File Size170KB,19 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX6892ETJ-T Overview

Supervisory Circuits

MAX6892ETJ-T Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerMaxim
Parts packaging codeQFN
package instruction5 X 5 MM, 0.80 MM HEIGHT, TQFN-32
Contacts32
Reach Compliance Codenot_compliant
ECCN codeEAR99
Other featuresMANUAL RESET INPUT
Adjustable thresholdYES
Analog Integrated Circuits - Other TypesPOWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 codeS-XQCC-N32
JESD-609 codee0
length5 mm
Number of channels8
Number of functions1
Number of terminals32
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialUNSPECIFIED
encapsulated codeVQCCN
Encapsulate equivalent codeLCC32,.2SQ,20
Package shapeSQUARE
Package formCHIP CARRIER, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)NOT SPECIFIED
power supply3/5 V
Certification statusNot Qualified
Maximum seat height0.8 mm
Maximum supply current (Isup)1.1 mA
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)2.7 V
surface mountYES
technologyBICMOS
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationQUAD
Maximum time at peak reflow temperatureNOT SPECIFIED
width5 mm
Base Number Matches1
19-3596; Rev 2; 9/10
Pin-Selectable, Octal/Hex/Quad, Power-Supply
Sequencers/Supervisors
General Description
The MAX6892/MAX6893/MAX6894 pin-selectable, mul-
tivoltage supply sequencers/supervisors monitor sever-
al voltage-detector inputs and one watchdog input,
asserting the respective voltage detector or watchdog
output when the inputs drop below the configured volt-
age thresholds or the watchdog timer expires. The
MAX6892 features eight voltage detector inputs and 10
outputs. The MAX6893 features six voltage-detector
inputs and eight outputs, while the MAX6894 features
four voltage detector inputs and six outputs. A
RESET
output ensures all monitored inputs are above the set
thresholds. The voltage detector outputs are configured
as open drain. Manual reset and margin disable inputs
offer additional flexibility.
The thresholds of the MAX6892/MAX6893/MAX6894 are
selected through five logic inputs (TH0–TH4). The logic on
these five inputs selects the supply voltage tolerance (5%
or 10%) and one of 32 factory-set thresholds settings.
Watchdog and reset timeout periods can use factory
default settings or are independently adjustable by con-
necting external capacitors.
When any of the monitored voltages falls below its
threshold, the respective output asserts and remains
asserted for 6.25ms (typ) after the monitored voltage
exceeds the threshold. The outputs can be connected
to the shutdown or enable inputs of DC-DC regulators
to provide turn-on power sequencing to ensure proper
system initialization.
The MAX6892 is available in a 5mm x 5mm x 0.8mm,
32-pin, Thin QFN package, while the MAX6893/
MAX6894 are available in a 5mm x 5mm x 0.8mm, 28-
pin, Thin QFN package. The MAX6892/MAX6893/
MAX6894 are specified to operate over the extended
temperature range (-40°C to +85°C).
Features
o
Pin-Selectable or User-Adjustable Voltage
Detector Thresholds
o
Dedicated
RESET
and
WDO
Outputs
o
Capacitor-Adjustable Reset and Watchdog
Timeout Periods
o
Factory-Default Reset and Watchdog Timeout
Periods
o
Up to Eight Independent, Open-Drain Power-Good
Outputs
o
Enable Margining Disable and Manual Reset
Controls
o
-40°C to +85°C Operating Temperature Range
o
Small 5mm x 5mm Thin QFN Package
o
Few External Components
o
±1% Threshold Accuracy
MAX6892/MAX6893/MAX6894
Ordering Information
PART
MAX6892ETJ
MAX6893ETI
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
32 Thin QFN-EP*
28 Thin QFN-EP*
MAX6894ETI
-40°C to +85°C
28 Thin QFN-EP*
Note:
Devices are also available in a lead(Pb)-free/RoHS-compli-
ant package. Specify lead-free by adding a plus (+) to the part
number when ordering.
*EP
= Exposed pad.
Pin Configurations
PG1
WDI
TOP VIEW
+
PG2
PG3
PG4
GND
PG5
PG6
PG7
PG8
1
2
3
4
5
6
7
8
IN1
IN2
IN3
IN4
32
31
30
29
28
27
26
IN5
25
24
23
22
21
IN7
IN8
DBP
VCC
ENABLE
SRT
SWT
TH4
Applications
Telecommunication/Central Office Systems
Networking Systems
Servers/Workstations
Base Stations
Storage Equipment
Multimicroprocessor/Voltage Systems
MAX6892
IN6
20
19
18
17
16
*EP
9
10
11
12
13
14
15
RESET
MR
WDO
TH0
TH1
TH2
Typical Operating Circuit appears at end of data sheet.
MARGIN
THIN QFN
*EXPOSED PAD INTERNALLY CONNECTED TO GND.
Pin Configurations continued at end of data sheet.
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
TH3

