ON Semiconductor NCV7341 Manual Download Page 5

NCV7341

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5

PIN DESCRIPTION

Figure 4. NCV7340 Pin Assignment

8

9

10

11

12

13

14

1

2

3

4

5

6

7

TxD

GND

RxD

EN

WAKE

CANH

CANL

VBAT

NCV7341

PC20060727.1

V

CC

V

IO

INH

STB

V

SPLIT

ERR

Table 2. PIN DESCRIPTION

Pin

Name

Description

1

TxD

Transmit data input; low level = dominant on the bus; internal pull

up current

2

GND

Ground

3

V

CC

Supply voltage for the core circuitry and the transceiver

4

RxD

Receive data output; dominant bus => low output

5

V

IO

Supply voltage for the CAN controller interface

6

EN

Enable input; internal pull

down current

7

INH

High voltage output for controlling external voltage regulators

8

ERR

Digital output indicating errors and power

up; active low

9

WAKE

Local wake

up input

10

V

BAT

Battery supply connection

11

V

SPLIT

Common

mode stabilization output

12

CANL

Low

level CAN bus line (low in dominant)

13

CANH

High

level CAN bus line (high in dominant)

14

STB

Stand

by mode control input; internal pull

down current

Summary of Contents for NCV7341

Page 1: ...Fully Compatible with the ISO 11898 Standard High Speed up to 1 Mb Very Low Electromagnetic Emission EME VSPLIT Voltage Source for Stabilizing the Recessive Bus Level if Split Termination is Used Fur...

Page 2: ...V No Time Limit 58 58 V VCANL DC Voltage at Pin CANL 0 VCC 5 25 V No Time Limit 58 58 V VSPLIT DC Voltage at Pin VSPLIT 0 VCC 5 25 V No time Limit 58 58 V VO dif bus_dom Differential Bus Output Voltag...

Page 3: ...Filter NCV7341 GND RxD VCC 1 Timer VCC TxD Driver control Thermal shutdown PC20060921 1 POR VIO VIO VIO Level shifter VIO WAKE EN Clock VBAT INH VIO 2 3 4 5 6 7 8 9 10 14 STB ERR CANH CANL 11 12 13 VS...

Page 4: ...W 9 WAKE 180 kW 2 7 kW 1 kW RLT 60 W CLT 4 7 nF 10 nF VBAT IN 10 nF Figure 2 Application Diagram with a 5V CAN Controller NCV7341 STB RxD TxD 4 14 CAN controller GND GND 2 5 1 6 PC20060921 4 EN ERR 8...

Page 5: ...itry and the transceiver 4 RxD Receive data output dominant bus low output 5 VIO Supply voltage for the CAN controller interface 6 EN Enable input internal pull down current 7 INH High voltage output...

Page 6: ...STB H and EN H STB L and EN H STB L and EN H and flags reset STB L and EN L or flags set STB L and EN L or flags set STB H and EN H STB H and EN L STB L and EN L STB L and EN H and flags reset flags...

Page 7: ...detected either on the CAN bus or on the WAKE Pin A valid wake up is signaled on pins ERR and RxD Pin INH remains active pulled high so that the external regulators controlled by INH Pin are switched...

Page 8: ...and EN Power up Flag This flag is set when VBAT supply recovers after being below VBAT PWUP level which corresponds to a connection of the transceiver to the battery The VCC VIO undervoltage flag is c...

Page 9: ...lid remote wake up is recognized after two dominant states of the CAN bus of at least tdom each of them followed by a recessive state of at least trec A local wake up is detected after a change of sta...

Page 10: ...7 V VERR DC voltage at pin ERR 0 3 VIO 0 3 V Vtran CANH Transient voltage at pin CANH Note 1 300 300 V Vtran CANL Transient voltage at pin CANL Note 1 300 300 V Vtran VSPLIT Transient voltage at pin...

Page 11: ...Guaranteed 35 35 V VINH DC Voltage at Pin INH 0 3 VBAT 0 3 V VWAKE DC Voltage at Pin WAKE 0 3 VBAT 0 3 V VTxD DC Voltage at Pin TxD 0 3 VIO 0 3 V VRxD DC Voltage at Pin RxD 0 3 VIO 0 3 V VSTB DC Volta...

Page 12: ...b 100 C 35 mA VVCC VINH VVIO 0 V VWAKE VVBAT 12 V 10 20 50 mA SUPPLY PIN VCC VCC SLEEP VCC Level for Setting VCC VIO Undervoltage Flag VBAT 12 V 2 75 3 3 4 5 V IVCC VCC Current Consumption in Normal o...

Page 13: ...10 mA IIL Low Level Input Current VWAKE VVBAT 3 1 V 1 0 5 0 10 mA Vthreshold Threshold of the Local Wake up Comparator Sleep or Standby Mode VVBAT 3 V VVBAT 2 5 V VVBAT 2 V V INHIBIT OUTPUT PIN INH VH...

Page 14: ...2 V VCANH 12 V 0 4 0 8 1 15 V Ri cm CANH Common Mode Input Resistance at Pin CANH 15 26 39 kW Ri cm CANL Common Mode Input Resistance at Pin CANL 15 26 39 kW Ri cm m Matching between Pin CANH and Pin...

Page 15: ...8 90 140 245 ns tUV VCC Undervoltage Detection Time on VCC 5 0 10 12 5 ms tUV VIO Undervoltage Detection Time on VIO 5 0 10 12 5 ms tdom TxD TxD Dominant Timeout 300 600 1000 ms th min Minimum Hold T...

Page 16: ...VBAT INH Vio 5V 3 7 10 9 WAKE 1 kW 10 nF 100 nF 47 mF NCV7341 ERR STB RLT CLT 12V 60 W 100 pF Generator 15 pF Figure 8 Test Circuit for Timing Characteristics CANH CANL VSPLIT PC20060921 5 1 nF NCV73...

Page 17: ...C SOIC 14 Pb Free 55 Tube Tray NCV7341D20R2G 40 C 125 C SOIC 14 Pb Free 3000 Tape Reel NCV7341D21G HS CAN Transceiver 40 C 125 C SOIC 14 Pb Free 55 Tube Tray NCV7341D21R2G 40 C 125 C SOIC 14 Pb Free...

Page 18: ...ilure of the SCILLC product could create a situation where personal injury or death may occur Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application Buyer sha...

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