TLD5542-1 Datasheet - Infineon

TLD5542-1, H-Bridge DC/DC Controller

TLD5542-1 H-Bridge DC/DC Controller with SPI Interface Infineon® LITIX™ Power Flex Package PG-VQFN-48 Marking TLD55421QV Sales Name TLD5542-1QV PG-TQ.
The TLD5542-1 is a synchronous MOSFET H-Bridge DC/DC controller with built in protection features and SPI interface.

Features

* Single inductor high power Buck-Boost controller
* Wide LED forward voltage range (2 V up to 55 V)
* Wide VIN range (IC 4.5 V to 40 V, power 4.5 V to 55 V)
* Switching frequency range from 200 kHz to 700 kHz
* SPI for diagnostics and control
* Maximu

Applications

* Especially designed for driving multiple high power LED functions (I. E. Low Beam, High Beam, DRL)
* Automotive Exterior Lighting: full LED headlamp assemblies
* General purpose DC/DC voltage regulator Datasheet 2 Rev. 1.10 2019-12-11 TLD5542-1 H-Bridge DC/DC Controller

TLD5542-1-Infineon.pdf