TJR1441 datasheet(14/31 Pages) NXP

Part #	TJR1441

Description	High-speed CAN transceiver

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Manufacturer	NXP [NXP Semiconductors]

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NXP Semiconductors

TJR1441

High-speed CAN transceiver

TJR1441

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 1 — 7 September 2020

14 / 31

9 Thermal characteristics

Table 7. Thermal characteristics

Value determined for free convection conditions on a JEDEC 2S2P board.

Symbol

Parameter

Conditions[1]

Typ

Unit

SO8

96

K/W

Rth(j-a)

thermal resistance from junction to ambient

HVSON8

57

K/W

Rth(j-c)

thermal resistance from junction to case[2]

HVSON8

19

K/W

SO8

9

K/W

Ѱj-top

thermal characterization parameter from junction to top of package

HVSON8

9

K/W

[1]

According to JEDEC JESD51-2, JESD51-5 and JESD51-7 at natural convection on 2s2p board. Board with two inner copper layers (thickness: 35 μm)

and thermal via array under the exposed pad connected to the first inner copper layer (thickness: 70 μm).

[2]

Case temperature refers to the center of the heatsink at the bottom of the package.

10 Static characteristics

Table 8. Static characteristics

Tvj = -40 °C to +175 °C; VCC = 4.5 V to 5.5 V; VIO = 2.95 V to 5.5 V (TJR1441A); RL = 60 Ω; unless specified otherwise; all

voltages are defined with respect to ground; positive currents flow into the IC.[1]

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Supply; pin VCC

VCC

supply voltage

4.5

-

5.5

V

Vuvd

undervoltage detection

voltage

[2] 4

-

4.5

V

Vuvhys

undervoltage hysteresis

voltage

50

-

mV

Vuvd(swoff)

switch-off undervoltage

detection voltage

TJR1441B/D

[2] 2.65

-

2.95

V

Normal mode

dominant; VTXD = 0 V; t < tto(dom)TXD

-

38

60

mA

dominant; VTXD = 0 V;

short circuit on bus lines;

-3 V < (VCANH = VCANL) < +40 V

-

125

mA

recessive; VTXD = VIO[3]

-

4

7

mA

Silent mode; VTXD = VIO[3]

-

3

6

mA

ICC

supply current

Off mode; (TJR1441D only)

-

90

250

μA

I/O level adapter supply; pin VIO (TJR1441A)

VIO

supply voltage

2.95

-

5.5

V

Vuvd(swoff)

switch-off undervoltage

detection voltage

2.65

-

2.95

V

Normal mode; dominant; VTXD = 0 V

-

250

760

µA

Normal mode; recessive; VTXD = VIO

-

150

460

µA

IIO

supply current

Silent mode; VTXD = VIO

-

70

200

µA

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