IC-PT2610 [ICHAUS]
6-CH. PHASED ARRAY OPTO ENCODER (26-1000); 6 - CH 。相控阵光电编码器（ 26-1000 ）
| 型号： | IC-PT2610 |
| 厂家： | 
IC-HAUS GMBH |
| 描述： | 6-CH. PHASED ARRAY OPTO ENCODER (26-1000) |
| 文件： | 总11页 (文件大小：900K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
iC-PT 2610
6-CH. PHASED ARRAY OPTO ENCODER (26-1000)
Rev B3, Page 1/11
FEATURES
APPLICATIONS
♦ Incremental encoder
♦ Brushless DC motor
commutation
♦ Monolithic photodiode array with excellent signal matching
♦ Very compact size for small encoders
♦ Moderate track pitch for relaxed assembly tolerances
♦ Low noise signal amplifiers with high EMI tolerance
♦ Single-pin programming of 3 operating modes:
analog, digital (1000 CPR), and x2 interpolated (2000 CPR)
♦ Analog signals for alignment and resolution enhancement
♦ Selectable index gating: 1 T, 0.5 T (B-gated), 0.25 T (AB-gated)
♦ Complementary outputs: A, B, Z and NA, NB, NZ
♦ Up to 50,000 RPM at 1000 CPR (25,000 RPM at 2000 CPR)
♦ U, V, W commutation signals, analog and digital
♦ All outputs +/- 4 mA push-pull, current-limited and
short-circuit-proof
♦ Industrial drives
PACKAGES
♦ LED power control with 40 mA high-side driver
♦ Single 3.5 V to 5.5 V operation, low power consumption
♦ Operating temperature range of -40 °C to +110 °C (+120 °C)
♦ Code disc available: PT15S 26-1000 (glass 1 mm)
OD ∅26.0 mm, ID ∅11.6 mm, optical radius 11.0 mm,
1000 ppr and 4 ppr commutation (90°)
optoQFN32-5x5
5 mm x 5 mm x 0.9 mm
BLOCK DIAGRAM
+3.5..5.5V
C1
1μF
TIP TIN SEL
VCC
LED
LED
iC-PT
POWER
CONTROL
PA
PA
D1
SIGNAL
NA
NA
R1
COMPARATION
AND
47
PB
NB
PB
QUADRATURE
NB
OUTPUT
PZ
NZ
PZ
INDEX
NZ
OUTPUT
T1
U
POWER-ON RESET
U
V
-
+
V
W
CA
W
COMMUTATION
GND
Copyright © 2011, 2013 iC-Haus
http://www.ichaus.com
iC-PT 2610
6-CH. PHASED ARRAY OPTO ENCODER (26-1000)
Rev B3, Page 2/11
DESCRIPTION
iC-PT 2610 is an optical sensor IC with integrated available at the outputs for inspection and monitoring
photosensors whose signals are converted into volt- encoder assembly.
ages by low-noise transimpedance amplifiers. Pre-
cise voltage comparators with hysteresis are used to Typical applications of iC-PT devices are incremental
generate the digital signals, supplied to the output encoders for motor feedback and commutation. To
pins via differential +/- 4 mA push-pull drivers.
this end, device version iC-PT 2610 provides differ-
ential A/B tracks and a differential index track, each
The built-in LED power control with its 40 mA driver consisting of multiple photo sensors. The layout of
stage permits a direct connection of the encoder the signal amplifiers is such that there is an excellent
LED. Regardless of aging or changes in temperature paired channel matching, eliminating the needs for
the received optical power is kept constant.
signal calibration in most cases.
Selection input SEL chooses for three different op- Additionally, three more tracks are provided to gener-
erating modes: regular A/B operation, A/B operation ate motor commutation information for the U, V and
with 2-fold interpolation, or analog operation. With W outputs, for instance with 90 degree phase shift to
analog operation the amplified signal voltages are operate 4-phase brushless motors (period count and
phase shift can be varied by the code disc applied).
iC-PT 2610
6-CH. PHASED ARRAY OPTO ENCODER (26-1000)
Rev B3, Page 3/11
PACKAGING INFORMATION
PAD LAYOUT
PAD FUNCTIONS
Chip size 2.88 mm x 3.37 mm
No. Name Function
See pin configuration.
