High Voltage PMIC with Multiple SMPS

VR5500

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The VR55 is an automotive high voltage multi-output power supply integrated circuit, with focus on radio, telematics and infotainment applications. It includes multiple switch mode and linear voltage regulators.

This PMIC is part of a complete family of devices offering scalability in power and safety FS84 (ASIL B) and FS85 (ASIL D), pin to pin and software compatible.

Block Diagram

VR5500, High Voltage PMIC Block Diagram

VR5500, High Voltage PMIC Block Diagram
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Features

Key Features

  • 60 V maximum input voltage for automotive and truck markets
  • Multiple SMPS and LDO
  • Standby OFF mode with very low sleep current (10 µA)
  • Device control via I2C interface with CRC
  • Three voltage monitoring circuits, dedicated interface for MCU monitoring, power good, reset and interrupt outputs
  • QM, AEC-Q100 rev H qualified

Programmability

  • Supplies, sequencing, and specific functions can be programmed by One Time programmable (OTP) memory
  • Standard Predefined OTP supporting popular MCU can be found in data sheet under “ordering information” chapter
  • During development phase, Customized OTP part can be programmed using the KITVR55-FSSKTEVM board
  • Custom OTP can be provided for production. Please contact your NXP sales channel (NXP or your distributor)
  • Custom OTP form can be downloaded OTP Configuration Tool

Comparison Table

Scalable Power and Safety Concept

Part number Buck 1 Buck 2 Buck 3 Vpre Boost Safety level
VR5500 0.8 V - 1.8 V
2.5 A
Multi-phase and
SVS option		 12 / 24 V HV
BUCK - 10 A		 5 V - 5.74 V
1.5 A peak		 Quality Mgt (QM)
FS8400 N/A N/A Fit for ASIL B
FS8500 Fit for ASIL D
FS5502 1.0 V - 4.1 V
3.6 A peak		 N/A Quality Mgt (QM)
FS8410 5 V - 5.74 V
1.5 A peak		 Fit for ASIL B
FS8510 Fit for ASIL D
FS8420 0.8 V - 1.8 V
2.5 A
Multi-phase and
SVS option		 N/A Fit for ASIL B
FS8520 Fit for ASIL D
FS8430 1.0 V - 3.3 V
2.5 A 		Fit for ASIL B
FS8530 Fit for ASIL D
FS6600 Fit for ASIL D

BYLink System Power Platform

BYLink System Power Platform

This platform facilitates the design of safe power management systems thanks to a portfolio of configurable and linkable devices. It simplifies complex power supply subsystems into a single smart solution.
Learn more about this platform

Documentation

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Design Resources

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Design Files

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Hardware

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Software

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  • Code Snippets

    VR5500 OTP Configuration tool

    XLSMRev 2.0Jan 14, 2020864.4 KBVR5500-OTP
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Note: For better experience, software downloads are recommended on desktop.

Training

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