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MAX16046ATN+

Description
12-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQFP64
CategoryPower/power management    The power supply circuit   
File Size1016KB,71 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
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MAX16046ATN+ Overview

12-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQFP64

MAX16046ATN+ Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerMaxim
Parts packaging codeQFN
package instructionHVQCCN, LCC56,.31SQ,20
Contacts56
Reach Compliance Codecompli
ECCN codeEAR99
Factory Lead Time18 weeks
Adjustable thresholdNO
Analog Integrated Circuits - Other TypesPOWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 codeS-XQCC-N56
JESD-609 codee3
length8 mm
Humidity sensitivity level3
Number of channels12
Number of functions1
Number of terminals56
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Package body materialUNSPECIFIED
encapsulated codeHVQCCN
Encapsulate equivalent codeLCC56,.31SQ,20
Package shapeSQUARE
Package formCHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)NOT SPECIFIED
power supply3/14 V
Certification statusNot Qualified
Maximum seat height0.8 mm
Maximum supply current (Isup)6.5 mA
Maximum supply voltage (Vsup)14 V
Minimum supply voltage (Vsup)3 V
Nominal supply voltage (Vsup)3.3 V
surface mountYES
technologyBICMOS
Temperature levelAUTOMOTIVE
Terminal surfaceMatte Tin (Sn)
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationQUAD
Maximum time at peak reflow temperatureNOT SPECIFIED
width8 mm
19-5251; Rev 0; 4/10
KIT
ATION
EVALU
E
BL
AVAILA
12-Channel/8-Channel EEPROM-Programmable
System Managers with Nonvolatile Fault Registers
General Description
The MAX16046A/MAX16048A EEPROM-configurable sys-
tem managers monitor, sequence, track, and margin mul-
tiple system voltages. The MAX16046A manages up to
twelve system voltages simultaneously, and the
MAX16048A manages up to eight supply voltages. These
devices integrate an analog-to-digital converter (ADC) for
monitoring supply voltages, digital-to-analog converters
(DAC) for adjusting supply voltages, and configurable out-
puts for sequencing and tracking supplies (during power-
up and power-down). Nonvolatile EEPROM registers are
configurable for storing upper and lower voltage limits,
setting timing and sequencing requirements, and for
storing critical fault data for readback 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
(MAX16046A) or up to eight (MAX16048A) power sup-
plies. 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 MAX16046A/MAX16048A include twelve/eight inte-
grated 8-bit DAC outputs for margining power supplies
when connected to the trim input of a point-of-load
(POL) module.
The MAX16046A/MAX16048A include six programmable
general-purpose inputs/outputs (GPIOs). GPIOs are
EEPROM configurable as dedicated fault outputs, as a
watchdog input or output (WDI/WDO), as a manual reset
(MR), or for margin control inputs.
The MAX16046A/MAX16048A feature two methods of
fault management for recording information during sys-
tem shutdown events. The fault logger records a failure
in the internal EEPROM and sets a lock bit protecting
the stored fault data from accidental erasure.
An I
2
C/SMBus™-compatible or a JTAG serial interface
configures the MAX16046A/MAX16048A. These devices
are offered in a 56-pin, 8mm x 8mm TQFN package or a
64-pin, 10mm x 10mm TQFP package and are fully speci-
fied from -40°C to +125°C.
Features
o
Operates from 3V to 14V
o
1% Accurate 10-Bit ADC Monitors 12/8 Inputs
o
12/8 Monitored Inputs with 1 Overvoltage/
1 Undervoltage/1 Selectable Limit
o
12/8 8-Bit DAC Outputs for Margining or Voltage
Adjustments
o
Nonvolatile Fault Event Logger
o
Power-Up and Power-Down Sequencing
Capability
o
12/8 Outputs for Sequencing/Power-Good
Indicators
o
Closed-Loop Tracking for Up to Four Channels
o
Two Programmable Fault Outputs and One Reset
Output
o
Six General-Purpose Input/Outputs Configurable as:
Dedicated Fault Output
Watchdog Timer Function
Manual Reset
Margin Enable Input
o
I
2
C/SMBus-Compatible and JTAG Interface
o
EEPROM-Configurable Time Delays, Thresholds,
and DAC Outputs
o
100 Bytes of Internal User EEPROM
o
-40°C to +125°C Operating Temperature Range
MAX16046A/MAX16048A
Applications
Servers
Workstations
Storage Systems
Networking/Telecom
Ordering Information
PART
MAX16046ACB+
MAX16046ATN+
MAX16048ACB+
MAX16048ATN+
TEMP RANGE
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
PIN-PACKAGE
64 TQFP-EP*
56 TQFN-EP*
64 TQFP-EP*
56 TQFN-EP*
+Denotes
a lead(Pb)-free/RoHS-compliant package.
*EP
= Exposed pad.
SMBus is a trademark of Intel Corp.
________________________________________________________________
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.

