MAX16063TG+ Maxim Integrated Products, MAX16063TG+ Datasheet

IC PWR MNTR/OVRVOLT PROT 24TQFN

MAX16063TG+

Manufacturer Part Number
MAX16063TG+
Description
IC PWR MNTR/OVRVOLT PROT 24TQFN
Manufacturer
Maxim Integrated Products
Datasheet

Specifications of MAX16063TG+

Applications
Power Supply Monitor, Overvoltage Protection
Voltage - Supply
1 V ~ 5.5 V
Current - Supply
45µA
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
24-TQFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Input
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
The MAX16063 is a 1% accurate, adjustable, quad win-
dow voltage detector in a small thin QFN package. This
device is designed to provide a higher level of system
reliability by monitoring multiple supply voltages and pro-
viding a fault signal when any of the voltages exceed
their overvoltage thresholds or fall below their undervolt-
age thresholds.
The MAX16063 offers user-adjustable voltage thresh-
olds that allow voltages to be monitored down to 0.4V.
This allows the upper and lower trip thresholds of each
window detector to be set externally with the use of
three external resistors.
Each monitored threshold has an independent open-
drain output for signaling a fault condition. The outputs
can be wire-ORed together to provide a single fault out-
put. The open-drain outputs are internally pulled up
with a 30µA current, but can be externally driven to
other voltage levels for interfacing to other logic levels.
Features include a margin input to disable the outputs
during margin testing or any other time after power-up
operations. Also featured is a reset output that
deasserts after a reset timeout period after all voltages
are within their threshold specifications. The reset time-
out is internally set to 140ms (min), but can be external-
ly adjusted to other reset timeouts using an external
capacitor. In addition, the MAX16063 offers a manual
reset input.
This device is offered in a 4mm x 4mm thin QFN pack-
age and is fully specified from -40°C to +125°C.
19-4100; Rev 0; 4/08
Pin Configuration appears at end of data sheet.
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.
Storage Equipment
Networking/Telecommunications Equipment
Multivoltage ASICs
Servers
Automotive
________________________________________________________________ Maxim Integrated Products
General Description
Applications
Quad Window Voltage Detector
1% Accurate, Low-Voltage,
o Monitor Four Undervoltage/Overvoltage Conditions
o 1% Accuracy Over Temperature
o User-Adjustable Voltage Thresholds
o Open-Drain Outputs with Internal Pullups Reduce
o Manual Reset Input
o Margin Enable Input
o Fixed or Adjustable RESET Timeout
o Guaranteed to Remain Asserted Down to V
o Fully Specified from -40°C to +125°C
o Small, 4mm x 4mm Thin QFN Package
+ Denotes a lead-free package.
* EP = Exposed pad.
For tape-and-reel, add a “T” after the “+.” Tape-and-reel are
offered in 2.5k increments.
MAX16063TG+
(Down to 0.4V)
the Number of External Components
3.5V
2.5V
1.8V
1.5V
PART
Typical Operating Circuit
UVIN1
OVIN1
UVIN2
OVIN2
UVIN3
OVIN3
UVIN4
OVIN4
SRT
-40°C to +125°C
Ordering Information
TEMP RANGE
MAX16063
V
GND
CC
MARGIN
UVOUT1
OVOUT1
UVOUT2
OVOUT2
UVOUT3
OVOUT3
UVOUT4
OVOUT4
RESET
MR
PIN-PACKAGE
24 TQFN-EP*
Features
RESET
V
µC
GND
CC
CC
= 1V
1

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MAX16063TG+ Summary of contents

Page 1

... Fixed or Adjustable RESET Timeout o Guaranteed to Remain Asserted Down Fully Specified from -40°C to +125°C o Small, 4mm x 4mm Thin QFN Package PART MAX16063TG+ + Denotes a lead-free package Exposed pad. For tape-and-reel, add a “T” after the “+.” Tape-and-reel are offered in 2.5k increments. ...

Page 2

Accurate, Low-Voltage, Quad Window Voltage Detector ABSOLUTE MAXIMUM RATINGS , OVOUT_, UVOUT_, RESET UVIN_, OVIN_ to GND .........................................-0.3V to +6V MARGIN, MR, SRT to GND ........................-0. Input/Output Current (RESET, MARGIN, SRT, MR, UVOUT_, OVOUT_) .......±20mA ...

Page 3

ELECTRICAL CHARACTERISTICS (continued 2.0V to 5.5V -40°C to +125°C, unless otherwise specified. Typical values are PARAMETER SYMBOL RESET Output-Voltage Low V OL RESET Output-Voltage High Input-Voltage Low V MR ...

Page 4

Accurate, Low-Voltage, Quad Window Voltage Detector (V = 3.3V +25°C, unless otherwise noted SUPPLY CURRENT vs. SUPPLY VOLTAGE 60 MARGIN AND MR UNCONNECTED 1.5 2.0 2.5 3.0 3.5 4.0 ...

Page 5

T = +25°C, unless otherwise noted RESET TIMEOUT PERIOD vs. TEMPERATURE 198 197 196 195 194 193 192 191 190 -40 -25 - TEMPERATURE (°C) UVIN_ TO UVOUT_ DELAY TIME ...

Page 6

Accurate, Low-Voltage, Quad Window Voltage Detector PIN NAME Undervoltage Threshold Input 3. When the voltage on UVIN3 falls below its threshold, UVOUT3 asserts low. 1 UVIN3 Overvoltage Threshold Input 3. When the voltage on OVIN3 rises above its threshold, ...

Page 7

PIN NAME Active-Low Overvoltage Output 2. When the voltage at OVIN2 rises above its threshold, OVOUT2 asserts OVOUT2 15 low and stays asserted until the voltage at OVIN2 falls below its threshold. The open-drain output has a 30µA internal pullup ...

Page 8

Accurate, Low-Voltage, Quad Window Voltage Detector UVIN1 OVIN1 UVIN2 OVIN2 UVIN3 OVIN3 UVIN4 V CC OVIN4 V CC UNDERVOLTAGE LOCKOUT REFERENCE Figure 1. Functional Diagram 8 _______________________________________________________________________________________ MR SRT TIMING RESET CIRCUIT OUTPUT DRIVER V ...

Page 9

Detailed Description The MAX16063 is an adjustable quad window voltage detector in a small thin QFN package. This device is designed to provide a higher level of system reliability by monitoring multiple supply voltages and providing a fault signal when ...

Page 10

Accurate, Low-Voltage, Quad Window Voltage Detector Use the following formulas to calculate the error: ⎛ ⎝ ⎜ (%) = TRIPLOW + I ...

Page 11

RESET asserts low when the voltage on any of the UVIN_ inputs falls below its respective threshold, the voltage on any of the OVIN_ inputs goes above its respective threshold asserted. RESET remains asserted for the reset ...

Page 12

Accurate, Low-Voltage, Quad Window Voltage Detector Margin Output Disable ( MARGIN ) MARGIN allows system-level testing while power sup- plies are adjusted from their nominal voltages. Drive MARGIN low to deassert all outputs (UVOUT_, OVOUT_, and RESET) regardless of ...

Page 13

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 13 © 2008 Maxim Integrated Products ...

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