E910.84 - Elmos Semiconductor AG

E910.84
PIR Light Controller
For 2 and 3 Wire Applications
Features
•
•
•
•
•
•
Brief Functional Description
•
•
•
•
•
Digital signal processing
On chip rectifier and supply regulator
Low power consumption
Temperature compensation input
Adjustable soft on/off switching (fading)
Light mode: Increase lamp brightness from set
brightness to full brightness on movement.
Light mode: Increase lamp brightness from off to set
brightness on movement.
Dimmer function
Inductive load switching
Capacitive load on/off switching
Four quadrant TRIAC driver
Suitable for 115V/60Hz and 230V/50Hz applications
•
Low TRIAC switching noise
•
Application
•
Outdoor and indoor motion sensor lights
•
•
High end lighting switches
Automatic bedroom night lights
•
Energy saving
ELMOS Semiconductor AG
The E910.84 integrated circuit combines all
required functions for a single chip Passive Infra
Red (PIR) light controller.
It is designed for load switching with a TRIAC in 2
wire and 3 wire systems.
A conventional PIR sensor connects directly to the
PIRIN input. The pull-down resistors and DC
decoupling circuitry are integrated on chip. The PIR
signal is converted to a 15 bit digital value.
External potentiometers or resistors are used to set
the operating parameters for sensitivity, on-time,
brightness, fade, daylight sensor and environment
temperature correction. The corresponding voltage
levels are converted to digital values with a 4 bit
resolution
All signal processing is performed digitally.
Specification 1 / 16
03SP0383E.00 16/07/07
E910.84
Typical Application
2 Wire Application Circuit
D1
VSS
U1
IRA1
15
VDDA
16
AC1
C2
R2
9
Neutral
PIRIN
R3
LAMP
VDD
C7
C8
VSW
17
Q1
TRIAC
1
6
R6
FADE
P3
TZ1
C3
BRIGHT
P4
C1
L1
SENS
P2
VSS
TEST
3
10
Live
VSS
18
ON-TIME
P1
VSS
VDD
C4
8
+
2
Auto
12
SWIN
LED
5
R8
VDD
C6
R7
Off
RELAY
4
NTC
VSS
RETRIG
19
R11
LDR1
LED1
7
TCOMP
N1
R10
P5
C5
S1
On
VSS
+
R9
R1
VSSA
20
VDD
R4
11
DARK
TOG
14
VDD
13
E910.84
VSS
3 Wire Application Circuit
D1
VSS
U1
IRA1
15
16
VDDA
AC1
R1
9
Neutral
PIRIN
R2
LAMP
VDD
C7
C8
17
20
1
R6
FADE
3
P1
SENS
VSS
TEST
10
Live
VSS
18
ON-TIME
VSS
VDD
C4
8
+
P2
C5
C6
VDD
S1
On
Auto
12
SWIN
LED
5
R8
R7
Off
4
N1
R10
NTC
R11
LDR1
VSS
ELMOS Semiconductor AG
RELAY
LED1
7
TCOMP
VSS
RETRIG
19
P5
6
L1
2
VSS
C1
C3
TRIAC
P3
Live Sw
Q1
BRIGHT
P4
R9
11
VSSA
+
VDD
VSW
R3
DARK
TOG
14
13
VDD
VSS
E910.84
Specification 2 / 16
03SP0383E.00 16/07/07
E910.84
Component values for both applications
Designator
R1
R2
R3
R4
R6
R7
R8
R9
R10
R11
P1, P2, P3, P4
P5
C2
C3
C4, C8
C5, C6
C7
D1
IRA1
C1*
Q1
L1
N1
LDR1*
Description 2 Wire Application
1kΩ 2W
1kΩ 2W
Description 3 Wire Application
2x 47kΩ
Not Used
1MΩ
1MΩ
10kΩ
47kΩ
470Ω
33kΩ
100kΩ
22kΩ
47kΩ Trim pot
2.2MΩ Trim pot
220nF / 250V AC
100nF
470nF
470µF, 16V
1nF
10MQ100N Schottky
LHI 878, Perkin Elmer
100..220nF, class X (dependent on local EMC regulations)
BT136 TRIAC 600V, 4A
Inductor 100..1500µH
100kΩ NTC Resistor β = 4500
Light Dependant Resistor
Table 1: Component Values for Application Circuits
*Values must be determined by the manufacturer
ELMOS Semiconductor AG
Specification 3 / 16
03SP0383E.00 16/07/07
E910.84
1 Pinout
1.1 Pin Description
Name
Pin No.
