D ata Sheet, V1.3, Dec 2007
Uni- and Bipolar Hall IC Switches for Magnetic Field Applications
TLE4905G; TLE4935G; TLE4945-2G
Sensors
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stop
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Edition 2007-12-05 published by Infineon Technologies AG, Am Campeon 1-12, 81726 München, Germany
© Infineon Technologies AG 2007. All Rights Reserved.
Attention please! The information herein is given to describe certain components and shall not be considered as a guarantee of characteristics. Terms of delivery and rights to technical change reserved. We hereby disclaim any and all warranties, including but not limited to warranties of non-infringement, regarding circuits, descriptions and charts stated herein. Information For further information on technology, delivery terms and conditions and prices please contact your nearest Infineon Technologies Office (www.infineon.com). Warnings Due to technical requirements components may contain dangerous substances. For information on the types in question please contact your nearest Infineon Technologies Office. Infineon Technologies Components may only be used in life-support devices or systems with the express written approval of Infineon Technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system, or to affect the safety or effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body, or to support and/or maintain and sustain and/or protect human life. If they fail, it is reasonable to assume that the health of the user or other persons may be endangered.
Uni- and Bipolar Hall IC Switches for Magnetic Field Applications
TLE4905G; TLE4935G; TLE4945-2G
Features • • • • • • Digital output signal For unipolar and alternating magnetic fields Large temperature range Temperature compensated magnetic performance Protection against reversed polarity Output protection against electrical disturbances SOT-89
Type TLE4905G TLE4935G TLE4945-2G
Marking 05 35 45 2
Ordering Code Q62705-K402 Q62705-K404 Q62705-K403
Package SOT-89 SOT-89 SOT-89
TLE4905/35/45-2 (Unipolar/Bipolar Magnetic Field Switches) have been designed specifically for automotive and industrial applications. Reverse polarity protection is included on-chip as is output protection against negative voltage transients. Typical applications are position/proximity indicators, brushless DC motor commutation, rotational indexing etc.
Data Sheet
3
V1.3, 2007-12-05
TLE4905G; TLE4935G; TLE4945-2G
Pin Configuration (view on branded side of component)
2.25 ±0.2
Center of sensitive area
1±0.2
1
2
3
AEP02150
Figure 1 Pin Definitions and Funtions Pin No. 1 2 3 Symbol Function Supply voltage Ground Output
VS
GND Q
Data Sheet
4
V1.3, 2007-12-05
TLE4905G; TLE4935G; TLE4945-2G
Circuit Description The circuit includes Hall generator, amplifier and Schmitt-Trigger on one chip. The internal reference provides the supply voltage for the components. A magnetic field perpendicular to the chip surface induces a voltage at the hall probe. This voltage is amplified and switches a Schmitt-trigger with open-collector output. A protection diode against reverse power supply is integrated. The output is protected against electrical disturbances.
Threshold Generator VS 1 HallGenerator VS VRef 3 Q
Amplifier
SchmittTrigger Output Stage
AEB01243
2 GND
Figure 2
Block Diagram
Data Sheet
5
V1.3, 2007-12-05
TLE4905G; TLE4935G; TLE4945-2G
Functional Description Unipolar Type TLE4905 (Figure 3 and 4) When a positive magnetic field is applied in the indicated direction (Figure 3) and the turn-on magnetic induction BOP is exceeded, the output of the Hall-effect IC will conduct (Operate Point). When the magnetic field is reduced to a value smaller than the release point, the output of the IC turns off (Release Point; Figure 4).
+ Branded Side
Ι
S
N
VQ
+
VS
-
AES01231
Figure 3
Sensor/Magnetic-Field Configuration
B
BOP BRP 0 VQ VQH Output Voltage VQL t
AED01420
Induction
t
Figure 4
Data Sheet
Switching Characteristics Unipolar Type
6 V1.3, 2007-12-05
TLE4905G; TLE4935G; TLE4945-2G
Functional Description Bipolar Type TLE4935/45-2 (Figure 5 and 6) When a positive magnetic field is applied in the indicated direction (Figure 5) and the turn-on magnetic induction BOP is exceeded, the output of the Hall-effect IC will conduct (Operate Point). The output state does not change unless a reverse magnetic field exceeding the turn-off magnetic induction |BRP| is exceeded. In this case the output will turn off (Release Point; Figure 6).
