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CS8191XDWF20 데이터시트 PDF




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부품번호 CS8191XDWF20 기능
기능 Precision Air-Core Tach/Speedo Driver with Short Circuit Protection
제조업체 Cherry Semiconductor Corporation
로고 Cherry Semiconductor Corporation 로고


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CS8191XDWF20 데이터시트, 핀배열, 회로
CS8191
Precision Air-Core Tach/Speedo Driver
with Short Circuit Protection
Description
The CS8191 is specifically designed
for use with 4 quadrant air-core
meter movements. The IC includes
an input comparator for sensing
input frequency such as vehicle
speed or engine RPM, a charge
pump for frequency to voltage con-
version, a bandgap reference for
stable operation and a function
generator with sine and cosine
amplifiers that differentially drive
the motor coils.
The CS8191 has a higher torque
output and better output signal
symmetry than other competitive
parts (CS289, and LM1819). It is
protected against short circuit and
overvoltage (60V) fault conditions.
Enhanced circuitry permits func-
tional operation down to 8V.
Absolute Maximum Ratings
Supply Voltage ( ² 100ms pulse transient) ...........................................VCC = 60V
(continuous) ..................................................................VCC = 24V
Operating Temperature Range ........................................................-40¡C to +105¡C
Junction Temperature Range ...........................................................-40¡C to +150¡C
Storage Temperature Range.............................................................-55¡C to +165¡C
Electrostatic Discharge (Human Body Model) ...................................................4kV
Lead Temperature Soldering
Wave Solder (through hole styles only)..................10 sec. max, 260¡C peak
Reflow (SMD styles only)...................60 sec. max above 183¡C, 230¡C peak
Block Diagram
BIAS
CP+
SQOUT
FREQIN
Gnd
Gnd
COS+
COS-
VCC
Charge Pump
Input
Comp.
+
Ð
Voltage
Regulator
VREG
7.0V
COS
Output
+
Ð
Function
Generator
Ð
+
SINE
Output
+
Ð
High Voltage, Short
Circuit Protection
F/VOUT
CP-
VREG
Gnd
Gnd
SINE+
SINE-
Features
s Direct Sensor Input
s High Output Torque
s Wide Output Voltage
Range
s High Impedance Inputs
s Accurate down to 10V VCC
s Fault Protection
Overvoltage
Short Circuit
s Low Voltage Operation
Package Options
16 Lead PDIP
(internally fused leads)
VCC 1
VREG 2
BIAS 3
Gnd 4
Gnd 5
COS- 6
SINE- 7
FREQIN 8
16 F/VOUT
15 CP+
14 CP-
13 Gnd
12 Gnd
11 COS+
10 SINE+
9 SQOUT
20 Lead SOIC
(internally fused leads)
VCC 1
VREG 2
BIAS 3
NC 4
Gnd 5
Gnd 6
NC 7
COS- 8
SIN- 9
FREQIN 10
20 F/VOUT
19 CP+
18 CP-
17 NC
16 Gnd
15 Gnd
14 NC
13 COS+
12 SIN+
11 SQOUT
Rev 3/9/99
Cherry Semiconductor Corporation
2000 South County Trail, East Greenwich, RI 02818
Tel: (401)885-3600 Fax: (401)885-5786
Web Site: www.cherry-semi.com
1 A ¨ Company




