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Front Sensor Fusion

Описание:
PMP10652 is a System optimized (CISPR 25 Class 3) 30W design for Surround View ADAS system. The design has various protections such as Load dump through TVS (ISO pulse testing), Reverse Voltage (Innovative Smart diode with very low Iq), Battery Disconnect Switch with OVP protection (PFET) and is EMI optimized to meet Conductive EMI limits of CISPR25 Class3 (overall) and Class5 upto 30MHz Range. Input voltage range is between 4.5V to 30V with OVP at 20V and hence will operate in most Cold Cranking conditions. LM74610 is used for Battery reverse protection which utilizes a charge pump to drive an N-channel FET to provide a resistive path for the bypass current to flow. LM53603Q1 is used as front end DC/DC Buck converter which is 2.2MHz switching, Synchronous rectified Wide Vin Buck Converter which can take transient upto 42V. TPS57114Q1 is used to provide power to the cores and it is a high current 2,2MHz switching buck converter. LM26420 is a dual 2.2MHz switching buck converter which is used for generating other required supplies. LM3880 sequencer is used for all the power up and power down sequencing requirements.

Возможности:

Designed for most Cold Crank and Start Stop conditions In compliance with the ISO pulse test / CISPR 25 Class 3 conducted emissions standard, passing both AM & FM radio band tests All devices Switching frequency at 2.1MHz (AM Band Avoidance) Reverse Protection through Smart diode Series Fault protection FET with OVP Power up and Power Down sequencing through integrated sequencer

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Описание:

PMP10750 представляет собой системно оптимизированный (класс 5 по CISPR25) проект мощностью 20 Вт для преобразователя, входящего в систему ADAS, с автомобильными системами защиты.

Данный проект имеет различные системы защиты, такие как сброс нагрузки генератора через TVS-диод (импульсное тестирование ISO), защиту от включения с обратной полярностью (инновационный умный диод с очень низким потребляемым током), отключение батареи при повышенном напряжении (P-канальный полевой транзистор), а также он оптимизирован с точки зрения электромагнитных помех, чтобы удовлетворять требованиям по наведённым электромагнитным помехам устройств класса 5 по CISPR25.
Диапазон входного напряжения – от 4,5 В до 30 В, уровень повышенного напряжения установлен на 20 В, таким образом проект может работать в условиях входного напяжения с широким диапазоном.

LM74610 используется для защиты батареи от включения с обратной полярностью благодаря использованию схемы с накачкой заряда для управления N-канальным полевым транзистором с целью создания сопротивления току. LM53603Q1 используется в качестве аппаратного понижающего DC/DC-преобразователя с частотой переключения 2,2 МГц, синхронным выпрямлением и широким диапазоном входного напряжения (справляется с импульсами до 42 В).

Данный базовый проект имеет характер аппаратного решения.      

Возможности:

  • Разработан для широкого диапазона входного напряжения и работы системы «старт-стоп»
  • Успешно проходит импульсное тестирование ISO и удовлетворяет требованиям по наведённым помехам устройств класса 5 по CISPR, а также проходит тесты как в AM-, так и в FV-диапазоне радиочастот
  • Частота переключения всех устройств 2,1 МГц (для избегания частот AM-диапазона)
  • Защита от включения с обратной полярностью с использованием умного диода
  • Защита от обрыва цепи и повышенного напряжения с использованием полевого транзистора
  • Секвенсирование питания при его включении и отключении с использованием интегрированного секвенсора

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Описание:
This solution was designed to make an integrated, size-optimized power design for ADAS applications using the TDA3x SoC off of an automotive battery input. By targeting only applications with lower processing needs, we’re able to choose devices and components which are smaller, compared to systems utilizing higher performance processors.

Возможности:

Complete TDA3x, DDRx, and CAN power solution Highly-integrated, size-optimized design Off-Battery operation Full power up/down sequencing Designed to meet ISO 7637-2:2004

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  • Топология платы
Описание:
This solution was designed to be a broadly applicable automotive off-battery front end power supply for 10-15W systems. There is a focus on EMI/EMC testing and compliance as well to help designers satisfy the regulatory requirements associated with producing an automotive electronic subsystem.

Возможности:

Wide-Vin front end power supply for 10-15W systems Off-Battery operation with reverse battery protection Designed and tested for severe cold-crank operation Designed and tested to ISO 7637-2:2004 Pulse 1, 2a, 3a/b and 5b (clamped load dump) Tested for CISPR25 Conducted and Radiated Emissions

