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PDF TLE4946-2L Data sheet ( Hoja de datos )
| Número de pieza | TLE4946-2L | |
| Descripción | High Precision Hall Effect Latch | |
| Fabricantes | Infineon | |
| Logotipo |  |
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TLE4946-2L
High Precision Hall Effect Latch
TLE4946-2L
June 2008
Datasheet
Rev 1.0
Sensors
1 page  
High Precision Hall Effect Latch
TLE4946-2L
1 Product Description
1.1 Overview
The TLE4946-2L is a high precision Hall effect latch
with highly accurate switching thresholds for operating
temperatures up to 150°C.
1.2 Features
• 2.7 V to 18 V supply voltage operation
• 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 (Vs = -18V)
• Superior temperature stability
• Peak temperatures up to 195°C without damage
• Low jitter (typ. 1µs)
• High ESD performance (± 4 kV HBM)
• Digital output signal
1.3 Target Applications
The TLE4946-2L is an integrated circuit Hall-effect sensor with low switching thresholds and low hysteresis. It is
specially designed for high sensitivity applications and is ideally suited to detect the rotor position in a BLDC motor.
Also for index counting with small pole wheels and large air gaps the sensor provides a reliable switching
information.
2 Functional Description
2.1 General
Precise magnetic switching thresholds and high temperature stability are achieved by active compensation circuits
and chopper techniques on chip. Offset voltages, generated by temperature induced stress or overmolding are
canceled and high accuracy is achieved. The IC has an open collector output stage with 20mA current sink
capability. A wide operating voltage range form 2.7V to 18V with reverse polarity protection up to -18V makes the
device suitable for a wide range of applications. A magnetic south pole with field strength above Bop turns the
output on and a magnetic north pole exceeding Brp turns it off.
Product Name
Hall Effect Latch
Datasheet
Product Type
TLE4946-2L
Ordering Code
SP000398352
5
Package
PG-SSO-3-2
Rev 1.0, 2008-06
5 Page 
0.8 ±0.1 x 45˚
7˚
4.16 ±0.05
4.06 ±0.08
1.9 MAX.
0.2
0.6 MAX.
0.4 ±0.05
123
1.27±0.25
1.27±0.25
12.7 ±1
TLE4946-2L
Package Information
2A
1.52 ±0.05
(0.79)
0.2 +0.1
6.35 ±0.4
4 ±0.3
12.7 ±0.3
1) No solder function area
Total tolerance at 10 pitches ±1
Figure 7 Package outline
A Adhesive
Tape
Tape
0.25 -0.15
0.39 ±0.1
GPO05358
Datasheet
11 Rev 1.0, 2008-06
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet TLE4946-2L.PDF ] | |
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