MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
General Description
The MAX16132–MAX16135 are low-voltage, ±1% accurate,
single, dual, triple, and quad-voltage μP supervisors that
monitor up to 4 system-supply voltages for undervoltage
and overvoltage faults. The MAX16132–MAX16134 feature
independent reset outputs, while the MAX16135 features
dual reset outputs. For the MAX16132–MAX16134, a
reset output asserts when the voltage at its corresponding
input falls outside a factory-trimmed undervoltage and
overvoltage window threshold. The reset is maintained
for a minimum timeout period after voltage at the input
falls within the factory-set window threshold. For the
MAX16135, a reset output asserts when either, or both, of
the corresponding inputs fall outside the factory-trimmed
undervoltage and overvoltage window thresholds. See
Selector Guide for available options. These integrated
supervisory circuits significantly improve system reliability
and reduce size compared to separate ICs or discrete
components.
The MAX16132–MAX16135 are fixed-threshold devices.
The nominal input voltage for any input is factory
programmable from 0.5 to 5.0V, providing a wide range
of threshold selections. The window threshold levels are
factory programmable from ±4% to ±11%, with ±1%
resolution and 0.25% or 0.50% hysteresis. The ±1%
threshold accuracy over temperature and window threshold
monitoring make these devices ideal for automotive
ADAS applications.
The reset outputs are active-low, open-drain, and are
guaranteed to be in the correct reset output logic state
when VDD remains greater than 1.0V. All devices are
offered with 23 reset timeout periods ranging from 20µs
(min) to 1200ms (min). All reset outputs share the same
factory-set reset timeout period.
The MAX16132–MAX16135 are available in a small 8-pin
SOT23 package and specified over the automotive
temperature range of -40°C to +125°C.
Applications
●● ADAS
●● Multivoltage ASICs
●● Storage Equipment
●● Servers
19-8708; Rev 4; 8/17
Benefits and Features
●● High Precision
• ±1% Threshold Accuracy Over Temperature
●● Programmable OV Threshold: 104% to 111%
●● Programmable UV Threshold: 89% to 96%
●● Programmable Input Voltage from 0.5V to 5.0V
●● Low 15µA Supply Current
●● Quad-Input Monitor
●● 23 Programmable Reset Timeout Periods
●● Immune to Short Monitored Supply Transients
●● Guaranteed Correct Logic State Down to VDD = 1V
●● Open-Drain Outputs
●● Small SOT-23 Package
●● -40°C to +125°C Automotive Operating Temperature
Range
Ordering Information appears at end of data sheet.
MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
TABLE OF CONTENTS
General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Benefits and Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Simplified Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Package Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
SOT23-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Typical Operating Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Pin Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Functional Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Single-Input Functional Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Dual-Input Functional Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Triple-Input Functional Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Quad-Input Functional Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Detailed Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Detailed Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Input Tolerance/Hysteresis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Reset Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Configuration Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Reset Timeout Period . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Applications Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Unused Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Setting Input Thresholds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Undervoltage/Overvoltage-Detection Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Typical Operating Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Power-Supply Bypassing and Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Selector Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
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Maxim Integrated │ 2
MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
LIST OF FIGURES
Figure 1. Independent Reset Output Timing Diagram (MAX16133/MAX16134) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 2. Undervoltage/Overvoltage Detection Circuit with LED Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 3. Power Supply Bypassing/Input Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
LIST OF TABLES
Table 1. Single-Input Nominal Voltage Options (Typ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Table 2. Dual-Input Nominal Voltage Options (Typ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Table 3. Triple-Input Nominal Voltage Options (Typ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Table 4. Quad-Input Nominal Voltage Options (Typ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Table 5. Single-Input HYS/TOL Options (Typ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Table 6. Dual-Input HYS/TOL Options (Typ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Table 7. Triple-Input HYS/TOL Options (Typ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Table 8. Quad-Input HYS/TOL Options (Typ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Table 9. Reset Timeout (Min) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
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Maxim Integrated │ 3
MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
Simplified Block Diagram
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Maxim Integrated │ 4
MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
Absolute Maximum Ratings
VDD to GND.............................................................-0.3V to +6V
VIN1, VIN2, VIN3, VIN4 to GND.................................-0.3V to +6V
VRESET1, VRESET2, VRESET3 to GND....................-0.3V to +6V
Maximum Input/Output Current (all pins) .........................±20mA
Continuous Power Dissipation (TA = +70°C)...................408mW
Operating Temperature Range.......................... -40°C to +125°C
Junction Temperature.......................................................+150°C
Soldering Temperature (Reflow).......................................+260°C
Storage Temperature Range............................. -65°C to +150°C
Lead Temperature ............................................................. 300°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these
or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect
device reliability.
