Data Sheet
PT7M6101/6102
Ultra Low Voltage Detectors
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Features
•
Low/High Threshold voltage with 90mV/100mV for
PT7M6101 and 190mV/200mV for PT7M6102
Internal Reference (10mV hysteresis)
•
•
•
±5mV
Threshold Voltage Accuracy Over
Temperature
Low Power Consumption: 8µA (typical)
Three Output Configurations
Push-Pull Active Low-- OVRI
Push-Pull Active High--- OVRI
Open-Drain Active Low--- OVRI
•
•
•
Description
PT7M6101/6102 series are designed for over current
detector. They provide excellent circuit reliability and
low cost by eliminating external components. These
devices assert an OVRI signal when the voltage at IN pin
rises above the high threshold. After IN pin declines
below the low threshold, OVRI signal is de-asserted.
PT7M6101CL/6102CL have a push-pull active-low
output. PT7M6101CH/6102CH have a push-pull active-
high output. PT7M6101NL/6102NL have an open-drain
active-low output. The open-drain active-low output
requires a pull-up resistor that can be connected to a
voltage higher than V
DD
.
Low supply current of 8µA makes PT7M6101//6102
series ideal for using in battery power supply. These
devices are available in SC70-4, SOT23-5, TO94 lead
Guaranteed OVRI Valid to Vcc=1.0V
Immune to Short Negative Vcc Transients
SC70-4, SOT23-5 and TO94 Lead free Packages are
available
Ordering Information
Part Number
PT7M610xCLC4
PT7M610xCHC4
PT7M610xNLC4
PT7M610xCLTA
PT7M610xCHTA
PT7M610xNLTA
PT7M610xCLN
PT7M610xCHN
PT7M610xNLN
Package
Lead free SC70-4
Lead free SC70-4
Lead free SC70-4
Lead free SOT23-5
Leas free SOT23-5
Lead free SOT23-5
Lead free TO94
Lead free TO94
Lead free TO94
free packages.
Application
•
•
•
•
Over Current Protection in Battery Charger etc.
Over Temperature Protection
Power Supply
Voltage Monitoring
Note:
1. Suffix “x” shows 1 or 2 with different function. See
Table 1.
Table 1
Function comparison of PT7M6101/6102
Output
Item
1
2
3
Part No.
PT7M6101CL/6102CL
PT7M6101CH/6102CH
PT7M6101NL/6102NL
Open-Drain
Push-Pull
Active high Active low Active high Active low
-
-
-
√
-
-
-
√
-
-
-
√
PT0260 (01/07)
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Ver: 1
Data Sheet
PT7M6101/6102
Ultra Low Voltage Detectors
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Block Diagram
Pad Assignment
Pad Description
Pin Name
GND
OVRI
I/O
GND
O
Description
Ground
Over-current Output, Push-Pull or Open-Drain, Active-Low. OVRI changes from HIGH
to LOW when IN rises above the typical high detection threshold (100mV). OVRI
remains HIGH after IN drops below the low detection threshold (90mV).
Over-current Output, Push-Pull, Active-High. OVRI changes from LOW to HIGH when
IN rises above the typical high detection threshold (100mV). OVRI remains LOW after
IN drops below the low detection threshold (90mV).
Detection Voltage Input. High-impedance input for comparator. Connect this pin to
over-current sampling network. OVRI is asserted when IN is above the high threshold
voltage.
Supply Voltage
OVRI
O
IN
VCC
I
Power
PT0260 (01/07)
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Ver: 1
Data Sheet
PT7M6101/6102
Ultra Low Voltage Detectors
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Functional Description
PT7M6101/6102 series are designed for over current detector. They provide excellent circuit reliability and low cost by
eliminating external components. These devices assert an OVRI signal when the voltage at IN pin rises above the high threshold.
After IN pin declines below the low threshold, OVRI signal is de-asserted.
