Microchip MCP9509H-E/CH Resistor-programmable temperature switch Datasheet

MCP9509/10
Resistor-Programmable Temperature Switches
Features
Description
•
•
•
•
Microchip Technology’s MCP9509/10 devices are programmable logic output temperature switches. The
temperature switch threshold can be programmed with
a single external resistor, which provides high design
flexibility and simplicity. In addition, this family of
devices provide user programmable features such as
2°C and 10°C (typical) switch hysteresis and output
structure configuration. The MCP9509 provides an
open drain output, whereas the MCP9510 is offered in
three different user selectable output configurations:
Active-low/Active-high push pull and Active-Low
Open-Drain output with an internal 100 kΩ pull-up
resistor.
Resistor-Programmable Temperature Switch
Wide Operating Voltage Range: 2.7V to 5.5V
Low Supply Current: 30 µA (typical)
Temperature Switch Accuracy:
- ±0.5°C (typical) at +25°C, +45°C
- ±1°C (typical) 0°C to +70°C
- ±3.5°C (maximum) 0°C to +125°C
- ±4.5°C (maximum) -20°C to +125°C
- ±2°C (typical) -40°C to +125°C
• Sensor Options available:
- Switch for rising temperature: Cold to Hot (H)
- Switch for falling temperature: Hot to Cold (C)
• Output Configurations:
- Open-Drain:
– External Pull-up Resistor: MCP9509
– Internal Pull-up Resistor: MCP9510
The MCP9509/10 operate from 2.7V to 5.5V. This
family is capable of triggering for temperatures -40°C to
+125°C with high accuracy.
Package Types
- Active-Low, Push-Pull: MCP9510
- Active-High, Push-Pull: MCP9510
• User Selectable Hysteresis: 2°C or 10°C (typical)
• Space-Saving SOT-23-5, SOT-23-6 Packages
MCP9509
SOT-23-5
SET 1
5 VDD
GND 2
Applications
•
•
•
•
•
•
4 HYST
OUT 3
MCP9510
SOT-23-6
Power Supply Thermal Shutdown
Temperature Alarm
Thermostat Control
Fan Control
Base-Stations
Automotive
SET 1
GND 2
OUT / OUT 3
6 VDD
5 OUTSET
4 HYST
Typical Performance
20%
TA = +45°C
VDD = 4.1V
9087 Units
6 Lots
Occurrences
16%
12%
8%
4%
3.0
2.0
1.0
0.0
-1.0
-2.0
-3.0
0%
Temperature Accuracy (°C)
© 2008 Microchip Technology Inc.
DS22114A-page 1
MCP9509/10
NOTES:
DS22114A-page 2
© 2008 Microchip Technology Inc.
MCP9509/10
1.0
ELECTRICAL
CHARACTERISTICS
†Notice: Stresses above 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
those or any other conditions above those indicated in the
operational listings of this specification is not implied.
Exposure to maximum rating conditions for extended periods
may affect device reliability.
Absolute Maximum Ratings †
VDD.................................................................................. 6.0V
Voltage at all Input/Output pins ............... GND – 0.3V to 6.0V
Input/Output Current .....................................................20 mA
Storage temperature .....................................-65°C to +150°C
Ambient temp. with power applied ................-40°C to +125°C
Junction Temperature (TJ) .......................................... +150°C
ESD protection on all pins (HBM:MM) ................. (4 kV/400V)
Latch-Up Current at each pin (25°C) ....................... ±200 mA
DC CHARACTERISTICS
Electrical Specifications: Unless otherwise indicated, VDD = 2.7V to 5.5V, TA = -40°C to +125°C, and
GND = Ground.
Parameters
Sym
Min
Typ
Max
Unit
TACY
—
±0.5
—
°C
±1
+3.5
°C
Conditions
Sensor Accuracy
TA = +25°C, +45°C
0°C ≤ TA ≤ +125°C
-3.5
-20°C ≤ TA ≤ +125°C
-4.5
±1
+4.5
°C
-40°C ≤ TA ≤ +125°C
—
±2
—
°C
Note 1
Power Supply
Operating Voltage
VDD
2.7
—
5.5
V
Operating Current (MCP9509)
IDD
—
30
50
µA
Operating Current (MCP9510)
IDD
—
50
80
µA
OUTSET = GND or VDD
—
100
165
µA
OUTSET = Unconnected
—
+2
—
°C
HYST = GND
—
+10
—
°C
HYST = VDD
VIH
VDD - 0.4
—
—
V
Input (HYST) Thresholds
VIL
—
—
0.4
V
Hysteresis Input (HYST) Leakage
ILeak
—
1
—
µA
GND
—
0.2VDD
V
Open-Drain with ROUT, Active
Low
0.45VDD
—
0.7VDD
V
Push-Pull, Active High
0.85VDD
—
VDD
V
—
10
—
µA
GND ≤ VOSET ≤ 0.2VDD
—
0
—
µA
Unconnected (i.e. open)
—
7
—
µA
0.4VDD ≤ VOSET ≤ 0.7VDD
—
-10
—
µA
0.85 ≤ VOSET ≤ VDD
—
500
—
kΩ
Hysteresis
Trip Point Hysteresis
Hysteresis Select:
THYST
MCP9510 Output Control Input (OUTSET Input)
OUTSET Input Voltage Threshold and Output Configuration
Push-Pull, Active Low
VOSET
or OUTSET Unconnected
OUTSET Input Leakage and Output Configuration
Push-Pull, Active Low
ILeak
Open-Drain, Active Low
Push-Pull, Active High
OUTSET Input Impedance
Note 1:
ZOUTSET
This specification is tested at mid supply of 4.1V for optimum operation across the supply voltage range of
2.7V to 5.5V.
© 2008 Microchip Technology Inc.
DS22114A-page 3
MCP9509/10
DC CHARACTERISTICS (CONTINUED)
Electrical Specifications: Unless otherwise indicated, VDD = 2.7V to 5.5V, TA = -40°C to +125°C, and
GND = Ground.
Parameters
Sym
Min
Typ
Max
Unit
Conditions
Output Voltage High, MCP9510
VOH
VDD - 0.55
—
VDD
V
Output Voltage Low, MCP9510
VOL
GND
—
0.3
V
IOUT = 5 mA
OUTSET = VDD or GND
IOUT = 5 mA
Outputs (OUT, OUT)
Output Voltage Low, MCP9509
VOL
GND
—
0.3
V
Internal Output Pull-up (MCP9510)
ROUT
60
100
140
kΩ
OUTSET Unconnected
Open-Drain Output Leakage
ILeak
—
1
—
µA
MCP9509/10
Power Supply Rejection
PSR
—
0.05
—
°C/V
tRES
—
1.7
—
s
Thermal Response
SOT23-5, SOT23-6
Note 1:
Time to 63% (88°C).
