TI TLIN2029A-Q1：AEC-Q100标准的LIN收发器

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TI-TLIN2029A-Q1是一款专为汽车应用设计的高性能 LIN 收发器，它遵循严格的AEC-Q100（1级）标准，确保在严苛的汽车环境中的可靠性和耐用性。这款产品兼容LIN2.0、LIN2.1、LIN2.2、LIN2.2A以及ISO/DIS17987-4的电气物理层(EPL)规范，满足汽车行业对于通信协议的精确要求。 LIN2029A-Q1支持功能安全，提供了相关的文档，帮助设计者在构建功能安全系统时做出明智决策。它能适应12V和24V的车辆电源，并支持最高20kbps的传输速率和100kbps的接收速率，确保了数据传输的高效性和灵活性。其工作电压范围广泛，从4V到48V，能够在各种电源条件下稳定运行。值得注意的是，该器件具有出色的节能特性，如休眠模式，能在超低电流消耗下通过LIN总线唤醒或EN引脚本地唤醒，确保了电池寿命和设备功耗的优化。在硬件层面，它具备了保护功能，包括±60V LIN总线容错、VSUP欠压保护、TXD显性超时保护、热关断保护以及系统级电源故障防护，提高了系统的稳定性和可靠性。在应用领域，TLIN2029A-Q1适用于车身电子系统、照明控制、信息娱乐系统和仪表板、混合动力电动汽车的动力管理系统，甚至是被动安全系统和电器设备的连接。它的紧凑型封装，如SOIC(8)和无引线VSON(8)，便于集成到各种尺寸受限的汽车电路板上。 TLIN2029A-Q1是一款高度集成、功能强大的LIN收发器，不仅满足了汽车行业的严格标准，还在性能、保护和节能方面表现出色，是现代汽车电子系统设计中的理想选择。在设计车辆网络架构时，这款产品可以显著提升通信效率和系统的安全性。

7.6 Electrical Characteristics (continued)

parameters valid across -40℃ ≤ T

≤ 125℃ (unless otherwise noted)

PARAMETER TEST CONDITIONS MIN TYP MAX UNIT

SERIAL_DIODE

Serial diode LIN termination pull-up

path

SERIAL_DIODE

= 10 μA

0.4 0.7 1 V

Internal pull-up resistor to V

SUP

Normal and standby modes 20 45 60

kΩ

RSLEEP

Pull-up current source to V

SUP

Sleep mode, V

SUP

= 27 V, LIN = GND

–20 –2

µA

LINPIN

Capacitance of the LIN pin V

SUP

= 14 V 25 pF

EN Input Pin

Low level input voltage

–0.3

0.8 V

High level input voltage 2 5.25 V

Hysteresis voltage By design and characterization 50 500 mV

ILG

Low level input current EN = low

–5

0 5 µA

Internal pull-down resistor 125 350 800

kΩ

(1) SAE 2602 leader node load conditions: 5.5 nF/4 kΩ and 899 pF/20 kΩ

(2) SAE 2602 follower node load conditions: 5.5 nF/875 Ω and 899 pF/900 Ω

(3) ISO 17987 bus load conditions (C

LINBUS

, R

LINBUS

) include 1 nF/1 kΩ; 6.8 nF/660 Ω; 10 nF/500 Ω.

(4) RXD uses open drain output structure therefore V

level is based upon microcontroller supply voltage V

(5) I

leak gnd

= (V

BAT

- V

LIN

)/R

Load

7.7 Duty Cycle Characteristics

parameters valid across -40℃ ≤ T

≤ 125℃ (unless otherwise noted)

PARAMETER TEST CONDITIONS MIN TYP MAX UNIT

12V

Duty Cycle 1 (ISO/DIS 17987 Param

27)

(3)

REC(MAX)

= 0.744 x V

SUP

DOM(MAX)

= 0.581 x V

SUP

, V

SUP

= 7 V to 18 V, t

BIT

= 50 µs (20 kbps), D1 = t

BUS_rec(min)

