Renesas Electronics Simplifies Power Supply Design for Automotive Surround View Camera Systems

Highly Integrated ISL78083 Automotive Camera PMIC Provides Multiple Features and Power Density to Fit Ever-Shrinking HD Camera Modules

TOKYO — (BUSINESS WIRE) — January 8, 2020 — Renesas Electronics Corporation (TSE:6723), a premier supplier of advanced semiconductor solutions, today announced the ISL78083, a highly integrated power management IC (PMIC) that simplifies power supply design for use in multiple HD camera modules, reducing development cycles, bill of materials (BOM) cost and supply chain risks. The automotive camera PMIC accepts direct-from-battery (36-42V) or power-over-coax (15-18V) supply sources and supports output currents up to 750mA per output. This power level offers ample headroom for existing image sensors up to 7-megapixel and future sensors with even higher resolution.

“The innovative ISL78083 PMIC expands Renesas’ support for automotive surround view camera systems beyond the image processing capabilities of the R-Car SoC and into the design of the HD satellite cameras,” said Niall Lyne, Senior Director, Automotive Business Unit at Renesas. “Cameras designed with the ISL78083 are smaller and can be conveniently mounted in vehicle locations that provide the desired surround view camera angles without negatively impacting style or aerodynamics.”

The feature-rich 4-channel ISL78083 automotive camera PMIC includes a primary high-voltage synchronous buck regulator, two secondary low-voltage synchronous buck regulators, and a low-dropout (LDO) voltage regulator. With integrated feedback and integrated compensation, all that is left to complete the high efficiency power supply is the output inductor and capacitors. The ISL78083 minimizes BOM cost, requiring 7-10 less external components compared to competing solutions. The ISL78083 also features four overvoltage (OV) and four undervoltage (UV) monitors, three power-good indicators and a reset output/fault indicator. A second reference is supplied for the OV/UV monitors.

Key Features of ISL78083 Automotive Camera PMIC

  • Input voltage of 4V to 42V supports power-over-coax or direct from a 12V battery power source
  • Three buck regulators provide programmable output ranges from 1V to 5.05V, and the LDO supports 2.8V to 3.4V
  • 2.2MHz switching frequency avoids AM band interference and shrinks the required output capacitance and inductance
  • An optional spread spectrum feature addresses EMC/EMI interference challenges
  • Wettable flank package improves reliability of solder connections and enables optical inspection of solder joints for lower cost manufacturing
  • AEC-Q100 Grade-1 qualified for ambient operation from -40°C to +125°C, and junction temperature from -40°C to +150°C

Availability

Mass production quantities of the ISL78083 automotive camera PMIC are available now in a 4mm x 4mm, 24-lead SCQFN wettable flank package. For more information on the ISL78083 and evaluation board, please visit: www.renesas.com/products/isl78083.

About Renesas Electronics Corporation

Renesas Electronics Corporation ( TSE: 6723) delivers trusted embedded design innovation with complete semiconductor solutions that enable billions of connected, intelligent devices to enhance the way people work and live. A global leader in microcontrollers, analog, power, and SoC products, Renesas provides comprehensive solutions for a broad range of automotive, industrial, home electronics, office automation, and information communication technology applications that help shape a limitless future. Learn more at renesas.com.

(Remarks) All names of products or services mentioned in this press release are trademarks or registered trademarks of their respective owners.



Contact:

Mark Alden
Renesas Electronics Corporation
+ 1-408-546-3402
mark.alden.eb@renesas.com




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