MAX6892ETJ-T Related Products

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Description Supervisory Circuits Power Supply Management Circuit, Adjustable, 6 Channel, BICMOS, 5 X 5 MM, 0.80 MM HEIGHT, ROHS COMPLIANT, TQFN-28 Supervisory Circuits Pin-Selectable Quad Power Supply Sequenc Supervisory Circuits Supervisory Circuits Supervisory Circuits Supervisory Circuits POWER-SUPPLY SEQUENCERS
Is it Rohs certified? incompatible conform to incompatible incompatible incompatible incompatible incompatible conform to
Maker Maxim Maxim Maxim Maxim Maxim Maxim Maxim Maxim
Reach Compliance Code not_compliant compli not_compliant not_compliant not_compliant not_compliant not_compliant compliant
ECCN code EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
Analog Integrated Circuits - Other Types POWER SUPPLY MANAGEMENT CIRCUIT POWER SUPPLY MANAGEMENT CIRCUIT POWER SUPPLY MANAGEMENT CIRCUIT POWER SUPPLY MANAGEMENT CIRCUIT POWER SUPPLY MANAGEMENT CIRCUIT POWER SUPPLY MANAGEMENT CIRCUIT POWER SUPPLY MANAGEMENT CIRCUIT POWER SUPPLY MANAGEMENT CIRCUIT
Peak Reflow Temperature (Celsius) NOT SPECIFIED NOT SPECIFIED 245 NOT SPECIFIED 245 245 NOT SPECIFIED NOT SPECIFIED
Maximum time at peak reflow temperature NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
Is it lead-free? Contains lead - Contains lead Contains lead Contains lead Contains lead Contains lead Lead free
Parts packaging code QFN QFN QFN QFN QFN QFN QFN -
package instruction 5 X 5 MM, 0.80 MM HEIGHT, TQFN-32 VQCCN, VQCCN, LCC28,.2SQ,20 VQCCN, LCC28,.2SQ,20 5 X 5 MM, 0.80 MM HEIGHT, TQFN-28 5 X 5 MM, 0.80 MM HEIGHT, TQFN-32 VQCCN, LCC28,.2SQ,20 -
Contacts 32 28 28 28 28 32 28 -
Other features MANUAL RESET INPUT MANUAL RESET INPUT MANUAL RESET INPUT MANUAL RESET INPUT MANUAL RESET INPUT MANUAL RESET INPUT MANUAL RESET INPUT -
Adjustable threshold YES YES YES YES YES YES YES -
JESD-30 code S-XQCC-N32 S-XQCC-N28 S-XQCC-N28 S-XQCC-N28 S-XQCC-N28 S-XQCC-N32 S-XQCC-N28 -
JESD-609 code e0 e3 e0 e0 e0 e0 e0 -
length 5 mm 5 mm 5 mm 5 mm 5 mm 5 mm 5 mm -
Number of channels 8 6 4 6 6 8 4 -
Number of functions 1 1 1 1 1 1 1 -
Number of terminals 32 28 28 28 28 32 28 -
Maximum operating temperature 85 °C 85 °C 85 °C 85 °C 85 °C 85 °C 85 °C -
Minimum operating temperature -40 °C -40 °C -40 °C -40 °C -40 °C -40 °C -40 °C -
Package body material UNSPECIFIED UNSPECIFIED UNSPECIFIED UNSPECIFIED UNSPECIFIED UNSPECIFIED UNSPECIFIED -
encapsulated code VQCCN VQCCN VQCCN VQCCN VQCCN VQCCN VQCCN -
Encapsulate equivalent code LCC32,.2SQ,20 - LCC28,.2SQ,20 LCC28,.2SQ,20 LCC28,.2SQ,20 LCC32,.2SQ,20 LCC28,.2SQ,20 -
Package shape SQUARE SQUARE SQUARE SQUARE SQUARE SQUARE SQUARE -
Package form CHIP CARRIER, VERY THIN PROFILE CHIP CARRIER, VERY THIN PROFILE CHIP CARRIER, VERY THIN PROFILE CHIP CARRIER, VERY THIN PROFILE CHIP CARRIER, VERY THIN PROFILE CHIP CARRIER, VERY THIN PROFILE CHIP CARRIER, VERY THIN PROFILE -
power supply 3/5 V - 3/5 V 3/5 V 3/5 V 3/5 V 3/5 V -
Certification status Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified -
Maximum seat height 0.8 mm 0.8 mm 0.8 mm 0.8 mm 0.8 mm 0.8 mm 0.8 mm -
Maximum supply current (Isup) 1.1 mA - 1.1 mA 1.1 mA 1.1 mA 1.1 mA 1.1 mA -
Maximum supply voltage (Vsup) 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V -
Minimum supply voltage (Vsup) 2.7 V 2.7 V 2.7 V 2.7 V 2.7 V 2.7 V 2.7 V -
surface mount YES YES YES YES YES YES YES -
technology BICMOS BICMOS BICMOS BICMOS BICMOS BICMOS BICMOS -
Temperature level INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL -
Terminal surface Tin/Lead (Sn/Pb) Matte Tin (Sn) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) TIN LEAD Tin/Lead (Sn/Pb) -
Terminal form NO LEAD NO LEAD NO LEAD NO LEAD NO LEAD NO LEAD NO LEAD -
Terminal pitch 0.5 mm 0.5 mm 0.5 mm 0.5 mm 0.5 mm 0.5 mm 0.5 mm -
Terminal location QUAD QUAD QUAD QUAD QUAD QUAD QUAD -
width 5 mm 5 mm 5 mm 5 mm 5 mm 5 mm 5 mm -
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Datasheet   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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