+25°C (Air) to +125°C
(oil bath)
This specification is tested at mid supply of 4.1V for optimum operation across the supply voltage range of
2.7V to 5.5V.
TEMPERATURE CHARACTERISTICS
Electrical Specifications: Unless otherwise indicated, VDD = 2.7V to 5.5V, TA = -40°C to +125°C, and
GND = Ground.
Parameters
Sym
Min
Typ
Max
Units
Specified Temperature Range
TA
-40
—
+125
°C
Operating Temperature Range
TA
-40
—
+125
°C
Storage Temperature Range
TA
-65
—
+150
°C
Thermal Resistance, 5L-SOT23
θJA
—
220.7
—
°C/Ω
Thermal Resistance, 6L-SOT23
θJA
—
190.5
—
°C/Ω
Conditions
Temperature Ranges
(Note 1)
Thermal Package Resistances
Note 1:
Operation in this range must not cause TJ to exceed Maximum Junction Temperature (+150°C).
DS22114A-page 4
© 2008 Microchip Technology Inc.
MCP9509/10
2.0
TYPICAL PERFORMANCE CURVES
Note:
The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein
are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
5.0
50
2.5
Supply Current, IDD (µA)
Temperature Accuracy (°C)
Note: Unless otherwise indicated, VDD = 2.7V to 5.5V, TA = -40°C to +125°C, GND = Ground, RPULL-UP = 10 kΩ
(MCP9509 only) and 0.1 µf bypass capacitor.
+σ
Average
-σ
Spec. Limit
0.0
MCP9509C
MCP9509H
MCP9510C
MCP9510H
-2.5
-5.0
MCP9509C
MCP9509H
45
40
VDD = 5.5V
VDD = 4.1V
VDD = 2.7V
35
30
25
20
15
10
-40
-20
0
20
40
60
80
100
120
-40
-20
0
Temperature (°C)
FIGURE 2-1:
4.0
Hysteresis (kΩ)
Hysteresis (°C)
3.0
2.0
2.0
1.0
1.0
0.0
0.0
-40 -20
0
20
40
60
Supply Current, IDD (µA)
4.0
3.0
50
5.0
HYST = GND
25
VDD = 5.5V
VDD = 4.1V
VDD = 2.7V
20
15
-20
0
8.0
7.0
7.0
6.0
5.0
5.0
FIGURE 2-3:
Temperature.
80 100 120
Output Hysteresis vs.
© 2008 Microchip Technology Inc.
60
80
100
50
I DD (µA), De-Asserted
Hysteresis (°C)
11.0
40 60
TA (°C)
40
120
110
MCP9510C
MCP9510H
VDD = 4.0V
45
40
De-Asserted
105
100
35
95
30
Asserted,
Internal Pull-Up Current
25
20
90
85
80
OUTSET = Open
OUT = Open-Drain Output with Internal Pull-
15
10
-40
-20
0
20
40
60
80
IDD (µA), Asserted
9.0
20
20
FIGURE 2-5:
Supply Current vs.
Temperature OUTSET = VDD, VSS (MCP9510).
Hysteresis (kΩ)
13.0
0
OUTSET = VDD, VSS
Temperature (°C)
10.0
-40 -20
120
30
-40
Output Hysteresis vs.
Hysteresis (kΩ)
Hysteresis (°C)
100
35
10
HYST = VDD
9.0
80
40
80 100 120
15.0
60
MCP9510C
MCP9510H
45
Temperature (°C)
FIGURE 2-2:
Temperature.
40
FIGURE 2-4:
Supply Current vs.
Temperature (MCP9509).
Temperature Accuracy.
Hysteresis (kΩ)
Hysteresis (°C)
5.0
20
Temperature (°C)
75
70
100 120
Temperature (°C)
FIGURE 2-6:
Supply Current vs.
Temperature OUTSET = Unconnected, Open
(MCP9510).
DS22114A-page 5
MCP9509/10
Note: Unless otherwise indicated, VDD = 2.7V to 5.5V, TA = -40°C to +125°C, GND = Ground, RPULL-UP = 10 kΩ
(MCP9509 only) and 0.1 µf bypass capacitor.
16%
12%
Temperature Accuracy (°C)
20%
Temperature Accuracy (°C)
20%
Temperature Accuracy (°C)
FIGURE 2-9:
Temperature Accuracy
Histogram at +125°C.
6.0
5.0
4.0
3.0
2.0
1.0
0.0
-1.0
-2.0
-3.0
-6.0
3.0
2.0
0%
1.0
0%
0.0
4%
-4.0
8%
4%
-1.0
3.0
12%
-5.0
Occurrences
8%
-2.0
TA = -40°C
VDD = 4.1V
9412 Units
6 Lots
16%
12%
-3.0
Occurrences
FIGURE 2-11:
Temperature Accuracy
Histogram at -20°C.
TA = +125°C
VDD = 4.1V
9083 Units
6 Lots
DS22114A-page 6
1.0
Temperature Accuracy (°C)
FIGURE 2-8:
Temperature Accuracy
Histogram at +70°C.
16%
0.0
-2.0
-3.0
3.0
2.0
1.0
0.0
0%
-1.0
0%
-2.0
4%
2.0
8%
4%
20%
3.0
12%
-1.0
Occurrences
8%
Temperature Accuracy
TA = -20°C
VDD = 4.1V
8304 Units
6 Lots
16%
12%
-3.0
Occurrences
FIGURE 2-10:
Histogram at 0°C.
TA = +70°C
VDD = 4.1V
9280 Units
6 Lots
16%
1.0
Temperature Accuracy (°C)
FIGURE 2-7:
Temperature Accuracy
Histogram at +45°C.
20%
0.0
-3.0
3.0
2.0
0%
1.0
0%
0.0
4%
-1.0
4%
2.0
8%
-1.0
8%
-2.0
TA = 0°C
VDD = 4.1V
8936 Units
6 Lots
-2.0
12%
-3.0
Occurrences
16%
20%
TA = +45°C
VDD = 4.1V
9087 Units
6 Lots
Occurrences
20%
Temperature Accuracy (°C)
FIGURE 2-12:
Temperature Accuracy
Histogram at -40°C.
© 2008 Microchip Technology Inc.
MCP9509/10
Note: Unless otherwise indicated, VDD = 2.7V to 5.5V, TA = -40°C to +125°C, GND = Ground, RPULL-UP = 10 kΩ
(MCP9509 only) and 0.1 µf bypass capacitor.
