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Optoelectronics
Renesas Electronics has introduced the RAA489118 buck-boost battery charger and the RAA489400 USB Type-C port controller. Together, these two new integrated circuits (ics) provide superior Extended Power Range (EPR) USB Power Supply (PD) solutions.
Renesas Electronics is a global pioneer in USB-PD solutions, offering a wide range of components, including turnkey solutions for a variety of applications. Renesas Electronics helps customers accelerate time to market with a comprehensive development environment and pre-certified USB-IF reference design. Renesas USB-PD solutions offer superior quality and safety, as well as extremely high efficiency and power density.
The RAA489118 can be used as a battery charger with 2 to 7 batteries in series, or as a voltage regulator with 30V input and output. It uses Renesas' proprietary R3™ (Robust Ripple Regulator) technology, which integrates the best features of fixed frequency and hysteresis pulse width modulation (PWM) technology. R3 modulation technology provides quiet operation, fast dynamic response and superior light load efficiency for extended battery life.
The RAA489118 has a SMBus (System Management Bus) interface and is commonly used in power tools, household appliances, and light industrial applications. The SMBus interface, along with buck and bidirectional capabilities, enables the RAA489118 to be tightly integrated with the RAA489400 and other components in USB-C PD applications. The input and output voltage level corresponds to the standard solar power supply voltage level, which is very suitable for solar mobile power station applications.
The RAA489400 port controller can accommodate USB-PD VBUS power levels up to 48V/5A. It includes an integrated PHY, Sink, and source power path gate driver with external non-field effect tubes, short circuit safety, VBUS discharge, VCONN multiplexer, and dead battery support.
The RAA489118 is packaged in a 4×4 mm 32-pin TQFN package, while the RAA489400 is packaged in a 3×5 mm 32-pin FCQFN package. Both are currently available from Renesas Electronics. A wide range of design assistance and resources, including VIDWriter setup tools and battery charger GUI software for design configuration, are also accessible.
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