Package Information
SOT23-8
SOT23-8 Package Drawing Link
PACKAGE CODE
K8+5
Outline Number
21-0078
Land Pattern Number
90-0176
Thermal Resistance, Single-Layer Board:
Junction to Ambient (θJA)
Junction to Case (θJC)
800
Thermal Resistance, Four-Layer Board:
Junction to Ambient (θJA)
196
Junction to Case (θJC)
70
For the latest package outline information and land patterns (footprints), go to www.maximintegrated.com/packages. Note that a “+”,
“#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing
pertains to the package regardless of RoHS status.
Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer board.
For detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial.
Electrical Characteristics
( VDD = 1.71V to 5.5V, TA = TA = TJ = -40°C to +125°C. Typical values are at TA = +25°C, unless otherwise noted. (Note2))
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
5.5
V
1.50
1.65
V
SUPPLY VOLTAGE
Operating Voltage Range
VDD
1.71
Undervoltage-Lockout Threshold
VUVLO
VDD rising
Undervoltage-Lockout Threshold
Hysteresis
VUVLO_HYS
VDD falling
1.35
47
mV
Supply Current
Supply Current
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IDD
RESET_ not asserted
5
12.5
30
μA
Maxim Integrated │ 5
MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
Electrical Characteristics (continued)
( VDD = 1.71V to 5.5V, TA = TA = TJ = -40°C to +125°C. Typical values are at TA = +25°C, unless otherwise noted. (Note2))
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
0.5
5.0
V
4
11
%
INPUT VOLTAGE
Nominal Input Voltage
Programming Range
Tolerance Programming Range
Tolerance Programming Resolution
VIN_NOM
TOL
(Note 3)
Reset occurs when VIN_NOM falls
outside of VIN_NOM x (1 ± TOL%)
TOLRES
1
(Note 4)
Undervoltage/Overvoltage Threshold
Hysteresis
0.04
(Note 4)
0.25
%VIN_NOM
0.47
0.50
%VIN_NOM
Undervoltage Threshold Accuracy
VUV_TH_AC
VIN_NOM falling,
VUV_TH = VIN_NOM x (1 - TOL%)
-1
VUV_TH
+1
%
Overvoltage Threshold Accuracy
OVTH_AC
VIN_NOM rising,
VOV_TH = VIN_NOM x (1 + TOL%)
-1
VOV_
+1
%
μA
IN_ Input Current
IIN_
TH
VIN_ = VIN_NOM
1.30
2
VDD = 5V, ISINK = 3mA, RESET_
asserted,
0.1
0.3
VDD = 1V, ISINK = 8μA,
RESET_asserted
0.1
0.3
RESET OUTPUTS (Note 4)
Reset Output Voltage Low
VOL
Reset Output Leakage Current
Reset Timeout Period
tRP
IN_ to RESET_Propagation Delay
tD
V
VRESET_ = 5.5V, TA = +25°C
0.001
VRESET_ = 5.5V, TA = +125°C
0.01
1
tRP
+30
-40
(VTH_UV + 1%) to (VTH_UV - 1%)
15
(VOV_TH - 1%) to (VOV_TH + 1%)
15
μA
%
μs
Note 2: Devices are tested at TA = +25°C and guaranteed by design for TA = -40°C to +125°C.
Note 3: The sum of nominal input voltage, tolerance percentage, and threshold accuracy percentage must not exceed 5.5V
Note 4: Contact factory for the desired option.
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Maxim Integrated │ 6
MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
Typical Operating Characteristics
(VDD = 5V, TA = +25°C, unless otherwise noted.)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
SUPPLY CURRENT vs. SUPPLY VOLTAGE
toc01
20
18
MAX16134
16
16
14
SUPPLY CURRENT(µA)
SUPPLY CURRENT(µA)
18
toc02
MAX16134
TA = 125°C
12
10
TA = 25°C
8
14
12
VDD = 3.3V
8
TA = -40°C
6
VDD = 5V
10
6
4
4
1.5
2.5
3.5
4.5
5.5
-40 -25 -10 5
NORMALIZEDUVTH FALLING/RISING
vs. TEMPERATURE
1.002
UVTH-
1.001
1.000
toc04
1.003
OVTH_ FALLING/RISING
UVTH FALLING/RISING
NORMALIZEDOVTH FALLING/RISING
vs. TEMPERATURE
toc03
1.003
1.002
UVTH+
0.999
0.998
0.997
1.001
1.000
OVTH-
0.999
0.998
0.997
0.996
-40 -25 -10 5
20 35 50 65 80 95 110 125
TEMPERATURE(°C)
SUPPLY VOTLAGE(V)
OVTH+
0.996
20 35 50 65 80 95 110 125
-40 -25 -10 5
20 35 50 65 80 95 110 125
TEMPERATURE (°C)
TEMPERATURE (°C)
UV TH HYS. vs. TEMPERATURE
toc05
0.550
UVTH HYS (%)
0.540
0.530
0.520
0.510
0.500
-40 -25 -10 5
20 35 50 65 80 95 110 125
TEMPERATURE (°C)
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Maxim Integrated │ 7
MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
Typical Operating Characteristics (continued)
(VDD = 5V, TA = +25°C, unless otherwise noted.)
