Click here for production status of specific part numbers.
MAX16140/MAX16142/MAX16144/
MAX16146/MAX16156–MAX16159
General Description
The
MAX16140/MAX16142/MAX16144/MAX16146/
MAX16156/MAX16157/MAX16158/MAX16159 are ultralow-current, single-channel supervisory ICs that monitor
the VCC voltage from 1.7V to 4.85V in approximately
50mV increments and asserts a reset when VCC voltage
falls below the reset threshold. The reset output remains
asserted for the reset timeout period after the VCC
voltage rises above the factory-set VCC_TH + VHYS. See
the Selector Guide for available reset timeout options.
The
MAX16140/MAX16142/MAX16144/MAX16146/
MAX16156/MAX16157/MAX16158/MAX16159 include a
factory-programmable manual reset input (MR) that can
be configured to assert a reset when it receives a
rising-edge, falling-edge, active-low, or active-high input
signal. The MAX16140/MAX16144/MAX16156/MAX16157
feature an open-drain reset output, while the MAX16142/
MAX16146/MAX16158/MAX16159 feature a push-pull
reset output. See the Selector Guide for reset output
configurations.
All devices are specified over the -40°C to +125°C
temperature range. The MAX16140/MAX16142/
MAX16156/MAX16158 available in a tiny 0.73mm
x 0.73mm x 0.5mm, 4-bump WLP. The MAX16144/
MAX16146/MAX16157/MAX16159 are available in 5-pin
SOT23 package.
Applications
●● Chargers
●● Portable/Battery-Powered Equipment
●● e-Readers/Tablets
●● Wearable/Portable Accessories
●● Smart Phones
19-100095; Rev 6; 11/19
nanoPower, Tiny Supervisor
with Manual Reset Input
Benefits and Features
●● 370nA Quiescent Current, Extends Battery Life
●● Edge/Level Trigger MR Input
●● Factory-Set Reset Timeout Period
●● MR Debounce Circuitry
●● Factory-Set Threshold: 1.7V to 4.85V
●● WLP and SOT23 Packages
●● -40°C to +125°C Temperature Range
Ordering Information appears at end of data sheet.
Simplified Block Diagram
1.7V to 5.5V
VCC
VCC
MAX16140/MAX16142
MAX16144/MAX16146
MAX16156/MAX16157
MAX16158/MAX16159
µP
RST
MR
GND
GND
MAX16140/MAX16142/MAX16144/
MAX16146/MAX16156–MAX16159
Absolute Maximum Ratings
VCC to GND.............................................................-0.3V to +6V
MR, RST to GND.....................................................-0.3V to +6V
Continuous Sink/Source Current (All Pins)....... -20mA to +20mA
Continious Power Dissipation (Multilayer Board)
WLP (TA = +70°C, derate 9.58mW/C above +70°C.....766.4mW
Continious Power Dissipation (Multilayer Board) SOT23-5
(TA = +70°C, derate 3.90mW/C above +70°C............312.60mW
nanoPower, Tiny Supervisor
with Manual Reset Input
Operating Temperature Range.......................... -40°C to +125°C
Junction Temperature.......................................................+150°C
Soldering Temperature (reflow)........................................+300°C
Storage Temperature Range............................. -65°C to +150°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
WLP
PACKAGE CODE
N40C0+1
Outline Number
21-100103
Land Pattern Number
Application Note 1891
THERMAL RESISTANCE, FOUR-LAYER BOARD:
Junction to Ambient (θJA)
104.41°C/W
Junction to Case (θJC)
N/A
SOT23
PACKAGE CODE
U5+2
Outline Number
21-0057
Land Pattern Number
90-0174
THERMAL RESISTANCE, MULTI-LAYER BOARD:
Junction to Ambient (θJA)
255.90°C/W
Junction to Case (θJC)
81°C/W
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.