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Описание:
TIDA-00746 is a 17W system-optimized SMPS design for automotive infotainment processor power. The design has been tested for and passed CISPR25 Class 5 conducted EMI limits. All buck converters used in this design is switching above AM band (>1.85MHz). The design is divided into four major blocks: Front end protection: Various protections have been implemented, such as those against positive and negative pulses (ISO7630 Pulse 1, 2a, 3a/b) through TVS, reverse terminal protection through innovative smart diode (LM74610), and battery disconnect switch with OVP protection (PFET). EMI filter: a common mode and a differential filter for conducted EMI suppression. Low EMI front end DC/DC converter: LM53635-Q1 is a switching, synchronous 3.5A buck regulator and is used as a front end DC/DC converter in this design. This 2.1 MHz part is automotive optimized and has low EMI. Apart from the spread spectrum option, the device comes in an automotive-qualified Hotrod(TM) QFN package with wettable flanks, which reduces parasitic inductance and resistance while increasing efficiency, minimizing switch node ringing, and dramatically lowering EMI. Downstream POL buck converters such as, LM26420-Q1 (Integrated dual buck), TPS57114-Q1, and TPS57112-Q1: all POL switchers used in the design switch above AM band. For high frequency noise-sensitive rails, a ferrite bead filter is used.
Возможности:

Wide-Vin front end power supply for 10W-17W automotive Off-battery operation with reverse battery protection Series fault protection FET with OVP at input Passed CISPR25 Class 5 conducted EMI test All devices have an AEC-Q100 qualified version available Switching frequency: above AM band (>1.85 MHz) for all the converters used

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Описание:

В данном проекте TI приводится широко применимое решение автомобильной системы питания для ряда ADAS-процессоров с акцентом на применение для камер переднего и заднего вида. Данный проект поддерживает входное напряжение с диапазоном от 4 В до 48 В для питания стандартных шин процессора с использованием дискретных компонентов, что повышает гибкость данного проекта при оптимизированной трассировке для помощи разработчикам в достижении соответствия автомобильным требованиям к защите от электромагнитных помех и к электромагнитной совместимости, с которыми приходится сталкиваться при производстве автомобильных электронных подсистем.

Данный базовый проект имеет характер аппаратного решения.

Возможности:

  • Решение системы питания для широкого ряда ADAS-процессоров
  • Разработан для условий широкого диапазона входного напряжения и холодного старта
  • Оптимизированный по габаритам дизайн (83,0 мм x 57,0 мм)
  • Поддержка периферии системы питания (CMOS-датчик, входы и выхода (I/O), память и вспомогательный микроконтроллер (МК))
  • Использование входного фильтра для улучшенных защиты от электромагнитных помех и электромагнитной совместимости

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Описание:
The TIDA-01003 reference design is a wide input voltage camera module that uses the 1MP ON Semiconductor® AS0140AT CMOS Imager to provide multiple uncompressed video formats over FPD-Link III. Supported video formats are 8- and 10-bit YUV422. TIs FPD-Link III SerDes technology enables the transmission of video data, bidirectional control signals and power all over a single coax cable. With an input voltage range of 4-36V, this design is "short to battery" protected and can be used for advanced driver assist and infotainment systems such as surround view systems, rear view cameras, driver monitoring, smart mirror and as a replacement for analog or Ethernet cameras.
Возможности:

Module outputs YUV422 720p up to 30fps Power supply using wide input voltage switching converter to withstand short to battery condition Single Rosenberger Fakra coax connector for digital video, power, control and diagnostics Space optimized design fits on a single PCB 20 x 20mm

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Описание:
The TIDA-01004 reference design is a remote automotive camera module that connects over a high speed serial video interface to a display or machine vision processing system. It uses TIs FPD-Link III SerDes technology to transmit uncompressed MegaPixel video data, bidirectional control signals and power either over shielded twisted pair or coax cable.
Возможности:

Space optimized design fits on a single PCB 20x20 mm 1M pixel image sensor AR0140AT from Aptina providing 10/12 bit raw image data Single Rosenberger Fakra coax connector for digital video, power, control and diagnostics Power supply optimized for small size and high efficiency Diagnostic and built in self test (BIST) for ASIL B applications

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Описание:
This camera hub reference design allows connection of up to four 1.3-megapixel cameras to a TDA3x system-on-chip (SoC) evaluation module (EVM). Each camera connects to the hub through a single coax cable. Using FPD-Link III connections, the cameras are connected to a four-port deserializer. The output of the deserializer is MIPI CSI-2. The design also allows connection of other types of sensors for sensor fusion use cases.
Возможности:

Accepts 4 camera inputs over FPD-Link III Connects directly to the CSI-2 video ports on a TDA3x EVM Provides wide range supply voltage for Power Over Coax (4-14V) Board power can come directly from car battery Will work with any camera that uses a compatible FPD-Link III serializer

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  • Топология платы
Описание:
The TIDA-01323 camera hub reference design allows connection of up to four 2-megapixel, 60-fps cameras over coax cable. This design utilizes these coax cables to provide power, back-channel communication, and clock synchronization to the sensors. The 4-Gbps FPD-Link III quad deserializer supports dual-output Mobile Industry Processor Interface (MIPI) Camera Serial Interface-2 (CSI-2) over a Samtec connector to application processors. This design also allows the user to connect other types of sensors for sensor fusion applications.
Возможности:

