TLIN1021-Q1 Texas instruments

TLIN1021-Q1

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TLIN1021-Q1

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Описание

The TLIN1021-Q1 is a local interconnect network (LIN) physical layer transceiver. LIN is a low speed universal asynchronous receiver transmitter (UART) communication protocol that supports automotive in-vehicle networking.The TLIN1021-Q1 transmitter supports data rates up to 20 kbps and the receiver supports data rates up to 100 kbps for faster end-of-line programming. The TLIN1021-Q1 controls the state of the LIN bus via the TXD pin and reports the state of the bus on its open-drain RXD output pin. The device has a current-limited wave-shaping driver to reduce electromagnetic emissions (EME).The TLIN1021-Q1 is designed to support 12-V applications with a wide input voltage operating range and also supports low-power sleep mode. The device supports wake-up from low-power mode via wake over LIN, the WAKE pin, or the EN pin. The device allows for system-level reductions in battery current consumption by selectively enabling the various power supplies that may be present on a node through the TLIN1021-Q1 INH output pin.The TLIN1021-Q1 integrates a resistor for LIN responder applications, ESD protection, and fault protection which allow for a reduced amount of external components in the applications. The device prevents back-feed current through LIN to the supply input in case of a ground shift or supply voltage disconnection.

AEC-Q100 qualified for automotive applications
Compliant to LIN 2.0, LIN 2.1, LIN 2.2, LIN 2.2A and ISO 17987–4 Electrical physical layer (EPL) specification (See SLLA493)
Compliant to SAE J2602-1 LIN Network for Vehicle Applications and SAE J2602-2 LIN Network for Vehicle Applications Conformance Test (See SLLA493)
Support for 12-V applications
Wide input operational voltage range:
- V_SUP range from 4.5 V to 36 V
LIN transmit data rate up to 20 kbps
LIN receive data rate up to 100 kbps
Operating modes:
- Normal mode
- Low-power standby mode
- Low-power sleep mode
Low-power mode wake-up support with source recognition:
- Remote wake-up over the LIN bus
- Local wake-up via the WAKE pin
- Local wake-up via EN
5-V tolerant input-level support
Integrated 45-kΩ LIN pull-up resistor
Control of system-level power using the INH pin
Power-up/down glitch-free operation on LIN bus and RXD output
Protection features: ± 45-V LIN bus fault tolerant, 42-V load dump support, IEC ESD protection, undervoltage protection on V_SUP input, TXD dominant state time-out, thermal shutdown, unpowered node or ground disconnection fail-safe at system level
Junction temperatures from -40°C to 150°C
Available in the SOIC (8) and VSON (8) package with improved automated optical inspection (AOI) capability

Protocols	LIN
Number of channels	1
Supply voltage (V)	4.5 to 36
Bus fault voltage (V)	-45 to 45
Signaling rate (max) (MBits)	0.02
Rating	Automotive
Operating temperature range (°C)	-40 to 125
Low-power mode	Sleep, Standby
Isolated	No