/(2 x

BIT

) (See Figure 8-10, Figure 8-11)

0.396

12V

Duty Cycle 1 (ISO/DIS 17987 Param

27)

(3)

(4)

REC(MAX)

= 0.625 x V

SUP

, TH

DOM(MAX)

= 0.581 x V

SUP

, V

SUP

= 4 V to 7 V, t

BIT

50 µs (20 kbps), D1 = t

BUS_rec(min)

/(2 x

BIT

) (See Figure 8-10, Figure 8-11)

0.396

D1 Duty cycle 1

(1)

(2)

(4)

REC(MAX)

= 0.744 x V

SUP

DOM(MAX)

= 0.581 x V

SUP

= 7 V to 18 V, t

BIT

= 52 μs

D1 = t

BUS_rec(min)

/(2 x t

BIT

) (See Figure

8-10, Figure 8-11)

0.396

12V

Duty Cycle 2 (ISO/DIS 17987 Param

28)

(3)

REC(MIN)

= 0.422 x V

SUP

, TH

DOM(MIN)

= 0.284 x V

SUP

, V

SUP

= 7 V to 18 V, t

BIT

= 50 µs (20 kbps), D2 = t

BUS_rec(MAX)

/(2

x t

BIT

) (See Figure 8-10, Figure 8-11)

0.581

12V

Duty Cycle 2

(3)

(4)

REC(MIN)

= 0.546 x V

SUP

, TH

DOM(MIN)

= 0.4 x V

SUP

, V

SUP

= 4 V to 7 V, t

BIT

50 µs (20 kbps), D2 = t

BUS_rec(MAX)

/(2 x

BIT

) (See Figure 8-10, Figure 8-11)

0.581

D2 Duty Cycle 2

(1)

(2)

(4)

REC(MIN)

= 0.422 x V

SUP

DOM(MIN)

= 0.284 x V

SUP

= 7 V to 18 V, t

BIT

= 52 μs

D2 = t

BUS_rec(MAX)

/(2 x t

BIT

) (See Figure

8-10, Figure 8-11)

0.581

12V

Duty Cycle 3 (ISO/DIS 17987 Param

29)

(3)

REC(MAX)

= 0.778 x V

SUP

, TH

DOM(MAX)

= 0.616 x V

SUP

, V

SUP

= 7 V to 18 V, t

BIT

= 96 µs (10.4 kbps), D3 = t

BUS_rec(min)

/(2

x t

BIT

) (See Figure 8-10, Figure 8-11)

0.417

TLIN2029A-Q1

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7.7 Duty Cycle Characteristics (continued)

parameters valid across -40℃ ≤ T

≤ 125℃ (unless otherwise noted)

PARAMETER TEST CONDITIONS MIN TYP MAX UNIT

12V

Duty Cycle 3

(3)

(4)

REC(MAX)

= 0.645 x V

SUP

, TH

DOM(MAX)

= 0.616 x V

SUP

, V

SUP

= 4 V to 7 V, t

BIT

96 µs (10.4 kbps), D3 = t

BUS_rec(min)

/(2 x

BIT

) (See Figure 8-10, Figure 8-11)

0.417

D3 Duty Cycle 3

(1)

(2)

(4)

REC(MAX)

= 0.778 x V

SUP

DOM(MAX)

= 0.616 x V

SUP

= 7 V to 18 V, t

BIT

= 96 μs

D3 = t

BUS_rec(min)

/(2 x t

BIT

) (See Figure

8-10, Figure 8-11)

0.417

12V

Duty Cycle 4 (ISO/DIS 17987 Param

30)

(3)

REC(MIN)

= 0.389 x V

SUP

, TH

DOM(MIN)

= 0.251 x V

SUP

, V

SUP

= 7 V to 18 V, t

BIT

= 96 µs (10.4 kbps), D4 =

BUS_rec(MAX)

