TCA505BG ,Function and Industrial ICsFunctional Description and ApplicationOperation Schematic
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TCA505BG
Function and Industrial ICs
SIEMENS
IC for Inductive Proximity Switches TCA 505 BG
with Short-Circuit Protection
Preliminary Data Bipolar IC
Features
0 Wide supply voltage of 3.1 to 4.5 V
and 4 to 40 V
0 Low current consumption of less than 0.8 mA
0 Integrated output stage for up to 60 mA tgiitiiF
output current
0 Short-circuit and overload protection of output
stages and external components P-DSO-16-1
0 Temperature response of the IC compensates
that of the coil
High noise immunity
High switching frequencies up to 5 kHz
Useful extra functions
Suitable for two-wire AC proximity switches
Temperature range - 40 to 110 (
Type Ordering Code Package
TCA 505 BG Q67000-A8341 P-DSO-16-1 (SMD)
TCA 505 B Q67000-A8342 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
SIEMENS
TCA 505 BG
TCA505BG
LCEE1 1633vT
R0333 15335D
NICE} 143218
(113:4 1333vREF
RHYEES 1233vS
SEEEé 113301
GNDIZE7 103302
041:1:8 93303
IEPOO81S
Pin Configurations
(top view)
Pin Definitions and Functions
Pin Symbol Function
1 LC Oscillator
2 RDi Distance
3 N.C. Not connected
4 C1 Integrating capacitance
5 RHy Hysteresis
6 SC Short-circuit detector
7 GND Ground
8 Q4 Output
9 Q3 Output
1O Q2 Output
11 Q1 Output
12 Vs Supply voltage
13 VREF Reference voltage
14 B Base Output Transistors
15 CD Turn-ON delay / Short-circuit delay
16 VT Two-wire regulator
Semiconductor Group
