Datasheet

ManualsBrandsMAXIM INTEGRATED ManualsPMICsPMIC - system monitor Dual voltage detector TQFN 16

General Description

The MAX16000–MAX16007 are low-voltage, quad-/hex-/

octal-voltage µP supervisors in small TQFN and TSSOP

packages. These devices provide supervisory functions for

complex multivoltage systems. The MAX16000/

MAX16001/MAX16002 monitor four voltages, the

MAX16003/MAX16004/MAX16005 monitor six voltages,

and the MAX16006/MAX16007 monitor eight voltages.

The MAX16000/MAX16001/MAX16003/MAX16004/

MAX16006 offer independent outputs for each moni-

tored voltage. The MAX16001/MAX16002/MAX16004–

MAX16007 offer a reset output that asserts whenever

any of the monitored voltages fall below their respective

thresholds or the manual reset input is asserted. The

reset output remains asserted for the reset timeout after

all voltages are above their respective thresholds and

the manual reset input is deasserted. The minimum

reset timeout is internally set to 140ms or can be adjust-

ed with an external capacitor.

All open-drain outputs have internal 30µA pullups that

eliminate the need for external pullup resistors.

However, each output can be driven with an external

voltage up to 5.5V. Other features offered include a

manual reset input, a tolerance pin for selecting 5% or

10% input thresholds, and a margin enable function for

deasserting the outputs during margin testing.

The MAX16001/MAX16002/MAX16004–MAX16007 offer

a watchdog timer that asserts RESET or an indepen-

dent watchdog output (MAX16005) when the watchdog

timeout period (1.6s typ) is exceeded. The watchdog

timer can be disabled by leaving the input open.

These devices are offered in 12-, 16-, 20-, and 24-pin

TQFN and 16-pin TSSOP packages. These are fully

specified from -40°C to +125°C.

Applications

Storage Equipment

Servers

Networking/Telecommunication Equipment

Multivoltage ASICs

Features

o Fixed Thresholds for 5V, 3.3V, 3V, 2.5V, 1.8V,

1.5V, 1.2V, and 0.9V Systems

o Adjustable Thresholds Monitor Voltages Down to

0.4V

o Open-Drain Outputs with Internal Pullups Reduce

the Number of External Components

o Fixed 140ms (min) or Capacitor-Adjustable Reset

Timeout

o Manual Reset, Margin Enable, and Tolerance

Select Inputs

o Watchdog Timer

1.6s (typ) Timeout Period

54s Startup Delay After Reset (Except MAX16005)

o Independent Watchdog Output (MAX16005)

o RESET Output Indicates All Voltages Present

o Independent Voltage Monitors

o Guaranteed Correct Logic State Down to V

= 1V

o Small (4mm x 4mm) TQFN Package

o TSSOP (5mm x 4.4mm) Package (MAX16005)

MAX16005

GND

µP

TOL

SRT

IN1 MARGINV

IN1

IN2

IN3

IN4

IN5

IN6

RESET

WDI

WDO

RST

I/O

NMI

IN2

IN3

IN4

IN5

IN6

For pricing, delivery, and ordering information, please contact Maxim Direct

at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.

MAX16000–MAX16007

Low-Voltage, Quad-/Hex-/Octal-Voltage

µP Supervisors

Ordering Information

Typical Operating Circuit

19-3870; Rev 6; 8/12

Note: The “_” is a placeholder for the input voltage threshold.

See Table 1.

Denotes a lead(Pb)-free/RoHS-compliant package.

For tape-and-reel, add a “T” after the “+.” Tape-and-reel are

offered in 2.5k increments.

EP = Exposed pad.

Ordering Information continued at end of data sheet.

PART TEMP RANGE PIN-PACKAGE

MAX16000_TC+ -40°C to +125°C 12 TQFN-EP*

Selector Guide appears at end of data sheet.