1
0.75
0.5
Hysteresis Input Leakage
0.25
0
Output Leakage (µA)
Leakage (µA)
1
MCP9509 Output Leakage
0.75
0.5
VDD = 5.5V
VDD = 2.7V
0.25
0
-40
-20
0
20
40
60
80
100
120
-40
-20
Temperature (°C)
FIGURE 2-13:
vs, Temperature.
Hysteresis Input Leakage
© 2008 Microchip Technology Inc.
0
20
40
60
80
100
120
Temperature (°C)
FIGURE 2-14:
Temperature.
Output Leakage vs.
DS22114A-page 7
MCP9509/10
NOTES:
DS22114A-page 8
© 2008 Microchip Technology Inc.
MCP9509/10
3.0
PIN DESCRIPTIONS
TABLE 3-1:
PIN FUNCTION TABLE
MCP9509
MCP9510
SOT-23-5
SOT-23-6
3.1
Symbol
Description
1
1
SET
External Trip Temperature Resistor (RSET) input
2
2
GND
Ground
3
—
OUT
Open-drain output
—
3
OUT,
OUT
Selectable Output pin,
function set by OUTSET pin
4
4
HYS
Hysteresis Input
HYS = GND, hysteresis is 2°C
HYS = VDD, hysteresis is 10°C
5
6
VDD
Power pin
—
5
OUTSET Output Control
OUTSET = GND, Active-Low, Push-Pull
OUTSET = VDD, Active-High, Push-Pull
OUTSET = Unconnected, Active-Low, Open-Drain with an internal pull-up
External Resistor Input (SET)
This pin is used to connect a resistor between the SET
and GND pins to select the temperature trip point
(TSET). The resistor value can be determined either
from Equation 4-2 or the lookup table shown in
Table 4-2.
3.2
Ground (GND)
The GND pin is the system ground pin.
3.3
Hysteresis Input (HYS)
This is an input pin which can be connected to VDD or
GND to select output hysteresis. Either 2°C
(HYS = GND) or 10°C (HYS = VDD) of hysteresis can
be selected.
3.4
Power Pin (VDD)
The operating voltage range, as specified in the DC
electrical specification table, is applied on this pin.
3.5
Open-Drain Output (OUT)
(MCP9509)
This output is triggered when temperature exceeds the
programmed trip temperature. This pin requires a
pull-up resistor.
3.6
Selectable Output (OUT, OUT)
(MCP9510)
The output pin can be configured as either a Push-Pull
Active-High, Push-Pull Active-Low, or an Open-drain
Output with an internal pull-up resistor. The three
output options of the MCP9510 are selected by the
OUTSET pin.
3.7
Output Control (OUTSET)
(MCP9510)
The OUTSET pin is used to select the desired
configuration of the OUT or OUT pin.
TABLE 3-1:
OUTSET SELECTABLE
OUTPUTS
OUTSET Pin
© 2008 Microchip Technology Inc.
OUT / OUT Pin
GND
Push-Pull, Active-Low
VDD
Push-Pull, Active-High
unconnected
(i.e. open)
Open-Drain output with an
internal pull-up resistor of
100 kΩ (typical)
DS22114A-page 9
MCP9509/10
NOTES:
DS22114A-page 10
© 2008 Microchip Technology Inc.
MCP9509/10
4.0
FUNCTIONAL DESCRIPTION
The MCP9509/10 integrates a temperature switch with
a user programmable threshold. The temperature
switch threshold or alert limit is programmed using an
external resistor RSET. A logic signal is asserted when
the die temperature crosses the programmed alert
limit. The MCP9509 has an Open-Drain output which
requires an external pull-up resistor for operation. The
MCP9510 output can be configured to three user
selectable output configurations. The OUTSET pin is
used to select Active-Low Push-Pull, Active-Low
Open-Drain (with internal 100 kΩ pull-up resistor),
Active-High Push-Pull output configurations. In addition, this device provides user selectable hysteresis of
2°C and 10°C (typical).
4.1
R1
RA
The SET input pin is used to connect an external
resistor RSET. The resistor sets the alert threshold. The
SET pin outputs a constant current ISET (~5 µA) to bias
RSET (Shown in Figure 4-1). The voltage across RSET,
VSET, is compared to an internal thermal diode.
Rx
+
OUT/
OUT
-
Thermal
Diode
RSET
FIGURE 4-1:
SET input.
When the thermal diode voltage exceeds VSET, the
sensor output asserts. The assert polarity is
determined by the state of the OUTSET pin.
+
RA
R3
MCP9510 OUTSET Input
The OUTSET pin input impedance ZOUTSET is set by
the internal resistance RA = 1 MΩ (typical). The input
structure is a voltage divider network from VDD.
Therefore, the leakage current on the OUTSET pin is a
function of change in VDD and the VOSET.
HYST Input Pin (Hysteresis Select)
The MCP9509/10 family has a user selectable
hysteresis input pin HYST. Hysteresis can be externally
selected to either 2°C (HYST = GND) or 10°C
(HYST = VDD). Figure 4-3 shows graphical description
of change in hysteresis.
For example, if the alert temperature threshold is set to
TSET = 100°C (RSET = 16.1 kΩ) with an Active-Low output configuration, the output asserts Low when temperature exceeds 100°C ± TACY. The output remains
asserted Low until temperautre falls below THYST, 98°C
(HYST = GND) or 90°C (HYST = VDD).
10°C Typical Hysteresis
V
2°C Typical
Hysteresis
MCP9510 OUTSET Input Pin
This pin is used to select the device output configuration. This feature enables in-circuit device output configuration by driving this pin with a microcontroller I/O
pin to Output-HIGH, Output-LOW, or High-Impedance
input. Figure 4-4 shows the configuration and output
conditions.
The input structure of this pin consists of a resistor ladder and comparators to determine OUTSET level
threshold. Figure 4-2 shows the circuit configuration.
The OUTSET input resistance must be carefully
considered for leakage current when connecting voltage source to change output configuration.
© 2008 Microchip Technology Inc.
OUT
4.2
-
R2
OUTSET
Pin
4.3
ISET
SET
+
FIGURE 4-2:
Structure.
SET Input Pin
VSET
VDD
MCP9510
THYST
TSET
Cold
Hot
Temperature
FIGURE 4-3:
Output Hysteresis.
DS22114A-page 11
MCP9509/10
4.4
Sensor Hot/Cold Options
EQUATION 4-1:
MCP9509/10 is available with Hot (H) and Cold (C)
options. The MCP9509/10 Hot option detects rising
temperature while the Cold option detects falling temperature. The output of the Hot option asserts when
temperature rises above TSET and de-asserts when
temperature falls below THYST. The output of the Cold
option asserts when temperature falls below TSET and
de-asserts when temperature rises above THYST.