PIN CONFIGURATION
oQFN32-5x5, oQFN32-5x5-3 (5 mm x 5 mm)
PIN FUNCTIONS
No. Name Function
1 VCC +3.5..5.5 V Supply Voltage
2 LED LED Controller, High-Side Current
Source Output
32 31 30 29 28 27 26 25
3 PA
4 NA
5 PB
6 NB
7 PZ
8 NZ
Push-Pull Output A+ / Analog Sin+ 1)
Push-Pull Output A- / Analog Sin-
Push-Pull Output B+ / Analog Cos+
Push-Pull Output B- / Analog Cos-
Push-Pull Output Z+ / Analog Z+
Push-Pull Output Z- / Analog Z-
1
24
2
3
4
5
6
7
8
23
22
21
20
19
18
17
9..16 n.c.2)
17 SEL Op. Mode Selection Input:
lo = digital
hi = x2 interpolated
open = analog (alignment aid)
18 W
19 TIN
20 V
21 TIP
22 U
Push-Pull Output W / Analog W
Negative Test Current Input 3)
Push-Pull Output V / Analog V
Positive Test Current Input 3)
Push-Pull Output U / Analog U
Index Length Selection Input:
lo = 0.5 T (B-gated),
23 T1
hi = 1 T (ungated/T-gated),
open = 0.25 T (A and B-gated)
24 GND Ground
25..32 n.c.
BP
Backside Paddle 4)
1) Capacitive pin loads must be avoided when using the analog output signals.
2) Pin numbers marked n.c. are not in use.
3) The test pins TIP and TIN may remain unconnected.
4) The backside paddle may have a single link to GND. A current flow across the paddle is not permissible.
iC-PT 2610
6-CH. PHASED ARRAY OPTO ENCODER (26-1000)
Rev B3, Page 4/11
PACKAGE DIMENSIONS
All dimensions given in mm.
Maximum molding excess +20 µm / -75 µm versus surface of glass.
Maximum package thickness tolerance +/- 0.1 mm.
RECOMMENDED PCB-FOOTPRINT
4.90
3.60
SIDE
0.50
0.30
TOP
5
BOTTOM
3.60
1.90
0.50
0.23
dra_pt33xx-oqfn32-2_pack_1, 10:1
iC-PT 2610
6-CH. PHASED ARRAY OPTO ENCODER (26-1000)
Rev B3, Page 5/11
ABSOLUTE MAXIMUM RATINGS
These ratings do not imply operating conditions; functional operation is not guaranteed. Beyond these ratings device damage may occur.
Item Symbol
No.
Parameter
Conditions
Unit
Min.
-0.3
-20
Max.
6
G001 VCC
G002 I(VCC)
G003 V()
Voltage at VCC
Current in VCC
V
mA
V
20
Voltage at Output Pins
PA, NA, PB, NB, PZ, NZ, U, V, W
-0.3
VCC +
0.3
G004 I()
G005 V()
Current in Output Pins
PA, NA, PB, NB, PZ, NZ, U, V, W
-20
20
mA
V
Voltage at LED
-0.3
VCC +
0.3
G006 I()
G007 V()
Current in LED
-120
-0.3
20
mA
V
Voltage at TIP, TIN, SEL
VCC +
0.3
G008 I()
G009 Vd()
G010 Tj
G011 Ts
Current in TIP, TIN, SEL
-20
20
2
mA
kV
°C
°C
ESD Susceptibility, all pins
Junction Temperature
HBM, 100 pF discharged through 1.5 kΩ
-40
-40
150
150
Chip Storage Temperature Range
THERMAL DATA
Item Symbol
No.
Parameter
Conditions
Unit
°C
Min. Typ. Max.
T01 Ta
T02 Ts
T03 Tpk
Operating Ambient Temperature Range
(extended range on request)
-40
110
Permissible Storage Temperature
Range
-40
110
°C
Soldering Peak Temperature
tpk < 20 s, convection reflow
tpk < 20 s, vapor phase soldering
245
230
°C
°C
MSL 5A (max. floor live 24 h at 30 °C and
60 % RH);
Please refer to customer information file No. 7
for details.