Description
FADE
1
Fade time adjustment
SENS
2
Sensitivity threshold adjustment
ON-TIME
3
Light on-time adjustment
TCOMP
4
Temperature compensation input
LED
5
LED output pin, open drain
TRIAC
6
TRIAC gate signal, push-pull
RELAY
7
RELAY output, push-pull
VDD
8
Digital VDD
AC1
9
Mains power input
VSS
10
Digital ground
VSW
11
TRIAC voltage monitor input
SWIN
12
Operating mode input, Light On – Auto - Off
TOG
13
Toggle mode OTSB and STFB mode select
RETRIG
14
Retrigger mode select
VDDA
15
Analog VDD supply to PIR sensor
PIRIN
16
PIR sensor input
VSSA
17
Analog VSS supply to PIR sensor
TEST
18
Reserved, Test mode, connect to VSS
DARK
19
Dark mode input, connected to LDR/Photodiode
BRIGHT
20
Brightness adjustment
Table 2: Device Pin Out
1.2 Package Pinout
1
20
2
19
3
18
4
17
TRIAC
RELAY
VDD
AC1
VSS
6
5
E910.84
FADE
SENS
ON-TIME
TCOMP
LED
16
15
7
14
8
13
9
12
10
11
BRIGHT
DARK
TEST
VSSA
PIRIN
VDDA
RETRIG
TOG
SWIN
VSW
Figure 1.2-1: Pinout
ELMOS Semiconductor AG
Specification 4 / 16
03SP0383E.00 16/07/07
E910.84
2 Operating Conditions
2.1 Absolute Maximum Ratings
Parameter
Condition
Supply voltage
Current into any pin
Symbol
Min.
VDD
-0.3
One pin at a time Iin
-100
Max.
Unit
7 V
100
mA
150
°C
150
°C
Junction Temperature
TJ
Storage Temperature
TSTG
Thermal Resistance (Junction – Ambient) 2)
ΘJA
85,2
K/W
ESD
VESD
1,5
kV
1)
- 55
Table 3: Electrical Characteristics
1) Test method: AECQ-100 / HBM
2) Generic value, application dependant
Stresses beyond those listed above may cause permanent damage to the device. Exposure to
absolute maximum ratings may affect the device reliability.
2.2 Recommended Operating Conditions
Parameters are guaranteed within the range of operating conditions unless otherwise specified.
Parameter
Condition
Symbol
Min.
Typ
Max.
Unit
85
°C
Temperature
Operating temperature range
-40
Rectifier / Regulator
AC1, input current, t<200us
Repetitive @ 60Hz
500
mA
Table 4: Operating Conditions
ELMOS Semiconductor AG
Specification 5 / 16
03SP0383E.00 16/07/07
E910.84
3 Detailed Electrical Specification
Parameters are guaranteed within the range of operating conditions unless otherwise specified.
Parameter
Condition
Symbol
Min.
Typ
Max.
Unit
VDD
4,0
4,5
5,0
V
0,1
0.3
mA
15
%VDD
Rectifier / Regulator
Regulated supply voltage
VDD < 4.5V
Outputs unloaded
Supply current
IDD
Digital Inputs, Schmitt Triggers (TEST, RETRIG, DARK, SWIN)
Input low voltage
VIL
Input high voltage
VIH
85
%VDD
Pull down current on TEST
input to VDD
140
Pull up current on RETRIG
input to VSS
70
Leakage current on DARK
input to VSS or VDD
Pull up/ pull down scanning current on
SWIN
input to VSS or VDD
-1
160
µA
140
µA
1
µA
320
µA
1
V
VSW Digital Inputs
Input low voltage
VSWL
Input high voltage
VSWH
VDD-1
V
Digital Outputs (LED, TRIAC, RELAY)
Output low voltage
ISOURCE=5mA
VOL
Output high voltage
ISINK=2mA
VOH
10
90
%VDD
%VDD
Analog Inputs
Input leakage current (ON-TIME, SENS,
FADE, BRIGHT, TCOMP, TOG)
-1
PIRIN resistance to VSS
60
PIRIN input AC voltage
2)
85
Peak-to-Peak
PIRIN input DC voltage
0
Per threshold
count
PIR resolution
1
µA
120
kΩ
5
mV
VDD
V
7
µV
Oscillator and Filter
LPF cutoff frequency
1)
7
Hz
HPF cutoff frequency
1)
0.5
Hz
Clock frequency
FCLK
40
57
80
kHz
Table 5: Detailed Electrical Specification
1) Guaranteed by Design, not tested within production.