Summary of content (26 pages)

PAGE 1
MAX16000–MAX16007 Low-Voltage, Quad-/Hex-/Octal-Voltage µP Supervisors General Description Features The MAX16000–MAX16007 are low-voltage, quad-/hex-/ octal-voltage µP supervisors in small TQFN and TSSOP packages. These devices provide supervisory functions for complex multivoltage systems. The MAX16000/ MAX16001/MAX16002 monitor four voltages, the MAX16003/MAX16004/MAX16005 monitor six voltages, and the MAX16006/MAX16007 monitor eight voltages. o Fixed Thresholds for 5V, 3.3V, 3V, 2.5V, 1.8V, 1.5V, 1.
PAGE 2
MAX16000–MAX16007 Low-Voltage, Quad-/Hex-/Octal-Voltage µP Supervisors ABSOLUTE MAXIMUM RATINGS VCC, OUT_, IN_, RESET, WDO to GND....................-0.3V to +6V TOL, MARGIN, MR, SRT, WDI, to GND ..........-0.3V to VCC + 0.3 Input/Output Current (RESET, MARGIN, SRT, MR, TOL, OUT_, WDO, WDI) ..............................±20mA Continuous Power Dissipation (TA = +70°C) 12-Pin TQFN (derate 16.9mW/°C above +70°C) ........1349mW 16-Pin TQFN (derate 16.9mW/°C above +70°C) ........1349mW 20-Pin TQFN (derate 16.
PAGE 3
MAX16000–MAX16007 Low-Voltage, Quad-/Hex-/Octal-Voltage µP Supervisors ELECTRICAL CHARACTERISTICS (continued) (VCC = 2.0V to 5.5V, TA = -40°C to +125°C, unless otherwise specified. Typical values are at VCC = 3.3V, TA = +25°C.) (Note 1) PARAMETER Adjustable Threshold (IN_ Falling) IN_ Hysteresis SYMBOL VTH VTH_HYS MIN TYP MAX TOL = GND CONDITIONS 0.388 0.394 0.400 TOL = VCC 0.366 0.372 0.378 IN_ rising 0.
PAGE 4
MAX16000–MAX16007 Low-Voltage, Quad-/Hex-/Octal-Voltage µP Supervisors ELECTRICAL CHARACTERISTICS (continued) (VCC = 2.0V to 5.5V, TA = -40°C to +125°C, unless otherwise specified. Typical values are at VCC = 3.3V, TA = +25°C). (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP 1.200 1.235 MAX UNITS REFERENCE OUTPUT (MAX16005 Only) Reference Short-Circuit Current Reference Output Accuracy Shorted to GND VREF No load 0.8 Line Regulation Sourcing, 0 ≤ IREF ≤ 40µA Reference Load Regulation mA 1.
PAGE 5
MAX16000–MAX16007 Low-Voltage, Quad-/Hex-/Octal-Voltage µP Supervisors Typical Operating Characteristics (VCC = 3.3V, TA = +25°C, unless otherwise noted.) 55 40 50 45 VCC = 3.3V 40 VCC = 2.5V 35 35 1.5 2.0 2.5 3.0 3.5 4.0 4.5 SUPPLY VOLTAGE (V) 5.0 0.998 0.995 0.990 1.5 50 0.
PAGE 6
MAX16000–MAX16007 Low-Voltage, Quad-/Hex-/Octal-Voltage µP Supervisors Typical Operating Characteristics (continued) (VCC = 3.3V, TA = +25°C, unless otherwise noted.) WATCHDOG TIMEOUT PERIOD vs. TEMPERATURE RESET TIMEOUT PERIOD vs. CSRT MAX16000 toc12 MAX16000 toc11 WATCHDOG TIMEOUT PERIOD (s) 1.59 10 1 0.1 1.58 MA 2V/ 1.57 1.56 OUT 2V/ 1.55 1.54 1.53 1.52 1.50 -40 -25 -10 5 20 35 50 65 80 95 110 125 TEMPERATURE (°C) 100µs/div CSRT (nF) MARGIN DISABLE FUNCTION REFERENCE VOLTAGE vs.