All voltages are referenced to ground unless otherwise stated.
All currents flowing into the device pins are positive; all currents flowing out of the device pins are negative.
iC-PT 2610
6-CH. PHASED ARRAY OPTO ENCODER (26-1000)
Rev B3, Page 6/11
ELECTRICAL CHARACTERISTICS
Operating conditions: VCC = 3.5...5.5 V, Tj = -40...125 °C, λLED = λr = 740 nm, unless otherwise noted
Item Symbol
No.
Parameter
Conditions
Unit
Min.
3.5
Typ.
Max.
Total Device
001 VCC
Permissible Supply Voltage
Supply Current in VCC
5.5
10
V
mA
V
002 I(VCC)
003 Vc()lo
004 Vc()hi
005 Vc()hi
no load, photocurrents within op. range
I() = -4 mA, versus GND
I() = 4 mA
3
Clamp-Voltage lo at all pins
Clamp-Voltage hi at all pins
-1.2
-0.3
11
V
Clamp-Voltage hi at LED, PA, NA, I() = 4 mA, versus VCC
PB, NB, PZ, NZ, U, V, W
0.3
0.7
1.2
V
006 Vc()hi
Clamp-Voltage hi at SEL, TIP,
TIN
I() = 4 mA, versus VCC
2.2
V
Photosensors
101 λar
Spectral Application Range
Peak Sensitivity Wavelength
Radiant Sensitive Area
Se(λar) = 0.25 x S(λ)max
400
950
nm
nm
mm2
mm2
mm2
102 λpk
680
103
Aph()
PA, PB, NA, NB (sum of segments)
U, V, W (per segment)
PZ, NZ (sum of segments)
0.069
0.084
0.058
104
106
S(λr)
Spectral Sensitivity
λLED = 740 nm
λLED = 850 nm
0.5
0.3
A/W
A/W
E()mxpk
Permissible Irradiance
λLED = λpk, Vout() < Vout()mx;
PA, PB, NA, NB
2.3
1.3
2.1
mW/
cm2
mW/
cm2
mW/
cm2
U, V, W
PZ, NZ
Photocurrent Amplifiers
201 Iph() Permissible Photocurrent
0
550
nA
Operating Range
202
203
η()r
Photo Sensitivity
(light-to-voltage conversion ratio) for PZ, NZ, U, V, W
for PA, PB, NA, NB
0.1
0.2
0.3
0.4
0.5
0.6
V/µW
V/µW
Z()
Equivalent Transimpedance Gain
Z = Vout() / Iph(), Tj = 27 °C;
for PA, PB, NA, NB
for PZ, NZ, U, V, W
0.56
0.66
0.75
1.0
1
1.36
MΩ
MΩ
204 TCz
Temperature Coefficient of
Transimpedance Gain
-0.12
%/°C
205 ∆Z()pn
206 ∆Vout()
207 ∆Vout()
208 ∆Vout()
Transimpedance Gain Matching SEL open, P vs. N path per diff. channel
Dark Signal Matching of A, B SEL open, output vs. output
Dark Signal Matching of U, V, W SEL open, output vs. output
-0.2
-8
0.2
8
%
mV
mV
mV
-12
-24
12
24
Dark Signal Matching
of A, B, Z, U, V, W
SEL open, any output vs. any output
209 ∆Vout()pn Dark Signal Matching
211 fc()hi Cut-off Frequency (-3 dB)
SEL open, P vs. N path per diff. channel
-2.5
400
2.5
mV
500
kHz
Analog Outputs PA, NA, PB, NB, PZ, NZ, U, V, W
301 Vout()mx Maximum Output Voltage
illumination to E()mxpk
load 100 kΩ vs. +2 V
1.04
640
0.3
1.27
770
0.5
1.8
985
V
mV
V
302 Vout()d
Dark Signal Level
303 Vout()acmx Maximum Signal Level
Vout()acmx = Vout()mx - Vout()d
SEL open, load current to ground
SEL open, load current to IC
f = 1 kHz
0.75
3000
200
304 Isc()hi
305 Isc()lo
306 Ri()
Short-Circuit Current hi
Short-Circuit Current lo
Internal Output Resistance
100
20
1800
40
µA
µA
Ω
250
750
2250
Comparators
401
Vt()hi
Upper Comparator Threshold
Lower Comparator Threshold
Comparator Hysteresis
Iph()p x Z()p > Iph()n x Z()n,
resp. Iph()p x Z()p > internal VREF
5
12
-12
24
25
-5
mV
mV
mV
402
Vt()lo
Iph()p x Z()p < Iph()n x Z()n,
resp. Iph()p x Z()p < internal VREF
-25
10
403 Vt()hys
Vt()hys = Vt()hi - Vt()lo
50
iC-PT 2610
6-CH. PHASED ARRAY OPTO ENCODER (26-1000)
Rev B3, Page 7/11
ELECTRICAL CHARACTERISTICS
Operating conditions: VCC = 3.5...5.5 V, Tj = -40...125 °C, λLED = λr = 740 nm, unless otherwise noted
Item Symbol
No.
