Robust Reliable Performance FS6407 and FS6408 System Basis Chips (SBCs) 36 V/0.8 A and 1.5 A Multi-Output Buck Regulator with CAN Physical Layer, System Monitoring, and functional safety support Target Applications • Industrial Transportation Overview The FS6407 and FS6408 are multi-output buck regulators with functional safety support and high speed CAN transceivers optimized for industrial applications. Multiple switching and linear voltage regulators are available, including low power modes with various wake up capabilities. An advanced power management scheme is implemented to maintain high efficiency over wide input voltages and output current ranges. Enhanced safety monitoring and multiple fail-safe outputs enable safety oriented system partitioning. A built-in enhanced high-speed CAN interface fulfills ISO11898‑2 and -5 standards. Local and bus failure diagnostics, protection and fail-safe operation modes are also provided. MC33907 and MC33908 Block Diagram FS6407 and FS6408 Block Diagram Power Management Auxillary Vreg—Vaux DC/DC Pre-Regulator Buck Only or Buck Boost MCU I/O Vreg—Vcca MCU Core Vreg Configuration Vcore Internal Power FET CAN Vreg Flexible (I/O) Wake/INH Analog MUX Low Power Mode System Monitoring & Functional Safety Flexible (I/O) Static Safe Pins Debug Pin Fail-Safe State Machine Communication Advanced SPI CAN High Speed Features • Power management scalability Integrated switch for improved control and reliability Optional boost driver Dual DC/DC architecture for packaging cost efficiency Pin-to-pin and software compatible Power scalable family •Elevators • Factory automation • Safe Programmable Logic Controller (PLC) • Battery Pack Controller Power & System Management • Heavy Machinery •Energy efficiency Freescale SBC Solutions 2.4 MHz dedicated Vcore DC/DC FS6407 FS6408 Low power mode, very low quiescent current (30 µA) 6.5 V Pre-regulator 1.7 A maximum (Buck or Boost_440 kHz) 1.7 A (Buck or Boost_440 kHz) Wake Up by I/Os and CAN MCU core supply VCore/2% Vcore from 1.2V to 3.3V, Icore up to 0.8A Vcore from 1.2V to 3.3V, Icore up to 1.5A 100 mA (int) ±1% 5 V configuration 100 mA (int) ±1.5% 3.3 V configuration or 300 mA (ext.) ±3% 100 mA (int) ±1% 5 V configuration 100 mA (int) ±1.5% 3.3V configuration or 300 mA (ext.) +/-3% Up to 300 mA Vcca tracker Up to 300 mA Vcca tracker 100 mA 100 mA 1 1 • Functional safety Safety features to target IEC61508 & ISO13849 applications combined with MCUs MCU I/Os, ADC supply VCCA/1% Metrics based on ISO26262 reference Auxiliary ECU supply Vaux/3% Fail-safe and configurable state machine Many protections and diagnostics • Robust physical layers Can_5V Supply (VCAN) CAN interface 6 (incl. F/S inputs) 6 (incl. F/S inputs) Certification to ISO11898-2-5 standards Watchdog Challenger Challenger Automotive proven EMC and ESD IC LowQ Voff 30 µA 30 µA •Easy to use Ecosystem to lower development time and simplify access Debug mode to save time during application development • Ideal solution for 32-bit MCUs MPC5777C 32-bit MCU I/Os AMUX and battery sense Yes Yes Fail safe Independent I/O Independent I/O Package LQFP48eP LQFP48eP FS6407 and FS6408 SafeAssure SBC Solutions Safety Process •IEC61508 Safety assessment of analog architecture and concept Fail rate and metrics available per the ISO26262 standard Helps to reduce effort and time on ECU functional safety assessment Safety Hardware • Integrated safety architecture Saves development effort and time as no additional software required (only one main MCU) independent voltage monitoring and fail-safe state machine High HW diagnostic to cover Single Point Failure, Latent Failure, Common Cause Failure. Safety Software • Secured SBC and MCU software interactions Multiples registers to help software diagnostics, including safe state machine Safety mechanisms to secure SPI Advanced watchdog challenger to secure MCU timing monitoring Safety Support • Safety documentation provided by Freescale is based on umbrella devices MC33907 and MC33908 SBCs Application recommendations to combine MC34FS6407 and MC34FS6408 and Qorivva MCUs” Safety manual, FMEDA and complete ecosystem to ease development, save time •MPC5744P 32-bit MCU • For other MCUs, like Kinetis K, E, V, ... please contact your Freescale representative Key Features •Independent safety monitoring unit with fail safe output • Secure SPI interface • Configurable digital I/Os through SPI registers, including monitoring of FCCU • Analog multiplexer sense and monitor supply voltage, for space savings Additional Features •CAN high speed physical layer, ISO11898-2 and -5 compatible from 40 kb/s to 1 Mb/s SafeAssure Program: Functional Safety. Simplified. • High robustness performance of system level pins up to +/- 8 kV according to IEC61000-4-2 and ISO10605.2008 The Freescale SafeAssure functional safety • Robust physical layers with superior EMI/ESD performance, with ESD performance up to ±12 kV according to