NORMALIZEDRESET TIMEOUT
vs. TEMPERATURE
OVTH HYS. vs. TEMPERATURE
toc06
0.450
NORMALIZED RESET TIMEOUT PERIOD
0.445
OVTH HYS(%)
toc07
1.5
0.440
0.435
0.430
0.425
0.420
-40 -25 -10 5
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
20 35 50 65 80 95 110 125
TEMPERATURE
1.4
-40 -25 -10 5
(°C)
OV TRANSIENT DURATION
vs. THRESHOLD OVERDRIVE
UV TRANSIENT DURATION
vs. THRESHOLDOVERDRIVE
toc08
36
toc09
32
32
28
OV THRESHOLD OVERDRIVE (%)
UV THRESHOLD OVERDRIVE (%)
20 35 50 65 80 95 110 125
TEMPERATURE (°C)
28
24
RESET OCCURS ABOVE THIS
20
16
12
8
4
24
20
RESET OCCURS ABOVE THIS
16
12
0
8
4
0
1
10
100
1000
1
10
TRANSIENT DURATION (µs)
100
1000
TRANSIENT DURATION (µs)
RESET OUTPUT VOLTAGELOW
vs. SINK CURRENT
toc10
RESET OUTPUT VOLTAGE LOW(mV)
140
TA = -40°C
120
100
TA = +25°C
TA = +125°C
80
60
40
20
0
0
2
4
6
8
10
12
14
16
18
20
SINK CURRENT(mA)
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Maxim Integrated │ 8
MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
Pin Configuration
VDD
IN
1
2
MAX16132
8
RESET
7
N.C.
IN1
VDD
1
2
MAX16134
8
RESET1
7
RESET2
N.C.
3
6
N.C.
IN2
3
6
RESET3
GND
4
5
N.C.
GND
4
5
IN3
8
RESET1
7
RESET2
SOT23-8
VDD
IN1
1
2
MAX16133
SOT23-8
8
RESET1
7
RESET2
IN1
VDD
1
2
MAX16135
IN2
3
6
N.C.
IN2
3
6
IN4
GND
4
5
N.C.
GND
4
5
IN3
SOT23-8
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SOT23-8
Maxim Integrated │ 9
MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
Pin Description
PIN
NAME
FUNCTION
MAX16132
MAX16133
MAX16134
MAX16135
1
1
1
1
VDD
2
—
—
—
IN
3, 5, 6, 7
5, 6
—
—
N.C.
No Connect. Leave open or connect to ground.
4
4
4
4
GND
Ground
8
—
—
—
—
—
2
3
7
8
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—
2
3
7
8
—
2
3
7
8
Supply Input. Bypass with a 0.1µF capacitor to
GND.
Monitoring Input. Connect IN to its nominal input voltage.
When VIN falls outside overvoltage/undervoltage window
threshold, RESET asserts.
RESET
Active-Low, Open-Drain Reset Output. RESET
asserts when VIN falls outside of the undervoltage/
overvoltage window threshold. RESET stays
asserted for the reset timeout period after VIN fall
within the undervoltage/overvoltage window threshold.
RESET requires a pullup resistor.
IN1
Monitoring Input 1. Connect IN1 to its nominal input
voltage. When VIN1 falls outside undervoltage/
overvoltage window threshold, RESET1 asserts.
For the quad input (MAX16135), RESET1 asserts
when either IN1 and/or IN2 falls outside the
undervoltage/overvotlage window threshold.
IN2
Monitoring Input 2. Connect IN2 to its nominal input
voltage. When VIN2 falls outside the undervoltage/
overvoltage window threshold, RESET2 asserts.
For the quad input (MAX16135), RESET1 asserts
when either IN2 and/or IN1 falls outside the
undervoltage/overvotlage window threshold.
RESET2
Active-Low, Open-Drain Reset Output 2. RESET2
asserts when VIN2 falls outside the undervoltage/
overvoltage window threshold. RESET2 stays
asserted for the reset timeout period after VIN2
falls within the undervoltage/overvoltage window
threshold. RESET2 requires a pullup resistor. For
the MAX16135, RESET2 asserts when either IN3
and/or IN4 falls outside the undervoltage/
overvoltlage window threshold.
RESET1
Active-Low, Open-Drain Reset Output 1. RESET1
asserts when VIN1 falls outside the undervoltage/
overvoltage window threshold. RESET1 stays
asserted for the reset timeout period after VIN1
falls within the undervoltage/overvoltage window
threshold. RESET1 requires a pull up resistor.For
the MAX16135, RESET1 asserts when either IN1
and/or IN2 falls outside the undervoltage/overvotlage window threshold.
