MAX6872ETJ-T datasheet, PDF - EEWORLD Datasheet

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MAX6872ETJ-T: DescriptionSupervisory Circuits; CategoryPower/power management The power supply circuit; File Size373KB，48 Pages; ManufacturerMaxim; Websitehttps://www.maximintegrated.com/en.html

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Supervisory Circuits

MAX6872ETJ-T Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Maker	Maxim
Parts packaging code	QFN
package instruction	7 X 7 MM, 0.80 MM HEIGHT, MO-220, TQFN-32
Contacts	32
Reach Compliance Code	not_compliant
ECCN code	EAR99
Adjustable threshold	NO
Analog Integrated Circuits - Other Types	POWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 code	S-XQCC-N32
JESD-609 code	e0
length	7 mm
Number of channels	6
Number of functions	1
Number of terminals	32
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	UNSPECIFIED
encapsulated code	HVQCCN
Encapsulate equivalent code	LCC32,.27SQ,25
Package shape	SQUARE
Package form	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
power supply	3/5,6/13 V
Certification status	Not Qualified
Maximum seat height	0.8 mm
Maximum supply current (Isup)	2 mA
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	2.7 V
surface mount	YES
technology	BICMOS
Temperature level	INDUSTRIAL
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	NO LEAD
Terminal pitch	0.65 mm
Terminal location	QUAD
Maximum time at peak reflow temperature	NOT SPECIFIED
width	7 mm

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19-3439; Rev 0; 10/04

TION K

VALUA

BLE

AVAILA

EEPROM-Programmable, Hex/Quad,

Power-Supply Sequencers/Supervisors

General Description

Features

♦

Six (MAX6872) or Four (MAX6873) Configurable

Input Voltage Detectors

One High Voltage Input (+1.25V to +7.625V or

+2.5V to +13.2V Thresholds)

One Bipolar Voltage Input (±1.25V to ±7.625V

or ±2.5V to ±15.25V Thresholds)

Four (MAX6872) or Two (MAX6873) Positive

Voltage Inputs (+0.5V to +3.05V or +1V to

+5.5V Thresholds)

♦

Four General-Purpose Logic Inputs

♦

Two Configurable Watchdog Timers

♦

Eight (MAX6872) or Five (MAX6873)

Programmable Outputs

Active-High, Active-Low, Open-Drain, Weak

Pullup, Push-Pull, Charge-Pump

Timing Delays from 25µs to 1600ms

♦

Margining Disable and Manual Reset Controls

♦

4kb Internal User EEPROM

Endurance: 100,000 Erase/Write Cycles

Data Retention: 10 Years

♦

C/SMBus-Compatible Serial

Configuration/Communication Interface

♦

±1% Threshold Accuracy

MAX6872/MAX6873

The MAX6872/MAX6873 EEPROM-configurable, multi-

voltage supply sequencers/supervisors monitor several

voltage detector inputs and four general-purpose logic

inputs. The MAX6872/MAX6873 feature programmable

outputs for highly configurable power-supply sequencing

applications. The MAX6872 features six voltage detector

inputs and eight programmable outputs, while the

MAX6873 features four voltage detector inputs and five

programmable outputs. Manual reset and margin disable

inputs offer additional flexibility.

All voltage detectors offer two configurable thresholds

for undervoltage/overvoltage or dual undervoltage

detection. One high voltage input (IN1) provides detec-

tor threshold voltages from +2.5V to +13.2V in 50mV

increments, or from +1.25V to +7.625V in 25mV incre-

ments. A bipolar input (IN2) provides detector threshold

voltages from ±2.5V to ±15.25V in 50mV increments, or

from ±1.25V to ±7.625V in 25mV increments. Positive

inputs (IN3–IN6) provide detector threshold voltages

from +1V to +5.5V in 20mV increments, or from +0.5V

to +3.05V in 10mV increments.

Programmable output stages control power-supply

sequencing or system resets/interrupts. Programmable

output options include: active-high, active-low, open-

drain, weak pullup, push-pull, and charge pump.

Programmable timing delay blocks configure each output

to wait between 25µs and 1600ms before deasserting. A

fault register logs the condition that caused each output

to assert (undervoltage, overvoltage, manual reset, etc.).

An SMBus

-/I

C-compatible, serial data interface

programs and communicates with the configuration

EEPROM, the configuration registers, the internal 4kb

user EEPROM, and the fault registers of the

MAX6872/MAX6873.

The MAX6872/MAX6873 are available in a 7mm x 7mm

x 0.8mm 32-pin thin QFN package and operate over

the extended -40°C to +85°C temperature range.

Ordering Information

PART

MAX6872ETJ

MAX6873ETJ

TEMP RANGE

-40°C to +85°C

PIN-

PACKAGE

32 Thin QFN

PKG

CODE

T3277-2

Applications

Telecommunications/Central Office Systems

Networking Systems

Servers/Workstations

Base Stations

Storage Equipment

Multimicroprocessor/Voltage Systems

SMBus is a trademark of Intel Corp.

Pin Configurations, Typical Operating Circuit, and Selector

Guide appear at end of data sheet.

________________________________________________________________

Maxim Integrated Products

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.

MAX6872ETJ-T Related Products

	MAX6872ETJ-T	MAX6872ETJ	MAX6873ETJ
Description	Supervisory Circuits	Supervisory Circuits	Supervisory Circuits EEPROM-Prog Quad Power-Sup Sequencer
Is it lead-free?	Contains lead	Contains lead	Contains lead
Is it Rohs certified?	incompatible	incompatible	incompatible
Maker	Maxim	Maxim	Maxim
Parts packaging code	QFN	QFN	QFN
package instruction	7 X 7 MM, 0.80 MM HEIGHT, MO-220, TQFN-32	7 X 7 MM, 0.80 MM HEIGHT, MO-220, TQFN-32	7 X 7 MM, 0.80 MM HEIGHT, MO-220, TQFN-32
Contacts	32	32	32
Reach Compliance Code	not_compliant	not_compliant	not_compliant
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-N32	S-XQCC-N32	S-XQCC-N32
JESD-609 code	e0	e0	e0
length	7 mm	7 mm	7 mm
Number of channels	6	6	4
Number of functions	1	1	1
Number of terminals	32	32	32
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
Encapsulate equivalent code	LCC32,.27SQ,25	LCC32,.27SQ,25	LCC32,.27SQ,25
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)	NOT SPECIFIED	245	245
power supply	3/5,6/13 V	3/5,6/13 V	3/5,6/13 V
Certification status	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	0.8 mm	0.8 mm	0.8 mm
Maximum supply current (Isup)	2 mA	2 mA	2 mA
Maximum supply voltage (Vsup)	5.5 V	5.5 V	5.5 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	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)
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	7 mm	7 mm	7 mm
Humidity sensitivity level	-	1	1

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