PAGE 7
MAX16000–MAX16007 Low-Voltage, Quad-/Hex-/Octal-Voltage µP Supervisors Pin Description (MAX16000/MAX16001/MAX16002) MAX16000 MAX16001 MAX16002 PIN 1 2 3 4 1 2 4 5 1 2 4 5 IN3 IN4 GND VCC Monitored Input Voltage 3. See Table 1 for the input voltage threshold. Monitored Input Voltage 4. See Table 1 for the input voltage threshold. Ground Unmonitored Power-Supply Input 5 6 — OUT3 Output 3.
PAGE 8
MAX16000–MAX16007 Low-Voltage, Quad-/Hex-/Octal-Voltage µP Supervisors Pin Description (MAX16003/MAX16004/MAX16005) 8 MAX16003 MAX16004 MAX16005 TSSOP MAX16005 TQFN PIN 1 1 3 1 IN4 Monitored Input Voltage 4. See Table 1 for the input voltage threshold. 2 2 4 2 IN5 Monitored Input Voltage 5. See Table 1 for the input voltage threshold. NAME FUNCTION 3 3 5 3 IN6 4 5 7 5 GND Ground Monitored Input Voltage 6. See Table 1 for the input voltage threshold.
PAGE 9
MAX16000–MAX16007 Low-Voltage, Quad-/Hex-/Octal-Voltage µP Supervisors Pin Description (MAX16003/MAX16004/MAX16005) (continued) MAX16003 MAX16004 MAX16005 TSSOP MAX16005 TQFN PIN 16 20 2 16 NAME FUNCTION TOL Threshold Tolerance Input. Connect TOL to GND to select 5% threshold tolerance. Connect TOL to VCC to select 10% threshold tolerance. — 4 6 4 WDI Watchdog Timer Input.
PAGE 10
MAX16000–MAX16007 Low-Voltage, Quad-/Hex-/Octal-Voltage µP Supervisors Pin Description (MAX16006/MAX16007) MAX16006 MAX16007 PIN 1 1 IN5 Monitored Input Voltage 5. See Table 1 for the input voltage threshold. 2 2 IN6 Monitored Input Voltage 6. See Table 1 for the input voltage threshold. 3 3 IN7 Monitored Input Voltage 7. See Table 1 for the input voltage threshold. 4 4 IN8 Monitored Input Voltage 8. See Table 1 for the input voltage threshold. FUNCTION 5 5 WDI Watchdog Timer Input.
PAGE 11
MAX16000–MAX16007 Low-Voltage, Quad-/Hex-/Octal-Voltage µP Supervisors Pin Description (MAX16006/MAX16007) (continued) MAX16006 MAX16007 PIN 14 12 MARGIN 15 — OUT4 Output 4. When the voltage at IN4 falls below its threshold, OUT4 goes low and stays low until the voltage at IN4 exceeds its threshold. The open-drain output has a 30µA internal pullup to VCC. 16 — OUT3 Output 3.
PAGE 12
MAX16000–MAX16007 Low-Voltage, Quad-/Hex-/Octal-Voltage µP Supervisors Table 1. Input-Voltage-Threshold Selector PART IN1 IN2 IN3 IN4 IN5 MAX16000A MAX16000B MAX16000C IN6 IN7 IN8 3.3 2.5 ADJ 1.8 — — — — 3.3 ADJ ADJ 1.8 — — — — ADJ 2.5 ADJ 1.8 — — — — MAX16000D 3.3 2.5 ADJ ADJ — — — — MAX16000E ADJ ADJ ADJ ADJ — — — — MAX16001A 3.3 2.5 ADJ 1.8 — — — — MAX16001B 3.3 ADJ ADJ 1.8 — — — — MAX16001C ADJ 2.5 ADJ 1.
PAGE 13