2) Characterisation value, not tested within production.
All voltages are referred to VSS; currents are positive when flowing into the node unless otherwise
specified.
ELMOS Semiconductor AG
Specification 6 / 16
03SP0383E.00 16/07/07
E910.84
4 Functional Description
VS W
V DD
SW IN
V DDA
DARK
4.1 Block Diagram
D riv e r
T RI A C
T RI A C D riv e r
P I RIN
In put A m plifier
A /D C onv erter
B an d P ass
F ilter
LE D D riv e r
Relay D riv e r
C ontroller
P aram eter
S etting s
LE D
RE LA Y
SEN S
B RI G H T
AC1
V olta ge
M ains Rectifier
T rim po t in puts
O scilator
Reg ulato r
FA DE
O N -T I M E
TOG
RT RIG
TE ST
VS S
VS SA
TC O M P
Figure 4.1-1: Block Diagram
4.2 Mains Rectifier
The E910.84 contains an on chip one way rectifier. The negative half wave is shorted to VSS. The rectifier
operates with capacitive and resistive voltage dropper circuits. The maximum peak current must be limited to
300mA. The average current must be less than 20mA.
4.3 Voltage Regulator
The voltage regulator acts as a Zener diode between VDD and VSS. An external smoothing capacitor is
required between the VDD and VSS pins. The device can tolerate 50Hz ripple on its supply, because the PIR
signal is filtered with a second order digital low pass having a low cutoff frequency. The voltage regulator can
shunt currents up to 20mA continuously.
4.4 Oscillator
The IC contains an on chip oscillator with frequency set to 57 kHz. All timing signals and cutoff frequencies of
the digital filters are derived from this frequency.
4.5 Input amplifier and A/D Converter
The PIRIN input has an internal pull-down resistor and DC decoupling circuitry. The signal voltage on the PIR
input is converted to a 15 bit digital value.
ELMOS Semiconductor AG
Specification 7 / 16
03SP0383E.00 16/07/07
E910.84
4.6 Band-Pass Filter
A 2nd order digital Butterworth band-pass filter eliminates unwanted frequency components above and below
the band of interest (0.4Hz ... 7Hz).
4.7 Threshold Comparator
The output signal from the band pass filter is digitally rectified and its peak value compared against a threshold value calculated from the voltages on the SENS and TCOMP inputs. Whenever the PIR signal exceeds
the threshold, the load is switched on.
The threshold comparator is disabled for 1.5s after the load has been switched off. In case, that the fade time
has been set to a value bigger than zero, the threshold comparator ignores the signal from the PIR input during he fade time and for an additional 1.5s after the light has been completely switched off.
4.8 Parameter Settings
The E910.84 provides for six inputs, which are used to define the operational parameters. The voltages
applied on these inputs are converted to 4 bit digital values.
SENS: Set the sensitivity threshold required to generate a trigger condition. Sixteen different threshold values
are possible. The threshold value internally recalculated with the temperature compensation factor. Refer to
table 6.
BRIGHT: Sets the maximum brightness of the light. The brightness levels are divided into 15 equal steps. One
step corresponds to 90*(1- 1/16) degrees phase angle.
FADE: Sets the time it takes to fade the light from off to full brightness. On and off fading takes equally long.
Refer to table 6.
ON-TIME: Sets the time the light remains on. Refer to table 6.
