STEVAL-IFS004V1 Metal body proximity detector based on the TDE0160 Features

STEVAL-IFS004V1 Metal body proximity detector based on the TDE0160 Features
STEVAL-IFS004V1
Metal body proximity detector based on the TDE0160
Data Brief
Features
■
Supply voltage: +4 V to +36 V
■
Supply current: <1.2 mA
■
Loss resistance: 5 kΩ to 50 kΩ
■
Oscillator frequency: <1 MHz
■
Output transistor: IC= 20 mA, VCE(sat) < 1.1 V
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Description
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This demonstration board is based on the
TDE0160, a device designed to detect metal
bodies using the effect of eddy currents on the HF
losses of a coil. It has two complementary open
collector outputs with peak limiting. Hysteresis is
adjustable, and an electronic switching circuit is
incorporated for disabling both outputs. An
internal Zener diode maintains “dipole” operation
of the supply voltage to the circuit.
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STEVAL-IFS004V1
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August 2008
Rev 2
For further information contact your local STMicroelectronics sales office.
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Bill of material and electrical schematic
STEVAL-IFS004V1
1
Bill of material and electrical schematic
1.1
Bill of material
Table 1.
BOM list
Component
Value
Description
Ca
10 nF, 50 V
SMD capacitor 1206 size
Cd
10 nF, 50 V
SMD capacitor 1206 size
Cf
1 nF, 50 V
SMD capacitor 1206 size
Co
390 pF, 50 V
SMD capacitor 1206 size
IC1
TDE0160FP
ST IC SO14 package
Lo
68 µH
M1
Screw plug 3 position
Sub miniaturization plug
Rd
10 Ω
SMD resistor 1206 size
Rh
8.2 kΩ
SMD resistor 1206 size
Rl
3.3 kΩ
SMD resistor 1206 size
Rs
1 kΩ
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B82462-4683K (1)
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SMD resistor 1206 size
1. This component must be assembled on an external support
Schematic
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Electrical schematics
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STEVAL-IFS004V1
Bill of material and electrical schematic
Top overlay (1)
Figure 2.
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Bottom overlay (1)
Figure 3.
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1. Not to scale
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Revision history
2
STEVAL-IFS004V1
Revision history
Table 2.
Document revision history
Date
Revision
Changes
02-Apr-2008
1
Initial release
04-Aug-2008
2
Minor changes to the Description text.
Modified the Co capacitor value in Table 1: BOM list and Figure 1:
Schematic.
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STEVAL-IFS004V1
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