TLD5190QV Datasheet, PDF (5/58 Pages) Infineon Technologies AG – H-Bridge DC/DC Controller for High Power LED Lighting

H-Bridge DC/DC Controller
TLD5190QV
Overview
Table 1 Product Summary
Power Stage input voltage range
Device Input supply voltage range
Maximum output voltage (depending by the
application conditions)
V_POW
V_VIN
V_OUT(max)
Switching Frequency range,
Typical NMOS driver on-state resistance at T_j =
25°C (Gate Pull Up)
Typical NMOS driver on-state resistance at T_j =
25°C (Gate Pull Down)
f_SW
R_{DS(ON_PU)}
R_{DS(ON_PD)}
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
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)
Diagnostic Functions
• Diagnostic information via Error Flags
• Open load detection in ON-state
• Device Overtemperature shutdown
• Advanced diagnostic functions provide I_LED and I_IN information
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