For example, if TSET = 100°C for Hot option
(Active-Low Configuration, HYST = VDD), output
asserts Low when temperature is greater than
100°C ± TACY. The output de-asserts High when
temperature is below 90°C. For the Cold option, output
asserts Low when temperature is less than
100°C ± TACY, and de-asserts when temperature is
greater than 110°C. This operation is shown graphically
in Figure 4-4.
4.5
The relation between the user selectable external
resistor RSET and the output trigger threshold limit TSET
is described as shown in EQUATION 4-1: “TSET to
Rset conversion” and EQUATION 4-2: “RSET to Tset
conversion”. The equation coeffcients vary depending
on the device output options, H or C. Table 4-1 shows
the corresponding coefficients.
COEFFICIENTS/VARIABLES
Coef.
MCP9509/10H
MCP9509/10C
Units
CR1
-9.84
-10.00
10-6kΩ/°C3
CR2
3.355
3.345
10-3kΩ/°C2
CR3
-0.8648
-0.8610
kΩ/°C
CT1
-20.00
-19.7
10-6°C/kΩ3
CT2
4.136
4.179
10-3°C/kΩ2
CT3
-1.1564
-1.1617
°C/kΩ
R1
94.1
95.1
kΩ
R2
145.5
146.3
kΩ
R3
2.77
4.25
kΩ
T1
-40.0
°C
T2
125.0
°C
DS22114A-page 12
R SET = C R1 T SET ( T SET – T 1 ) ( T SET – T 2 ) +
C R2 ( T SET – T 1 ) ( T SET – T 2 ) +
C R3 ( T SET – T 1 ) + R 2
Where:
CR1,2,3
=
1st, 2nd and 3rd order
Temperature to Resistance
Conversion Coefficients
(Table 4-1)
R2
=
Resistance (Table 4-1)
T1,2
=
Temperature (Table 4-1)
EQUATION 4-2:
RSET TO TSET
CONVERSION
T SET = C T1 ( R SET – R 1 ) ( R SET – R 2 ) ( R SET – R 3 ) +
RSET vs. Temperature
TABLE 4-1:
TSET TO RSET
CONVERSION
C T2 ( R SET – R 3 ) ( R SET – R 2 ) +
C T3 ( R SET – R 2 ) + T 1
Where:
CC1,2,3
=
1st, 2nd and 3rd order
Resistance to Temperature
Conversion Coefficients
(Table 4-1)
R1,2,3
=
Resistance (Table 4-1)
T1
=
Temperature (Table 4-1)
The equations can be used to determine the external
resistance value for a specified temperature threshold
or threshold value for a specified resistance. Table 4-2
and Table 4-3 show a look-up table which can be used
to easily identify the TSET to RSET relation for Hot and
Cold options.
© 2008 Microchip Technology Inc.
MCP9509/10
MCP9509H Output
Output −> Open-Drain
with external Pull-up
OUT −> Active-Low
OUT
V
MCP9509C Output
is
es
ter
s
Hy
V
OUT
is
res
ste
y
H
TSET THYST
THYST TSET
Cold
Hot
Temperature
Cold
Hot
Temperature
MCP9510H Output
V
OUT −> Active-Low
OUT
Output −> Push-Pull
MCP9510C Output
is
es
ter
s
Hy
V
OUT
Hy
OUTSET −> VOSET < 0.2VDD
is
res
ste
TSET THYST
THYST TSET
Cold
Hot
Temperature
MCP9510H Output
H
te
ys
MCP9510C Output
V
res
ste
Hy
is
OUT
Output −> Open-Drain with ROUT
V
OUT
OUTSET −> Open/Unconnected
or
OUTSET −> 0.45VDD≤VOUTSET≤ 0.7VDD
is
r es
Cold
Hot
Temperature
OUT −> Active-Low
TSET THYST
THYST TSET
Cold
Hot
Temperature
Cold
Hot
Temperature
MCP9510H Output
V
MCP9510C Output
sis
ere
t
s
Hy
V
OUT
Output −> Push-Pull
OUT
OUTSET −> VDD
Hy
is
res
ste
OUT −> Active-High
THYST TSET
Cold
Hot
Temperature
FIGURE 4-4:
TSET THYST
Cold
Hot
Temperature
MCP9509/10 OUT/OUT Output Configuration.
© 2008 Microchip Technology Inc.
DS22114A-page 13
MCP9509/10
TABLE 4-2:
TSET
(°C)
TSET TO RSET CONVERSION TABLE FOR MCP9509/MCP9510H (HOT)
RSET
(kΩ)
TSET
(°C)
RSET
(kΩ)
TSET
(°C)
RSET
(kΩ)
TSET
(°C)
RSET
(kΩ)
TSET
(°C)
RSET
(kΩ)
TSET
(°C)
RSET
(kΩ)
TSET
(°C)
RSET
(kΩ)
TSET
(°C)
RSET
(kΩ)
TSET
(°C)
RSET
(kΩ)
-40.0
145.5
-20.0
117.9
0.0
94.1
20.0
73.7
40.0
56.2
60.0
41.1
80.0
27.9
100.0
16.1
120.0
5.4
-39.5
144.8
-19.5
117.3
0.5
93.6
20.5
73.2
40.5
55.8
60.5
40.7
