TLE4998P3C Infineon Technologies, TLE4998P3C Datasheet - Page 26

• Manufacturer Part Number: TLE4998P3C
• Description: IC HALL SENSOR LINEAR SSO-3
• Manufacturer: Infineon Technologies
• Type: Linear - Programmabler

Specifications of TLE4998P3C

• Sensing Range: -200mt Trip ~ 200mT Release
• Voltage - Supply: 4.5 V ~ 5.5 V
• Current - Supply: 8mA
• Current - Output (max): 5mA
• Output Type: Digital, PWM (Current)
• Operating Temperature: -40°C ~ 150°C
• Package / Case: 3-SIP, SSO-3-10
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Other names: SP000481486

2)
3)
8.1
The parameters TC
The digital output for a given field
by:
B
S
S
S
The pre-calibration at Infineon is performed such that the following condition is met:
Within the application, an additional factor
magnetic system.
is satisfied:
Therefore, the new sensitivity parameters
calibrated setup
Data Sheet
FSR
0
TC
TCHall
Relative range to Infineon TC2 temperature pre-calibration, the maximum adjustable range is limited by the
register-size and depends on specific pre-calibrated TQ setting, full adjustable range: -15 to +15 ppm/°C
Handled by algorithm only (see Application Note)
is the nominal sensitivity of the Hall probe times the Gain factor set in the EEPROM.
is the temperature-dependent sensitivity factor calculated by the DSP.
is the full range magnetic field. It is dependent on the range setting (e.g 100 mT).
is the temperature behavior of the Hall probe.
Parameter Calculation
--------------------
B
B
DY
IN
IN
S
(
T ( )
TC
S
T
OUT
TC
1
0
)
using the relationship:
and TC
then needs to be modified to
×
=
S
TCnew
2
⋅
--------------------
B
S
2
B



TC
TC
------------ -
B
IN
TC
may be calculated by:
IN
B
T ( ) S
FSR
(
IN
(
T ( )
T
2
1
T
B
0
J
×
=
=
)
×
IN
–
×
S
TQ
-----------------------
TL
--------------------- -
T
TCHall
8388608
at a specific temperature can then be calculated
S
TC
65536
0
TCnew
)
–
–
×
×
26
160
128
S
S
T ( )
TCHall
TCHall
S
B
T ( )
TCnew
IN
×
×
≈
(T) /
1000000
1000000
≈
S
S
(
TC
×
S
T
TCnew
TC
J
can be calculated from the pre-
S
B
T ( )
)
0
IN
≈
T ( )
×
(T
Temperature Compensation
1
×
4096
so that the following condition
0
S
) will be given due to the
TCHall



+
DY
T ( )
OS
≈
Rev 1.1, 2009-09
TLE4998P3C
1
2