L9524C-TR Просмотр технического описания (PDF) - STMicroelectronics

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производитель

L9524C-TR

Glow plug system control IC

STMicroelectronics 

L9524C

Electrical specifications

Table 5. Electrical characteristics (continued)

Item Symbol

Parameter

Test condition

Min. Typ. Max. Unit

Control input (CI)

4.1

VCI off Input “off” level

4.2

VCI on Input “on” level

4.3

VCI h Off-to-on hysteresis (1)

4.4

VCI to Input “timeout” threshold

4.5

RCI

Internal pull-up

resistance

4.6

tCI fil

Filter time (2)

4.7

tCI to

PWM time-out (2)

VCI ≤ VVS; -40°C

VCI ≤ VVS; 30°C

VCI ≤ VVS; 125°C

Diagnostic output (DO)

0.6 ·

VVS

0.4 ·

VVS

0.03 · 0.04 · 0.05 ·

VVS

VVS

VVS

1

1.6

V

20

35

120

20

53

120 kΩ

20

87

120

0.5

1

ms

50

100 ms

5.1

VDOL Output low voltage

5.2

RDO

Internal pull-up

resistance

5.3

IDO max Current limitation

VVS ≥ 4.5V; IDO ≤ 5mA

VDO ≤ VVS; -40°C

VDO ≤ VVS; 30°C

VDO ≤ VVS; 125°C

0.3

1.5

V

20

30

120

20

45

120 kΩ

20

74

120

5

20 mA

Monitoring of currents through glow plugs (SP1-SN1, SP2-SN2, SP3-SN3, SP4-SN4, SP2-SN5, SP4-SN6)

6.1

ΔVOL Open-load threshold

6V ≤ VSPX;VSNX ≤ VVS + 3V

6.7

1.5V ≤ VSPX;VSNX ≤ VVS + 3V

VMS < VMS tc (shunt sense)

150

OCT pin open

14.7 mV

185 mV

1.5V ≤ VSPX;VSNX ≤ VVS + 3V

VMS < VMS tc (shunt sense)

VOCT ·

0.385

6.2

ΔVOC 0 Overcurrent threshold

0V ≤ VOCT ≤ VCUR

1.5V ≤ VSPX;VSNX ≤ VVS + 3V

VMS>VMS tc (transistor sense) 150

ϑ = -40°C; OCT pin open

VOCT ·

0.445

290 mV

1.5V ≤ VSPX;VSNX ≤ VVS + 3V

VMS>VMS tc (transistor sense)

ϑ = -40°C; 0V ≤ VOCT ≤ VCUR

VOCT ·

0.345

VOCT ·

0.485

VMS < VMS tc (shunt sense) 1)

0

K-1

6.3

TCOC

Overcurrent threshold

temperature coefficient

VMS>VMS tc (transistor sense) 0.008

0.012 K-1

OCT pin open

6.4

tOL fil

Open-load filter time (2) VMS > VMS tr (transistor mode)

1

2

ms

9/27

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