www.maximintegrated.com
Maxim Integrated │ 2
MAX16140/MAX16142/MAX16144/
MAX16146/MAX16156–MAX16159
nanoPower, Tiny Supervisor
with Manual Reset Input
Electrical Characteristics
(VCC = 1.7V to 5.5V, TA = TJ=-40°C to 125°C, unless otherwise noted. Typical Values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
INPUT VOLTAGE
Operating range
1.7
Reset output is guaranteed to be at known
state
1.5
Input Voltage Range
VCC
Supply Current
ICC
TA = -40°C to +85°C, reset not asserted,
VCC = VTH + 10%
VCC Threshold Accuracy
VTH
VCC falling
VCC Threshold Resolution
5.5
V
370
-1.5
1200
nA
+1.5
%
Threshold range = 1.7V to 4.85V
50
mV
VCC Threshold Hysteresis
VTH_HYS
VCC = rising, 1.7V ≤ VCC ≤ 4.85V
36
mV
VCC to Reset Output Delay
tD
Measured with 2.5% threshold overdrive
50
μs
Reset Timeout Period
Accuracy
tRP
Measured from point where VCC is above
VTH (Note 1)
-25
+25
%
RESET OUTPUT VOLTAGE
Reset Output Voltage Low
(Note 2)
VOL
Reset Output Voltage High
VOH
VCC = 4.25V, ISINK = 10mA
0.4
VCC = 2.5V, ISINK = 3.2mA
0.4
VCC = 1.7V, ISINK = 1mA
0.4
VCC = 4.50V, ISOURCE = 800µA
0.8 x VCC
VCC = 2.50V, ISOURCE = 500µA
0.8 x VCC
V
V
MANUAL RESET INPUT
Reset Output Leakage
Current (Open Drain)
Manual Reset Debounce
Period
TA = -40°C to +125°C
MRDB
MR to Reset Delay
MR input configured
as level trigger
1
tRP = 0.01s -2s
20
tRP = 310µs
0.6
MR configured as edge triggered input
MR Input Voltage Low
VIL
MR Input Voltage High
VIH
µA
ms
1.1
μs
0.3 x
VCC
0.7 x
VCC
V
V
MR Internal Pullup Resistor
MR configured as active-low input
50
MR Internal Pulldown
Resistor
MR configured as active-high input
50
kΩ
Note 1. The reset timeout period is affected by the VCC rise time during power-up. For a VCC rise time of 10µs or faster, the
additional tRP is about 8.5ms(typ).
Note 2. The Reset Output Voltage Low spec applies to open-drain and push-pull versions
www.maximintegrated.com
Maxim Integrated │ 3
MAX16140/MAX16142/MAX16144/
MAX16146/MAX16156–MAX16159
nanoPower, Tiny Supervisor
with Manual Reset Input
Typical Operating Characteristics
(VCC = 5V, TA = 25°C, unless otherwise noted)
1000
750
VTH_CC = 2.70V
900
800
650
700
600
600
TA = 125°C
TA = 25°C
500
400
300
O
TA = -40 C
200
100
550
500
450
400
350
2.5
3.5
4.5
250
5.5
-40 -25 -10 5
SUPPLY VOLTAGE(V)
250
RESET OUTPUT VOLTAGE LOW (mV)
RESET OUTPUT VOLTAGE LOW (mV)
VCC = 1.7V
250
150
VCC = 3.3V
VCC =4.25V
100
VCC = 5V
50
0
-40 -25 -10 5
0.995
0.990
20 35 50 65 80 95 110 125
-40 -25 -10 5
20 35 50 65 80 95 110 125
NORMALIZED RESET TIMEOUT PERIOD
vs. TEMPERATURE
TOC05
OPEN-DRAIN VERSION
200
150
VCC = 1.7V
VCC = 3.3V
100
50
VCC = 5V
0
0
2
TEMPERATURE (°C)
4
6
8
10
TOC06
1.5
1.4
1.3
1.2
1.1
1
0.9
0.8
0.7
0.6
0.5
-40 -25 -10 5
SINK CURRENT (mA)
RESET RESPONSE TO MR
(LEVEL-TRIGGER VERSION)
20 35 50 65 80 95 110 125
TEMPERATURE (°C)
VCC TRANSIENT DURATION
vs. THRESHOLD OVERDRIVE
TOC07
TOC08
1000
TA = 25°C
900
2V/div
2V/div
MR
2V/div
TRANSIENT DURATION (µs)
RESET
VCC
20 35 50 65 80 95 110 125
TEMPERATURE (oC)
RESET OUTPUT VOLTAGE LOW
vs. SINK CURRENT
TOC04
ISINK = 10 mA
OPEN-DRAIN VERSION
200
1.000
TEMPERATURE (°C)
RESET OUTPUT VOLTAGE LOW
vs. TEMPERATURE
TOC03
1.005
NORMALIZED RESET TIMEOUT PERIOD ACCURACY
1.5
300
1.010
300
0
350
NORMALIZED RESET THRESHOLD
vs. TEMPERATURE
VTH_CC = 2.70V
700
SUPPLY CURRENT (nA)
SUPPLY CURRENT (nA)
SUPPLY CURRENT
vs. TEMPERATURE
TOC01
NORMALZED RESET THRESHOLD ACCURACY
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
800
700
600
500
400
300
200
100
0
1s/div
www.maximintegrated.com
1
10
100
RESET THRESHOLD OVERDRIVE (mV)
1000
Maxim Integrated │ 4
MAX16140/MAX16142/MAX16144/
MAX16146/MAX16156–MAX16159
nanoPower, Tiny Supervisor
with Manual Reset Input
Bump/Pin Configuration
TOP VIEW
1
2
TOP VIEW
RST
1
GND
2
MR
3
5
VCC
A
VCC
RST
MAX161 44
MAX161 46
MAX161 57
MAX161 59
MAX16140
MAX16142
MAX16156
MAX16158
4
GND
B
MR
SOT23
GND
WLP
Bump/Pin Descriptions
PIN
NAME
FUNCTION
SOT23
WLP
1
A1
RST
Reset Output. Reset asserts when VCC drops below factory set threshold or when MR receives
either an edge-triggered or level-triggered signal. For the open-drain version, the MAX16140,
connect a pullup resistor for active-low option and a pulldown resistor for active-high option.