/(2 x t

BIT

) (See Figure 8-10,

Figure 8-11)

0.59

12V

Duty Cycle 4

(3)

(4)

REC(MIN)

= 0.422 x V

SUP

, TH

DOM(MIN)

= 0.284 x V

SUP

, V

SUP

= 4 V to 7 V, t

BIT

96 µs (10.4 kbps), D4 = t

BUS_rec(MAX)

/(2

x t

BIT

) (See Figure 8-10, Figure 8-11)

0.59

D4 Duty Cycle 4

(1)

(2)

(4)

REC(MIN)

= 0.389 x V

SUP

DOM(MIN)

= 0.251 x V

SUP

= 7 V to 18 V, t

BIT

= 96 μs

D4 = t

BUS_rec(MAX)

/(2 x t

BIT

) (See Figure

8-10, Figure 8-11)

0.59

24V

Duty Cycle 1 (ISO/DIS 17987 Param

72)

REC(MAX)

= 0.710 x V

SUP

, TH

DOM(MAX)

= 0.544 x V

SUP

, V

SUP

= 15 V to 36 V,

BIT

= 50 µs (20 kbps), D1 =

BUS_rec(min)

/(2 x t

BIT

) (See Figure 8-10,

Figure 8-11)

0.33

24V

Duty Cycle 2 (ISO/DIS 17987 Param

73)

REC(MIN)

= 0.446 x V

SUP

, TH

DOM(MIN)

= 0.302 x V

SUP

, V

SUP

= 15.6 V to 36 V,

BIT

= 50 µs (20 kbps), D2 =

BUS_rec(MAX)

/(2 x t

BIT

) (See Figure 8-10,

Figure 8-11)

0.642

24V

Duty Cycle 3 (ISO/DIS 17987 Param

74)

REC(MAX)

= 0.744 x V

SUP

, TH

DOM(MAX)

= 0.581 x V

SUP

, V

SUP

= 7 V to 36 V, t

BIT

= 96 µs (10.4 kbps), D3 = t

BUS_rec(min)

/(2

x t

BIT

) (See Figure 8-10, Figure 8-11)

0.386

24V

Duty Cycle

(4)

REC(MAX)

= 0.645 x V

SUP

, TH

DOM(MAX)

= 0.581 x V

SUP

, V

SUP

= 4 V to 7 V, t

BIT

96 µs (10.4 kbps), D3 = t

BUS_rec(min)

/(2 x

BIT

) (See Figure 8-10, Figure 8-11)

0.386

24V

Duty Cycle 4 (ISO/DIS 17987 Param

75)

(4)

REC(MIN)

= 0.422 x V

SUP

, TH

DOM(MIN)

= 0.284 x V

SUP

, V

SUP

= 4.6 V to 36 V,

BIT

= 96 µs (10.4 kbps), D4 =

BUS_rec(MAX)

/(2 x t

BIT

) (See Figure 8-10,

Figure 8-11)

0.591

Duty cycle 1 at low battery

(1)

(2)

(4)

REC(MAX)

= 0.665 x V

SUP

DOM(MAX)

= 0.499 x V

SUP

= 5.5 V to 7 V, t

BIT

= 52 μs

0.396

Duty cycle 2 at low battery

(1)

(2)

(4)

REC(MAX)

= 0.496 x V

SUP

DOM(MAX)

= 0.361 x V

SUP

= 6.1 V to 7 V, t

BIT

= 52 μs

0.581

Duty cycle 3 at low battery

(1)

(2)

(4)

REC(MAX)

= 0.665 x V

SUP

DOM(MAX)

= 0.499 x V

SUP

= 5.5 V to 7 V, t

BIT

= 96 μs

0.396

Duty cycle 4 at low battery

(1)

(2)

(4)

REC(MAX)

= 0.496 x V

SUP

DOM(MAX)

= 0.361 x V

SUP

= 6.1 V to 7 V, t

BIT

= 96 μs

0.581

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