Maxim Integrated │ 10
MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
Pin Description (continued)
PIN
MAX16132
—
—
—
MAX16133
—
—
—
MAX16134
5
6
—
MAX16135
5
—
6
NAME
FUNCTION
IN3
Monitoring Input 3. Connect IN3 to its nominal input
voltage. When VIN3 falls outside overvoltage/
undervoltage window threshold, RESET3 asserts.
For the MAX16135, RESET2 asserts when either
IN3 and/or IN4 falls outside the undervoltage/
overvoltage window threshold.
RESET3
IN4
Active-Low, Open-Drain Reset Output 3. RESET3
asserts when VIN3 falls outside the undervoltage/
overvoltage window threshold. RESET3 stays
asserted for the reset timeout period after VIN3
falls within the undervoltage/overvoltage window
threshold. RESET3 requires a pullup resistor.
Monitoring Input 4. Connect IN4 to its nominal input
voltage. When VIN4 falls outside the overvoltage/
undervoltage window threshold, RESET2 asserts.
RESET2 asserts when either IN4 and/or IN3 falls
outside the undervoltage/overvotlage windowthreshold.
Single-Input Functional Block Diagram
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Maxim Integrated │ 11
MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
Dual-Input Functional Block Diagram
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Maxim Integrated │ 12
MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
Triple-Input Functional Block Diagram
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Maxim Integrated │ 13
MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
Quad-Input Functional Block Diagram
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Maxim Integrated │ 14
MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
Detailed Description
The MAX16132–MAX16135 are single, dual, triple, and
quad-voltage μP supervisors designed to maintain system
integrity in multi-supply systems. These devices offer
undervoltage and overvoltage window threshold monitoring
within ±1% accuracy over temperature.
The MAX16132–MAX16135 are immune to short IN_
transients. Each of the internal comparators are factory
set to either 0.5% or 0.25% hysteresis with respect to the
selected nominal input voltage. Hysteresis provides input
immunity to ambient noise without significantly reducing the input threshold accuracy. See the Maximum IN_
Transient Duration vs. Reset Threshold Overdrive graph
in the Typical Operating Characteristics section.
Input Voltage
Reset Outputs
Detailed Description
The MAX16132–MAX16135 feature factory-programmable
input-voltage-level options from 0.5V to 5V. See Table 1
thru Table 4, as well as the Selector Guide for standard
voltage options. The selection of nominal input voltage does
not set the voltage threshold levels. For the MAX16132–
MAX16135, the undervoltage and overvoltage thresholds
are determined by the selection of input tolerance.See
the Electrical Characteristics table and Input Tolerance/
Hysteresis section for more detail.
Input Tolerance/Hysteresis
The MAX16132–MAX1635 are designed to offer eight
factory-programmable input tolerance levels from ±4% to
±11% in ±1% increments. The input tolerance level sets
the undervotlage and overvoltage threshold levels with
respect to the selected nominal input voltage. See Table
5 thru Table 8 for hysteresis and tolerance values.
The MAX16132–MAX16134 feature independent, activelow, open-drain reset outputs, while the MAX16135 features
dual reset outputs. For the MAX16132–MAX16134, when
an input voltage falls outside the set window threshold,
the corresponding reset outputs asserts. The reset output
de-asserts after the reset timeout period when the input
voltage falls within the window threshold. See Figure 1 for
more detail.
The MAX16135 feature dual reset outputs. RESET1
asserts when VIN1 and/or VIN2 falls outside the set
window threshold. RESET2 asserts when VIN3 and/or
VIN4 falls outside the set window threshold. RESET1 and
RESET2 de-assert after the reset timeout period when
their corresponding input voltages are within the set window threshold. At power-up, resets stay asserted for the
reset timeout period once VDD is above the UVLO. All
reset outputs require a pullup resistor to VDD.
Figure 1. Independent Reset Output Timing Diagram (MAX16133/MAX16134)
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Maxim Integrated │ 15
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
MAX16132–MAX16135
Reset Timeout Period
The MAX16132–MAX16134 offer 23 factory-set reset
timeout periods. All reset outputs share the same reset
timeout period. See Table 9 reset timeout period selection.
Table 1. Single-Input Nominal Voltage
Options (Typ)
SUFFIX
IN_NOM (V)
SUFFIX
IN_NOM (V)
05
0.500
28
2.800
06
0.600
29
2.900
07
0.700
30
3.000
08
0.800
31
3.100
09
0.900
32
3.200
10
1.00
33
3.300
11
1.100
34
3.400
12
1.200
35
3.500
04
1.240
–
–
13
1.300
36
3.600
14
1.400
37
3.700
15
1.500
38
3.800
16
1.600
39
3.900
17
1.700
40
4.000
18
1.800
41
4.100
19
1.900
42
4.200
20
2.000
43
4.300
21
2.100
44
4.400
22
2.200
45
4.500
23
2.300
46
4.600
24
2.400
47
4.700
25
2.500
48
4.800
26
2.600
49
4.900
27
2.700
50
5.000
Minimum order quantity of 10k required. Contact factory for
available options.
