Siemens TLE4211 Datasheet
Intelligent Double Low-Side Switch 2 × 2 A
Features
● Double low-side switch, 2 x 2 A
● Power limitation
● Overtemperature shutdown
● Status monitoring
● Shorted-load protection
● Reverse polarity protection
● Integrated clamp Z-Diodes
● Voltage proof up to 70 V
● Temperature range – 40 to 125 °C
TLE 4211
Bipolar IC
P-TO220-7-1
Type Ordering Code Package
TLE 4211 Q67000-A8118 P-TO220-7-1
Application
Applications in automotive electronics require intelligent power switches activated by
logic signals, which are shorted-load protected and provide error feedback.
The IC contains two of these power switches (low-side switch). In case of inductive loads
the integrated power Z-diodes clamp the discharging voltage.
With TTL signals at the control inputs (active low) both switches can be activated
independently of one another. If one of the inputs is not in use, it must be applied to high
potential.
The status output (open collector) signals the following malfunctions through low
potential:
● Overload,
● Open load,
● Output shorted to ground,
● Overvoltage.
Semiconductor Group 1 10.96
Pin Configuration
(top view)
TLE 4211
Semiconductor Group 2
Pin Definitions and Functions
Pin No. Symbol Function
1 STA Status output (open collector)
for both outputs; indicates overload, open load and shorted load to
ground as well as overvoltage at pin 7. In case of malfunction the
status output is switched to low after a delay time (except
overvoltage).
2 IN1 Control input 1 (TTL-compatible)
activates output transistor 1 in case of low-potential.
3Q1Output 1
Shorted-load protected, open collector output with 36 V clamp
Z-diode to ground.
TLE 4211
4 GND Ground
Wiring must be designed for a max. short-circuit current (2 x 3.5 A).
5Q2Output 2
Shorted-load protected, open collector output with 36 V clamp
Z-diode to ground.
6 IN2 Control input 2 (TTL-compatible)
activates output transistor 2 in case of low-potential.
7
V
S
Supply voltage
In case of overvoltage at this pin large sections of the circuit are
deactivated. The status output indicates the malfunction without
delay time.
Semiconductor Group 3
TLE 4211
Block Diagram
Semiconductor Group 4
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