Parameter
Conditions
Unit
Min.
Typ.
Max.
LED Power Control
501 Iop()
Permissible LED Output Current
Saturation Voltage hi
-40
0.25
-150
0
1
mA
V
502 Vs()hi
Vs()hi = VCC - V(LED); I() = -40 mA
V() = 0 V
0.5
503 Isc()hi
Short-Circuit Current hi
-50
mA
Digital Outputs PA, NA, PB, NB, PZ, NZ, U, V, W
601 fout
Maximum Output Frequency
Saturation Voltage lo
Saturation Voltage lo
Saturation Voltage lo
Short-Circuit Current lo
Saturation Voltage hi
800
kHz
V
602 Vs()lo
603 Vs()lo
604 Vs()lo
605 Isc()lo
VCC = 4.5...5.5 V, I() = 4mA, Tj = 70 °C
VCC = 4.5...5.5 V, I() = 4mA, Tj = 85 °C
VCC = 3.5...4.5 V, I() = 4mA
V() = VCC
0.4
0.5
0.6
70
V
V
7
mA
606
Vs()hi
Vs()hi = VCC - V(), I() = -4 mA;
VCC = 4.5...5.5 V
VCC = 3.5...4.5 V
0.4
0.6
V
V
607 Isc()hi
Short-Circuit Current hi
V() = 0 V
-70
-7
mA
Selection Input SEL
701 Vt1()hi
702 Vt1()lo
703 Vt1()hys
704 Vt2()hi
705 Vt2()lo
706 Vt2()hys
707 V0()
Upper Threshold Voltage hi
for A/B mode with x2 interpolation
for A/B mode with x2 interpolation
Vt1()hys = Vt1()hi - Vt1()lo
for A/B mode
78
68
8
80
70
82
72
%VCC
%VCC
%VCC
%VCC
%VCC
%VCC
%VCC
kΩ
Upper Threshold Voltage lo
Upper Threshold Hysteresis
Lower Threshold Voltage hi
Lower Threshold Voltage lo
Lower Threshold Hysteresis
Pin-Open Voltage
10
12
28
18
8
30
32
for A/B mode
20
22
Vt2()hys = Vt2()hi - Vt2()lo
for analog mode
10
12
45
70
70
50
55
708 Rpd()
709 Rpu()
710 Vpd()
711 Vpu()
Pull-Down Resistor
SEL to GND, V(SEL) = VCC
VCC to SEL, V(SEL) = 0 V
Vpd() = V() - VCC/2; I() = 0...5 µA
Vpu() = V() - VCC/2; I() = -5...0 µA
100
100
140
140
0.5
Pull-Up Resistor
kΩ
Pull-Down Voltage vs. VCC/2
Pull-Up Voltage vs. VCC/2
V
-0.5
V
Test Circuit Inputs TIP, TIN
801 I()test
802 V()test
803 Ipd()
804 Ipd()
805 It()on
806 CR()
Permissible Test Current Range test mode active
10
1.25
60
600
1.75
160
3
µA
V
Test Pin Voltage
test mode active, I() = 200 µA
test mode not active, V() = 0.4 V
V() = VCC
1.5
100
2
Test Pin Pull-Down Current
Test Pin Pull-Down Current
Test Mode Activation Threshold
µA
mA
µA
0.7
80
130
3000
190
5000
Test Mode Current Ratio I()/Iph() test mode active, I() = 200 µA
1500
Power-On-Reset Circuit
901 VCCon
902 VCCoff
903 VCChys
Turn-on Threshold VCC
(power-on release)
increasing voltage at VCC
decreasing voltage at VCC
VCChys = VCCon - VCCoff
2.6
2.4
170
3.45
V
V
Turn-off Threshold VCC
(power-down reset)
1.4
50
Threshold Hysteresis
300
mV
Index Length Selection Input T1
A01 Vt1()hi
A02 Vt1()lo
A03 Vt1()hys
A04 Vt2()hi
A05 Vt2()lo
A06 Vt2()hys
A07 V0()
Upper Threshold Voltage hi
