TLD1124EL Infineon

LITIX Basic TLD1124EL 1 Channel High-Side Current Source Package PG-SSOP-14 Marking TLD1124 1 Overview Applications Exterior LED lighting applications such as tail/brake light, turn indicator, position light, side marker,... Interior LED lighting applications such as ambient lighting, interior illumination and dash board lighting. VBATT GND ISO-Pulse Internal protection circuit supply depending on requirements Thermal Output protection control OUT DEN Diagnosis enable IN SET Current adjustment Status TLD1124EL to other LITIX Basic * In case PWM via VS is performed ** For EMI improvement if required Application Diagram with TLD1124EL Data Sheet Rev. 1.21 www.infineon.com 2021-07-05 C =2.2F mod R SET C =4.7nF VS VS 470k* ST C =100pF** ST GND 4.7nF** LITIX Basic TLD1124EL Overview Basic Features 1 Channel device with integrated output stage (current source), optimized to drive LEDs with output current up to 360 mA Low current consumption PWM-operation supported via VS-pin Output current adjustable via external low power resistor and possibility to connect PTC resistor for LED protection during over temperature conditions Reverse polarity protection and overload protection Undervoltage detection Open load and short circuit to GND diagnosis Wide temperature range: -40C < T < 150C j PG-SSOP-14 package with exposed heatslug Description The LITIX Basic TLD1124EL is a one channel high side driver IC with integrated output stage. It is designed to control LEDs with a current up to 360 mA. In typical automotive applications the device is capable to drive i.e. 3 red LEDs with a current up to 180 mA, which is limited by thermal cooling aspects. The output current is controlled practically independent of load and supply voltage changes. Table1 Product Summary Parameter Symbol Value Operating voltage range V 5.5 V ... 40 V S(nom) Maximum voltage V 40 V S(max) V OUT(max) Nominal output (load) current I 180 mA when using a supply voltage range of 8 V - 18 V (e.g. OUT(nom) Automotive car battery). Currents up to I possible in OUT(max) applications with low thermal resistance R thJA Maximum output (load) current I 360 mA depending on thermal resistance R OUT(max) thJA 2250 7% Output current accuracy at R = 12 k k SET LT Protective Functions ESD protection Under voltage lock out Over Load protection Over Temperature protection Reverse Polarity protection Diagnostic Functions Diagnosis enable function OL detection SC to Vs (indicated by OL diagnosis) SC to GND detection Data Sheet 2 Rev. 1.21 2021-07-05