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MC33665A - Battery management communication gateway

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MC33665A - Battery management communication gateway

 

NXP

 

General Description

 The MC33665A is a general-purpose battery management communication gateway and transport protocol link (TPL) transceiver. The device forwards messages upcoming from different TPL (isolated daisy chain protocol of NXP) ports through a standard communication protocol. The standard communication protocol ensures compatibility with microcontrollers available in the market. The MC33665A is designed as a gateway for serial peripheral interface (SPI), CAN (FD) or universal asynchronous receiver transmitter (UART) to TPL.
In the SPI or UART variant, the device communicates directly to the MCU by using SPI or UART. The MC33665A transfers messages between MCU and battery management system (BMS) devices connected to integrated TPL ports.
In the CAN FD variant, the MC33665A can be communicated with controller area network (CAN) and CAN FD to send and receive messages to BMS devices connected on TPL ports. The device powers an external CAN transceiver to be a part of a CAN bus.

The MC33665A provides four TPL ports to communicate with other isolated BMS devices in the daisy chain. Each daisy chain port supports capacitive and inductive isolated communication, based on device capabilities use NXP battery cell controllers like MC33771C, MC33772C, and MC33775A. The MC33665A was developed following AEC‑Q100 grade 1, automotive quality management (QM) device. The MC33665A is suitable to be used in safety critical applications up to ASIL D level.

 

 

MC33665A는 범용 배터리 관리 통신 게이트웨이 및 전송 프로토콜 링크(TPL) 트랜시버입니다. 이 장치는 표준 통신 프로토콜을 통해 다양한 TPL(NXP의 절연 데이지 체인 프로토콜) 포트에서 들어오는 메시지를 전달합니다. 표준 통신 프로토콜은 시중에 나와 있는 마이크로컨트롤러와의 호환성을 보장합니다. MC33665A는 SPI(직렬 주변 장치 인터페이스), CAN(FD) 또는 UART(범용 비동기 수신 송신기)를 TPL로 전송하는 게이트웨이로 설계되었습니다.
SPI 또는 UART 변형의 경우, 이 장치는 SPI 또는 UART를 사용하여 MCU와 직접 통신합니다. MC33665A는 MCU와 통합 TPL 포트에 연결된 배터리 관리 시스템(BMS) 장치 간에 메시지를 전송합니다.
CAN FD 변형의 경우, MC33665A는 CAN(컨트롤러 영역 네트워크) 및 CAN FD와 통신하여 TPL 포트에 연결된 BMS 장치와 메시지를 송수신할 수 있습니다. 이 장치는 외부 CAN 트랜시버에 전원을 공급하여 CAN 버스의 일부가 될 수 있습니다.
MC33665A는 데이지 체인으로 연결된 다른 절연형 BMS 장치와 통신하기 위한 4개의 TPL 포트를 제공합니다. 각 데이지 체인 포트는 NXP 배터리 셀 컨트롤러(MC33771C, MC33772C, MC33775A 등)의 기능에 따라 정전 용량 및 유도성 절연 통신을 지원합니다. MC33665A는 AEC-Q100 1등급 자동차 품질 관리(QM) 장치 기준에 따라 개발되었습니다. MC33665A는 ASIL D 레벨까지의 안전 중요 애플리케이션에 사용하기에 적합합니다.

 

variant : 1.변형2.별형3.이문

 

Features and benefits

 • MCU host interface supporting SPI, CAN (FD) or UART

  – SPI

  – Single or dual SPI mode

  – Up to 10 Mbit/s data rate

  – CAN (FD)

  – CAN up to 1 Mbit/s data rate

  – CAN FD up to 5 Mbit/s data rate

  – UART

  – Full duplex operation

  – Auto baud rate detection

  – Up to 6 MBd data rate

  – Selectable IO voltage of 5 V or 3.3 V
 • Message buffering

  – Configurable response and request buffers
  – Status/handshake signals for data flow control
• Communication management unit

  – Error detection and reporting
• Multi-port TPL interface

  – Four independent TPL daisy chain ports

  – Automatic message routing based on address of TPL message

  – Support up to four TPL daisy chains and 62 nodes per chain

  – Each daisy chain features:

    – 2 Mbit/s data rate

    – Two-wire daisy chain supporting capacitive or inductive isolation

    – Loopback support

  – Compatible with TPL2 based products (for example MC33771C or MC33772C)

  – Compatible with TPL3 based products (for example MC33775A)
• Message synchronization

  – Enables synchronization of messages across all TPL daisy chain ports

  – Transmission of messages triggered by external event (SYNC)

  – Programmable time delay between messages
• Power supply options

  – Supply via external 5 V regulator or integrated 5 V regulator

  – Power mode management of the external CAN (FD) transceiver
• Operation modes– Active mode

  – Sleep mode (25 μA typ.)
• Wake-up of the device by

  – TPL daisy chain

  – MCU communication

  – Wake-up input
• Supports internal oscillator with or without external crystal
• General-purpose inputs/outputs (GPIOs) with assignable status and events
• I2C-bus master interface to control external devices, for example, EEPROMs and security ICs
• Unique device ID
• AEC-Q100 grade 1 qualified: −40 °C to +125 °C ambient temperature range
• Suitable to be used in safety critical applications up to ASIL D level

 

 

 

 

 

 

 

 

 

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주의 말씀의 맛이 내게 어찌 그리 단지요 

내 입에 꿀보다 더 다니이다

-성경 시편 119편 103절

 

 

 

 


 

 

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