Infineon LITIX Power H-Bridge DC/DC Controller H-Bridge DC/DC Controller for High Power LED Lighting TLD5190QV Data Sheet Rev. 1.0, 2016-05-20 Automotive Power H-Bridge DC/DC Controller TLD5190QV Table of Contents 1 Overview . 4 2 Block Diagram . 6 3 Pin Configuration 7 3.1 Pin Assignment . 7 3.2 Pin Definitions and Functions 8 4 General Product Characteristics . 11 4.1 Absolute Maximum Ratings 11 4.2 Functional Range 13 4.3 Thermal Resistance 13 5 Power Supply 15 5.1 Different Power States 17 5.2 Electrical Characteristics 18 6 Regulator Description . 19 6.1 Regulator Diagram Description 19 6.2 Adjustable Soft Start Ramp 21 6.3 Switching Frequency setup . 21 6.4 Operation of 4 switches H-Bridge architecture 22 6.4.1 Boost mode (V < V ) . 22 IN OUT 6.4.2 Buck mode (V > V ) 23 IN OUT 6.4.3 Buck-Boost mode (V ~ V ) 24 IN OUT 6.5 Flexible current sense 25 6.6 Programming Output Voltage (Constant Voltage Regulation) 26 6.7 Electrical Characteristics 27 7 Digital Dimming Function 30 7.1 Description . 30 7.2 Electrical Characteristics 32 8 Analog Dimming 33 8.1 Description . 33 8.2 Electrical Characteristics 34 9 Linear Regulator 36 9.1 IVCC Description 36 9.2 Electrical Characteristics 37 10 Protection and Diagnostic Functions . 38 10.1 Description . 38 10.2 Overvoltage, Open Load, Short circuit protection 39 10.2.1 Short Circuit protection 39 10.2.2 Overvoltage Protection 39 10.2.3 Open Load Protection . 40 10.3 Input voltage monitoring, protection and power derating 40 10.4 Input current Monitoring . 42 10.5 Output current Monitoring . 42 10.6 Device Temperature Monitoring 43 10.7 Electrical Characteristics 44 11 Infineon FLAT SPECTRUM Featureset 45 11.1 Description . 45 Data Sheet 2 Rev. 1.0, 2016-05-20