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Overview
| Topology | Battery Management System |
| IC revision | 1 |
Description
The AEK-COM-ISOSPI1 is a SPI to isolated SPI dongle, which allows converting SPI signals in isolated SPI signals, thereby reducing the number of necessary wires from 4 to 2.The ISOSPI protocol features differential communication to ensure higher noise immunity and robustness for long distance communications. As the ISOSPI signals can travel for several meters, this protocol is particularly suitable for automotive high voltage applications where electrical isolation is required by the safety standards and the cable length can affect the communication among devices located in distant parts of the vehicle.The AEK-COM-ISOSPI1 is based on the L9963T general purpose SPI to isolated SPI bi-directional transceiver, which can transfer communication data incoming from a classical 4-wire based SPI interface to a 2-wire isolated interface (and vice versa).The L9963T hosted on the AEK-COM-ISOSPI1 can be configured either as a slave or as a master of the SPI bus and supports any protocol of 8-to-64-bit SPI frames. The SPI peripheral can work up to 10 MHz when configured as a slave. The SPI clock frequency can be programmed (250 kHz, 1 MHz, 4 MHz, or 8 MHz) when the device is configured as a master.The transceiver is natively compatible with the L9963E isolated SPI, allowing its usage in battery management system (BMS) applications. The basic BMS analog front-end node board is the AEK-POW-BMS63EN. From the microcontroller side, the AEK-COM-ISOSPI1 board can be connected via SPI with SPC5, Stellar and STM32 microcontroller families.In the AutoDevKit ecosystem software package, we created two example demos: SPC582B - ISOSPI1_LEDdriver test application for discovery, to be downloaded on an AEK-MCU-C1MLIT1 MCU board, and SPC58EC - ISOSPI1_LEDdriver test application for discovery, to be downloaded on an AEK-MCU-C4MLIT1 MCU board. The MCU board of both demos communicate with an AEK-LED-21DISM1 LED driver board using two AEK-COM-ISOSPI1 dongles.The aim of these demos is to show how to configure the AEK-COM-ISOSPI1 to allow the MCU board to communicate with the LED driver board via SPI protocol.After uploading the demos, the MCU boards can send a command to the LED driver board via SPI protocol through the first AEK-COM-ISOSPI1, which converts the SPI signal into an ISOSPI message and then transmits it to the second AEK-COM-ISOSPI1, which converts it back into a SPI message. Finally, the message is transmitted to the AEK-LED-21DISM1 LED driver that executes the command sent. The commands sent are related to the activation of the bucks and the reading of the status register of the AEK-LED-21DISM1 LED driver.
Typical applications
- SPI to isolated SPI dongle for Battery Management Systems (BMS)
- SPI to isolated SPI dongle for Battery Management Systems (BMS)
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | λDom typ.(nm) | Emitting Color | λPeak typ.(nm) | IV typ.(mcd) | VF typ.(V) | Chip Technology | 2θ50% typ.(°) | Gender | Pins | Variant | Type | Wire Section | Contact Plating | IR(A) | Working Voltage(V (AC)) | Contact Resistance(mΩ) | Packaging | Qty.(pcs) | Stranded Wire Section (AWG) | Stranded Wire Section (Metric) | C | Tol. C | VR(V (DC)) | Size | Operating Temperature | Q(%) | DF(%) | RISO | Ceramic Type | L(mm) | W(mm) | H(mm) | Fl(mm) | SW(mm) | Ti | Flammability Rating | Interface Type | Mount | PCB Thickness(mm) | Color | IR(A) | PCB/Cable/Panel | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WL-SMCW SMT Mono-color Chip LED Waterclear, 470 nm, Blue | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Dominant Wavelength [typ.]470 nm | Emitting ColorBlue | Peak Wavelength [typ.]465 nm | Luminous Intensity [typ.]145 mcd | Forward Voltage [typ.]3.2 V | Chip TechnologyInGaN | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | – | – | – | – | – | – | PackagingTape and Reel | Packaging Unit4000 pcs | – | – | – | – | – | Size0805 | Operating Temperature -40 °C up to +85 °C | – | – | – | – | Length2 mm | Width1.25 mm | Height0.7 mm | – | – | – | – | – | MountSMT | – | – | – | – | ||||