80.5
27.5
100.5
15.9
120.5
5.1
-39.0
144.0
-19.0
116.6
1.0
93.0
21.0
72.8
41.0
55.4
61.0
40.3
81.0
27.2
101.0
15.6
121.0
4.9
-38.5
143.3
-18.5
116.0
1.5
92.5
21.5
72.3
41.5
55.0
61.5
40.0
81.5
26.9
101.5
15.3
121.5
4.6
-38.0
142.6
-18.0
115.4
2.0
91.9
22.0
71.8
42.0
54.6
62.0
39.7
82.0
26.6
102.0
15.0
122.0
4.4
-37.5
141.8
-17.5
114.7
2.5
91.4
22.5
71.4
42.5
54.2
62.5
39.3
82.5
26.3
102.5
14.7
122.5
4.1
-37.0
141.1
-17.0
114.1
3.0
90.9
23.0
70.9
43.0
53.8
63.0
39.0
83.0
26.0
103.0
14.5
123.0
3.8
-36.5
140.4
-16.5
113.5
3.5
90.3
23.5
70.5
43.5
53.4
63.5
38.6
83.5
25.7
103.5
14.2
123.5
3.6
-36.0
139.7
-16.0
112.9
4.0
89.8
24.0
70.0
44.0
53.0
64.0
38.3
84.0
25.4
104.0
13.9
124.0
3.3
-35.5
138.9
-15.5
112.2
4.5
89.3
24.5
69.5
44.5
52.6
64.5
37.9
84.5
25.1
104.5
13.6
124.5
3.1
-35.0
138.2
-15.0
111.6
5.0
88.7
25.0
69.1
45.0
52.2
65.0
37.6
85.0
24.8
105.0
13.4
125.0
2.8
-34.5
137.5
-14.5
111.0
5.5
88.2
25.5
68.6
45.5
51.8
65.5
37.2
85.5
24.5
105.5
13.1
-34.0
136.8
-14.0
110.4
6.0
87.7
26.0
68.2
46.0
51.4
66.0
36.9
86.0
24.2
106.0
12.8
-33.5
136.1
-13.5
109.8
6.5
87.2
26.5
67.7
46.5
51.0
66.5
36.6
86.5
23.9
106.5
12.6
-33.0
135.4
-13.0
109.2
7.0
86.6
27.0
67.3
47.0
50.6
67.0
36.2
87.0
23.6
107.0
12.3
-32.5
134.7
-12.5
108.6
7.5
86.1
27.5
66.8
47.5
50.2
67.5
35.9
87.5
23.3
107.5
12.0
-32.0
134.0
-12.0
108.0
8.0
85.6
28.0
66.4
48.0
49.9
68.0
35.6
88.0
23.0
108.0
11.7
-31.5
133.3
-11.5
107.4
8.5
85.1
28.5
65.9
48.5
49.5
68.5
35.2
88.5
22.7
108.5
11.5
-31.0
132.6
-11.0
106.8
9.0
84.6
29.0
65.5
49.0
49.1
69.0
34.9
89.0
22.4
109.0
11.2
-30.5
131.9
-10.5
106.2
9.5
84.0
29.5
65.1
49.5
48.7
69.5
34.6
89.5
22.1
109.5
10.9
-30.0
131.2
-10.0
105.6
10.0
83.5
30.0
64.6
50.0
48.3
70.0
34.2
90.0
21.8
110.0
10.7
-29.5
130.5
-9.5
105.0
10.5
83.0
30.5
64.2
50.5
48.0
70.5
33.9
90.5
21.5
110.5
10.4
-29.0
129.8
-9.0
104.4
11.0
82.5
31.0
63.7
51.0
47.6
71.0
33.6
91.0
21.3
111.0
10.1
-28.5
129.1
-8.5
103.8
11.5
82.0
31.5
63.3
51.5
47.2
71.5
33.3
91.5
21.0
111.5
9.9
-28.0
128.5
-8.0
103.2
12.0
81.5
32.0
62.9
52.0
46.8
72.0
32.9
92.0
20.7
112.0
9.6
-27.5
127.8
-7.5
102.6
12.5
81.0
32.5
62.4
52.5
46.5
72.5
32.6
92.5
20.4
112.5
9.3
-27.0
127.1
-7.0
102.0
13.0
80.5
33.0
62.0
53.0
46.1
73.0
32.3
93.0
20.1
113.0
9.1
-26.5
126.4
-6.5
101.5
13.5
80.0
33.5
61.6
53.5
45.7
73.5
32.0
93.5
19.8
113.5
8.8
-26.0
125.8
-6.0
100.9
14.0
79.5
34.0
61.2
54.0
45.4
74.0
31.6
94.0
19.5
114.0
8.5
-25.5
125.1
-5.5
100.3
14.5
79.0
34.5
60.7
54.5
45.0
74.5
31.3
94.5
19.2
114.5
8.3
-25.0
124.4
-5.0
99.7
15.0
78.5
35.0
60.3
55.0
44.6
75.0
31.0
95.0
19.0
115.0
8.0
-24.5
123.8
-4.5
99.2
15.5
78.0
35.5
59.9
55.5
44.3
75.5
30.7
95.5
18.7
115.5
7.7
-24.0
123.1
-4.0
98.6
16.0
77.6
36.0
59.5
56.0
43.9
76.0
30.4
96.0
18.4
116.0
7.5
-23.5
122.4
-3.5
98.0
16.5
77.1
36.5
59.1
56.5
43.5
76.5
30.0
96.5
18.1
116.5
7.2
-23.0
121.8
-3.0
97.5
17.0
76.6
37.0
58.6
57.0
43.2
77.0
29.7
97.0
17.8
117.0
7.0
-22.5
121.1
-2.5
96.9
17.5
76.1
37.5
58.2
57.5
42.8
77.5
29.4
97.5
17.5
117.5
6.7
-22.0
120.5
-2.0
96.4
18.0
75.6
38.0
57.8
58.0
42.5
78.0
29.1
98.0
17.2
118.0
6.4
-21.5
119.8
-1.5
95.8
18.5
75.1
38.5
57.4
58.5
42.1
78.5
28.8
98.5
17.0
118.5
6.2
-21.0
119.2
-1.0
95.2
19.0
74.7
39.0
57.0
59.0
41.8
79.0
28.5
99.0
16.7
119.0
5.9
-20.5
118.5
-0.5
94.7
19.5
74.2
39.5
56.6
59.5
41.4
79.5
28.2
99.5
16.4
119.5
5.7
-20.0
117.9
0.0
94.1
20.0
73.7
40.0
56.2
60.0
41.1
80.0
27.9
100.0
16.1
120.0
5.4
DS22114A-page 14
© 2008 Microchip Technology Inc.