+ Branded Side
Ι
S
N
VQ
+
VS
-
AES01231
Figure 5
Sensor/Magnetic-Field Configuration
B
BOP 0 BRP t Induction
VQ VQH Output Voltage VQL t
AED01421
Figure 6
Data Sheet
Switching Characteristics Bipolar Type
7 V1.3, 2007-12-05
TLE4905G; TLE4935G; TLE4945-2G
Absolute Maximum Ratings Tj = – 40 to 150 °C Parameter Supply voltage Supply voltage Output voltage Output current Output reverse current Junction temperature Storage temperature Thermal resistance Symbol Limit Values Unit Remarks min. max. 32 40 32 100 100 150 150 100 V V V mA mA °C °C – – 40 – – – – – 40 – 50 –
VS VS VQ IQ – IQ Tj Tstg Rth JA
t < 400 ms; ν = 0.1
– – – – –
K/W –
Note: Stresses above those listed here may cause permanent damage to the device. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Operating Range Parameter Supply voltage Junction temperature Symbol Limit Values Unit Remarks min. max. 24 150 V °C – – 4.0 – 40
VS Tj
Note: In the operating range the functions given in the circuit description are fulfilled.
Data Sheet
8
V1.3, 2007-12-05
TLE4905G; TLE4935G; TLE4945-2G
AC/DC Characteristics 4.0 V ≤ VS ≤ 24 V; – 40 °C ≤ Tj ≤ 150 °C Parameter Supply current Symbol 1.6 – – – – – Limit Values min. typ. – 2.5 3.5 0.25 – – max. 5.0 – – 0.5 10 1 mA mA mA V µA µs Unit Test Condition Test Circuit 1 1 1 1 1 1
I ISHigh ISLow Output saturation VQSat
voltage Output leakage current Rise/fall time
B < BRP B > BOP
IQ = 40 mA VQ = 18 V
IQL tr / tf
RL = 1.2 kΩ CL ≤ 33 pF
Note: The listed characteristics are ensured over the operating range of the integrated circuit. Typical characteristics specify mean values expected over the production spread. If not otherwise specified, typical characteristics apply at Tj = 25 °C and the given supply voltage.
Data Sheet
9
V1.3, 2007-12-05
TLE4905G; TLE4935G; TLE4945-2G
Magnetic Characteristics 4.0 V ≤ VS ≤ 24 V Parameter Symbol TLE4905 unipolar min. Junction Temperature Tj = – 40 °C Turn-ON induction Turn-OFF induction Hysteresis (BOP-BRP) BOP BRP ∆BH 7.5 5.5 2 19 17 6.5 10 – 20 20 20 – 10 40 –3 –6 1 6 3 5 mT mT mT max. Limit Values TLE4935 bipolar latch min. max. TLE4945-2 bipolar switch min. max. Unit
Junction Temperature Tj = 25 °C Turn-ON induction Turn-OFF induction Hysteresis (BOP-BRP) BOP BRP ∆BH 7 5 2 18 16 6 10 – 20 20 20 – 10 40 –3 –6 1 6 3 5 mT mT mT
Junction Temperature Tj = 85 °C Turn-ON induction Turn-OFF induction Hysteresis (BOP-BRP) BOP BRP ∆BH 6.5 4.5 2 17.5 15 5.5 10 – 20 20 20 – 10 40 –3 –6 1 6 3 5 mT mT mT
Junction Temperature Tj = 150 °C Turn-ON induction Turn-OFF induction Hysteresis (BOP-BRP) BOP BRP ∆BH 6 4 2 17 14 5 10 – 20 20 20 – 10 40 –3 –6 1 6 3 5 mT mT mT
Note: The listed characteristics are ensured over the operating range of the integrated circuit. Typical characteristics specify mean values expected over the production spread. If not otherwise specified, typical characteristics apply at Tj = 25 °C and the given supply voltage.