| WL-SMCW SMT Mono-color Chip LED Waterclear, 525 nm, Green | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Dominant Wavelength [typ.]525 nm | Emitting ColorGreen | Peak Wavelength [typ.]515 nm | Luminous Intensity [typ.]450 mcd | Forward Voltage [typ.]3.2 V | Chip TechnologyInGaN | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | – | – | – | – | – | – | PackagingTape and Reel | Packaging Unit4000 pcs | – | – | – | – | – | Size0805 | Operating Temperature -40 °C up to +85 °C | – | – | – | – | Length2 mm | Width1.25 mm | Height0.7 mm | – | – | – | – | – | MountSMT | – | – | – | – | ||||
| WL-SMCW SMT Mono-color Chip LED Waterclear, 590 nm, Yellow | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Dominant Wavelength [typ.]590 nm | Emitting ColorYellow | Peak Wavelength [typ.]595 nm | Luminous Intensity [typ.]120 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | – | – | – | – | – | – | PackagingTape and Reel | Packaging Unit4000 pcs | – | – | – | – | – | Size0805 | Operating Temperature -40 °C up to +85 °C | – | – | – | – | Length2 mm | Width1.25 mm | Height0.7 mm | – | – | – | – | – | MountSMT | – | – | – | – | ||||
| WL-SMCW SMT Mono-color Chip LED Waterclear, 605 nm, Amber | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Dominant Wavelength [typ.]605 nm | Emitting ColorAmber | Peak Wavelength [typ.]610 nm | Luminous Intensity [typ.]130 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | – | – | – | – | – | – | PackagingTape and Reel | Packaging Unit4000 pcs | – | – | – | – | – | Size0805 | Operating Temperature -40 °C up to +85 °C | – | – | – | – | – | – | – | – | – | – | – | – | MountSMT | – | – | – | – | ||||
| WL-SMCW SMT Mono-color Chip LED Waterclear, 625 nm, Red | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Dominant Wavelength [typ.]625 nm | Emitting ColorRed | Peak Wavelength [typ.]630 nm | Luminous Intensity [typ.]150 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | – | – | – | – | – | – | PackagingTape and Reel | Packaging Unit4000 pcs | – | – | – | – | – | Size0805 | Operating Temperature -40 °C up to +85 °C | – | – | – | – | Length2 mm | Width1.25 mm | Height0.7 mm | – | – | – | – | – | MountSMT | – | – | – | – | ||||
| WCAP-CSGP MLCCs 50 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Packaging7" Tape & Reel | Packaging Unit4000 pcs | – | – | Capacitance22 pF | Capacitance±5% | Rated Voltage50 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Q-Factor840 % | – | Insulation Resistance10 GΩ | Ceramic TypeNP0 Class I | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | – | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Packaging7" Tape & Reel | Packaging Unit4000 pcs | – | – | Capacitance10 nF | Capacitance±10% | Rated Voltage50 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor2.5 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | – | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Packaging7" Tape & Reel | Packaging Unit4000 pcs | – | – | Capacitance100 nF | Capacitance±10% | Rated Voltage50 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor3 % | Insulation Resistance5 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | – | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Packaging7" Tape & Reel | Packaging Unit3000 pcs | – | – | Capacitance1 µF | Capacitance±10% | Rated Voltage50 V (DC) | Size0805 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor10 % | Insulation Resistance0.1 GΩ | Ceramic TypeX7R Class II | Length2 mm | Width1.25 mm | Height1.25 mm | Pad Dimension0.5 mm | – | – | – | – | – | – | – | – | – | |||||
 | WR-WTB 2.54 mm Male Header, –, – | Simulation– | Downloads7 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-WTB 2.54 mm Male Header | – | – | – | – | – | – | – | GenderMale | Pins4 | – | TypeVertical | – | Contact PlatingTin | Rated Current3 A | Working Voltage250 V (AC) | Contact Resistance20 mΩ | PackagingBag | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | – | Insulation Resistance1000 MΩ | – | Length10.16 mm | – | – | – | – | – | – | – | MountTHT | – | – | – | PCB/Cable/PanelPCB | ||
 | WR-WTB 2.54 mm Male Header, –, – | Simulation– | Downloads7 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-WTB 2.54 mm Male Header | – | – | – | – | – | – | – | GenderMale | Pins7 | – | TypeVertical | – | Contact PlatingTin | Rated Current3 A | Working Voltage250 V (AC) | Contact Resistance20 mΩ | PackagingBag | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | – | Insulation Resistance1000 MΩ | – | Length17.78 mm | – | – | – | – | – | – | – | MountTHT | – | ColorBeige | Rated Current3 A | PCB/Cable/PanelPCB | ||
