PDF TLD5541-1QV Data sheet ( Hoja de datos )

Número de pieza	TLD5541-1QV
Descripción	H-Bridge DC/DC Controller
Fabricantes	Infineon
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No Preview Available ! Infineon® LITIX™ Power Flex H-Bridge DC/DC Controller with SPI Interface H-Bridge DC/DC Controller for High Power LED Lighting TLD5541-1QV Data Sheet Rev. 1.0, 2016-05-20 Automotive Power 1 page H-Bridge DC/DC Controller with SPI Interface TLD5541-1QV Overview Table 1 Product Summary Power Stage input voltage range Device Input supply voltage range Maximum output voltage (depending by the application conditions) VPOW VVIN VOUT(max) Switching Frequency range, Typical NMOS driver on-state resistance at Tj = 25°C (Gate Pull Up) Typical NMOS driver on-state resistance at Tj = 25°C (Gate Pull Down) SPI clock frequency fSW RDS(ON_PU) RDS(ON_PD) fSCLK(MAX) Protective Functions • Over load protection of external MOSFETs • Shorted load, open load, output overvoltage protection • Input overvoltage and undervoltage protection • Thermal shutdown of device with autorestart behavior • Electrostatic discharge protection (ESD) 4.5 V … 55 V 4.5 V … 40 V 55 V as LED Driver Boost Mode 50 V as LED Driver Buck Mode 50 V as Voltage regulator 200 kHz... 700 kHz 2.3 Ω 1.2 Ω 5 MHz Diagnostic Functions • Latched diagnostic information via SPI • Open load detection in ON-state • Device Overtemperature shutdown and Temperature Prewarning • Smart monitoring and advanced functions provide ILED and IIN information Limp Home Function • Limp Home activation via LHI pin Applications • Especially designed for driving high power LEDs in automotive applications • Automotive Exterior Lighting: full LED headlamp assemblies (Low Beam, High Beam, Matrix Beam, Pixel Light) • General purpose current/voltage controlled DC/DC LED driver Data Sheet 5 Rev. 1.0, 2016-05-20 5 Page H-Bridge DC/DC Controller with SPI Interface TLD5541-1QV General Product Characteristics 4 General Product Characteristics 4.1 Absolute Maximum Ratings Table 2 Absolute Maximum Ratings1) Tj = -40°C to +150°C; all voltages with respect to AGND, (unless otherwise specified) Parameter Symbol Values Unit Note / Number Min. Typ. Max. Test Condition Supply Voltages VIN Supply Input VVIN -0.3 – 60 V– P_4.1.1 VDD Digital supply voltage VVDD -0.3 – 6 V– P_4.1.2 IVCC VIVCC Internal Linear Voltage Regulator Output voltage -0.3 – 6 V– P_4.1.3 IVCC_EXT External Linear Voltage Regulator Input voltage VIVCC_EXT -0.3 – 6 V– P_4.1.4 Gate Driver Stages LSGD1,2 - PGND1,2 Lowside Gatedriver voltage HSGD1,2 - SWN1,2 Highside Gatedriver voltage SWN1, SWN2 switching node voltage VLSGD1,2- -0.3 – 5.5 V– PGND VHSGD1,2- -0.3 – 5.5 V– SWN1,2 VSWN1, 2 -1 – 60 V– P_4.1.54 P_4.1.55 P_4.1.6 (BST1-SWN1), (BST2-SWN2) Boostrap voltage BST1, BST2 Boostrap voltage related to GND VBSTx- SWNx VBST1, 2 -0.3 -0.3 – – 6 65 V– V– P_4.1.7 P_4.1.8 SWCS Switch Current Sense Input voltage VSWCS -0.3 – 0.3 V – P_4.1.9 SGND Switch Current Sense GND voltage VSGND -0.3 – 0.3 V – P_4.1.10 SWCS-SGND VSWCS- -0.5 – 0.5 V– Switch Current Sense differential voltage SGND PGND1,2 VPGND1,2 -0.3 – 0.3 V– Power GND voltage P_4.1.11 P_4.1.28 High voltage Pins IIN1, IIN2 Input Current monitor voltage VIIN1, 2 -0.3 – 60 V– P_4.1.12 IIN1-IIN2 VIIN1-IIN2 -0.5 – 0.5 V– Input Current monitor differential voltage P_4.1.13 Data Sheet 11 Rev. 1.0, 2016-05-20 11 Page

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