MCP9509/10
TABLE 4-3:
TSET
(°C)
TSET TO RSET CONVERSION TABLE FOR MCP9509/MCP9510C (COLD)
RSET
(kΩ)
TSET
(°C)
RSET
(kΩ)
TSET
(°C)
RSET
(kΩ)
TSET
(°C)
RSET
(kΩ)
TSET
(°C)
RSET
(kΩ)
TSET
(°C)
RSET
(kΩ)
TSET
(°C)
RSET
(kΩ)
TSET
(°C)
RSET
(kΩ)
TSET
(°C)
RSET
(kΩ)
-40.0
146.3
-20.0
118.8
0.0
95.1
20.0
74.8
40.0
57.4
60.0
42.4
80.0
29.2
100.0
17.6
120.0
6.8
-39.5
145.6
-19.5
118.2
0.5
94.6
20.5
74.4
40.5
57.0
60.5
42.0
80.5
28.9
100.5
17.3
120.5
6.6
-39.0
144.8
-19.0
117.5
1.0
94.0
21.0
73.9
41.0
56.6
61.0
41.7
81.0
28.6
101.0
17.0
121.0
6.3
-38.5
144.1
-18.5
116.9
1.5
93.5
21.5
73.4
41.5
56.2
61.5
41.3
81.5
28.3
101.5
16.7
121.5
6.0
-38.0
143.4
-18.0
116.3
2.0
93.0
22.0
73.0
42.0
55.8
62.0
41.0
82.0
28.0
102.0
16.4
122.0
5.8
-37.5
142.6
-17.5
115.6
2.5
92.4
22.5
72.5
42.5
55.4
62.5
40.6
82.5
27.7
102.5
16.2
122.5
5.5
-37.0
141.9
-17.0
115.0
3.0
91.9
23.0
72.0
43.0
55.0
63.0
40.3
83.0
27.4
103.0
15.9
123.0
5.3
-36.5
141.2
-16.5
114.4
3.5
91.4
23.5
71.6
43.5
54.6
63.5
39.9
83.5
27.1
103.5
15.6
123.5
5.0
-36.0
140.5
-16.0
113.8
4.0
90.8
24.0
71.1
44.0
54.2
64.0
39.6
84.0
26.8
104.0
15.3
124.0
4.8
-35.5
139.8
-15.5
113.2
4.5
90.3
24.5
70.7
44.5
53.8
64.5
39.3
84.5
26.5
104.5
15.1
124.5
4.5
-35.0
139.0
-15.0
112.5
5.0
89.8
25.0
70.2
45.0
53.4
65.0
38.9
85.0
26.2
105.0
14.8
125.0
4.2
-34.5
138.3
-14.5
111.9
5.5
89.2
25.5
69.8
45.5
53.0
65.5
38.6
85.5
25.9
105.5
14.5
-34.0
137.6
-14.0
111.3
6.0
88.7
26.0
69.3
46.0
52.7
66.0
38.2
86.0
25.6
106.0
14.3
-33.5
136.9
-13.5
110.7
6.5
88.2
26.5
68.9
46.5
52.3
66.5
37.9
86.5
25.3
106.5
14.0
-33.0
136.2
-13.0
110.1
7.0
87.7
27.0
68.4
47.0
51.9
67.0
37.6
87.0
25.0
107.0
13.7
-32.5
135.5
-12.5
109.5
7.5
87.2
27.5
68.0
47.5
51.5
67.5
37.2
87.5
24.7
107.5
13.4
-32.0
134.8
-12.0
108.9
8.0
86.6
28.0
67.5
48.0
51.1
68.0
36.9
88.0
24.4
108.0
13.2
-31.5
134.1
-11.5
108.3
8.5
86.1
28.5
67.1
48.5
50.7
68.5
36.6
88.5
24.1
108.5
12.9
-31.0
133.4
-11.0
107.7
9.0
85.6
29.0
66.7
49.0
50.4
69.0
36.2
89.0
23.8
109.0
12.6
-30.5
132.7
-10.5
107.1
9.5
85.1
29.5
66.2
49.5
50.0
69.5
35.9
89.5
23.5
109.5
12.4
-30.0
132.0
-10.0
106.5
10.0
84.6
30.0
65.8
50.0
49.6
70.0
35.6
90.0
23.2
110.0
12.1
-29.5
131.4
-9.5
105.9
10.5
84.1
30.5
65.3
50.5
49.2
70.5
35.3
90.5
23.0
110.5
11.8
-29.0
130.7
-9.0
105.3
11.0
83.6
31.0
64.9
51.0
48.9
71.0
34.9
91.0
22.7
111.0
11.6
-28.5
130.0
-8.5
104.8
11.5
83.1
31.5
64.5
51.5
48.5
71.5
34.6
91.5
22.4
111.5
11.3
-28.0
129.3
-8.0
104.2
12.0
82.6
32.0
64.1
52.0
48.1
72.0
34.3
92.0
22.1
112.0
11.0
-27.5
128.6
-7.5
103.6
12.5
82.1
32.5
63.6
52.5
47.7
72.5
34.0
92.5
21.8
112.5
10.8
-27.0
128.0
-7.0
103.0
13.0
81.6
33.0
63.2
53.0
47.4
73.0
33.6
93.0
21.5
113.0
10.5
-26.5
127.3
-6.5
102.4
13.5
81.1
33.5
62.8
53.5
47.0
73.5
33.3
93.5
21.2
113.5
10.2
-26.0
126.6
-6.0
101.9
14.0
80.6
34.0
62.4
54.0
46.6
74.0
33.0
94.0
20.9
114.0
10.0
-25.5
126.0
-5.5
101.3
14.5
80.1
34.5
61.9
54.5
46.3
74.5
32.7
94.5
20.7
114.5
9.7
-25.0
125.3
-5.0
100.7
15.0
79.6
35.0
61.5
55.0
45.9
75.0
32.4
95.0
20.4
115.0
9.4
-24.5
124.6
-4.5
100.1
15.5
79.1
35.5
61.1
55.5
45.6
75.5
32.0
95.5
20.1
115.5
9.2
-24.0
124.0
-4.0
99.6
16.0
78.6
36.0
60.7
56.0
45.2
76.0
31.7
96.0
19.8
116.0
8.9
-23.5
123.3
-3.5
99.0
16.5
78.2
36.5
60.3
56.5
44.8
76.5
31.4
96.5
19.5
116.5
8.7
-23.0
122.7
-3.0
98.5
17.0
77.7
37.0
59.8
57.0
44.5
77.0
31.1
97.0
19.2
117.0
8.4
-22.5
122.0
-2.5
97.9
17.5
77.2
37.5
59.4
57.5
44.1
77.5
30.8
97.5
19.0
117.5
8.1
-22.0
121.4
-2.0
97.3
18.0
76.7
38.0
59.0
58.0
43.8
78.0
30.5
98.0
18.7
118.0
7.9
-21.5
120.7
-1.5
96.8
18.5
76.2
38.5
58.6
58.5
43.4
78.5
30.2
98.5
18.4
118.5
7.6
-21.0
120.1
-1.0
96.2
19.0
75.8
39.0
58.2
59.0
43.1
79.0
29.9
99.0
18.1
119.0
7.3
-20.5
119.4
-0.5
95.7
19.5
75.3
39.5
57.8
59.5
42.7
79.5
29.5
99.5
17.8
119.5
7.1
-20.0
118.8
0.0
95.1
20.0
74.8
40.0
57.4
60.0
42.4
80.0
29.2
100.0
17.6
120.0
6.8
© 2008 Microchip Technology Inc.