Accepts four camera inputs with capability of sensor synchronization over FPD-Link III Provides wide-range supply voltage for power over coax (4V to 14V) Directly connects to TDA3 and TDA2Plus EVMs through CSI-2 interface Works with any camera that uses compatible FPD-Link III DS90UB953 serializer Car battery can directly supply board power with protection from reverse current

Документация:
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Описание:
Camera modules for ADAS applications can be very space constrained. The TIDA-01392 combines a 1.3-MP imager, a 1.9-Gbit/s serializer and the necessary power supplies. All of this functionality is contained on a 20-mm × 20-mm PCB design. The camera module reference design also simplifies communication by combining digital video, power, camera control, and diagnostics signals over a single 50-Ω coaxial cable.
Возможности:

10-bits or 12-bits (100MHz) video input All devices AEC Q100 (-Q1) rated Diagnostic and built in self test (BIST) for ASIL B applications Power supply switching frequencies greater than 1700 kHz to avoid AM band interference Power solution optimized to minimize space by choosing parts that eliminate external circuitry

Документация:
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Описание:
This sensor fusion hub reference design allows the connection of up to four 2-megapixel cameras and up to four radar modules over coaxial cable. This design utilizes these coaxial cables to provide power, backchannel communication, and clock synchronization to the sensors. The two 4 Gbps FPD-Link III quad deserializers support dual-outputs of the Mobile Industry Processor Interface (MIPI) Camera Serial Interface-2 (CSI-2) over a Samtec connector to application processors.
Возможности:

Accepts 8 high-speed data inputs over FPD-Link III synchronization capability Directly connects to TDA2Plus EVM through CSI-I interface Car battery can directly supply board power with protection from reverse current Works with any camera that uses compatible FPD-Link III DS90UB953 serializer MSP430™ Microcontroller (MCU) available to initialize and configure video pipeline Design compatible with onboard MCU, without MCU, or with external MCU

Документация:
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Описание:
This processor supply reference design is an automotive power solution for use in highperformance, single-core-voltage application processors in advanced driver assistance systems (ADASs). This design can support core supply currents up to 10 A at 0.9 V. The design can also operate with a wide input voltage range, withstand reverse battery conditions, and support start-stop and cold-crank down to a 3.5-V input with an undisturbed output. All switching frequencies in this solution are above 2 MHz. The design has an inherently lower electromagnetic interference (EMI) and higher efficiency due to the multi-phase configuration and integration of supplies. This reference design also provides results for conducted emissions tests for CISPR 25 Class 5.
Возможности:

5A integrated 2.2MHz synchronous wide input voltage buck converter Smart diode reverse battery protection for minimum voltage drop (typical 20mV) Operating range 3.5 - 36V, supports start-stop and cold-crank Interleaved four-phase core-voltage supply minimizing ripple, EMI and inductor size Optimized for CISPR 25 Class 5 conducted emissions Small switched cap boost for 5V CAN supply reduces solution size and BOM cost

Документация:
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  • BOM
Описание:
This processor supply reference design is an automotive power solution for use in highperformance, single-core-voltage application processors in advanced driver assistance systems (ADASs). This design can support core supply currents up to 10 A at 0.9 V. The design can also operate with a wide input voltage range, withstand reverse battery conditions, and support start-stop and cold-crank down to a 3.5-V input with an undisturbed output. The sub-AM band switching frequency of the power front end improves efficiency and reduces board temperatures when compared to a power front end with faster switching frequency. The multiphase configuration and integration of supplies enables lower electromagnetic interference (EMI) and higher efficiency. This reference design also provides results for conducted emissions tests for CISPR 25 Class 5.
Возможности:

5A integrated, 400kHz synchronous wide input voltage buck DC/DC converter with spread spectrum Supplying 10A at 0.9V to core-voltage rail of application processor Operating range 3.5 - 36V, supports start-stop and cold-crank Interleaved four-phase core-voltage supply minimizing ripple, EMI and inductor size Smart diode reverse battery protection for minimum voltage drop (typical 20mV) Small switched cap boost for 5V CAN supply reduces solution size and BOM cost

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Описание:
The TIDA-01570 reference design is a complete solution for a 76 to 81 GHz radar sensor module. The power supplies on board convert the automotive battery input to the required rails for the radar AFE, processors and CAN-FD transceiver. After processing, object data is provided over the included N-FD phy.
Возможности:

Provides wide range supply voltage for power over coax (4 V to 14 V) Car battery can directly supply board power with protection from reverse current

Документация:
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Описание:
TI Design TIDEP-0092provides a foundation for short-range radar (SRR) applications using the AWR1642 evaluation module (EVM). This designallows the estimation of the position (in the azimuthal plane) and velocity of objects in its field of view up to 80 m.
Возможности:

Single-chip radar for SRR applications Detect objects (such as cars and motorcycles) up to 80 m awaywith range resolution of 35 cm Antenna field of view ±60° with angular resolution of approximately 15° Source code for fast Fourier transform (FFT) processing and detection provided by mmWave software development kit (SDK) AWR1642EVM demonstrates the design Radar front-end and detection configuration fully explained

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