Infineon LITIX Power TLD5190-1QV User manual

LITIX™ Power
TLD5190-1QV System Demoboard V1
LITIX_V1
15.06.2016
ATV BP LI
www.infineon.com/litix

Board description
›Credit card sized LED driver in high efficient H-Bridge topology
›1A LED driver in current control mode
›Supply voltage range: 8V –40V
›Short circuit detection treshold: 21.6V
›Output overvoltage protection threshold: 55V
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Jumper Settings
›Jumper J1: Compensation network
–1-2 closed: Ccomp = 6.8nF
–3-4 closed: Ccomp = 10nF (default setting)
–5-6 closed: Ccomp = 22nF
–7-8 closed: Ccomp = not mounted
›Jumper J2: Set Pin configuration
–Closed: Set pin connected to fixed voltage
–Open: Output current can be set externally over TPSET
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Quick Start
›Connect battery to VS and GND (8V –40V)
›Connect LED load (e.g. 10 white LEDs) to OUT+ and OUT-
–LED forward voltage has to be within short circuit and output
overvoltage protection values.
›Select compensation network (default 10nF J1 position 3-4 closed)
›Close JP2
›Connect TPEN (low active) and TPPWMI to digital supply (e.g. 5V)
›Switch ON supply
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Quick Start cont’d
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LED current dimming
The LED current can be dimmed analog or digital:
›Analog: Open JP2 and force external reference voltage to TPSET
(optional: Close JP2 + change of resistor RSET1 and RSET2)
›Digital: Apply a PWM signal (e.g. 200Hz 25%DC) to TPPWMI
Please refer to TLD5190-1QV DS for detailed information
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Short circuit and overvoltage protection
Short circuit and overvoltage protection thresholds are set to
›  



= 55V
›  

 

= 21.6V
using the external circuitry of the IC. The thresholds can be
changed by adapting resistor RVFB1 and RVFB2. Please refer to the
datasheet for detailed information of the component selection
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2016-06-15 Copyright © Infineon Technologies AG 2016. All rights reserved.

Schematic and board layout
›The schematic and layout designs are shown on the following
two pages.
›The visible content (copper layers, names,…) can be activated or
deactivated using the PDF reader layer settings.
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2016-06-15 Copyright © Infineon Technologies AG 2016. All rights reserved.

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Published by Infineon Technologies AG, Am Campeon 1-12, 85579 Neubiberg, Germany
© Infineon Technologies AG 2015. All Rights Reserved.
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PRESENTATION.
For more information, please visit:
http://www.infineon.com/LITIX
Thank you very much
for your attention