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
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