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L9524C-TR

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27
L9524C Electrical specifications
7/27
3 Electrical specifications
3.1 Absolute maximum ratings
Warning: The device may become damaged if using externally applied
voltages or currents exceeding these limits!
All the pin of the IC are protected against ESD. the verification is performed according to:
AEC Q100-002 (HBM) and AEC Q100-011 (CDM).
3.2 Thermal data
Table 3. Absolute maximum ratings
Symbol Parameter Value Unit
V
VS
Supply voltage range -0.3 to 45 V
|dV
VS
/dt| Supply voltage slope 10 V/s
V
CP
Charge pump voltage range -0.3 to 45 V
V
BAT
, V
CI
,
V
SP1-4
,
V
SN1-6
Input pin voltage range (BAT, CI, SP1-4, SN1-6) -16 to 45 V
V
OCT
, V
CUR
,
V
MS
, V
IO
Input pin voltage range (OCT, CUR, MS, IO) -0.3 to 7 V
V
DO
, V
G1-4
Output pin voltage range (DO, G1-4) -16 to 45 V
Table 4. Thermal data
Symbol Parameter Value Unit
T
J
Operating junction temperature -40 to 125 C
T
JSD
Junction temperature thermal shutdown threshold 125 to 150 C
Electrical specifications L9524C
8/27
3.3 Electrical characteristics
5V V
VS
;V
BAT
18V, -40C T
J
125C, unless otherwise specified. The voltages are
referred to GND and currents are assumed positive, when current flows into the pin.
Table 5. Electrical characteristics
Item Symbol Parameter Test condition Min. Typ. Max. Unit
Supply (VS)
1.1 I
VS
Supply current
1520mA
V
S
= 12V 1 10 mA
1.2 V
VS uv
Undervoltage threshold 4 5 V
1.3 V
VS uvh
Undervoltage threshold
hysteresis
(1)
100 400 mV
1.4 V
VS ol
Open-load detection
threshold
5.5 7.2 V
1.5 V
VS ov
Overvoltage threshold 18 22 V
1.6 V
VS ovh
Overvoltage threshold
hysteresis
(1)
0.4 1.6 V
1.7 V
VS ld
Load dump threshold 28 35 V
1.8 t
VS fil
Filter time
(2)
12ms
1.9 t
VS ld
Load dump delay time
(1)
10 s
Supply (BAT)
2.1 I
BAT leak
Leakage current
V
VS
3V
0V V
BAT
12V
05A
2.2 R
BAT
Internal pull-down
resistance
-40°C 25 43 150
k30°C 25 65 150
125°C 25 106 150
2.3 V
BAT uv
Battery undervoltage
threshold
V
MS
> V
MS tr
(transistor mode) 1 2 V
2.4 t
BAT fil
Filter time
(2)
300 760 s
Charge pump (CP)
3.1 V
CP
Charge pump voltage I
CP
= -100A
V
VS
+5V
V
VS
+18V
3.2 I
CP
Charging current V
CP
= V
VS
+ 5V -1500 -100 A
3.3 V
CP uv
Charge pump
undervoltage threshold
V
VS
+3.5V
V
VS
+5V
3.4 f
CP
Charge pump frequency
(1)
0.6 7 MHz
3.5 t
CP fil
Filter time
(2)
400 950 s
L9524C Electrical specifications
9/27
Control input (CI)
4.1 V
CI off
Input “off” level
0.6 ·
V
VS
4.2 V
CI on
Input “on” level
0.4 ·
V
VS
4.3 V
CI h
Off-to-on hysteresis
(1)
0.03 ·
V
VS
0.04 ·
V
VS
0.05 ·
V
VS
4.4 V
CI to
Input “timeout” threshold 1 1.6 V
4.5 R
CI
Internal pull-up
resistance
V
CI
V
VS
; -40°C 20 35 120
kV
CI
V
VS
; 30°C 20 53 120
V
CI
V
VS
; 125°C 20 87 120
4.6 t
CI fil
Filter time
(2)
0.5 1 ms
4.7 t
CI to
PWM time-out
(2)
50 100 ms
Diagnostic output (DO)
5.1 V
DOL
Output low voltage V
VS
4.5V; I
DO
5mA 0.3 1.5 V
5.2 R
DO
Internal pull-up
resistance
V
DO
V
VS
; -40°C 20 30 120
kV
DO
V
VS
; 30°C 20 45 120
V
DO
V
VS
; 125°C 20 74 120
5.3 I
DO max
Current limitation 5 20 mA
Monitoring of currents through glow plugs (SP1-SN1, SP2-SN2, SP3-SN3, SP4-SN4, SP2-SN5, SP4-SN6)
6.1 V
OL
Open-load threshold 6V V
SPX
;V
SNX
V
VS
+ 3V 6.7 14.7 mV
6.2 V
OC 0
Overcurrent threshold
1.5V V
SPX
;V
SNX
V
VS
+ 3V
V
MS
< V
MS tc
(shunt sense)
OCT pin open
150 185 mV
1.5V V
SPX
;V
SNX
V
VS
+ 3V
V
MS
< V
MS tc
(shunt sense)
0V V
OCT
V
CUR
V
OCT
·
0.385
V
OCT
·
0.445
1.5V V
SPX
;V
SNX
V
VS
+ 3V
V
MS
>V
MS tc
(transistor sense)
= -40C; OCT pin open
150 290 mV
1.5V V
SPX
;V
SNX
V
VS
+ 3V
V
MS
>V
MS tc
(transistor sense)
= -40C; 0V V
OCT
V
CUR
V
OCT
·
0.345
V
OCT
·
0.485
6.3 TC
OC
Overcurrent threshold
temperature coefficient
V
MS
< V
MS tc
(shunt sense)
1)
0K
-1
V
MS
>V
MS tc
(transistor sense)
OCT pin open
0.008 0.012 K
-1
6.4 t
OL fil
Open-load filter time
(2)
V
MS
> V
MS tr
(transistor mode) 1 2 ms
Table 5. Electrical characteristics (continued)
Item Symbol Parameter Test condition Min. Typ. Max. Unit
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27

L9524C-TR

Mfr. #:
Buy L9524C-TR
Manufacturer:
STMicroelectronics
Description:
Linear Voltage Regulators Glow Plug System Control IC Six
Lifecycle:
New from this manufacturer.
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