 | WR-WTB 2.54 mm Female Terminal Housing, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-WTB 2.54 mm Female Terminal Housing | – | – | – | – | – | – | – | GenderFemale | Pins4 | – | TypeTerminal Housing | – | – | – | – | – | PackagingBag | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | – | Insulation Resistance1000 MΩ | – | Length10.8 mm | – | – | – | – | – | – | – | – | – | ColorBeige | – | PCB/Cable/PanelCable | |||
 | WR-WTB 2.54 mm Female Terminal Housing, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-WTB 2.54 mm Female Terminal Housing | – | – | – | – | – | – | – | GenderFemale | Pins7 | – | TypeTerminal Housing | – | – | – | – | – | PackagingBag | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | – | Insulation Resistance1000 MΩ | – | Length18.3 mm | – | – | – | – | – | – | – | – | – | ColorBeige | – | PCB/Cable/PanelCable | |||
 | WA-SPAII Plastic Spacer Stud, metric, internal/ internal, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWA-SPAII Plastic Spacer Stud, metric, internal/ internal | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | PackagingBag | – | – | – | – | – | – | – | Operating Temperature -30 °C up to +110 °C | – | – | – | – | Length8 mm | – | – | – | SW6 mm | Inner ThreadM3 | Flammability RatingUL94 HB | – | – | – | ColorBlack | – | – | |||
 | WR-WTB 2.54 mm Female Crimp Contact, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-WTB 2.54 mm Female Crimp Contact | – | – | – | – | – | – | – | GenderFemale | – | – | TypeCrimp Terminal | Wire Section 28 to 22 (AWG) 0.081 to 0.326 (mm²) | Contact PlatingTin | Rated Current3 A | Working Voltage250 V (AC) | Contact Resistance20 mΩ | PackagingSmall Reel | Packaging Unit1000 pcs | Stranded Wire Section (AWG)28 to 22 (AWG) | Stranded Wire Section (Metric)0.081 to 0.326 (mm²) | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Current3 A | PCB/Cable/PanelCable | |||
 | WR-PHD Jumper, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Jumper | – | – | – | – | – | – | – | GenderJumper | Pins1 | – | – | – | Contact PlatingGold | Rated Current3 A | Working Voltage250 V (AC) | Contact Resistance20 mΩ | PackagingBag | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +125 °C | – | – | Insulation Resistance1000 MΩ | – | Length2.44 mm | – | – | – | – | – | – | – | – | – | ColorBlack | – | – | |||
 | WR-PHD Pin Header - Single, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | – | – | – | GenderPin Header | Pins2 | – | TypeStraight | – | Contact PlatingGold | Rated Current3 A | Working Voltage250 V (AC) | Contact Resistance20 mΩ | PackagingBag | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | – | Insulation Resistance1000 MΩ | – | Length5.08 mm | – | – | – | – | – | – | – | MountTHT | – | – | – | – | |||
 | WR-PHD Pin Header - Single, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | – | – | – | GenderPin Header | Pins3 | – | TypeStraight | – | Contact PlatingGold | Rated Current3 A | Working Voltage250 V (AC) | Contact Resistance20 mΩ | PackagingBag | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | – | Insulation Resistance1000 MΩ | – | Length7.62 mm | – | – | – | – | – | – | – | MountTHT | – | – | – | – | |||
 | WR-USB Standard Connectors, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-USB Standard Connectors | – | – | – | – | – | – | – | GenderPlug | Pins4 | Variantwith Clips | TypeHorizontal | – | Contact PlatingSelective Gold | Rated Current1.5 A | Working Voltage30 V (AC) | Contact Resistance20 mΩ | PackagingTube | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | – | Insulation Resistance1000 MΩ | – | – | – | – | – | – | – | – | Interface TypeType A | MountSMT | PCB Thickness1.2 mm | – | – | – | |||
 | WA-SCRW Pan Head Screw w. cross slot M3, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWA-SCRW Pan Head Screw w. cross slot M3 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | PackagingBulk | Packaging Unit2000 pcs | – | – | – | – | – | – | Operating Temperature -30 °C up to +85 °C | – | – | – | – | Length4 mm | – | – | – | – | – | Flammability RatingUL94 V-2 | – | – | – | ColorNatural | – | – |