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Table 2. Dual-Input Nominal Voltage
Options (Typ)
SUFFIX
IN1_NOM
(V)
IN2_NOM
(V)
A
5.000
3.300
B
5.000
1.800
C
5.000
1.200
D
5.000
1.000
E
3.300
1.800
F
3.300
1.200
G
3.300
1.000
H
2.500
1.200
I
2.500
1.160
J
1.800
1.500
K
1.800
1.200
L
1.800
1.000
M
1.500
1.200
N
1.500
1.000
O
1.200
1.000
P
2.500
1.140
Minimum order quantity of 10k required. Contact factory for
available options.
Table 3. Triple-Input Nominal Voltage
Options (Typ)
IN1_ NOM
IN2_NOM (V) IN3_NOM (V)
(V)
A
5.000
3.300
1.800
B
5.000
3.300
1.200
C
5.000
3.300
1.000
D
4.800
3.000
1.800
E
4.800
3.000
1.200
F
4.800
1.800
1.200
G
4.800
1.800
1.000
H
4.500
3.300
1.800
I
4.500
3.300
1.200
J
4.500
3.300
1.000
K
3.300
1.800
1.200
L
3.300
1.800
1.000
M
3.000
1.800
1.200
N
3.000
1.800
1.000
O
2.500
1.800
1.200
P
2.500
1.800
1.000
Q
3.30
2.50
1.160
Minimum order quantity of 10k required. Contact factory for
available options.
SUFFIX
Maxim Integrated │ 16
MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
Table 4. Quad-Input Nominal Voltage
Options (Typ)
Table 5. Single-Input HYS/TOL Options (Typ)
SUFFIX
IN HYS(%)/TOL(±%))
SUFFIX
IN1_NOM
(V)
IN2_NOM
(V)
IN3_NOM
(V)
IN4_NOM
(V)
A
0.5/4
B
0.25/4
A
5.000
3.300
2.500
1.500
C
0.5/5
B
5.000
3.300
1.800
1.200
D
0.25/5
C
5.000
3.300
1.200
1.000
E
0.5/6
D
4.800
3.300
1.800
1.200
F
0.25/6
E
4.800
2.500
1.800
1.200
G
0.5/7
F
4.800
3.00
1.500
1.000
H
0.25/7
G
4.500
3.300
2.500
1.800
I
0.5/8
H
4.500
3.000
1.800
1.200
J
0.25/8
I
3.300
2.500
1.800
1.500
K
0.5/9
J
3.300
2.500
1.800
1.200
L
0.25/9
K
3.300
1.800
1.200
1.000
M
0.5/10
L
3.000
2.500
1.500
1.200
N
0.25/10
M
3.000
1.800
1.200
1.000
O
0.5/11
N
2.500
1.800
1.200
1.000
P
0.25/11
O
2.300
1.800
1.500
1.200
P
2.300
1.500
1.200
1.000
Q
0.820
0.820
0.820
0.820
R
5.000
3.240
1.220
1.800
S
1.800
1.500
1.360
1.200
Minimum order quantity of 10k required. Contact factory for
available options.
Minimum order quantity of 10k required. Contact factory for
available options.
Table 6. Dual-Input HYS/TOL Options (TYP)
SUFFIX
IN1 HYS(%)/
TOL(±%)
IN2
HYS(%)/TOL(±%)
A
0.5/4
0.5/4
B
0.25/4
0.25/4
C
0.5/5
0.5/5
D
0.25/5
0.25/5
E
0.5/6
0.5/6
F
0.25/6
0.25/6
G
0.5/7
0.5/7
H
0.25/7
0.25/7
I
0.5/8
0.5/8
J
0.25/8
0.25/8
K
0.5/9
0.5/9
L
0.25/9
0.25/9
M
0.5/10
0.5/10
N
0.25/10
0.25/10
O
0.5/11
0.5/11
P
0.25/11
0.25/11
Minimum order quantity of 10k required. Contact factory for
available options.