MAX16000–MAX16007 Low-Voltage, Quad-/Hex-/Octal-Voltage µP Supervisors Functional Diagrams VCC VCC RESET CIRCUIT IN1 OUT1 IN2 OUT2 OUTPUT DRIVER IN3 OUT3 EN OUT4 IN4 VCC VCC MAX16000 TOL REFERENCE UNDERVOLTAGE LOCKOUT VCC MARGIN Figure 1.
PAGE 14
MAX16000–MAX16007 Low-Voltage, Quad-/Hex-/Octal-Voltage µP Supervisors Functional Diagrams (continued) WDI MR SRT VCC VCC WATCHDOG TIMER CIRCUIT TIMING RESET CIRCUIT RESET IN1 (OUT1) IN2 (OUT2) OUTPUT DRIVER IN3 (OUT3) EN (OUT4) IN4 VCC TOL REFERENCE VCC UNDERVOLTAGE LOCKOUT ( ) MAX16001 ONLY MAX16001/ MAX16002 VCC MARGIN Figure 2.
PAGE 15
MAX16000–MAX16007 Low-Voltage, Quad-/Hex-/Octal-Voltage µP Supervisors Functional Diagrams (continued) (WDI) (MR) (SRT) VCC VCC WATCHDOG TIMER CIRCUIT TIMING RESET CIRCUIT (RESET) IN1 OUT1 IN2 OUT2 IN3 OUT3 OUTPUT DRIVER IN4 OUT4 IN5 OUT5 IN6 EN VCC TOL REFERENCE OUT6 VCC UNDERVOLTAGE LOCKOUT MAX16003/ MAX16004 VCC MARGIN ( ) MAX16004 ONLY Figure 3.
PAGE 16
MAX16000–MAX16007 Low-Voltage, Quad-/Hex-/Octal-Voltage µP Supervisors Functional Diagrams (continued) WDO WDI MR SRT VCC VCC WATCHDOG TIMER CIRCUIT TIMING RESET CIRCUIT RESET IN1 IN2 IN3 OUTPUT DRIVER IN4 IN5 IN6 EN VCC TOL VCC REFERENCE UNDERVOLTAGE LOCKOUT REF VCC MAX16005 MARGIN Figure 4.
PAGE 17
MAX16000–MAX16007 Low-Voltage, Quad-/Hex-/Octal-Voltage µP Supervisors Functional Diagrams (continued) WDI MR SRT VCC VCC WATCHDOG TIMER CIRCUIT TIMING RESET CIRCUIT RESET IN1 (OUT1) IN2 (OUT2) IN3 (OUT3) OUTPUT DRIVER IN4 (OUT4) IN5 (OUT5) IN6 (OUT6) IN7 (OUT7) IN8 EN VCC TOL REFERENCE OUT8 VCC UNDERVOLTAGE LOCKOUT MAX16006/ MAX16007 VCC ( ) MAX16006 ONLY MARGIN Figure 5.
PAGE 18
MAX16000–MAX16007 Low-Voltage, Quad-/Hex-/Octal-Voltage µP Supervisors Detailed Description The MAX16000–MAX16007 are low-voltage, quad-/hex-/ octal-voltage µP supervisors in small TQFN and TSSOP packages. These devices provide supervisory functions for complex multivoltage systems. The MAX16000/ MAX16001/MAX16002 monitor four voltages, the MAX16003/MAX16004/MAX16005 monitor six voltages, and the MAX16006/MAX16007 monitor eight voltages.
PAGE 19
MAX16000–MAX16007 Low-Voltage, Quad-/Hex-/Octal-Voltage µP Supervisors ( VINTH ) (VTH + VTH_HYS) R1 VTH1 = 1 + R2 5V R1 VCC R1 R2 INPUT IN1 OUT1 IN2 MAX16000 OUT2 MAX16001 IN3 OUT3 IN4 OUT4 R2 OUT VTH R3 (VV R1 = R2 INTH TH R4 ) -1 GND Figure 10. Setting the Adjustable Input ( ) R3 VTH4 = 1 + R4 VTH Adjustable Input Figure 8. Window Detection OUT1 V TH1 These devices offer several monitor options with adjustable input thresholds (see Table 1).
PAGE 20