CS8191XDWF20 pdf, 반도체, 판매, 대치품
Typical Performance Characteristics: continued
Figure 3: Output Angle in Polar Form
(VSINE+) - (VSINE-)
7V
Q Angle
Ð7V +7V
(VCOS+) - (VCOS-)
[ ]Q = ARCTAN
VSIN+ Ð VSIN-
VCOS+ Ð VCOS-
-7V
1.50
1.25
1.00
0.75
0.50
0.25
0.00
-0.25
-0.50
-0.75
-1.00
-1.25
-1.50
0
Figure 4: Nominal Output Deviation
45 90 135 180 225 270
Theoretical Angle (°)
315
Nominal Angle vs. Ideal Angle (After calibrating at 180¡)
Note: Temperature, voltage and nonlinearity not included.
45
40
35
30
25
20
Ideal Degrees
15
Nominal Degrees
10
5
0
1 5 9 13 17 21 25 29 33 37 41
Nominal Angle (Degrees)
Table 1: Function Generator Output Nominal Angle vs. Ideal Angle (After calibrating at 270¡)
45
Ideal Q Nominal
Degrees Q Degrees
Ideal Q Nominal
Degrees Q Degrees
Ideal Q Nominal
Degrees Q Degrees
Ideal Q Nominal
Degrees Q Degrees
Ideal Q Nominal
Degrees Q Degrees
00
1 1.09
2 2.19
3 3.29
4 4.38
5 5.47
6 6.56
7 7.64
8 8.72
9 9.78
10 10.84
11 11.90
12 12.94
13 13.97
14 14.99
15 16.00
16 17.00
17 17.98
18 18.96
19 19.92
20 20.86
21 21.79
22 22.71
23 23.61
24 24.50
25 25.37
26 26.23
27 27.07
28 27.79
29 28.73
30 29.56
31 30.39
32 31.24
33 32.12
34 33.04
75 74.00 160 159.14
35 34.00
80 79.16 165 164.00
36 35.00
85 84.53 170 169.16
37 36.04
90 90.00 175 174.33
38 37.11
95 95.47 180 180.00
39
38.21
100 100.84
185 185.47
40
39.32
105 106.00
190 190.84
41
40.45
110 110.86
195 196.00
42
41.59
115 115.37
200 200.86
43
42.73
120 119.56
205 205.37
44
43.88
125 124.00
210 209.56
45
45.00
130 129.32
215 214.00
50
50.68
135 135.00
220 219.32
55
56.00
140 140.68
225 225.00
60
60.44
145 146.00
230 230.58
65
64.63
150 150.44
235 236.00
70
69.14
155 154.63
240 240.44
Note: Temperature, voltage and nonlinearity not included.
4
Ideal Q Nominal
Degrees Q Degrees
245 244.63
250 249.14
255 254.00
260 259.16
265 264.53
270 270.00
275 275.47
280 280.84
285 286.00
290 290.86
295 295.37
300 299.21
305 303.02

4페이지










CS8191XDWF20 전자부품, 판매, 대치품
Speedometer/Odometer or Tachometer Application
Battery
D1 R1
Ground
D2 C1
R2
C3
Typical Speedometer
Input
1 VCCPC+
2 VREG
3 BIAS
4 Gnd
5 Gnd
6 COS-
7 SINE-
8 FREQIN
F/VOUT16
CP+ 15
CP- 14
Gnd 13
Gnd 12
COS+ 11
SINE+ 10
SQOUT 9
SINE
C4+ RT
R4
R3
CT
COSINE
Air Core
Gauge
Speedometer
Figure 6
R1 - 3.9, 500mW
R2 - 10k½
R3 - 3k½
R4 - 1k½
RT - Trim Resistor +/- 20 PPM/DEG. C
C1 - 0.1µF
C2 - With CS-8441 application, 10µF
C3 - 0.1µF
C4 - 0.47µF
CT - 0.0033µF, +/- 30 PPM/¡C
D1 - 1A, 600 PIV
D2 - 50V, 500mW Zener
Note 1: The product of CT and RT have a direct effect on gain and
therefore directly effect temperature compensation.
Note 2: C4 Range; 20pF to .2µF.
Note 3: R4 Range; 100k½ to 500k½.
Battery
D1 R1
Ground
D2 C1
R2
C3
Typical Speedometer
Input
C2
1 VCCPC+
2 VREG
3 BIAS
4 Gnd
5 Gnd
6 COS-
7 SINE-
8 FREQIN
F/VOUT16
CP+ 15
CP- 14
Gnd 13
Gnd 12
COS+ 11
SINE+ 10
SQOUT 9
SINE
C4+ RT
R4
R3
CT
COSINE
1
CS8441
Air Core
Gauge
Speedometer
Figure 7
Air Core
Stepper Motor
200W
Odometer
Note 4: The IC must be protected from transients above 60V and reverse
battery conditions.
Note 5: Additional filtering on the FREQIN lead may be required.
In some cases a designer may wish to use the CS8191 only
as a driver for an air-core meter having performed the F/V
conversion elsewhere in the circuit.
Figure 8 shows how to drive the CS8191 with a DC voltage
ranging from 2V to 6V. This is accomplished by forcing a
voltage on the F/VOUT lead. The alternative scheme shown
in figure 9 uses an external op amp as a buffer and operates
over an input voltage range of 0V to 4V.
An alternative solution is to use the CS4101 which has a
separate function generator input lead and can be driven
directly from a DC source. Figure 8 and 9 are not tempera-
ture compensated.
100kW
VREG
CS8191
CP-
VIN 100kW
0V to 4V DC
100kW
CS8191
BIAS +
CP- -
+ 10kW
- F/VOUT
10kW
VIN
2V to 6V DC
N/C BIAS
F/VOUT
100kW
100kW
Figure 8. Driving the CS8191 from an external DC voltage.
Figure 9. Driving the CS8191 from an external DC voltage using an Op
Amp Buffer.
7

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관련 데이터시트

부품번호상세설명 및 기능제조사
CS8191XDWF20

Precision Air-Core Tach/Speedo Driver with Short Circuit Protection

Cherry Semiconductor Corporation
Cherry Semiconductor Corporation

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