TCOMP: A temperature dependent resistor network can be connected to this pin. The temperature voltage, in
the range from VSS to VDD/4 is converted to a set of threshold multiplication factors. The voltage on this pin
must decrease as the temperature increases, so a NTC resistor (β=4500) is used. At 37°C, the TCOMP voltage should be between VDD*7/128 and VDD*9/128 for maximum detection sensitivity. Temperature compensation may be disabled by connecting TCOMP to VSS. The temperature compensated threshold voltage is
the comparator threshold multiplied with the Tcomp factor in table 6.
ELMOS Semiconductor AG
Specification 8 / 16
03SP0383E.00 16/07/07
E910.84
Device Pin
ON-TIME
FADE
FADE
TCOMP
SENSE
TOG
Voltage on pin
relative to VDD
On time
Mains
Toggle
2.67
Comparator
Threshold
672 µV
Light
Mode
78 min
Fade
time
(60Hz)
3.7 s
Tcomp
factor
VDD*31/128 or
above
VDD*29/128
VDD*27/128
VDD*25/128
VDD*23/128
VDD*21/128
VDD*19/128
VDD*17/128
VDD*15/128
VDD*13/128
VDD*11/128
VDD*9/128
VDD*7/128
VDD*5/128
VDD*3/128
VDD*1/128 or less
Fade
time
(50Hz)
4.5 s
OTSB
Enable
78 min
39 min
39 min
20 min
20 min
10 min
10 min
5 min
5 min
2.5 min
2.5 min
37 s
37 s
9.2 s
9.2 s
4.5 s
3.8 s
3.8 s
3.2 s
3.2 s
2.6 s
2.6 s
1.9 s
1.9 s
1.3 s
1.3 s
0.6 s
0.6 s
0s
0s
3.7 s
3.2 s
3.2 s
2.7 s
2.7 s
2.1 s
2.1 s
1.6 s
1.6 s
1.1 s
1.1 s
0.5 s
0.5 s
0s
0s
2.67
2.50
2.33
2.17
2.00
1.83
1.67
1.5
1.33
1.17
1.00
1.00
1.33
2.00
2.67
630 µV
588 µV
546 µV
504 µV
462 µV
420 µV
378 µV
336 µV
294 µV
252 µV
210 µV
168 µV
126 µV
84 µV
42 µV
OTSB
OTSB
OTSB
STFB
STFB
STFB
STFB
STFB
STFB
STFB
STFB
OTSB
OTSB
OTSB
OTSB
Enable
Enable
Enable
Enable
Enable
Enable
Enable
Disable
Disable
Disable
Disable
Disable
Disable
Disable
Disable
Table 6: Parameter and operational settings related to pin voltage.
4.9 TRIAC Switching
The TRIAC output generates trigger pulses, synchronous with the mains voltage. Brightness control is
achieved with firing the TRIAC at different phase angles of the mains voltage. The voltage sense input is
monitored and load switching can only happen, if the voltage on this input is close or above VDD or close or
below VSS. The maximum brightness = minimum phase angle for the load switching is set with an external
voltage divider. This ensures that the electronics have enough power supply when switching the load to maximum brightness in 2 wire operation.
4.10 RELAY Output
The RELAY output is an active high output and changes state at the start of the fading cycle.
4.11 LED Output
The LED output is an open drain output that is active (16ms) when the PIR signal exceeds the set threshold.
A capacitor charged with a limited current from the generated VDD supply is discharged through a LED connected to the LED output of the device.
4.12 Controller: Modes of Operation
Behaviour of the light controller is separated in to two modes; switch from Off To Set Brightness (OTSB) or
switch from Set brightness To Full Brightness (STFB). The two modes are selected by applying a specific
voltage on the TOG input. All operating modes are determined by four inputs in table 7.
ELMOS Semiconductor AG
Specification 9 / 16
03SP0383E.00 16/07/07
E910.84
Pin Name
SWIN
TOGGLE 1
RETRIG
DARK 2
Description
Selects the ON-AUTO-OFF mode.
VDD: light permanently ON (to set brightness)
VSS: light permanently OFF
Floating: PIR sensor mode (AUTO)
Mains Toggle Mode
If enabled a mains On – Off - On will switch the load permanently to set brightness if DARK.
