Wired Transceivers & Modems | NCV7471

系统基础芯片，带 LIN 和 LDO 稳压器，HS CAN 和 500 mA 升压-降压 DC-DC

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NCV7471(A) 是一款系统基础芯片 (SBC)，集成了车体部分中汽车电子控制单元 (ECU) 中常见的功能。NCV7471 为应用微控制器和其他负载提供低电压电源并对其进行监控，通过监督监控应用软件，包括高速 CAN 和 LIN 收发器可实现 ECU 到主机之间的多通信节点，还可用作网关设备。片上状态控制器可确保安全通电序列，支持具有可配置功能集的低功耗模式，其中包括从通信总线或通过本地数字型号 WU 唤醒。若干 NCV7471(A) 内部块的状态可由微控制器通过串行外围接口进行读取，或者用于生成中断请求。

  • Automotive Body Control Modules
  • Automobiles
  • Control Logic
    - Ensures safe powerup sequence and the correct reaction to different supply conditions
    - Controls mode transitions including the power management and wakeup treatment bus wakeups, local wakeups (via WU pin) and cyclic wakeups (through the onchip timer)
    - Generates reset and interrupt requests
  • Serial Peripheral Interface
    - Operates with 16bit frames
    - Ensures communication with the ECUs microcontroller unit
    - Mode settings, chip status feedback and watchdog are accessible through eight twelvebits registers
  • 5 V VOUT Supply from a DC/DC Converter
    - Can deliver up to 500 mA with accuracy of 2%
    - Supplies typically the ECUs microcontroller
    - Suitable for start stop systems with battery voltage as low as 2.5V
  • 5 V VOUT2 Lowdrop Output Regulator
    - Can supply external loads e.g. sensors
    - Controlled by SPI and the state machine
    - Protected against short to the car battery
  • A Highspeed CAN Transceiver
    - ISO11898 compliant
    - TxD dominant timeout protection
  • Two LIN Transceivers
    - LIN2.1 and J2602 compliant
    - TxD dominant timeout protection
  • Wakeup Input WU
    - Edgesensitive highvoltage input
    - Can be used as a wakeup source or as a logical input polled through SPI
  • Protection and Monitoring Functions
    - Monitoring of the main supply through the V_MID point
    - Monitoring of VOUT supply output with
    programmable threshold
    - VOUT2 supply diagnosis through SPI and interrupt
    - Thermal warning and thermal shutdown protection
    - Programmable watchdog monitoring the ECU software

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Reference Price

NCV7471ADQ5R2G

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Last Shipments

CAD Model

Pb

A

H

P

SSOP-36 EP

940AB

2

260

REEL

1500

N

LIN

20 kbaud

2

2

2.5

28

-

-

-

Price N/A

More Details

NCV7471DQ5R2G

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Last Shipments

CAD Model

Pb

A

H

P

SSOP-36 EP

940AB

2

260

REEL

1500

N

LIN

20 kbaud

2

2

2.5

28

-

-

-

Price N/A

More Details

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