MAX16048ACB+T datasheet, PDF - EEWORLD Datasheet

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MAX16048ACB+T: Descriptionsupervisory circuits 8ch eeprom prob system manager; CategoryPower/power management The power supply circuit; File Size979KB，71 Pages; ManufacturerMaxim; Websitehttps://www.maximintegrated.com/en.html; Environmental Compliance

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MAX16048ACB+T Overview

supervisory circuits 8ch eeprom prob system manager

MAX16048ACB+T Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
package instruction	QFP, TQFP64,.47SQ
Reach Compliance Code	compli
ECCN code	EAR99
Is Samacsys	N
JESD-30 code	S-PQFP-G64
Humidity sensitivity level	3
Number of terminals	64
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	QFP
Encapsulate equivalent code	TQFP64,.47SQ
Package shape	SQUARE
Package form	FLATPACK
Peak Reflow Temperature (Celsius)	260
power supply	3/14 V
Certification status	Not Qualified
Maximum supply current (Isup)	6.5 mA
surface mount	YES
technology	BICMOS
Temperature level	AUTOMOTIVE
Terminal form	GULL WING
Terminal pitch	0.5 mm
Terminal location	QUAD
Maximum time at peak reflow temperature	NOT SPECIFIED
Base Number Matches	1

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19-5251; Rev 1; 9/10

KIT

ATION

EVALU

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 as 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

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

Operate from 3V to 14V

1% Accurate 10-Bit ADC Monitors 12/8 Inputs

12/8 Monitored Inputs with 1 Overvoltage/

1 Undervoltage/1 Selectable Limit

12/8 8-Bit DAC Outputs for Margining or Voltage

Adjustments

Nonvolatile Fault Event Logger

Power-Up and Power-Down Sequencing

Capability

12/8 Outputs for Sequencing/Power-Good

Indicators

Closed-Loop Tracking for Up to Four Channels

Two Programmable Fault Outputs and One Reset

Output

Six General-Purpose Input/Outputs Configurable as:

Dedicated Fault Output

Watchdog Timer Function

Manual Reset

Margin Enable Input

C/SMBus-Compatible and JTAG Interface

EEPROM-Configurable Time Delays, Thresholds,

and DAC Outputs

100 Bytes of Internal User EEPROM

-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

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

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.

MAX16048ACB+T Related Products

	MAX16048ACB+T	MAX16046ETN+CK4	MAX16048ATN+T	MAX16048ETN+T	MAX16046ETN+T	MAX16046ECB+T	MAX16046ETN+CK9
Description	supervisory circuits 8ch eeprom prob system manager	supervisory circuits 12ch eeprom prob system manager	supervisory circuits 8ch eeprom prob system manager	supervisory circuits 8ch eeprom prob system manager	supervisory circuits 12ch eeprom prob system manager	supervisory circuits 12ch eeprom prob system manager	supervisory circuits 12ch eeprom prob system manager
Is it lead-free?	Lead free	Lead free	Lead free	Lead free	Lead free	Lead free	Lead free
Is it Rohs certified?	conform to	conform to	conform to	conform to	conform to	conform to	conform to
package instruction	QFP, TQFP64,.47SQ	HVQCCN,	QCCN, LCC56,.31SQ,20	HVQCCN,	HVQCCN, LCC56,.31SQ,20	HTFQFP,	HVQCCN,
Reach Compliance Code	compli	compli	compli	compli	compli	compli	compli
ECCN code	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
JESD-30 code	S-PQFP-G64	S-XQCC-N56	S-PQCC-N56	S-XQCC-N56	S-PQCC-N56	S-PQFP-G64	S-XQCC-N56
Humidity sensitivity level	3	3	3	3	1	3	3
Number of terminals	64	56	56	56	56	64	56
Maximum operating temperature	125 °C	85 °C	125 °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	PLASTIC/EPOXY	UNSPECIFIED	PLASTIC/EPOXY	UNSPECIFIED	PLASTIC/EPOXY	PLASTIC/EPOXY	UNSPECIFIED
encapsulated code	QFP	HVQCCN	QCCN	HVQCCN	HVQCCN	HTFQFP	HVQCCN
Package shape	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE
Package form	FLATPACK	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER	FLATPACK, HEAT SINK/SLUG, THIN PROFILE, FINE PITCH	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)	260	NOT SPECIFIED	260	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED
surface mount	YES	YES	YES	YES	YES	YES	YES
technology	BICMOS	BICMOS	BICMOS	BICMOS	BICMOS	BICMOS	BICMOS
Temperature level	AUTOMOTIVE	INDUSTRIAL	AUTOMOTIVE	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL
Terminal form	GULL WING	NO LEAD	NO LEAD	NO LEAD	NO LEAD	GULL WING	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
Maximum time at peak reflow temperature	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED
Maker	-	Maxim	Maxim	-	Maxim	Maxim	Maxim
Adjustable threshold	-	YES	-	YES	YES	YES	YES
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
length	-	8 mm	-	8 mm	8 mm	10 mm	8 mm
Number of channels	-	12	-	8	12	12	12
Number of functions	-	1	-	1	1	1	1
Maximum seat height	-	0.8 mm	-	0.8 mm	0.8 mm	1.2 mm	0.8 mm
Maximum supply voltage (Vsup)	-	14 V	-	14 V	14 V	14 V	14 V
Minimum supply voltage (Vsup)	-	3 V	-	3 V	3 V	3 V	3 V
Nominal supply voltage (Vsup)	-	3.3 V	-	3.3 V	3.3 V	3.3 V	3.3 V
width	-	8 mm	-	8 mm	8 mm	10 mm	8 mm

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