UJA1069 datasheet(43/64 Pages) PHILIPS

Part #	UJA1069

Description	LIN fail-safe system basis chip

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Manufacturer	PHILIPS [NXP Semiconductors]

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UJA1069_2

Preliminary data sheet

Rev. 02 — 5 March 2007

43 of 64

NXP Semiconductors

UJA1069

LIN fail-safe system basis chip

Battery supply monitor input; pin SENSE

Vth(SENSE)

input threshold low

battery voltage

detection

1

2.5

3

V

release

1.7

-

4

V

IIH(SENSE)

HIGH-level input

current

Normal mode; BATFIE = 1

20

50

100

µA

Standby mode; BATFIE = 1

5

10

20

µA

Normal mode or Standby

mode; BATFIE = 0

-

0.2

2

µA

Voltage source; pin V1[2]; see also Figure 17 to Figure 23

Vo(V1)

output voltage

VBAT14 = 5.5 V to 18 V;

IV1 = −120 mA to −5 mA;

Tj =25 °C

VV1(nom) −

0.1

VV1(nom)

VV1(nom) +

0.1

V

VBAT14 = 14 V; IV1 = −5 mA;

Tj =25 °C

VV1(nom) −

0.025

VV1(nom)

VV1(nom) +

0.025

V

∆VV1

supply voltage

regulation

VBAT14 = 9 V to 16 V;

IV1 = −5 mA; Tj =25 °C

-

1

25

mV

load regulation

VBAT14 =14V;

IV1 = −50 mA to −5 mA;

Tj =25 °C

-

5

25

mV

voltage drift with

temperature

VBAT14 = 14 V; IV1 = −5 mA;

Tj = −40 °C to +150 °C

[3] -

-

200

ppm/K

Vdet(UV)(V1)

undervoltage

detection and reset

activation level

VBAT14 =14V;

V1RTHC[1:0] = 00 or 11

0.90

×

VV1(nom)

0.92

×

VV1(nom)

0.95

×

VV1(nom)

V

VBAT14 =14V;

V1RTHC[1:0] = 01

0.80

×

VV1(nom)

0.82

×

VV1(nom)

0.85

×

VV1(nom)

V

VBAT14 =14V;

V1RTHC[1:0] = 10

0.70

×

VV1(nom)

0.72

×

VV1(nom)

0.75

×

VV1(nom)

V

Vrel(UV)(V1)

undervoltage

detection release

level

VBAT14 = 14 V;

V1RTHC[1:0] = 00 or 11

-

0.94

×

VV1(nom)

-V

VBAT14 = 14 V;

V1RTHC[1:0] = 01

-

0.84

×

VV1(nom)

-V

VBAT14 = 14 V;

V1RTHC[1:0] = 10

-

0.74

×

VV1(nom)

-V

VUV(VFI)

undervoltage level

for generating a VFI

interrupt

VBAT14 = 14 V; VFIE = 1

0.90

×

VV1(nom)

0.93

×

VV1(nom)

0.97

×

VV1(nom)

V

IthH(V1)

undercurrent

threshold for

watchdog enable

−10

−5

−2mA

IthL(V1)

undercurrent

threshold for

watchdog disable

−6

−3

−1.5

mA

Table 25.

Static characteristics …continued

Tvj = −40 °C to +150 °C, VBAT42 = 5.5 Vto52 V;VBAT14 = 5.5 Vto27 V;VBAT42 ≥ VBAT14 − 1 V; unless otherwise speciﬁed. All

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

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

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