MAX16000–MAX16007 Low-Voltage, Quad-/Hex-/Octal-Voltage µP Supervisors VCC = 3.3V 5V IN_ VTH_ VTH_ 100kΩ VCC VCC RESET OUT_ 90% 10% RESET tRD tRP OUT_ 90% MAX16001/ MAX16002/ MAX16004–MAX16007 GND 10% GND Figure 11. Interfacing to a Different Logic Supply Voltage RESET Output (MAX16001/MAX16002/ MAX16004–MAX16007) RESET asserts low when any of the monitored voltages fall below their respective thresholds or MR is asserted.
PAGE 21
MAX16000–MAX16007 Low-Voltage, Quad-/Hex-/Octal-Voltage µP Supervisors VTH + VTH_HYST VTH + VTH_HYST VTH VIN RESET tRP tRP WDO WDI t
PAGE 22
MAX16000–MAX16007 Low-Voltage, Quad-/Hex-/Octal-Voltage µP Supervisors VTH + VTH_HYST VTH + VTH_HYST VTH VIN MARGIN RESET INTERNAL RESET SIGNAL tRP tRP Figure 15. Margin Output Disable (MARGIN) Affect on RESET Outside tRP Reset Timeout Capacitor The reset timeout period can be adjusted to accommodate a variety of µP applications from 50µs to 1.12s. Adjust the reset timeout period (tRP) by connecting a capacitor (CSRT) between SRT and GND.
PAGE 23
MAX16000–MAX16007 Low-Voltage, Quad-/Hex-/Octal-Voltage µP Supervisors IN1 10 IN2 11 OUT4 IN1 10 5 OUT3 IN2 11 4 VCC TOL 12 SRT 7 MAX16002 1 2 3 1 MR 5 VCC 4 GND GND IN3 2 3 9 MARGIN 10 OUT3 SRT 11 OUT2 MARGIN 12 TOP VIEW OUT1 OUT2 TQFN (4mm x 4mm) OUT1 TQFN (4mm x 4mm) TOP VIEW 6 + IN4 + 8 IN3 TOL 12 MAX16000 6 9 WDI 7 MARGIN 8 IN4 MARGIN 9 TOP VIEW RESET OUT2 TOP VIEW OUT1 Pin Configurations 12 11 10 9 RESET 13 8 MR IN1 13 8 OUT6 I
PAGE 24
MAX16000–MAX16007 Low-Voltage, Quad-/Hex-/Octal-Voltage µP Supervisors 18 RESET 16 10 MR IN1 17 9 OUT6 IN2 18 8 OUT5 7 OUT4 6 VCC MAX16004 SRT 11 MARGIN 12 OUT4 SRT 13 OUT3 MARGIN 14 OUT2 OUT3 15 TOP VIEW 17 16 15 14 13 OUT1 OUT2 TOP VIEW OUT1 Pin Configurations (continued) RESET 19 12 MR IN1 20 11 OUT8 IN2 21 10 OUT7 9 OUT6 8 OUT5 7 VCC MAX16006 IN3 22 IN3 19 IN4 23 TOL 20 + + 1 2 WDI GND IN5 IN6 6 + 7 IN2 14 MAX16005 1 2 3 4 IN4
PAGE 25
MAX16000–MAX16007 Low-Voltage, Quad-/Hex-/Octal-Voltage µP Supervisors Ordering Information (continued) PART TEMP RANGE Chip Information PROCESS: BiCMOS PIN-PACKAGE MAX16001_TE+ -40°C to +125°C 16 TQFN-EP* MAX16001_TE/V+ -40°C to +125°C 16 TQFN-EP* MAX16002_TC+ -40°C to +125°C 12 TQFN-EP* MAX16003_TE+ -40°C to +125°C 16 TQFN-EP* MAX16004_TP+ -40°C to +125°C 20 TQFN-EP* MAX16005_TE+ -40°C to +125°C 16 TQFN-EP* MAX16005_UE+ -40°C to +125°C 16 TSSOP MAX16006_TG+ -40°C to +125°C 24 TQ
PAGE 26
MAX16000–MAX16007 Low-Voltage, Quad-/Hex-/Octal-Voltage µP Supervisors Revision History REVISION NUMBER REVISION DATE 0 12/05 Initial release 1 1/06 Released MAX16003 and MAX16004. 2 7/06 Released MAX16005. Updated Pin Description and Detailed Description. 3 12/08 Added the MAX16005 TSSOP package. Modified the Detailed Description, and added Figures 13, 14, and 15. 1, 2, 7, 8, 9, 10, 20–26 4 8/10 Revised the Absolute Maximum Ratings and the Power-Supply Bypassing sections.