DS22114A-page 15
MCP9509/10
4.6
Application Information
The MCP9509/10 temperature switch integrates a
temperature sensor and a comparator circuit which outputs an alert signal when the user programmed temperature threshold is exceeded. The external resistor
value to set the output threshold can be determined
using Table 4-2. A constant current source ISET = 5 µA
(typical) biases the external resistor RSET. A thermal
diode is used to measure ambient temperature. When
the voltage across the thermal diode exceeds the voltage across RSET, VSET, the sensor output asserts. The
sensor output de-asserts when the diode voltage drops
below VSET and the user selected hysteresis level.
The MCP9509/10 provide Open-drain output where
multiple sensors from multiple PCB hot-spots can be
connected to a single processor I/O input with a
wired-Or Configuration. The MCP9509 requires an
external pull-up resistor which can be used to level-shift
the alert signal. For example, if the sensors are
powered with 5VDD and the controller or processor is
powered with 3VDD, the external resistor can be
level-shifted by connecting 3VDD to the pull-up resistor
as shown in Figure 4-5. The MCP9510 elliminates the
need for an external resistor while providing wired-Or
function (Figure 4-6). The MCP9510 also provides
push-pull output configuration for a direct connection to
the processor with Active-Low or Active-High assert
polarities.
HYST
5VDD
MCP9509 OUT
SET
3VDD
RPULL_UP
RSET
3VDD
I/O
HYST
5VDD
Microcontroller
MCP9509 OUT
SET
RSET
FIGURE 4-5:
MCP9509 Wired-Or Output
Configuration with Level-shift.
DS22114A-page 16
HYST
5VDD
MCP9510 OUT
SET
5VDD
RSET
OUTSET
HYST
I/O
Microcontroller
5VDD
MCP9510 OUT
SET
RSET
OUTSET
FIGURE 4-6:
MCP9510 Wired-Or Output
Configuration with Internal Pull-up Resistor.
4.6.1
LAYOUT CONSIDERATION AND
THERMAL CONSIDERATION
This family of sensors measure temperature by monitoring the voltage level of a thermal diode located in the
die. A low-impedance thermal path between the die
and the PCB is provided by the pins. Therefore, the
sensor effectively monitors PCB temperature. For
efficient performance, it is recommended to layout the
device as close to the heat source as possible. It is also
recommended to use a de-coupling capacitor of 0.1 µF
to 1 µF between VDD and GND pins for stability.
When connecting an external resistor to the MCP9509
device, the current through the pull-up resistor must be
considered to prevent self-heat due to power. This can
be determined using Equation 4-3.
EQUATION 4-3:
EFFECT OF
SELF-HEATING
T J – T A = θ JA ( V DD × I DD + V OL × I OUT )
Where:
TJ
=
Junction Temperature
TA
=
Ambient Temperature
θJA
=
Package Thermal Resistance
(220.7 °C/W)
VOL
=
Sensor Output Low Voltage
IOUT
=
Output Current
© 2008 Microchip Technology Inc.
MCP9509/10
6
MCP9509/10 Power Supply Rejection
5
4
No False Trigger
3
2
VDD = 5V + 400mVAC
VDD = 5V + 400mVSQR
10 00
10 000
10 000 0
10 000 00
10 000 000
10M
100
1M
10
100
0
10
1
1k
The OUTSET pin can be controlled using a Microcontroller input/output (I/O) pin. I/O levels HIGH and LOW
provide push-pull configuration with Active-High and
Active-Low outputs, respectively. The Open-Drain
output with internal pull-up resistor can be selected by
configuring the I/O pin as a High-Impedance Input. The
Open-Drain output can also be selected by forcing voltage level VOSET from a low impedance source. With
this configuration, there maybe some leakage current
due to impedance mismatch, (See Figure 4-2).
The MCP9509/10 family of sensors are designed to
prevent false output trigger due to high frequency
power supply or system noise. Figure 4-7 shows
device performance with a high frequency signal added
on VDD. The output is not triggered due to the signal
added on VDD. With some applications, it is
recommended to add a bypass capacitor of 0.1 µF to
1 µF.
100
DRIVING OUTSET WITH A
MICROCONTROLLER I/O PIN
POWER SUPPLY REJECTION
10
4.6.2
4.6.3
Output Voltage (V)
For example, at room temperature, when output
asserts Active-Low and maximum IDD = 50 µA,
VDD = 5.5V, VOL = 0.3V and IOUT = 5 mA (see specification table), the self heating due to power dissipation
(TJ - TA) is ~0.4°C.
Frequency (Hz)
FIGURE 4-7:
(PSR).
© 2008 Microchip Technology Inc.
Power Supply Rejection
DS22114A-page 17
MCP9509/10
NOTES:
DS22114A-page 18
© 2008 Microchip Technology Inc.
MCP9509/10
5.0
PACKAGING INFORMATION
5.1
Package Marking Information
5-Lead SOT-23
5
Example:
4
5
Device
XXNN
1
2
Code
MCP9509CT-E/OT
AQNN
MCP9509HT-E/OT
BPNN
3
3
Code
MCP9510CT-E/CH
AKNN
MCP9510HT-E/CH
ALNN
AK25
1
Legend: XX...X
Y
YY
WW
NNN
e3
*
Note:
2
Example
Part Number
1
AQ25
1
6-Lead SOT-23
XXNN
4
Customer-specific information
Year code (last digit of calendar year)
Year code (last 2 digits of calendar year)
Week code (week of January 1 is week ‘01’)
Alphanumeric traceability code
Pb-free JEDEC designator for Matte Tin (Sn)
This package is Pb-free. The Pb-free JEDEC designator ( e3 )
can be found on the outer packaging for this package.
In the event the full Microchip part number cannot be marked on one line, it will
be carried over to the next line, thus limiting the number of available
characters for customer-specific information.
© 2008 Microchip Technology Inc.
DS22114A-page 19
MCP9509/10
/HDG3ODVWLF6PDOO2XWOLQH7UDQVLVWRU 27 >627@
1RWH
)RUWKHPRVWFXUUHQWSDFNDJHGUDZLQJVSOHDVHVHHWKH0LFURFKLS3DFNDJLQJ6SHFLILFDWLRQORFDWHGDW
KWWSZZZPLFURFKLSFRPSDFNDJLQJ
b
N
E
E1
3
2
1
e
e1
D
A2
A
c
φ
A1
L
L1
8QLWV
'LPHQVLRQ/LPLWV
1XPEHURI3LQV
0,//,0(7(56
0,1
120
0$;
1
/HDG3LWFK
H
%6&
2XWVLGH/HDG3LWFK
H
2YHUDOO+HLJKW
$
±
0ROGHG3DFNDJH7KLFNQHVV
$
±
6WDQGRII
$
±
2YHUDOO:LGWK
(
±
0ROGHG3DFNDJH:LGWK
(
±
2YHUDOO/HQJWK
'
±
%6&
)RRW/HQJWK
/
±
)RRWSULQW
/
±
)RRW$QJOH

/HDG7KLFNQHVV
F
±
/HDG:LGWK
E
±
1RWHV
'LPHQVLRQV'DQG(GRQRWLQFOXGHPROGIODVKRUSURWUXVLRQV0ROGIODVKRUSURWUXVLRQVVKDOOQRWH[FHHGPPSHUVLGH
'LPHQVLRQLQJDQGWROHUDQFLQJSHU$60(<0
%6& %DVLF'LPHQVLRQ7KHRUHWLFDOO\H[DFWYDOXHVKRZQZLWKRXWWROHUDQFHV
0LFURFKLS 7HFKQRORJ\ 'UDZLQJ &%
© 2008 Microchip Technology Inc.