VDD *3/16 or greater
OTSB mode, mains toggling enabled.
VDD *5/32
STFB mode, mains toggling enabled.
VDD *3/32
STFB mode, mains toggling disabled
VDD *1/16 or less
OTSB mode, mains toggling enabled.
Re-trigger Mode
VDD or floating: The timer for the on-time is restarted whenever movement is
detected.
VSS: The light will stay on for the on-time. Movement detection is ignored during
this period.
Typically connected to a Light Dependant Resistor (LDR) or photo transistor, to
prevent the light from switching on during daylight conditions.
VDD: Enable switching of the light
VSS: Disables switching of the light
Do not leave this input floating.
Table 7: Operational settings
1
2
The toggle mode is not cancelled by setting SWIN input to VSS, although the light will be switched off
DARK is ignored when the light is ON in PIR sensor mode (AUTO).
5 Operation
5.1 Power-up Mode
Whenever the circuit is powered up, the light is switched on for the selected on-time duration. The DARK
input is ignored on power-up, to allow the user to verify the installation during daylight conditions.
5.2 Trigger condition
The threshold voltage (SENS) is multiplied with the Tcomp factor (refer to table 6), to obtain a temperature
dependent threshold voltage. When the PIR signal exceeds this calculated threshold voltage, a trigger condition occurs.
5.3 Conditions for Switching the Light ON (AUTO mode, OTSB mode)
If a trigger condition occurs and the DARK input is high, the light will be switched on. The light’s brightness
will increase to the selected BRIGHTNESS within the selected FADE TIME.
The RELAY output is activated at the start of the fading-on cycle.
The relay will remain on and the light at the set BRIGHTNESS for the duration set by the ON-TIME input. The
DARK input is ignored during this time.
If the TOGGLE MODE is enabled, the light can also be switched on by toggling the mains ON-OFF-ON within
3 seconds. In this mode, the PIR input is ignored; the DARK input will switch the light ON or OFF. This mode
is disabled by disconnecting the mains for a few seconds.
ELMOS Semiconductor AG
Specification 10 / 16
03SP0383E.00 16/07/07
E910.84
5.4 Conditions for Switching the Light OFF (AUTO mode OTSB mode)
The light fades to zero after the selected ON-TIME has elapsed, within the selected FADE TIME.
The RELAY output is switched off at the start of the fading-off cycle.
5.5 Conditions for Switching the Light ON (AUTO mode, STFB mode)
If the DARK input is high, the light will be on at the set BRIGHTNESS. If a trigger condition occurs, the light
will be switched to full brightness. The light’s brightness will increase to maximum within the selected FADE
TIME.
The RELAY output is activated at the start of the fading-on cycle.
The relay output will be active and the light remains at full brightness for the duration set by the ON-TIME
input.
If the TOGGLE MODE is enabled, the light can also be switched on to the set brightness by toggling the
mains ON-OFF-ON within 3 seconds. In this mode, the PIR input is ignored; the DARK input will switch the
light ON or OFF. This mode is disabled by disconnecting the mains for a few seconds.
The RELAY output is switched off at the start of the fading-off cycle.
5.6 Condition for Switching the Light to set brightness (AUTO mode,
STFB mode)
The light will fade within the selected FADE TIME to the set BRIGHTNESS after the selected ON-TIME has
elapsed.
ELMOS Semiconductor AG
Specification 11 / 16
03SP0383E.00 16/07/07
E910.84
6 Package
6.1 Marking
6.1.1 Top Side
ELMOS
91084A
XXX#YWW*@
where
91084
ELMOS Project Descriptor
A
Version
#
Assembler Code
YWW
Year and Week of Fabrication
*
Mask Revision Number
@
ELMOS internal Marking
6.1.2 Bottom Side
No Marking
ELMOS Semiconductor AG
Specification 12 / 16
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E910.84
6.2 Package Dimensions
2 1
E
Index
Area
H
3
N
D
h x 45°
Seating
Plane
A
e
C
phi
A1
B
L
Figure 6.2-1: Package Outlines of SO 20
Description
Distance from the seating plane to
the highest point of body
Distance between the seating plane
and the base plane
Width of terminal leads, including
lead finish
Coplanarity lead to lead
Thickness of leads measured in a
plane perpendicular to the seating
plane including lead finish.
