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TLE5206-2GP |TLE52062GPINFINEONN/a1700avaiSmart Motorbridges + Driver ICs


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TLE5206-2GP
Smart Motorbridges + Driver ICs
high and brake low are invoked from just two control pins with TTL/CMOS compatible
levels. The combination of an extremely low RDSON and the use of a power IC package
with low thermal resistance and high thermal capacity helps to minimize system power
dissipation. A blocking capacitor at the supply voltage is the only external circuitry due
to the integrated freewheeling diodes.
1Overview
1.1Features
Delivers up to 5A continuous 6Apeak currentOptimized for DC motor management applicationsOperates at supply voltages up to 40 V
Very low RDSON; typ. 200 mΩ @25°C per switchOutput full short circuit protectedOvertemperature protection with hysteresis
and diagnosisShort circuit diagnosis with open drain error flagUndervoltage lockoutCMOS/TTL compatible inputs with hysteresisNo crossover currentInternal freewheeling diodesWide temperature range; −40°C
Description
The TLE 5206-2 is an integrated power H-bridge with
DMOS output stages for driving DC-Motors. The part is
built using the SIEMENS multi-technology process
SPT® which allows bipolar and CMOS control circuitry
plus DMOS power devices to exist on the same
monolithic structure.
Operation modes forward (cw), reverse (ccw), brake
5-A H-Bridge for DC-Motor ApplicationsTLE 5206-2




Overview
1.2Pin Configuration (top view)


Figure1

Overview
1.3Pin Definitions and Functions
Overview
1.4Functional Block Diagram
Figure2Block Diagram
Overview
1.5Circuit Description
Input Circuit

The control inputs consist of TTL/CMOS-compatible schmitt-triggers with hysteresis.
Buffer amplifiers are driven by this stages.
Output Stages

The output stages consist of a DMOS H-bridge. Integrated circuits protect the outputs
against short-circuit to ground and to the supply voltage. Positive and negative voltage
spikes, which occur when switching inductive loads, are limited by integrated
freewheeling diodes.
A monitoring circuit for each output transistor detects whether the particular transitor is
active and in this case prevents the corresponding source transistor (sink transistor) from
conducting in sink operation (source operation). Therefore no crossover currents can
occur.
1.6Input Logic Truth Table
Functional Truth Table
Notes for Output Stage
Overview
1.7Monitoring Functions

Undervoltage lockout (UVLO):
When VS reaches the switch on voltage VSON the IC becomes active with a hysteresis.
All output transistors are switched off if the supply voltage VS drops below the switch off
value VSOFF.
1.8Protective Function

Various errors like short-circuit to +VS, ground or across the load are detected. All faults
result in turn-OFF of the output stages after a delay of 50μs and setting of the error flag
EF to ground. Changing the inputs resets the error flag.Output Shorted to Ground Detection
If a high side transistor is switched on and its output is shorted to ground, the output
current is internally limited. After a delay of 50 μs all outputs will be switched-OFF and
the error flag is set.Output Shorted to + VS Detection
If a low side transistor is switched on and its output is shorted to the supply voltage,
the output current is internally limited. After a delay of 50 μs all outputs will be
switched-OFF and the error flag is set.Overload Detection
An internal circuit detects if the current through the low side transistor exceeds the
trippoint ISDL. In this case all outputs are turned off after 50 μs and the error flag is set.Overtemperature Protection
At a junction temperature higher than 150 °C the thermal shutdown turns-OFF, all four
output stages commonly and the error flag is set with a delay.
DiagnosisDiagnosis
Various errors as listed in the table “Diagnosis” are detected. Short circuits and overload
result in turning off the output stages after a delay tdSD and setting the error flag
simultaneously [EF=L]. Changing the inputs to a state where the fault is not detectable
resets the error flag (input toggling) with the exception of short circuit from OUT1 to
OUT2 (load short circuit).
IN:0 = Logic LOWOUT:Z = Output in tristate conditionEF:1 = No error
1 = Logic HIGHL = Output in sink condition0 = Error
H = Output in source condition
X = Voltage level undefined
For Open circuit detection, use the TLE 5205-2.
Electrical CharacteristicsElectrical Characteristics
Note:Maximum ratings are absolute ratings; exceeding any one of these values may
cause irreversible damage to the integrated circuit.
3.1Absolute Maximum Ratings

– 40 °C < Tj < 150 °C
Voltages
Currents of DMOS-Transistors and Freewheeling Diodes
Temperatures
Thermal Resistances
Electrical Characteristics

3.2Operating Range
3.3Electrical Characteristics

6 V < VS < 18 V; IN1 = IN2 = HIGHOUT1,2 = 0 A (No load); – 40 °C < Tj < 150 °C; unless otherwise specified
Current Consumption
Under Voltage Lockout
Electrical Characteristics
Outputs OUT1, 2
Static Drain-Source-On Resistance

Note:Values of RDS ON for VS ON
Overcurrent
3.3Electrical Characteristics (cont’d)
6 V < VS < 18 V; IN1 = IN2 = HIGHOUT1,2 = 0 A (No load); – 40 °C < Tj < 150 °C; unless otherwise specified
Electrical Characteristics
Short Circuit Current Limitation
Output Delay Times (Device Active for t > 1 ms)
Output Switching Times (Device Active for t > 1 ms)
Clamp Diodes
Forward Voltage
3.3Electrical Characteristics (cont’d)

6 V < VS < 18 V; IN1 = IN2 = HIGHOUT1,2 = 0 A (No load); – 40 °C < Tj < 150 °C; unless otherwise specified
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