DS22114A-page 21
MCP9509/10
NOTES:
DS22114A-page 22
© 2008 Microchip Technology Inc.
MCP9509/10
APPENDIX A:
REVISION HISTORY
Revision A (November 2008)
• Original Release of this Document.
© 2008 Microchip Technology Inc.
DS22114A-page 21
MCP9509/10
NOTES:
DS22114A-page 22
© 2008 Microchip Technology Inc.
MCP9509/10
PRODUCT IDENTIFICATION SYSTEM
To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office.
PART NO.
Device
-X
/XX
Temperature Package
Range
Examples:
a)
b)
Device:
MCP9509H: Resistor Programmable Temperature Switch,
Hot Option
MCP9509C Resistor Programmable Temperature Switch,
Cold Option
MCP9510H: Resistor Programmable Temperature Switch,
Hot Option
MCP9510C Resistor Programmable Temperature Switch,
Cold Option
Temperature Range:
E
= -40°C to +125°C
Package:
CH = Plastic Small Outline Transistor (SOT-23), 6-lead
(MCP9510 only)
OT = Plastic Small Outline Transistor (SOT-23), 5-lead
(MCP9509)
© 2008 Microchip Technology Inc.
a)
b)
MCP9509CT-E/OT: Cold option,
Extended Temp.,
5LD SOT-23 package.
MCP9509HT-E/OT: Hot option,
Extended Temp.,
5LD SOT-23 package.
MCP9510C-E/CH: Cold option,
Extended Temp.,
6LD SOT-23 package.
MCP9510H-E/CH: Hot option,
Extended Temp.,
6LD SOT-23 package.
DS22114A-page 23
MCP9509/10
NOTES:
DS22114A-page 24
© 2008 Microchip Technology Inc.
Note the following details of the code protection feature on Microchip devices:
•
Microchip products meet the specification contained in their particular Microchip Data Sheet.
•
Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the
intended manner and under normal conditions.
•
There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our
knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip’s Data
Sheets. Most likely, the person doing so is engaged in theft of intellectual property.
•
Microchip is willing to work with the customer who is concerned about the integrity of their code.
•
Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not
mean that we are guaranteeing the product as “unbreakable.”
Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our
products. Attempts to break Microchip’s code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts
allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act.
Information contained in this publication regarding device
applications and the like is provided only for your convenience
and may be superseded by updates. It is your responsibility to
ensure that your application meets with your specifications.
MICROCHIP MAKES NO REPRESENTATIONS OR
WARRANTIES OF ANY KIND WHETHER EXPRESS OR
IMPLIED, WRITTEN OR ORAL, STATUTORY OR
OTHERWISE, RELATED TO THE INFORMATION,
INCLUDING BUT NOT LIMITED TO ITS CONDITION,
QUALITY, PERFORMANCE, MERCHANTABILITY OR
FITNESS FOR PURPOSE. Microchip disclaims all liability
arising from this information and its use. Use of Microchip
devices in life support and/or safety applications is entirely at
the buyer’s risk, and the buyer agrees to defend, indemnify and
hold harmless Microchip from any and all damages, claims,
suits, or expenses resulting from such use. No licenses are
conveyed, implicitly or otherwise, under any Microchip
intellectual property rights.
Trademarks
The Microchip name and logo, the Microchip logo, Accuron,
dsPIC, KEELOQ, KEELOQ logo, MPLAB, PIC, PICmicro,
PICSTART, rfPIC, SmartShunt and UNI/O are registered
trademarks of Microchip Technology Incorporated in the
U.S.A. and other countries.
FilterLab, Linear Active Thermistor, MXDEV, MXLAB,
SEEVAL, SmartSensor and The Embedded Control Solutions
Company are registered trademarks of Microchip Technology
Incorporated in the U.S.A.
Analog-for-the-Digital Age, Application Maestro, CodeGuard,
dsPICDEM, dsPICDEM.net, dsPICworks, dsSPEAK, ECAN,
ECONOMONITOR, FanSense, In-Circuit Serial
Programming, ICSP, ICEPIC, Mindi, MiWi, MPASM, MPLAB
Certified logo, MPLIB, MPLINK, mTouch, PICkit, PICDEM,
PICDEM.net, PICtail, PIC32 logo, PowerCal, PowerInfo,
PowerMate, PowerTool, REAL ICE, rfLAB, Select Mode, Total
Endurance, WiperLock and ZENA are trademarks of
Microchip Technology Incorporated in the U.S.A. and other
countries.
SQTP is a service mark of Microchip Technology Incorporated
in the U.S.A.
All other trademarks mentioned herein are property of their
respective companies.
© 2008, Microchip Technology Incorporated, Printed in the
U.S.A., All Rights Reserved.
Printed on recycled paper.
Microchip received ISO/TS-16949:2002 certification for its worldwide
headquarters, design and wafer fabrication facilities in Chandler and
Tempe, Arizona; Gresham, Oregon and design centers in California
and India. The Company’s quality system processes and procedures
are for its PIC® MCUs and dsPIC® DSCs, KEELOQ® code hopping
devices, Serial EEPROMs, microperipherals, nonvolatile memory and
analog products. In addition, Microchip’s quality system for the design
and manufacture of development systems is ISO 9001:2000 certified.
© 2008 Microchip Technology Inc.
DS22114A-page 25
WORLDWIDE SALES AND SERVICE
AMERICAS
ASIA/PACIFIC
ASIA/PACIFIC
EUROPE
Corporate Office
2355 West Chandler Blvd.
Chandler, AZ 85224-6199
Tel: 480-792-7200
Fax: 480-792-7277
Technical Support:
http://support.microchip.com
Web Address:
www.microchip.com
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Suites 3707-14, 37th Floor
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01/02/08
DS22114A-page 26
© 2008 Microchip Technology Inc.

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