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Maxim Integrated │ 17
MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
Table 7. Triple-Input HYS/TOL Options (Typ)
SUFFIX
IN1 HYS(%)/
TOL
(±%)
IN2
HYS(%)/TOL
(±%)
IN3
HYS(%)/TOL
(±%)
Table 8. Quad-Input HYS/TOL Options (Typ)
SUFFIX
IN1 HYS(%)/
TOL (±%)
IN2
HYS(%)/
TOL (±%)
IN3
HYS(%)/
TOL (±%)
IN4
HYS(%)/
TOL (±%)
A
0.5/4
0.5/4
0.5/4
A
0.5/4
0.5/4
0.5/4
0.5/4
B
0.25/4
0.25/4
0.25/4
B
0.25/4
0.25/4
0.25/4
0.25/4
C
0.5/5
0.5/5
0.5/5
C
0.5/5
0.5/5
0.5/5
0.5/5
D
0.25/5
0.25/5
0.25/5
D
0.25/5
0.25/5
0.25/5
0.25/5
E
0.5/6
0.5/6
0.5/6
E
0.5/6
0.5/6
0.5/6
0.5/6
F
0.25/6
0.25/6
0.25/6
F
0.25/6
0.25/6
0.25/6
0.25/6
G
0.5/7
0.5/7
0.5/7
G
0.5/7
0.5/7
0.5/7
0.5/7
H
0.25/7
0.25/7
0.25/7
H
0.25/7
0.25/7
0.25/7
0.25/7
I
0.5/8
0.5/8
0.5/8
I
0.5/8
0.5/8
0.5/8
0.5/8
J
0.25/8
0.25/8
0.25/8
J
0.25/8
0.25/8
0.25/8
0.25/8
K
0.5/9
0.5/9
0.5/9
K
0.5/9
0.5/9
0.5/9
0.5/9
L
0.25/9
0.25/9
0.25/9
L
0.25/9
0.25/9
0.25/9
0.25/9
M
0.5/10
0.5/10
0.5/10
M
0.5/10
0.5/10
0.5/10
0.5/10
N
0.25/10
0.25/10
0.25/10
N
0.25/10
0.25/10
0.25/10
0.25/10
O
0.5/11
0.5/11
0.5/11
O
0.5/11
0.5/11
0.5/11
0.5/11
P
0.25/11
0.25/11
0.25/11
P
0.25/11
0.25/11
0.25/11
0.25/11
Minimum order quantity of 10k required. Contact factory for
available options.
Q
0.25/11
0.25/4
0.5/11
0.5/4
R
0.25/8
0.25/5
0.25/5
0.25/4
Minimum order quantity of 10k required. Contact factory for
available options.
Table 9. Reset Timeout (Min)
SUFFIX
TRP
SUFFIX
TRP
A
20µs
M
70ms
B
1ms
N
100ms
C
2ms
O
140ms
D
3ms
P
150ms
E
5ms
Q
200ms
F
10ms
R
280ms
G
15ms
S
400ms
H
20ms
T
560ms
I
25ms
U
800ms
J
35ms
V
1120ms
K
40ms
W
1200ms
L
50ms
-
-
Minimum order quantity of 10k required. Contact factory for
available options.
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Maxim Integrated │ 18
MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
Applications Information
The MAX16132–MAX16135 feature ±1% threshold
accuracy over temperature. This excursion must be
added to the calculated undervotlage and overvoltage
threshold settings to account for the threshold variation
as shown below:
VUVTH_EXC = VUVTH (1 ± 1 % )
Unused Inputs
The MAX16132–MAX16135 are capable of monitoring
inputs for undervoltage and overvoltage events within a
very narrow voltage window. Connect any unused IN_
input to its nominal voltage setting.
Setting Input Thresholds
The MAX16132–MAX16135 reset devices that monitor
input within a window-threshold set by the input tolerance
selection. Tolerance setting determines the boundary for
undervoltage and overvoltage thresholds. The selected
nominal input voltage must stay within the window threshold
for the MAX16132–MAX16135 not to issue a reset signal.
See below for threshold calculation for 2.5V nominal input
voltage and ±10% input tolerance:
VINNOM = 2.5V
TOL = ± 10 %
= 2.250V (1 ± 0.01) = 2.250V ± 0.0225V
VOVTH_EXC = VOVTH
(1 ± 1 % )
= 2.750V (1 ± 0.01) = 2.750V ± 0.0275V
Where VUVTH_EXC is the undervoltage threshold variation
and VOVTH_EXC is the overvoltage threshold variation.
Undervoltage/Overvoltage-Detection Circuit
The open-drain outputs of the MAX16132–MAX16135
can be configured to detect an undervoltage/overvoltage
condition. Figure 2 shows the MAX1632 reset output
deriving the gate of a PFET low to turn on an LED when
there is an overvoltage/undervoltage event on IN.
VUVTH = VINNOM (1 − 10 % ) = 2.5V (1 − 0.1)
= 2.5V − 0.250V = 2.250V
VOVTH = VINNOM (1 + 10 % ) = 2.5V (1 + 0.1)
= 2.5V + 0.250V = 2.750V
Where VINNOM is the selected nominal input voltage, TOL
is the input tolerance, VUVTH is undervotlage threshold
voltage and VOVTH is the overvoltage threshold voltage.
Figure 2. Undervoltage/Overvoltage Detection Circuit with LED
Indicator
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Maxim Integrated │ 19
MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
Power-Supply Bypassing and Grounding
The MAX16132–MAX16135 operate from a 1.71V to 5.5V
supply. An undervoltage lockout ensures that the outputs
are in the correct states when the UVLO is exceeded.
