R-Car S4 Development Board/Spider
This solution provides a complete development environment with hardware and software for automotive gateway applications to support the new E/E architecture.
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Overview
Description
The RAA271005 is a general purpose Power Management IC (PMIC) suitable for R-Car SoC series. It contains five DC/DC switching regulators and six low-drop out linear regulators (LDO). DCDC5 switching regulator can be configured to work in buck mode, or can be configured as a boost.
The RAA271005 PMIC supports low power operation, where three of the switching regulators (Buck3–Buck5) have been optimized to consume low quiescent current.
RAA271005 supports up to ASIL D functional safety, and includes an independent reference for monitoring of the output voltages, dual internal temperature monitors, challenge response watchdog timer, SoC and MCU error pin monitors, reset generator, a dedicated safety-control state machine, and safety shutdown path. An integrated 12-bit ADC monitors all input rails, output rails, internal temperature, and includes additional inputs to monitor external analog sources.
RAA271005 is available in a 6 × 11 BGA package, with 0.65mm pitch. The device is offered as AECQ100 Grade 1 operation, supporting an ambient temperature range of -40°C to +125°C.
See also the RAA271041. This product works together with the RAA271005 to support RCAR-S4.
Features
- Input Voltage Range 2.7V–5.5V
- 5 High Efficiency Switching Regulators with adjustable output voltages
- 12A (Buck1); VOUT from 0.3V to 3.3V
- 2.5A (Buck2–Buck5); VOUT from 0.3V to 3.3V
- Merge-mode 2 × 2.5A regulators = 5A
- Buck5 can operate as asynchronous boost
- 6 Linear Drop Out (LDO) Regulators
- 4 × 60mA; VOUT = 1.8V or 3.3V
- 2 × 500mA; VOUT = 0.6V to 3.3V
- Programmable current limits for all bucks
- 12-bit Analog to Digital converter for monitoring with programmable OV/UV thresholds
- Programmable power sequence. Fully supports S4 sequence requirements
- Low-Iq Deep-stop / Always On (AWO) Mode
- Suspend-to-RAM / DDR-backup Mode
- Supports R-Car Soc Activation
- Q&A Watchdog Timer
- Configurable through I2C or SPI interface
- SoC and MCU error pin monitors
- AEC-Q100 Grade 1 qualified
Comparison
Applications
- Vehicle Computers
- Communication Gateway
- Domain Server
- Application Server
Documentation
Featured Documentation
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Design & Development
Boards & Kits
R-Car V4H System Evaluation Board Set/White Hawk
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Vehicle Computer Generation 4
The VC4 is based on a complete Renesas chipset. The centerpiece is the R-Car S4 with 8x Cortex®A55 cores, 1x Cortex® R52 core 2x RH850 G4MH delivering up to 27K DMIPS...
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Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.
Processing table
| Reel | 3 | Get Samples, |
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Videos & Training
RAA27100X Power Management IC for R-Car SoCs
Video List
News & Blog Posts
| Explore the Cost-Effective Way to Support Mandatory ADAS Systems | Blog Post | Jul 26, 2024 |
| How to Build Together a Safe and Efficient AD & ADAS Central Computing Solution | Blog Post | Nov 28, 2023 |
| Understanding the Tools and Methods Used to Develop Functionally Safe Power Systems for ADAS Applications | Blog Post | Jul 3, 2021 |