NCV7424DB0R2G Datasheet NCV7424DB0R2G | P7-P9

NCV7424

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7

ELECTRICAL CHARACTERISTICS

Definitions

All voltages are referenced to GND (Pins 10, 14. These

pins are electrically connected inside of the package).

Positive currents flow into the IC.

Table 5. DC CHARACTERISTICS (V

BB

= 5 V to 27 V; T

J

= −40°C to +150°C; R

L(LIN−VBB)

= 500 W, unless otherwise specified.

Typical values are given at V(V

BB

) = 12 V and T

J

= 25°C, unless otherwise specified.)

Symbol

Parameter Conditions Min Typ Max Unit

CURRENT CONSUMPTION

I

BB

_ON_rec V

BB

Consumption Normal Mode; LIN Recessive

V

LINx

= V

BB

2.3 4.7 mA

I

BB

_ON_dom V

BB

Consumption Normal Mode; LIN Dominant

TxDx = Low

16.5 28 mA

I

BB

_STB V

BB

Consumption Standby Mode

V

LINx

= V

BB

0.22 0.45 mA

I

BB

_SLP V

BB

Consumption Sleep Mode

V

LINx

= V

BB

11 35

mA

I

BB

_SLP_18V V

BB

Consumption Sleep Mode, V

BB

< 18 V

V

LINx

= V

BB

10 33

mA

I

BB

_SLP_12V V

BB

Consumption Sleep Mode, V

BB

= 12 V, T

J

< 85°C

V

LINx

= V

BB

9 30

mA

POR AND V

BB

MONITOR

PORH_V

BB

Power−on Reset

High Level on V

BB

V

BB

Rising 2 3.3 4.5 V

PORL_V

BB

Power−on Reset Low

Level on V

BB

V

BB

Falling 1.7 2.9 4 V

MONH_V

BB

Battery Monitoring

High Level

V

BB

Rising 4.1 4.5 V

MONL_V

BB

Battery Monitoring

Low Level

V

BB

Falling 3 4 V

LIN TRANSMITTERs

VLINx_dom_LoSup

LINx Dominant

Output Voltage

TxDx = Low; V

BB

= 7.3 V 1 1.2 V

VLINx_dom_HiSup LINx Dominant

Output Voltage

TxDx = Low; V

BB

= 18 V 1.4 2.0 V

VLINx_REC LIN Recessive

Output Voltage

TxDx = High; I

LIN

= 10 mA (Note 6)

V

BB

− 1.5 V

BB

V

ILINx_lim Short Circuit Current

Limitation

V

LINx

= V

BB

= 18 V; TxDx = Low 70 140 200 mA

RLINx

slave

Internal Pull−up

Resistance

20 33 47

kW

LIN RECEIVERs

VLINx_bus_dom

Bus Voltage for

Dominant State

0.4 V

BB

VLINx_bus_rec Bus Voltage for

Recessive State

0.6 V

BB

VLINx_rec_dom Receiver Threshold LIN Bus Recessive − Dominant 0.4 0.45 0.6 V

BB

VLINx_rec_rec Receiver Threshold LIN Bus Dominant − Recessive 0.4 0.55 0.6 V

BB

6. The voltage drop in Normal mode between LIN and V

BB

pin is the sum of the diode drop and the drop at serial pull−up resistor. The drop

at the switch is negligible. See Figure 1.

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Table 5. DC CHARACTERISTICS (V

BB

= 5 V to 27 V; T

J

= −40°C to +150°C; R

L(LIN−VBB)

= 500 W, unless otherwise specified.

Typical values are given at V(V

BB

) = 12 V and T

J

= 25°C, unless otherwise specified.)

Symbol UnitMaxTypMinConditionsParameter

LIN RECEIVERs

VLINx_rec_cnt

Receiver Centre

Voltage

(VLINx_rec_dom +

VLINx_rec_rec) / 2

0.475 0.5 0.525 V

BB

VLINx_rec_hys Receiver Hysteresis (VLINx_rec_rec − VLINx_rec_dom) 0.05 0.1 0.175 V

BB

ILINx_off_dom LIN Output Current,

Bus externally driven

to dominant state

Normal Mode, Driver Off;

V

BB

= 12 V; TxDx = High;

V

LINx

= 0 V

−1 −0.37 −0.2 mA

ILINx_off_dom_slp LIN Output Current,

Bus externally driven

to dominant state

Sleep Mode, Driver Off;

V

BB

= 12 V; TxDx = High;

V

LINx

= 0 V

−20 −8 −2

mA

ILINx_off_rec LIN Output Current,

Bus in Recessive

State

Driver Off;