Bypass VDD to ground with a 0.1μF capacitor as close
to the device as possible. Additional capacitor improves
transient immunity. For fast transients with large voltage excursion, a filter resistor in series with the bypass
capacitor is recommended for proper device operation.
See Figure 3 below for more detail.
MAX16134
“*”: Denotes optional filter resistor in series with the input bypass capacitance.
For a transient excursion of 1.71V ≤ VDD ≤ 5.5V a 500Ω is recommended.
Figure 3. Power Supply Bypassing/Input Filter
Typical Operating Circuit
MAX16135
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Maxim Integrated │ 20
MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
Selector Guide
MAX161__ _ _ _+T
SUF
32
33
34
35
# OF
CHAN
SINGLE
DUAL
TRIPLE
QUAD
RESET
TIMEOUT
(MIN)
A
20µs
B
1ms
C
2ms
D
3ms
E
5ms
F
10ms
G
15ms
H
20ms
I
25ms
J
35ms
K
40ms
L
50ms
M
70ms
N
100ms
O
140ms
P
150ms
Q
200ms
R
280ms
S
400ms
T
560ms
U
800ms
V
1120ms
W
1200ms
Single-Input HYS/TOL(TYP)
SUF
IN
HYS(%)/
TOL(%)
A
0.5/4
B
0.25/4
C
0.5/5
D
0.25/5
E
0.5/6
F
0.25/6
G
0.5/7
H
0.25/7
I
0.5/8
J
0.25/8
K
0.5/9
L
0.25/9
M
0.5/10
N
0.25/10
O
0.5/11
P
0.25/11
SUF
05
06
07
08
09
10
11
12
13
04
14
15
16
17
18
19
20
21
22
23
24
25
26
27
Single Nominal Input (Typ)
VIN_NOM
SUF
VIN_NOM
(V)
(V)
0.500
28
2.800
0.600
29
2.900
0.700
30
3.000
0.800
31
3.100
0.900
32
3.200
1.000
33
3.300
1.100
34
3.400
1.200
35
3.500
1.300
36
3.600
1.240
–
–
1.400
37
3.700
1.500
38
3.800
1.600
39
3.900
1.700
40
4.000
1.800
41
4.100
1.900
42
4.200
2.000
43
4.300
2.100
44
4.400
2.200
45
4.500
2.300
46
4.600
2.400
47
4.700
2.500
48
4.800
2.600
49
4.900
2.700
50
5.000
SUF
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A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Dual-Input HYS/TOL(TYP)
IN1
IN2
HYS(%)/
HYS(%)/
TOL(%)
TOL(%)
0.5/4
0.5/4
0.25/4
0.25/4
0.5/5
0.5/5
0.25/5
0.25/5
0.5/6
0.5/6
0.25/6
0.25/6
0.5/7
0.5/7
0.25/7
0.25/7
0.5/8
0.5/8
0.25/8
0.25/8
0.5/9
0.5/9
0.25/9
0.25/9
0.5/10
0.5/10
0.25/10
0.25/10
0.5/11
0.5/11
0.25/11
0.25/11
SUF
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
Dual Nominal Input(Typ)
VIN1_NOMM
VIN2_NOMM
(V)
(V)
5.000
3.300
5.000
1.800
5.000
1.200
5.000
1.00
3.300
1.800
3.300
1.200
3.300
1.000
2.500
1.200
2.500
1.000
1.800
1.500
1.800
1.200
1.800
1.000
1.500
1.200
1.500
1.100
1.2500
1.000
SUF
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
SUF
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
Triple-Input HYS/TOL(TYP)
IN1
IN2
HYS(%)/
HYS(%)/
TOL(%)
TOL(%)
0.5/4
0.5/4
0.25/4
0.25/4
0.5/5
0.5/5
0.25/5
0.25/5
0.5/6
0.5/6
0.25/6
0.25/6
0.5/7
0.5/7
0.25/7
0.25/7
0.5/8
0.5/8
0.25/8
0.25/8
0.5/9
0.5/9
0.25/9
0.25/9
0.5/10
0.5/10
0.25/10
0.25/10
0.5/11
0.5/11
0.25/11
0.25/11
Triple Nominal Input(Typ)
VIN1_NOMM
VIN2_NOMM
(V)
(V)
5.000
3.300
5.000
3.300
5.000
3.300
4.800
3.000
4.800
3.000
4.800
1.800
4.800
1.800
4.500
3.300
4.500
3.300
4.500
3.300
3.300
1.800
3.300
1.800
3.000
1.800
3.000
1.800
2.500
1.800
2.500
1.800
3.300
2.500
IN3
HYS(%)/
TOL(%)
0.5/4
0.25/4
0.5/5
0.25/5
0.5/6
0.25/6
0.5/7
0.25/7
0.5/8
0.25/8
0.5/9
0.25/9
0.5/10
0.25/10
0.5/11
0.25/11
SUF
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
VIN3_NOMM
(V)
1.800
1.200
1.000
1.800
1.200
1.200
1.000
1.800
1.200
1.000
1.200
1.000
1.200
1.000
1.200