MAX16046ATN+ Related Products

MAX16046ATN+ MAX16046A MAX16048ACB+ MAX16048ATN+
Description 12-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQFP64 12-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQFP64 12-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQFP64 8-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC56
Is it lead-free? Lead free - Lead free Lead free
Is it Rohs certified? conform to - conform to conform to
Parts packaging code QFN - QFP QFN
package instruction HVQCCN, LCC56,.31SQ,20 - HTFQFP, TQFP64,.47SQ HVQCCN, LCC56,.31SQ,20
Contacts 56 - 64 56
Reach Compliance Code compli - compli compli
ECCN code EAR99 - EAR99 EAR99
Adjustable threshold NO - NO NO
Analog Integrated Circuits - Other Types POWER SUPPLY MANAGEMENT CIRCUIT - POWER SUPPLY MANAGEMENT CIRCUIT POWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 code S-XQCC-N56 - S-PQFP-G64 S-XQCC-N56
JESD-609 code e3 - e3 e3
length 8 mm - 10 mm 8 mm
Humidity sensitivity level 3 - 3 3
Number of channels 12 - 8 8
Number of functions 1 - 1 1
Number of terminals 56 - 64 56
Maximum operating temperature 125 °C - 125 °C 125 °C
Minimum operating temperature -40 °C - -40 °C -40 °C
Package body material UNSPECIFIED - PLASTIC/EPOXY UNSPECIFIED
encapsulated code HVQCCN - HTFQFP HVQCCN
Encapsulate equivalent code LCC56,.31SQ,20 - TQFP64,.47SQ LCC56,.31SQ,20
Package shape SQUARE - SQUARE SQUARE
Package form CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE - FLATPACK, HEAT SINK/SLUG, THIN PROFILE, FINE PITCH CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius) NOT SPECIFIED - NOT SPECIFIED NOT SPECIFIED
power supply 3/14 V - 3/14 V 3/14 V
Certification status Not Qualified - Not Qualified Not Qualified
Maximum seat height 0.8 mm - 1.2 mm 0.8 mm
Maximum supply current (Isup) 6.5 mA - 6.5 mA 6.5 mA
Maximum supply voltage (Vsup) 14 V - 14 V 14 V
Minimum supply voltage (Vsup) 3 V - 3 V 3 V
Nominal supply voltage (Vsup) 3.3 V - 3.3 V 3.3 V
surface mount YES - YES YES
technology BICMOS - BICMOS BICMOS
Temperature level AUTOMOTIVE - AUTOMOTIVE AUTOMOTIVE
Terminal surface Matte Tin (Sn) - Matte Tin (Sn) Matte Tin (Sn)
Terminal form NO LEAD - GULL WING NO LEAD
Terminal pitch 0.5 mm - 0.5 mm 0.5 mm
Terminal location QUAD - QUAD QUAD
Maximum time at peak reflow temperature NOT SPECIFIED - NOT SPECIFIED NOT SPECIFIED
width 8 mm - 10 mm 8 mm
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