5
A2
VCC
Positive Supply Input Voltage. Connect VCC to the positive side of the input voltage. Bypass VCC
with a 0.1µF ceramic capacitor to GND.
3
B1
MR
Manual Reset Input. See Manual Reset Input for more details.
4
B2
GND
Ground
2
—
N.C.
No Connect. Not internally connected.
www.maximintegrated.com
Maxim Integrated │ 5
MAX16140/MAX16142/MAX16144/
MAX16146/MAX16156–MAX16159
nanoPower, Tiny Supervisor
with Manual Reset Input
Functional Diagrams
MR
V CC
OSC
POR
DELAY
COUNTERS
BANDGAP
AND
COMPARATOR
MAX16140/MAX16142
MAX16144/MAX16146
MAX16156/MAX16157
MAX16158/MAX16159
DRIVER
RST
MR TRIGGER
CTRL
GND
Detailed Description
The
MAX16140/MAX16142/MAX16144/MAX16146/
MAX16156/MAX16157/MAX16158/MAX16159 are 370nA
supervisor ICs that monitors the VCC voltage from 1.7V
to 4.85V in approximately 50mV increments. The manual
reset input is factory-programmable to assert the reset
output using an edge-trigger or level-trigger input. During
normal operation when the VCC voltage falls below the
factory-set threshold, the reset output asserts and remains
asserted for the reset timeout period after the VCC
voltage rises above the threshold voltage. The MAX16140/
MAX16144/MAX16156/MAX16157 feature an opendrain reset output, while the MAX16142/MAX16146/
MAX16158/MAX16159 feature a push-pull reset
output. See Table 1 for more detail.
For the edge-triggered manual reset input configuration,
the
MAX16140/MAX16142/MAX16144/MAX16146/
MAX16156/MAX16157/MAX16158/MAX16159 assert the
reset output on either the falling or rising of the MR input
(see the Selector Guide table for MR configurations. Any
subsequent transition on MR is ignored until after the
expiration of the reset timeout period. See Figure 1 and
Figure 2 for more detail.
For the level-trigger manual reset input configuration,
the
MAX16140/MAX16142/MAX16144/MAX16146/
MAX16156/MAX16157/MAX16158/MAX16159 assert the
reset output after MR stays in active state longer than the
debounce period (tDB). The reset output deassert after
the reset timeout period when MR becomes inactive. See
Figure 3 and Figure 4 for more detail.
Manual Reset Input
Many μP-based products require manual reset capability,
allowing the operator, a test technician, or external logic
circuit to initiate a reset. The MAX16140/MAX16142/
MAX16144/MAX16146/MAX16156/MAX16157/
MAX16158/MAX16159 feature four factory-programmable
manual reset input configurations. See Table 2 for
available options.
www.maximintegrated.com
Maxim Integrated │ 6
MAX16140/MAX16142/MAX16144/
MAX16146/MAX16156–MAX16159
nanoPower, Tiny Supervisor
with Manual Reset Input
Manual Reset Input Configurations
tDELAY ≤ 100µs
MR
RST
tRP
Figure 1. Falling-Edge Trigger Manual Reset Input
tDELAY ≤ 100µs
MR
RST
tRP
Figure 2. Rising-Edge Trigger Manual Reset Input
tDB
MR
RST
tRP
Figure 3. Active-High Trigger Manual Reset Input
www.maximintegrated.com
Maxim Integrated │ 7
MAX16140/MAX16142/MAX16144/
MAX16146/MAX16156–MAX16159
nanoPower, Tiny Supervisor
with Manual Reset Input
tDB
MR
RST
tRP
Figure 4. Active-Low Trigger Manual Reset Input
tRP
VCC
VTH
VTH+HYS
RST
Figure 5. Reset Response to VCC Rising-Edge Above Threshold Voltage + Hysteresis
VCC Threshold Input
The
MAX16140/MAX16142/MAX16144/MAX16146/
MAX16156/MAX16157/MAX16158/MAX16159
monitor VCC from 1.7V to 4.85V in approximately 50mV
increments. The reset output asserts when VCC falls
below VTH. See Table 3 for threshold options.
