MAX33014E

+5V, 5Mbps CAN Transceiver with ±65V Fault Protection, Fault Detection and Reporting, ±25V CMR, and ±40kV ESD Protection

Industry's First CAN Transceiver with Fault Detection, Diagnostic Evaluation, and Reporting with ±40kV ESD


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说明

The MAX33011E–MAX33012E, and MAX33014E–MAX33015E are a family of +5V CAN (Control Area Network) transceivers with integrated protection for industrial applications. These devices have extended ±65V fault protection on the CAN bus for equipment where overvoltage protection is required. The CAN family also incorporates high ±45kV ESD HBM protection and an input common mode range (CMR) of ±25V, exceeding the ISO11898 specification of -2V to +7V, and well suited for applications where ground planes from different systems are shifting relative to each other.

This CAN family incorporates a fault detection feature where it monitors the CANH and CANL line for faults like overcurrent, overvoltage, and transmission failure. When a fault is detected, the FAULT pin goes high, which triggers an external interrupt with the local CAN controller, and the driver and receiver lines are placed in recessive mode. The system clock then drives the TXD pin and a fault code is transmitted through the RXD line back to the controller. When the specific fault code is transmitted and the system is programmed to alert local service personnel, they are able to troubleshoot and debug the problem quicker, providing valuable diagnostics and decreased equipment downtime. In addition, the family features a variety of options to address common CAN application requirements; low-current standby mode, slow slew rate for improved EMI performance, silent-mode to disable the transmitter, low level translation to interface with low voltage controllers, and loopback mode for remote self diagnostics.

These devices are specified for data rates up to 5Mbps. The transceivers include a dominant timeout to prevent bus lockup caused by controller error or by a fault on the TXD input. When TXD remains in the dominant state (low) for longer than tDOM, the driver is switched to the recessive state, releasing the bus.

The MAX33011E and MAX33012E are in standard 8-pin SOIC package and the MAX33014E and MAX33015E are in a 10-pin TDFN-EP package. The family of devices operate over the -40°C to +125°C temperature range.

MAX33011E, MAX33012E, MAX33014E, MAX33015E: Simplified Block Diagram MAX33011E, MAX33012E, MAX33014E, MAX33015E: Simplified Block Diagram 放大+

关键特性

  • Integrated Protection Increases Robustness
    • ±65V Fault Tolerant CANH and CANL
    • ±45kV ESD HBM (Human Body Model) 
    • ±30kV IEC Air-Gap and ±12kV IEC Contact
    • ±25V Extended Common Mode Input Range (CMR)
    • Transmitter Dominant Timeout Prevents Lockup
    • Short-Circuit Protection Limits Driver Current
    • Thermal Shutdown
  • Family Provides Flexible Design Options
    • 1.62V to 5.5V Logic-Supply (VL) Range (MAX33014E and MAX33015E)
    • Silent Mode S Disables Transmitter  (MAX33011E and MAX33015E)
    • STBY Input For Low-Current, Slow Slew Rate, and Normal Mode  (MAX33012E and MAX33014E)
    • LPBK Enables Remote Diagnostics  (MAX33014E and MAX33015E)
  • Fault Detection and Reporting
    • Detects Overcurrent, Overvoltage, and Transmission Failure 
    • Error Code Reporting Through RXD
  • Operating Temperature Range of -40°C to +125°C

应用

  • null
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  • 工厂自动化
  • HVAC
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  • 自动售货机

请查看具体的参数规格 Controller Area Network (CAN) Transceivers (24)


Part NumberICC (Dominant Mode)
(mA)
Fault Protect.
(±V)
ICC (Recessive Mode)
(mA)
ICC (Shutdn.)
(µA)
ESD Protect.
(±kV)
Common Mode Range
(V)
VSUPPLY
(V)
Package/PinsBudgetary
Price
maxtyptypSee Notes
MAX33012E NEW!70654(60 Standby Mode)40-25 to +255
SOIC (N)/8
$2.29 @1k

Pricing Notes:
价格仅供参考,用于同类产品的比较。所提供报价为美元,需要依汇率折合成人民币。该价格将因当地关税、税率和汇率而异。有关特定订购量和指定版本的报价和供货问题,请参考:价格与供货网站或与指定代理商联系。

MAX33012ESHLD: Evaluation Kit for the MAX33012E

工具和模型

  • MAX33014E IBIS Files
  • 申请可靠性报告: MAX33014E 
    型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C   Material Composition  

    备注: 通过技术手段对故障率进行汇总,并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

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