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Interfaz
Transceptores LIN

SN65HVDA195-Q1

ACTIVO

LIN, MOST ECL e interfaz física K-Line en catálogo automotriz

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TLIN1027-Q1 ACTIVO Transceptor de red de interconexión local (LIN) para automoción para aplicaciones de línea K Newer version

SN65HVDA195-Q1

ACTIVO
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Detalles del producto

Protocols LIN Number of channels 1 Supply voltage (V) 7 to 27 Bus fault voltage (V) -40 to 40 Signaling rate (max) (Bits) 100000 Rating Automotive
Protocols LIN Number of channels 1 Supply voltage (V) 7 to 27 Bus fault voltage (V) -40 to 40 Signaling rate (max) (Bits) 100000 Rating Automotive
SOIC (D) 8 29.4 mm² 4.9 x 6
  • LIN Physical layer specification revision 2.0 compliant and conforms to SAEJ2602 recommended practice for LIN
  • LIN Bus speed up to 20-kbps LIN specified maximum and MOST ECL speeds down to 0 Baud
  • Supports ISO9141 (k-line)
  • Qualified for automotive applications
  • Sleep mode: ultra low current consumption, allows wake-up events from LIN bus, wake-up Input (external switch), or host microcontroller
  • High-speed receive capable
  • ESD protection to ±12 kV (human body model) on LIN pin
  • LIN pin handles voltage from –40 V to 40 V
  • Survives transient damage in automotive environment (ISO 7637)
  • Extended operation with supply from 7 V to 27 V DC (LIN specification 7 V to 18 V)
  • Interfaces to microcontroller with 5-V or 3.3-V I/O pins
  • Wake-up request on RXD pin
  • Control of external voltage regulator (INH pin)
  • Integrated pullup resistor and series diode for LIN responder applications
  • Low electromagnetic emission (EME), high electromagnetic immunity (EMI)
  • Bus terminal short circuit protected for short-to-battery or short-to-ground
  • Thermally protected
  • Ground disconnection fail-safe at system level
  • Ground shift operation at system level
  • Unpowered node does not disturb the network
  • LIN Physical layer specification revision 2.0 compliant and conforms to SAEJ2602 recommended practice for LIN
  • LIN Bus speed up to 20-kbps LIN specified maximum and MOST ECL speeds down to 0 Baud
  • Supports ISO9141 (k-line)
  • Qualified for automotive applications
  • Sleep mode: ultra low current consumption, allows wake-up events from LIN bus, wake-up Input (external switch), or host microcontroller
  • High-speed receive capable
  • ESD protection to ±12 kV (human body model) on LIN pin
  • LIN pin handles voltage from –40 V to 40 V
  • Survives transient damage in automotive environment (ISO 7637)
  • Extended operation with supply from 7 V to 27 V DC (LIN specification 7 V to 18 V)
  • Interfaces to microcontroller with 5-V or 3.3-V I/O pins
  • Wake-up request on RXD pin
  • Control of external voltage regulator (INH pin)
  • Integrated pullup resistor and series diode for LIN responder applications
  • Low electromagnetic emission (EME), high electromagnetic immunity (EMI)
  • Bus terminal short circuit protected for short-to-battery or short-to-ground
  • Thermally protected
  • Ground disconnection fail-safe at system level
  • Ground shift operation at system level
  • Unpowered node does not disturb the network

The SN65HVDA195 device is the Local Interconnect Network (LIN) physical interface and MOST ECL interface, which integrates the serial transceiver with wake-up and protection features. The bus is a single-wire bidirectional bus typically used for low-speed in-vehicle networks using data rates to 20 kbps. The device can transmit with an effective data rate of 0 kbps because it does not have dominant state time-out. The protocol output data stream on TXD is converted by the SN65HVDA195 into the bus signal through a current-limited wave-shaping driver as outlined by the LIN physical layer specification revision 2.0. The receiver converts the data stream from the bus and outputs the data stream through RXD. The bus has two states: dominant state (voltage near ground) and the recessive state (voltage near battery). In the recessive state, the bus is pulled high by the SN65HVDA195 internal pullup resistor and series diode, so no external pullup components are required for responder applications. Commander applications require an external pullup resistor (1 kΩ) plus a series diode per the LIN specification.

The SN65HVDA195 device is the Local Interconnect Network (LIN) physical interface and MOST ECL interface, which integrates the serial transceiver with wake-up and protection features. The bus is a single-wire bidirectional bus typically used for low-speed in-vehicle networks using data rates to 20 kbps. The device can transmit with an effective data rate of 0 kbps because it does not have dominant state time-out. The protocol output data stream on TXD is converted by the SN65HVDA195 into the bus signal through a current-limited wave-shaping driver as outlined by the LIN physical layer specification revision 2.0. The receiver converts the data stream from the bus and outputs the data stream through RXD. The bus has two states: dominant state (voltage near ground) and the recessive state (voltage near battery). In the recessive state, the bus is pulled high by the SN65HVDA195 internal pullup resistor and series diode, so no external pullup components are required for responder applications. Commander applications require an external pullup resistor (1 kΩ) plus a series diode per the LIN specification.
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Documentación técnica

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* Data sheet SN65HVDA195-Q1 Automotive LIN and Most ECL Physical Interface datasheet (Rev. C) PDF | HTML 22 jun 2022
Application note LIN Protocol and Physical Layer Requirements (Rev. A) PDF | HTML 24 ago 2022

Diseño y desarrollo

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Modelo de simulación

SN65HVDA195 IBIS Model

SLLM157.ZIP (105 KB) - IBIS Model
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