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Fabricante

TH8062

Voltage Regulator with LIN Transceiver

Melexis Microelectronic Systems  

TH8062

Voltage Regulator with LIN Transceiver

2.3.2. LIN Bus Interface

Parameter

Symbol

Condition

Min

Typ

General

Pull up current BUS (recessive)

IINBUSpu VBUS = 18 V, VSUP = 6V

Pull up resistor BUS

RBUSpu VSUP = 12V, VBUS = 0V

20

30

Reverse current BUS (recessive)

-IINBUSrev VSUP = 12V, VBUS = 0V

-1

Reverse current BUS (loss of battery) IINBUS_lob VSUP = 0V, 0V ≤ VBUS ≤ 18V

Reverse current BUS (loss of ground) IINBUS_log VSUP= 12V, 0V ≤ VBUS ≤ 18V

-1

Receiver

Receive threshold

Centre point of receive threshold

Vthr_cnt = (Vthr_rec+Vthr_dom)/2

Hysteresis of receive threshold

Vthr_hys = Vthr_rec-Vthr_dom

Vthr_rec,

Vthr_dom

Vthr_cnt 7.0 V ≤ VSUP ≤ 18 V

Vthr_hys

0.4

0.475

0.5

0.15

Transmitter

Output voltage BUS (dominant)

Current limitation BUS

VBUSdom_1 IBUS = 40mA

ILIM

VBUS = VSUP, TxD = 0V

41

120

Input TxD

Pull-up resistor

Rpu_TxD

VIN = 0V

9.5

15

Input voltage low TxD

VIL

Input voltage high TxD

VIH

0.7

Output RxD

Output voltage Low RxD

Output voltage High RxD

VOL

IOUT = 1 mA

VOH IOUT = -1 mA

VCC - 0.8

Max Unit T[1]

20 μA A

60 kΩ A

mA A

20 µA A

1 mA A

0.6

A

0.525 VSUP A

0.175

A

1.2 V A

200 mA A

23 kΩ A

0.3 VCC A

VCC A

0.8 V A

VA

[1] A = 100% serial test, B = Operating parameter, C = only used for data characterization (cpk), D = Value guaranteed by design

TH8062 – Datasheet

3901008062

Page 8 of 38

March 2006

Rev 002

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