for index length 1 T
78
68
8
80
70
82
72
%VCC
%VCC
%VCC
%VCC
%VCC
%VCC
%VCC
kΩ
Upper Threshold Voltage lo
Upper Threshold Hysteresis
Lower Threshold Voltage hi
Lower Threshold Voltage lo
Lower Threshold Hysteresis
Pin-Open Voltage
for index length 1 T
Vt1()hys = Vt1()hi - Vt1()lo
for index length 0.5 T (B-gated)
for index length 0.5 T (B-gated)
Vt2()hys = Vt2()hi - Vt2()lo
for index length 0.25 T (AB-gated)
T1 to GND, V(T1) = VCC
10
12
28
18
8
30
32
20
22
10
12
45
70
70
50
55
A08 Rpd()
A09 Rpu()
A10 Vpd()
A11 Vpu()
Pull-Down Resistor
100
100
140
140
0.5
Pull-Up Resistor
VCC to T1, V(T1) = 0 V
kΩ
Pull-Down Voltage vs. VCC/2
Pull-Up Voltage vs. VCC/2
Vpd() = V() - VCC/2; I() = 0...5 µA
Vpu() = V() - VCC/2; I() = -5...0 µA
V
-0.5
V
iC-PT 2610
6-CH. PHASED ARRAY OPTO ENCODER (26-1000)
Rev B3, Page 8/11
DIGITAL OUTPUT SIGNALS
T
iC-PT2610’s phased array design determines the opti-
cal radius (11.0 mm) and the cycles per revolution for
the A and B encoder quadrature signals (1000 CPR
native, respectively 2000 CPR interpolated).
PA
PB
PZ
AB-gated
ungated
B-gated
T/4
The pulse count, period length and phase shift for the
U, V, W commutation signals is determined by the code
disc.
T/4
T/4
T/4
ö
C
U
Sampling is supported by code disc PT15S 26-1000
providing 4 CPR each for U/V/W, with a period length
of 90 degrees (C).
V
W
C/6
C/6
C/6
C/6
C/6
C/6
A phase shift of 0 degrees (ϕ) between U and Z edges
must be considered during alignment. Ideally, the ris-
ing edge of U meets the index Z.
Figure 1: Encoder quadrature signals and motor
commutation signals.
For detailed specifications, refer to the relevant code
disc datasheet, available separately.
ANALOG OUTPUT SIGNALS
GND
GND
CA
T1
CA
T1
PA
PB
PZ
PA
PB
PZ
VCC
VCC
iC-PTxxxx
iC-PTxxxx
U
U
SEL
SEL
Figure 2: Analog signal output (pin SEL open).
Figure 3: Analog/digital signal output for
oQFN32-5x5-3 (pin SEL open).
When the operating mode selection input SEL is left
open, all digital outputs are disabled and analog out- The analog output signals may be used to higher the
put signals are available for test and alignment. encoder’s resolution by an external interpolation IC.
If analog signals are desired permanently, noise immu- In this case, using package oQFN32-5x5-3 may be
nity can be improved by wiring pin SEL to an external considered to obtain analog signals at PA/PB/PZ and
VCC/2 reference.
NA/NB/NZ outputs connecting the interpolation IC, to-
gether with digital signals at U/V/W connecting a line
driver.