The longest body dimension measured perpendicular to the body width
E
The smallest body width dimension
Linear spacing between true lead
positions which applies over the
entire lead length or at the gauge
plane
Largest overall package width
dimension of mounted package
Body chamfer angle
Length of terminal for soldering to
substrate
Number of terminal positions
Angle of lead mounting area
Symbol
min
mm
typ
min
inch
typ
max
max
A
-
-
2.64
-
-
.104
A1
0.10
-
-
.004
-
-
B
0.36
0.51
.014
-
.020
b2
-
-
0.10
-
-
.004
C
0.23
-
0.33
.009
-
.013
D
12.65
-
13.05
.498
-
.514
E
7.40
-
7.60
.291
-
.299
e
-
1.27
-
-
.050
-
H
10.11
-
10.65
.398
-
.419
h
0.25
-
0.75
.010
-
.029
L
0.51
-
1.01
.020
-
.040
N
0°
20
-
8°
0°
20
-
8°
a
Table 9: Package Dimension
ELMOS Semiconductor AG
Specification 13 / 16
03SP0383E.00 16/07/07
E910.84
7 Record of Revisions
Chapter
Rev.
Change and Reason for Change
Date
Released
ELMOS
00
1. Version
ELMOS Semiconductor AG
Customer
16.07.07
Specification 14 / 16
03SP0383E.00 16/07/07
E910.84
8 Index
Table of Content
1 Pinout...............................................................................................................................................................4
1.1 Pin Description ........................................................................................................................................4
1.2 Package Pinout........................................................................................................................................4
2 Operating Conditions........................................................................................................................................5
2.1 Absolute Maximum Ratings....................................................................................................................5
2.2 Recommended Operating Conditions.....................................................................................................5
3 Detailed Electrical Specification.....................................................................................................................6
4 Functional Description....................................................................................................................................7
4.1 Block Diagram.........................................................................................................................................7
4.2 Mains Rectifier..........................................................................................................................................7
4.3 Voltage Regulator.....................................................................................................................................7
4.4 Oscillator..................................................................................................................................................7
4.5 Input amplifier and A/D Converter............................................................................................................8
4.6 Band-Pass Filter.......................................................................................................................................8
4.7 Threshold Comparator.............................................................................................................................8
4.8 Parameter Settings...................................................................................................................................8
4.9 TRIAC Switching ....................................................................................................................................9
4.10 RELAY Output........................................................................................................................................9
4.11 LED Output.............................................................................................................................................9
4.12 Controller: Modes of Operation..............................................................................................................9
5 Operation.......................................................................................................................................................10
5.1 Power-up Mode......................................................................................................................................10
5.2 Trigger condition.....................................................................................................................................10
5.3 Conditions for Switching the Light ON (AUTO mode, OTSB mode) .....................................................10
5.4 Conditions for Switching the Light OFF (AUTO mode OTSB mode).....................................................11
5.5 Conditions for Switching the Light ON (AUTO mode, STFB mode) ..................................................... 11
5.6 Condition for Switching the Light to set brightness (AUTO mode, STFB mode)...................................11
6 Package.........................................................................................................................................................12
6.1 Marking...................................................................................................................................................12
6.1.1 Top Side.........................................................................................................................................12
6.1.2 Bottom Side....................................................................................................................................12
6.2 Package Dimensions.............................................................................................................................13
7 Record of Revisions......................................................................................................................................14
8 Index.............................................................................................................................................................15
ELMOS Semiconductor AG
Specification 15 / 16
03SP0383E.00 16/07/07
E910.84
WARNING – Life Support Applications Policy
ELMOS Semiconductor AG is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent
electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when
utilizing ELMOS Semiconductor AG products, to observe standards of safety, and to avoid situations in which malfunction or failure of a ELMOS Semiconductor AG Product could cause loss of
human life, body injury or damage to property. In development your designs, please ensure that
ELMOS Semiconductor AG products are used within specified operating ranges as set forth in the
most recent products specifications.
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