1.000
1.160
IN1
HYS(%)/
TOL(%)
0.5/4
0.25/4
0.5/5
0.25/5
0.5/6
0.25/6
0.5/7
0.25/7
0.5/8
0.25/8
0.5/9
0.25/9
0.5/10
0.25/10
0.5/11
0.25/11
0.25/11
0.25/8
SUF
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
Quad-Nominal Input (TYP)
VIN1_NOMM
VIN2_NOMM
VIN3_NOMM
(V)
(V)
(V)
5.000
3.300
2.500
5.000
3.300
1.800
5.000
3.300
1.200
4.800
3.300
1.800
4.800
2.500
1.800
4.800
3.000
1.500
4.500
3.300
2.500
4.500
3.000
1.800
3.300
2.500
1.800
3.300
2.500
1.800
3.300
1.800
1.200
3.000
2.500
1.500
3.000
1.800
1.200
2.500
1.800
1.200
2.300
1.800
1.500
2.300
1.500
1.200
0.820
0.820
0.820
5.000
3.240
1.220
1.800
1.500
1.360
Quad-Input HYS/TOL(TYP)
IN2
IN3
HYS(%)/
HYS(%)/
TOL(%)
TOL(%)
0.5/4
0.5/4
0.25/4
0.25/4
0.5/5
0.5/5
0.25/5
0.25/5
0.5/6
0.5/6
0.25/6
0.25/6
0.5/7
0.5/7
0.25/7
0.25/7
0.5/8
0.5/8
0.25/8
0.25/8
0.5/9
0.5/9
0.25/9
0.25/9
0.5/10
0.5/10
0.25/10
0.25/10
0.5/11
0.5/11
0.25/11
0.25/11
0.25/4
0.5/11
0.25/5
0.25/5
VIN4_NOMM
(V)
1.500
1.200
1.000
1.200
1.200
1.000
1.800
1.200
1.500
1.200
1.000
1.200
1.000
1.000
1.200
1.000
0.820
1.800
1.200
IN4
HYS(%)/
TOL(%)
0.5/4
0.25/4
0.5/5
0.25/5
0.5/6
0.25/6
0.5/7
0.25/7
0.5/8
0.25/8
0.5/9
0.25/9
0.5/10
0.25/10
0.5/11
0.25/11
0.5/4
0.25/4
Maxim Integrated │ 21
MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
Ordering Information
PART NUMBER
TEMP RANGE
PIN-PACKAGE
MAX16132H10B/V+T
-40°C to 125°C
SOT23-8
MAX16132G04D/V+T*
-40°C to 125°C
SOT23-8
MAX16133HPB/V+
-40°C to 125°C
SOT23-8
MAX16133HPB+T
-40°C to 125°C
SOT23-8
MAX16133LFM/V+T
-40°C to 125°C
SOT23-8
MAX16133LFM+T
-40°C to 125°C
SOT23-8
MAX16133BFM+T*
-40°C to 125°C
SOT23-8
MAX16133BFM/V+T*
-40°C to 125°C
SOT23-8
MAX16133HIB/V+T*
-40°C to 125°C
SOT23-8
MAX16134MLG+T
-40°C to 125°C
SOT23-8
MAX16135HRR/V+T*
-40°C to 125°C
SOT23-8
MAX16135HRB/V+T
-40°C to 125°C
SOT23-8
Minimum Order Quantity: 10k
+ Denotes a lead(Pb)-free/RoHS-compliant package.
T Denotes tape-and-reel.
* Future product—Contact factory for details.
Note: See the Selector Guide for Reset Timeout Period, Nominal Input Voltages, and Hysteresis/Tolerance options.
www.maximintegrated.com
Maxim Integrated │ 22
MAX16132–MAX16135
Low-Voltage, Precision, Single/Dual/Triple/
Quad-Voltage μP Supervisors
Revision History
REVISION
NUMBER
REVISION
DATE
PAGES
CHANGED
DESCRIPTION
0
11/16
Initial release
—
1
1/17
Corrected part numbers in Figure 3 and Typical Application Circuit
20
2
2/17
3
6/17
Updated Selector Guide
Updated Electrical Characteristics table, Selector Guide, and Ordering Information
table
4
8/17
Updated Ordering Information table
21
6, 16–18,
21, 22
22
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim Integrated’s website at www.maximintegrated.com.
Maxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product. No circuit patent licenses
are implied. Maxim Integrated reserves the right to change the circuitry and specifications without notice at any time. The parametric values (min and max limits)
shown in the Electrical Characteristics table are guaranteed. Other parametric values quoted in this data sheet are provided for guidance.
Maxim Integrated and the Maxim Integrated logo are trademarks of Maxim Integrated Products, Inc.
© 2017 Maxim Integrated Products, Inc. │ 23
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