V

BB

< 18 V; V

BB

< V

LINx

< 18 V

2

mA

ILINx_no_GND Communication not

Affected

V

BB

= GND = 12 V; 0 < V

LINx

< 18 V −1 1 mA

ILINx_no_V

BB

LIN Bus Remains

Operational

V

BB

= GND = 0 V; 0 < V

LINx

< 18 V 0 5

mA

C

LINx

Capacitance on LINx

Not tested in production,

guaranteed by design

20 30 pF

PIN EN

Vil_EN

Low Level Input

Voltage

−0.3 0.8 V

Vih_EN High Level Input

Voltage

2.0 5.5 V

Rpd_EN Pull−down

Resistance to Ground

150 350 650

kW

PIN RxDx

Iol_RxDx

Low Level Output

Current

V

RxD

= 0.4 V, Normal Mode,

V

LINx

= 0 V

1.5 4.3 mA

Ioh_RxDx High Level Output

Current

V

RxD

= 5 V, Normal Mode,

V

LINx

= V

BB

−5 0 5

mA

PIN TxDx

Vil_TxDx

Low Level Input

Voltage

−0.3 0.8 V

Vih_TxDx High Level Input

Voltage

2.0 5.5 V

Rpd_TxDx Pull−up on TxDx Pins 60 100 150

kW

THERMAL SHUTDOWN

T

JSD

Thermal Shutdown

Junction Temperature

Temperature Rising 150 165 185 °C

T

JSD_HYST

Thermal Shutdown

Hysteresis

5 °C

6. The voltage drop in Normal mode between LIN and V

BB

pin is the sum of the diode drop and the drop at serial pull−up resistor. The drop

at the switch is negligible. See Figure 1.

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Table 6. AC CHARACTERISTICS (V

BB

= 5 V to 27 V; T

J

= −40°C to +150°C; R

L(LIN−VBB)

= 500 W, unless otherwise specified.

For the transmitter parameters, the following bus loads are considered: L1 = 1 kW / 1 nF; L2 = 660 W / 6.8 nF; L3 = 500 W / 10 nF

Symbol

Parameter Conditions Min Typ Max Unit

LIN TRANSMITTER

D1

Duty Cycle 1 =

t

BUS_REC(min)

/

(2 x t

BIT

)

TH

REC(max)

= 0.744 x V

BB

TH

DOM(max)

= 0.581 x V

BB

t

BIT

= 50 ms

V(V

BB

) = 7 V to 18 V

0.396 0.5

D2 Duty Cycle 2 =

t

BUS_REC(max)

/

(2 x t

BIT

)

TH

REC(min)

= 0.422 x V

BB

TH

DOM(min)

= 0.284 x V

BB

t

BIT

= 50 ms

V(V

BB

) = 7.6 V to 18 V

0.5 0.581

D3 Duty Cycle 3 =

t

BUS_REC(min)

/

(2 x t

BIT

)

TH

REC(max)

= 0.778 x V

BB

TH

DOM(max)

= 0.616 x V

BB

t

BIT

= 96 ms

V(V

BB

) = 7 V to 18 V

0.417 0.5

D4 Duty Cycle 4 =

t

BUS_REC(max)

/

(2 x t

BIT

)

TH

REC(min)

= 0.389 x V

BB

TH

DOM(min)

= 0.251 x V

BB

t

BIT

= 96 ms

V(V

BB

) = 7.6 V to 18 V

0.5 0.590

D1e Duty Cycle 1 =

t

BUS_REC(min)

/

(2 x t

BIT

)

TH

REC(max)

= 0.744 x V

BB

TH

DOM(max)

= 0.581 x V

BB

t

BIT

= 50 ms

V(V

BB

) = 5 V to 40 V, (Notes 7 and 8)

0.39 0.5

D2e Duty Cycle 2 =

t

BUS_REC(max)

/

(2 x t

BIT

)

TH

REC(min)

= 0.422 x V

BB

TH

DOM(min)

= 0.284 x V

BB

t

BIT

= 50 ms

V(V

BB

) = 5 V to 40 V, (Notes 7 and 8)

0.5 0.59

D3e Duty Cycle 3 =

t

BUS_REC(min)

/

(2 x t

BIT

)

TH

REC(max)

= 0.778 x V

BB

TH

DOM(max)

= 0.616 x V

BB

t

BIT

= 96 ms

V(V

BB

) = 5 V to 40 V, (Notes 7 and 8)

0.41 0.5

D4e Duty Cycle 4 =

t

BUS_REC(max)

/

(2 x t

BIT

)

TH

REC(min)

= 0.389 x V

BB

TH

DOM(min)

= 0.251 x V

BB

t

BIT

= 96 ms

V(V

BB

) = 5 V to 40 V, (Notes 7 and 8)

0.5 0.6

t

tx_prop_down_x

Propagation Delay of

TxDx to LINx. TxD

High to Low

1.3 4.2 10

ms

t

tx_prop_up_x

Propagation Delay of

TxDx to LINx. TxD Low

to High

1.3 4.6 10

ms

t

tx_sym_x

Propagation Delay

Symmetry

t

trx_prop_down_x

− t

trx_prop_up_x

−2.5 −0.4 2.5

ms

t

fall

LINx Falling Edge Normal Mode; V

BB

= 12 V 9 22.5

ms

t

rise

LINx Rising Edge Normal Mode; V

BB

= 12 V 10 22.5

ms

t

sym

LINx Slope Symmetry Normal Mode; V

BB

= 12 V −4 0 4

ms

LIN RECEIVERs

t

rec_prop_down_x

Propagation Delay of

LINx to RxDx Receiver

Falling Edge

0.1 1.6 6

ms

t

rec_prop_up_x

Propagation Delay of

LINx to RxDx Receiver

Rising Edge

0.1 1.35 6

ms

t

rec_sym_x

Propagation Delay

Symmetry

t

rec_prop_down_x

− t

rec_prop_up_x

−2 0.25 2

ms

7. The external pull-up resistor for duty cycles on V(V

BB

) = 40 V is 1 kW

8. Not tested in production Extended battery range (5 V; 40 V) is tested on limited sample base only

NCV7424DB0R2G

NCV7424DB0R2G

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