Data Sheet
10
V1.3, 2007-12-05
TLE4905G; TLE4935G; TLE4945-2G
VS
ΙS
+ 4.7 nF RL CL
1
VS
2
GND
TLE 4905/35/35-2/45-2
3
ΙQ
Q
AES01244
Unipolar Type TLE4905
VQ VQH VQH
Bipolar Type TLE4935
VQ
VQL 0 B RP B HY B OP B
VQL B RP 0 B HY B OP B
AED01422
VQ VQH 0.9 VQH
0.1VQH
t tr tf
AED01246
Figure 7
Data Sheet
Test Circuit 1
11 V1.3, 2007-12-05
TLE4905G; TLE4935G; TLE4945-2G
Mainframe VS
Line 1 4.7 nF 1.2 k Ω 4.7 nF 2
Sensor
VS
GND
TLE 4905/35/35-2/45-2
Signal
3
Q
AES01247
Figure 8
Application Circuit
Data Sheet
12
V1.3, 2007-12-05
TLE4905G; TLE4935G; TLE4945-2G
If not otherwise specified, all curves reflect typical values at Tj = 25 °C and VS = 12 V
Quiescent Current Difference versus Temperature
1.0
AED01459
Saturation Voltage versus Output Current
1.2 VQ V 1.0
__ 4.0 V < VS < 24 V
AED02919
∆Ι S
mA ∆ Ι S = Ι SLow - Ι SHigh 0.75
Ι Q = 40 mA
0.8
0.5
0.6
T j = 125 ˚C
0.4
0.25
0.2
T j = -40 ˚C
0 -40
0
50
100
150 ˚C 200 Tj
0
0
20
40
60
mA
100
ΙQ
Quiescent Current versus Junction Temperature
ΙS
8 mA VQ = High 6
AED01249
TLE4905 Operate-and Release-Point versus Junction Temperature
25 B mT 20 B OPmax 15 B RPmax
AED03284
__ 4.0 V < VS < 24 V
4 VS = 24 V
10
2 VS = 4.0 V
5
B OPmin B RPmin
0 -50
0
50
100
C
Tj
200
0 -40
0
50
100
˚C
Tj
200
Data Sheet
13
V1.3, 2007-12-05
TLE4905G; TLE4935G; TLE4945-2G
TLE4935 Operate-and Release-Point versus Junction Temperature
30 B mT 20
AED03285
TTLE4945-2 Operate-and Release-Point versus Junction Temperature
18 B mT 12 B OPmax B RPmax 0
AED03288
__ 4.0 V < VS < 24 V
__ 4.0 V < VS < 24 V
B OPmax
6
10
B OPmin
0
-6
B OPmin B RPmin
-10
B RPmax
-12
-20 -40
0
50
100
B RPmin 200 ˚C
Tj
-18 -40
0
50
100
˚C
Tj
200
TLE4905 Hysteresis versus Junction Temperature
8 B mT 6 B HYmax 4
AED03287
__ 4.0 V < VS < 24 V
2
B HYmin
0 -40
0
50
100
˚C
Tj
200
Data Sheet
14
V1.3, 2007-12-05
TLE4905G; TLE4935G; TLE4945-2G
Package Outlines SOT-89 (SMD) (Plastic Small Outline Transistor Package)
4.5 45˚ 0.25 ±0.5 +0.2 acc. to DIN 6784 B 0.15 1.5 ±0.1 1.6 ±0.2
10˚ max
2.5 ±0.1
4 ±0.25
0.15 0.45 +0.2 -0.1 1.5 3
M
B
0.35 ±0.1
Package Information
d: Distance chip to upper side of IC SOT-89: 1.05 mm
d
AEA02487
Sorts of Packing
Package outlines for tubes, trays etc. are contained in our data book “Package Information“. SMD = Surface Mounted Device Data Sheet 15
Dimensions in mm V1.3, 2007-12-05
GPS05558
0.2 B
1.0 ±0.2
2.75 +0.1 -0.15
TLE4905G; TLE4935G; TLE4945-2G
Revision History:2007-12-05, V1.3 Previous Version: 2004-03-19, V1.2 Page all Subjects (major changes since last revision) TLE4935-2G removed
For questions on technology, delivery and prices please contact the Infineon Technologies offices in Germany or the Infineon Technologies Companies and Representatives worldwide: see our webpage at http://www.infineon.com
We Listen to Your Comments Any information within this document that you feel is wrong, unclear or missing at all? Your feedback will help us to continuously improve the quality of this document. Please send your proposal (including a reference to this document) to: sensors@infineon.com
Data Sheet
16
V1.3, 2007-12-05
www.infineon.com
Published by Infineon Technologies AG
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