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PDF TLE4906K Data sheet ( Hoja de datos )
| Número de pieza | TLE4906K | |
| Descripción | High Precision Hall Effect Switch | |
| Fabricantes | Infineon Technologies | |
| Logotipo |  |
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TLE4906K / TLE4906L
High Precision Hall Effect Switch
January 2009
Data Sheet
V 2.0
Sensors
1 page  
High Precision Hall-Effect Switch
TLE4906K
TLE4906L
1 Product Description
1.1 Overview
The TLE4906 is a high precision Hall effect switch with
highly accurate switching thresholds for operating
temperatures up to 150°C.
1.2 Features
• 2.7V to 24V supply voltage
• Operation from unregulated power supply
• High sensitivity and high stability of the magnetic switching points
• High resistance to mechanical stress by Active Error Compensation
• Reverse battery protection (-18V)
• Superior temperature stability
• Peak temperatures up to 195°C without damage
• Low jitter (typ. 1µs)
• High ESD performance (± 6kV HBM)
• Digital output signal
• SMD package SC59 (SOT23 compatible) - (TLE4906K))
• Leaded package PG-SSO-3-2 - (TLE4906L)
1.3 Target Applications
Target applications for TLE4906 are all automotive applications which require a high precision Hall switch for
position sensing with a operating temperature range from -40°C to +150°C.
Product Name
Hall Effect Switch
Hall Effect Switch
Data Sheet
Product Type
TLE4906K
TLE4906L
Ordering Code
SP000475028
SP000012949
3
Package
SC59
PG-SSO-3-2
V 2.0, 2009-01
5 Page 
TLE4906K
TLE4906L
Specification
3.3 Electrical and Magnetic Characteristics
Product characteristics involve the spread of values guaranteed within the specified voltage and ambient
temperature range. Typical characteristics are the median of the production.
Table 6 General Electrical Characteristics1)
Parameter
Symbol
Values
Unit Note / Test Condition
Min. Typ. Max.
Supply current
IS 2 4 6 mA VS = 2.7V ... 18V
Reverse current
ISR
0
0.2 1
mA VS = -18V
Output saturation voltage
VQSAT
-
0.3 0.6 V
IQ = 20mA
Output leakage current
IQLEAK
-
0.05 10
µA for VQ = 18V
Output fall time
Output rise time
tf
-
0.02 1
µs RL = 1.2kΩ; CL = 50pF
tr
-
0.4 1
µs see Figure 3
Chopper frequency
fOSC
-
320 -
kHz
Switching frequency fSW 0 - 152) kHz
Delay time3)
td
-
13 -
µs
Output jitter4)
tQJ
-
1-
µsRMS typical value for square wave
signal with 1kHz
Power-on time5)
Thermal resistance6)
tPON
-
13 -
µs VS ≥ 2.7V
RthJA
-
100 -
K/W SC59
- - 190
PG-SSO-3-2
1) over operating range, unless otherwise specified. Typical values correspond to VS = 12V and TA = 25°C
2) To operate the sensor at the max. switching frequency, the value of the magnetic signal amplitude must be 1.4 times higher
than for static fields. This is due to the -3dB corner frequency of the low pass filter in the signal path.
3) Systematic delay between magnetic threshold reached and output switching.
4) Jitter is the unpredictable deviation of the output switching delay.
5) Time from applying VS ≥ 2.7V to the sensor until the output state is valid.
6) Thermal resistance from junction to ambient.
Calculation of the ambient temperature (SC59 example)
e.g. for VS = 12.0V, IStyp = 4mA, VQSATtyp = 0.3V and IQ = 20mA
Power dissipation PDIS = 54.0mW
In TA = Tj - (RthJA x PDIS) = 175°C - (100K/W x 0.054W)
Resulting max. ambient temperature: TA = 169.6°C
Data Sheet
9 V 2.0, 2009-01
11 Page | ||
| Páginas | Total 17 Páginas | |
| PDF Descargar | [ Datasheet TLE4906K.PDF ] | |
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