The reset output stays asserted for the reset timeout
period when VCC rises above VTH + VHYST. See the timing
diagram in Figure 5.
www.maximintegrated.com
Reset Output
The
MAX16140/MAX16142/MAX16144/MAX16146/
MAX16156/MAX16157/MAX16158/MAX16159
µP
supervisor circuits assert a reset to prevent code execution
error during power-up, power-down, and brownout conditions.
For active-low reset output configuration, the reset
output is guaranteed to be valid for VCC down to 1.1V. For
active-high reset output configuration, the reset output is
guaranteed to be valid for VCC down 1.5V.
The
MAX16140/MAX16142/MAX16144/MAX16146/
MAX16156/MAX16157/MAX16158/MAX16159 offer eight
factory-programmable reset timeout period option from 0
to 2s. See Table 4 for available options.
Maxim Integrated │ 8
MAX16140/MAX16142/MAX16144/
MAX16146/MAX16156–MAX16159
Applications Information
Power Supply Bypassing and Grounding
nanoPower, Tiny Supervisor
with Manual Reset Input
Table 3. VCC Threshold Options
SUFFIX
170
175
180
185
190
195
200
205
210
215
220
225
230
235
240
245
250
255
260
265
270
275
280
285
290
295
300
305
310
315
320
325
The
MAX16140/MAX16142/MAX16144/MAX16146/
MAX16156/MAX16157/MAX16158/MAX16159 operate from
a 1.70V to 5.5V supply. An undervoltage lockout ensures
that the outputs are in the correct states when the UVLO is
exceeded. Bypass VCC to ground with a 0.1μF capacitor
as close to the device as possible. The additional capacitor
improves transient immunity. For fast rising VCC transients,
additional capacitance may be required.
Configuration Tables
Table 1. Factory-Set Reset Output
Configuration Options
SUFFIX
RESET OUTPUT CONFIG.
M
Active-Low
N
Active-High
Minimum order quantity of 10k required. Contact factory for
available options.
Table 2. Factory-Set Manual Trigger Input
Options
SUFFIX
MR TRIGGER INPUT
I
Falling Edge
J
Rising Edge
K
Active-Low
L
Active-High
Minimum order quantity of 10k required. Contact factory for
available options.
V TH_CC (V)
SUFFIX
1.70
1.75
1.80
1.85
1.90
1.95
2.00
2.05
2.10
2.15
2.20
2.25
2.30
2.35
2.40
2.45
2.50
2.55
2.60
2.65
2.70
2.75
2.80
2.85
2.90
2.95
3.00
3.05
3.10
3.15
3.20
3.25
330
335
340
345
350
355
360
365
370
375
380
385
390
395
400
405
410
415
420
425
430
435
440
445
450
455
460
465
470
475
480
485
V TH_CC (V)
3.30
3.35
3.40
3.45
3.50
3.55
3.60
3.65
3.70
3.75
3.80
3.85
3.90
3.95
4.00
4.05
4.10
4.15
4.20
4.25
4.30
4.35
4.40
4.45
4.50
4.55
4.60
4.65
4.70
4.75
4.80
4.85
Table 4. Reset Timeout Period Options
RESET TIMEOUT PERIOD
SUFFIX T A = +25°C
T A = -40°C TO +125°C
UNITS
TYP
MIN
MAX
A
0.31
0.24
0.24
μs
B
10
7.5
12.5
ms
C
50
35.5
62.5
ms
D
100
75
125
ms
E
250
187.5
312.5
ms
F
500
475
625
ms
G
1000
750
1250
ms
H
2000
1500
2500
ms
Minimum order quantity of 10k required. Contact factory for
available options.