Special attention to the PCB layout should be paid to
avoid cross talk; analog and digital lines should be sep-
arated carefully.
iC-PT 2610
6-CH. PHASED ARRAY OPTO ENCODER (26-1000)
Rev B3, Page 9/11
INDEX GATING
VCC
T
GND
CA
T
PA
PB
PZ
iC-PTxxxx
T/4
T/4
T/4
T/4
SEL
Figure 4: Ungated index signal (T1 = high) at x1 interpolation (SEL = low).
VCC
T
GND
CA
T1
PA
PB
PZ
iC-PTxxxx
VCC
T/4 T/4 T/4 T/4
SEL
Figure 5: T-gated index signal (T1 = high) at x2 interpolation (SEL = high).
T
GND
CA
T
PA
PB
PZ
iC-PTxxxx
T/4
T/4
T/4
T/4
SEL
Figure 6: B-gated index signal (T1 = low) at x1 interpolation (SEL = low).
T
GND
CA
T1
PA
PB
PZ
iC-PTxxxx
VCC
T/4 T/4 T/4 T/4
SEL
Figure 7: B-gated index signal (T1 = low) at x2 interpolation (SEL = high).
iC-PT 2610
6-CH. PHASED ARRAY OPTO ENCODER (26-1000)
Rev B3, Page 10/11
T
GND
CA
T1
pin open
PA
PB
PZ
iC-PTxxxx
T/4
T/4
T/4
T/4
SEL
Figure 8: AB-gated index signal (T1 = open or VCC/2) at x1 interpolation (SEL = low).
T
GND
CA
T
pin open
PA
PB
PZ
iC-PTxxxx
VCC
T/4 T/4 T/4 T/4
SEL
Figure 9: AB-gated index signal (T1 = open or VCC/2) at x2 interpolation (SEL = high).
APPLICATION NOTES
Application notes for iC-PTxx series ICs are available separately.
DESIGN REVIEW: Notes On Chip Functions
iC-PT2610 Z
No.
Function, Parameter/Code
Description and Application Hints
none at time of printing
Table 4: Chip release iC-PT2610_Z
iC-Haus expressly reserves the right to change its products and/or specifications. An info letter gives details as to any amendments and additions made to the
relevant current specifications on our internet website www.ichaus.de/infoletter; this letter is generated automatically and shall be sent to registered users by
email.
Copying – even as an excerpt – is only permitted with iC-Haus’ approval in writing and precise reference to source.
iC-Haus does not warrant the accuracy, completeness or timeliness of the specification and does not assume liability for any errors or omissions in these
materials.
The data specified is intended solely for the purpose of product description. No representations or warranties, either express or implied, of merchantability, fitness
for a particular purpose or of any other nature are made hereunder with respect to information/specification or the products to which information refers and no
guarantee with respect to compliance to the intended use is given. In particular, this also applies to the stated possible applications or areas of applications of
the product.
iC-Haus conveys no patent, copyright, mask work right or other trade mark right to this product. iC-Haus assumes no liability for any patent and/or other trade
mark rights of a third party resulting from processing or handling of the product and/or any other use of the product.
iC-PT 2610
6-CH. PHASED ARRAY OPTO ENCODER (26-1000)
Rev B3, Page 11/11
ORDERING INFORMATION
Type
Package
Options
Order Designation
iC-PT2610
32-pin optoQFN, glass lid,
5 mm x 5 mm,
0.9 mm thickness
iC-PT2610 oQFN32-5x5
iC-PT2610 oQFN32-5x5-3
PT15S 26-1000
digital UVW output
(pad CA bonded to GND)
Code Disc
1000 PPR +4 PPR,
OD/ID ∅26.0/11.6 mm,
glass 1 mm
For technical support, information about prices and terms of delivery please contact:
iC-Haus GmbH
Tel.: +49 (61 35) 92 92-0
Am Kuemmerling 18
D-55294 Bodenheim
GERMANY
Fax: +49 (61 35) 92 92-192
Web: http://www.ichaus.com
E-Mail: sales@ichaus.com
Appointed local distributors: http://www.ichaus.com/sales_partners
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