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PDF TCA505BG Data sheet ( Hoja de datos )

Número de pieza TCA505BG
Descripción IC for Inductive Proximity Switches with Short-Circuit Protection
Fabricantes Siemens Semiconductor 
Logotipo Siemens Semiconductor Logotipo



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TCA 505 BG
IC for Inductive Proximity Switches
with Short-Circuit Protection
Preliminary Data
Features
q Wide supply voltage of 3.1 to 4.5 V
and 4 to 40 V
q Low current consumption of less than 0.8 mA
q Integrated output stage for up to 60 mA
output current
q Short-circuit and overload protection of output
stages and external components
q Temperature response of the IC compensates
that of the coil
q High noise immunity
q High switching frequencies up to 5 kHz
q Useful extra functions
q Suitable for two-wire AC proximity switches
q Temperature range – 40 to 110 ˚C
TCA 505 BG
Bipolar IC
P-DSO-16-1
Type
Ordering Code
TCA 505 BG Q67000-A8341
TCA 505 B Q67000-A8342
Package
P-DSO-16-1 (SMD)
Chip
Besides its basic functions (oscillator, demodulator and threshold switch), the bipolar
monolithic IC TCA 505 B includes a number of useful extra functions that enable high-grade,
inductive proximity switches to be designed for an attractive price/performance ratio and with
space savings.
Compared to earlier ICs for inductive proximity switches temperature drift, noise immunity and
the switching frequency of the IC have been improved.
Semiconductor Group
1
01.96

1 page




TCA505BG pdf
TCA 505 BG
Circuit Diagram (simplified)
Semiconductor Group
5

5 Page





TCA505BG arduino
TCA 505 BG
Characteristics (cont’d)
4 V VS 40 V; TA = – 40 to 110 ˚C
Parameter
Symbol
Limit Values
Unit Test
min. typ. max.
Circuit
Two-Wire Regulator (VT)
Turn-ON threshold
(outputs active) S1 = ON
Turn-ON threshold
(outputs disabled) S1 = ON
Hysteresis VTON2 VTOFF2, S1 = ON
VTON2
6.7
VTOFF2
Hy 2
5.0
1.6
8
6
2
9.3 V
7.0 V
2.4 V
1
1
1
Turn-ON, Turn-OFF and Short-Circuit Delay (CD)
Turn-ON delay S1 = OFF
Turn-OFF delay S1 = OFF;
VS 3.6 V
Shortcircuit turn-off delay
S1 = OFF
Shortcircuit pause S1 = OFF
tDON 0.49
tVA 17.0
tSC 1.70
tP 0.36
0.65
25
2.5
0.5
0.82
34.0
3.40
0.65
ms/nF 2
µs/nF 2
µs/nF 2
ms/nF 2
Outputs (Q1, Q2, Q3, Q4)
Residual voltage
Q1-Q2, Q3-Q4
SQ2 0-1 = ON, SQ4 0-1 = ON
S1 = OFF
IQ = 5 mA
IQ = 60 mA
IQ = 60 mA
Reverse current on Q1, 3
Residual current on Q2, 4*)
Q2, 4 conducting but Q1, 3 open
In case of short-circuit output current
VQRes
VQR
VQR
VQR
IQR
IQres
IQSC
0.10 0.14
0.5 0.99
VS – 2.2 VS –1.8
10
50
V
V
V
µA
µA
1
1
1
1
300 500 mA 1
Shortcircuit Detector (SC)
Trigger level ref. to VS, S1 = OFF
Trigger current S1 = OFF
Trigger level ref. to ground S1 = OFF
Trigger current S1 = OFF
VSCS
ISCS
VSCO
ISCO
0.255 0.3
0.255 0.3
0.345
30
0.345
6
V
µA
V
µA
1
1
1
1
Semiconductor Group
11

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