www.maximintegrated.com
Maxim Integrated │ 9
MAX16140/MAX16142/MAX16144/
MAX16146/MAX16156–MAX16159
nanoPower, Tiny Supervisor
with Manual Reset Input
Selector Guide
MAX161_ _ _ _ _ +T
RESET PACKAGE
SUFFIX OUTPUT
40
42
56
58
44
46
57
59
OD
PP
OD
PP
OD
PP
OD
PP
WLP
SOT23
SUFFIX
A
B
C
D
E
F
G
H
SUFFIX
170
175
180
185
190
195
200
205
210
215
220
225
230
235
240
245
250
255
260
265
270
275
280
285
290
295
300
305
310
315
320
325
www.maximintegrated.com
RESET TIMEOUT
(MIN)
217µs
10ms
50ms
100ms
250ms
500ms
1000ms
2000ms
VTH_CC (V)
1.70
1.75
1.80
1.85
1.90
1.95
2.00
2.05
2.10
2.15
2.20
2.25
2.30
2.35
2.40
2.45
2.50
2.55
2.60
2.65
2.70
2.75
2.80
2.85
2.90
2.95
3.00
3.05
3.10
3.15
3.20
3.20
SUFFIX
I
J
K
L
SUFFIX
330
335
340
345
350
355
360
365
370
375
380
385
390
395
400
405
410
415
420
425
430
435
440
445
450
455
460
465
470
475
480
485
MR INPUT
CONFIGURATION OPTIONS
FALLING EDGE-TRIGGER
RISING EDGE-TRIGGER
ACTIVE-LOW TRIGGER
ACTIVE-HIGH TRIGGER
RESET OUTPUT
SUFFIX POLARITY OPTIONS
M
ACTIVE-LOW
N
ACTIVE-HIGH
PART
NUMBER
MAX16140
MAX16142
MAX16144
MAX16146
MAX16156
MAX16157
MAX16158
MAX16159
VTH_CC (V)
3.30
3.35
3.40
3.45
3.50
3.55
3.60
3.65
3.70
3.75
3.80
3.85
3.90
3.95
4.00
4.05
4.10
4.15
4.20
4.25
4.30
4.35
4.40
4.45
4.50
4.55
4.60
4.65
4.70
4.75
4.80
4.85
Maxim Integrated │ 10
MAX16140/MAX16142/MAX16144/
MAX16146/MAX16156–MAX16159
nanoPower, Tiny Supervisor
with Manual Reset Input
Typical Application Circuit
1.7V TO 5.5V
VCC
VCC
0.1µF
RPU
MAX16140
RST
µP
MR
GND
GND
Ordering Information
PART NUMBER
TEMP RANGE
PIN-PACKAGE
MAX16140B220KM+T
-40°C to +125°C
4-BUMP WLP
MAX16140D220JM+T
-40°C to +125°C
4-BUMP WLP
MAX16140D220LM+T
-40°C to +125°C
4-BUMP WLP
MAX16142B180KM+T
-40°C to +125°C
4-BUMP WLP
MAX16144_ _ _ _ _+T*
-40°C to +125°C
5-PIN SOT23
MAX16146_ _ _ _ _+T*
-40°C to +125°C
5-PIN SOT23
MAX16156_ _ _ _ _+T*
-40°C to +125°C
4-BUMP WLP
MAX16157_ _ _ _ _+T*
-40°C to +125°C
5-PIN SOT23
MAX16158F400KN+T
-40°C to +125°C
4-BUMP WLP
MAX16159_ _ _ _ _+T*
-40°C to +125°C
5-PIN SOT23
Minimum Order Quantity: 5k
+ Denotes a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
*Future product—contact factory for availability.
www.maximintegrated.com
Maxim Integrated │ 11
MAX16140/MAX16142/MAX16144/
MAX16146/MAX16156–MAX16159
nanoPower, Tiny Supervisor
with Manual Reset Input
Revision History
REVISION
NUMBER
REVISION
DATE
PAGES
CHANGED
DESCRIPTION
0
6/17
Initial release
—
1
10/17
Updated Selector Guide
10
2
11/17
Corrected typo in Typical Operating Characteristics section
4
2.1
4/18
Updated Outline Number link
3
11/18
Added MAX16142 to data sheet
4
2/19
Add MAX16140D220JM+T to Ordering Information
5
10/19
Added MAX16144/MAX16146/MAX16156/MAX16157/MAX16158/MAX16159 part
numbers and associated information
6
11/19
Updated General Description, Package Information, Detailed Description,
VCC Threshold Input, and Ordering Information
2
1–12
11
1–12
1, 2, 6, 11
For pricing, delivery, and ordering information, please visit Maxim Integrated’s online storefront at https://www.maximintegrated.com/en/storefront/storefront.html.
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.
© 2019 Maxim Integrated Products, Inc. │ 12
工商网监
湘ICP备2023018690号