functional safety standards in the automotive IEC61000-4-2 and ISO10605.2008 program is designed to help you simplify the Functional Safety Standards Automotive Industrial ISO 26262 Safety Support process of achieving system compliance with and industrial markets. For more information, visit freescale.com/SafeAssure. Safety Hardware IEC 61508 Safety Software Safety Process Freescale Quality Foundation Functional Safety Documentation Freescale’s FS6407 and FS6408 SBCs are the first analog products defined and designed to achieve highest level of functional safety. Single Point Failure, Latent failure, and Common Cause Failure mechanisms have been considered to implement and verify stringent safety strategy through independent monitoring. SBC Documentation Document Number Document Title AN4442 Integrating the MPC5643L and MC33907/08 for Safety Applications Application Note MC33907_8SMUG Safety Manual for MC33907 and MC33908 FMEDA SafeAssure Manual FMEDA SafeAssure Manual (available upon request) AN4661 Designing the Vcore Compensation Network for the MC33907/ MC33908 System Basis Chips FUNCSAFTASILDWP Safety Integrated Hardware Solutions to support ASIL D Applications White Paper AN4766 Design Guidelines for Integrating the MC33907_08 System Basis Chip into Electronic Control Unit AN4843 Low-Power Wireless Charging Using the Freescale WCT1001A Controller MCU Attach: Easy-to-Design Evaluation Module (EVM) • KIT33908MBEVBE Mother Board with MC33908 •KITMPC5643DBEVM—MPC5643L Daughter Board + software • KIT908-5643EVM—Complete kit with MC33908/MPC5643L + software Note: Documentation for the MC33907 and MC33908 SBCs can be also applied to the FS6407 and FS6408 SBCs. SBC and MCU Ecosystem Development Tools and Kits Part Number Description SBC Reference KIT33907AEEVB MC33907 Evaluation Board MC33907AE KIT33908AEEVB MC33908 Evaluation Board MC33908AE KITMPC5643DBEVM MPC5643L EVM Daughter board KITMPC5744DBEVM MPC5744P EVM Daughter board KIT33908MBEVBE MC33908 EVM Mother board MC33908AE KIT908-5643EVM MC33908/MPC5643LFull EVM MC33908AE KIT908-5744EVM MC34FS6408 / MPC5744P Full EVM kit miriac-EK5744 Microsys Reference Design MCU Reference MPC5643L Quick Performance Evaluation Boards (EVBs) MPC5643L Easy-to-use EVB with GUI for MC33907 and MC33908 KIT34FS6407 and 6408 Features to Support Energy- Efficient Solutions • Highly flexible SMPS pre-regulator • Linear voltage regulator dedicated to allowing non-inverting buck-boost or auxiliary functions (3.3–5 V selectable) or to standard buck topologies. Overall device sensor supply (Vcca tracker or independent) efficiency improvement. • Multiple output power supplies from 0.5 up to 1.5 A of global current capability • Switching mode power supply (SMPS) dedicated to MCU core supply, from 1.2 V to 3.3 V, adjustable through external resistor string • Linear voltage regulator (3.3–5 V) dedicated to MCU I/Os, especially the ADC • KIT33908AEEVB and KIT33907AEEVB— • Uses SMARTMOS technology that combines digital, power and standard analog functions • Multiple wake-up sources combined with low power mode: CAN P/L, I/Os • Supply Monitoring before and after reverse battery protection. Application Examples Using Freescale SBCs Programmable Logic Controller (PLC) Programmable Logic Controller (PLC) PMIC, SBCs System Basis is the convergence of Energy Management, System Management and Communications. These core values make 24 V Power Bus LDO Management. With their assured safety rating and high efficiency, the FS6407 and FS6408 SBCs provide the ideal system Power Drivers Relays, Motors, etc. DC/DC SBCs a standard solution to fit with many requirements in terms of MCU Power 5V LDO Sensor Inputs ADCs 3.3 V eXtreme Switch MCU MPU Isolation Isolation DACs Temp. ..... Low-power Drivers Currents <50mA Voltages <15v Pressure solution for powering complex MCUs. Wired Communication Indus. Ethernet USB RS232-485 Wireless Communication ZigBee®, Bluetooth® CAN Freescale Technology Human Machine Interface (HMI) Programmable Logic Controller (PLC) PMIC, SBCs 24 V Power Bus LDO 5V Power Drivers Relays, Motors, etc. DC/DC LDO Sensor Inputs ADCs 3.3 V eXtreme Switch MCU MPU Isolation Isolation DACs Temp. ..... Low-power Drivers Currents <50mA Voltages <15v Pressure Wired Communication Indus. Ethernet USB RS232-485 Wireless Communication ZigBee®, Bluetooth® CAN Freescale Technology Motor Control (Low-Voltage) Motor Control (Low Voltage) PMIC, SBCs Power Line H-bridge 3PP DC/DC LDO Display Graphics Motor MCU MPU Input Relay Driver eXtreme Switch Freescale Technology For more information, visit freescale.com/analog Freescale, the Freescale logo, the Energy Efficient Solutions logo, SafeAssure and the SafeAssure logo are trademarks of Freescale Semiconductor, Inc., Reg. U.S. Pat. & Tm. Off. SMARTMOS is a trademark of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © 2013, 2014, 2015 Freescale Semiconductor, Inc. Document Number: MC34FS6407_8FS REV 2