Maximum Ratings
Storage Temperature………………………………………… - 65
o
C to +150
o
C
Ambient Temperature with Power Applied....................-40oC to +85oC
Supply Voltage to Ground Potential (V
CC
to GND)………... - 0.3 to V
CC
+6.0V
DC Input/Output Current …………………………………………………20mA
Power Dissipation……………………………………………………….245mW
Note:
Stresses greater than those listed under MAXIMUM
RATINGS may cause permanent damage to the
device. This is a stress rating only and functional
operation of the device at these or any other condi-
tions above those indicated in the operational sec-
tions of this specification is not implied. Exposure
to absolute maximum rating conditions for extended
periods may affect reliability.
AC Electrical Characteristics
(V
CC
= +0.9V to +5.5V, unless otherwise noted. Typical values are at T
A
= +25ºC)
Description
Vcc or RESET-IN to Reset Delay
Propagation Delay(D0 only)
t
P
Symbol
Test Conditions
IN rising, step signal from 0V to 1V
IN falling, step signal from 1V to 0V
Min
-
-
Typ
60
40
Max
-
-
Unit
µs
µs
DC Electrical Characteristics
(V
CC
= +0.9V to +5.5V, unless otherwise noted. Typical values are at T
A
= +25ºC)
Description
Sym.
Test Conditions
Operating Voltage Range
Supply Current
V
CC
I
CC
T
A
= -40ºC ~+85ºC
V
CC
=1.2V, no load , reset not asserted
V
CC
=1.8V, no load , reset not asserted
V
CC
=3.6V, no load , reset not asserted
IN Threshold
V
RSTIN
1.3V<=V
CC
<=5.5V, -40ºC ~+85ºC (PT7M6101)
1.3V<=V
CC
<=5.5V, -40ºC ~+85ºC (PT7M6102)
V
CC
>=1.1V, I
source
=50µA, reset not asserted
Push-pull OVRI
Output High Voltage
Push-pull OVRI
Output Low Voltage
Push-pull OVRI
Output Low Voltage
Open-Drain OVRI
Output Low Voltage
Open-Drain OVRI
Output Leakage Current
IN Leakage Current
Reset Threshold Hysteresis
I
LKG
I
RSTIN
V
HYS
V
OL
V
OH
V
CC
>=1.5V, I
source
=150µA, reset not asserted
V
CC
>=1.0V, I
source
=50µA, reset asserted
V
CC
>=1.5V, I
source
=150µA, reset asserted
V
CC
>=1.0V, I
sink
=80µA, reset asserted
V
CC
>=1.5V, I
sink
=200µA, reset asserted
V
CC
>=1.1V, I
sink
=80µA, reset not asserted
V
CC
>=1.5V, I
sink
=200µA, reset not asserted
V
CC
>=1.0V, I
sink
=80µA, reset asserted
V
CC
>=1.5V, I
sink
=200µA, reset asserted
V
CC
> V
TH
, reset not asserted
-
-
Min
0.9
-
-
-
-3.0%
-3.0%
0.8×Vcc
0.8×Vcc
0.8×Vcc
0.8×Vcc
-
-
-
-
-
-
-
-25
-
Typ
-
7.5
9
16
100
200
-
-
-
-
-
-
-
-
-
-
-
-
10
Max
5.5
13
16
25
+3.0%
+3.0%
-
-
-
-
0.2×Vcc
0.2×Vcc
0.2×Vcc
0.2×Vcc
0.15
0.2
1.0
+25
-
V
µA
nA
mV
V
-
µA
Unit
V
PT0260 (01/07)
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Ver: 1
Data Sheet
PT7M6101/6102
Ultra Low Voltage Detectors
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Application Circuit
PT7M6101/6102
R
VCC
IN
VCC
0.1uF
Rs
R pull up
GND
OVRI
PT0260 (01/07)
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Ver: 1
Data Sheet
PT7M6101/6102
Ultra Low Voltage Detectors
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Mechanical Information
C4/C4E (SC70-4)
2.00
2.20
1.30
0.10
0.30
1.15
1.35
2.15
2 45
0.10
0.40
0.15
0.35
Gouge Plane
0.26
0.46
0.08
0.15
0.90
1.00
0.90
1 10
X.XX
X.XX
0.15
0.00
0.10
DENOTES DIMENSIONS
IN MILLIMETERS
Note:
1) Controlling dimensions in millimeters.
2) Dimensions are inclusive of plating
PT0260 (01/07)
5
Ver: 1
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