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L9911I

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20
DocID10990 Rev 13 7/20
L9911 Electrical specification
19
3 Electrical specification
3.1 Absolute maximum ratings
T
j
= -40 to 150 °C, unless otherwise specified.
3.2 Thermal data
3.3 Electrical characteristics
T
j
= -40 °C to 150 °C; unless otherwise specified.
Table 3. Absolute maximum ratings
Symbol Parameter Value Unit
V
S
DC supply voltage (2 min. @ 25 °C) 24 V
-
Transient supply voltage (load dump) [see Figure 8]
t < 500 ms
40 V
-
Transient supply voltage (low energy spikes)
(see Figure 8) ISO7637-1 pulse 1,2,3 /ISO7637-3
60 V
T
j
Junction temperature range -40 to 150 °C
T
stg
, T
case
Storage and case temperature range -40 to 150 °C
P
tot
Total power dissipation (@ T
case
150°C, I
field
5A) 4 W
-
Reverse battery voltage (see Figure 8) @ 25°C,
T = 15 sec.
-2.5 V
- Normal working condition reverse voltage (P vs. GND) -1.5 V
- DC pin current on F+, B+, GND (bonding limitation) 15 A
- ESD voltage MILSTD883C (All pins vs.GND) ±4 KV
Table 4. Thermal data
Symbol Parameter Value Unit
R
th j-case
Thermal resistance junction-to-case ≤1.5 °C/W
Table 5. Electrical characteristics
Symbol Parameter Test condition Min. Typ. Max. Unit
V
bat
Operating supply voltage - 7 - 18 V
I
b-sinked
Supply battery current - - - 25 mA
I
b-stby
Standby current B+ = 12.5 V, F+ = 0 V - - 500 μA
Electrical specification L9911
8/20 DocID10990 Rev 13
V
reg 1
Regulated voltage & thermal drift.
3 configurations available,
selectable by mask option (see
Table 8).
I
alt
=1 A-0.9 · I
nom
; T
case
= 20 °C;
1400 < rpm < RPMMAX
(see Figure 2)
14.0
-4.5
14.4
-3.5
14.8
-2.5
V
mV/°C
V
reg 2
I
alt
=10 A; T
case
= 23 °C;
rpm = 6000 rpm; 15 V max.
(see Figure 3)
14.35
-11.8
14.5
-10
14.65
-8.2
V
mV/°C
V
reg 3
I
alt
=10 A; T
case
= 23 °C;
rpm = 6000 rpm (see Figure 4)
14.35
-6
14.5
-4
14.65
-2
V
mV/°C
V
reg 4
I
alt
=10 A; T
case
= 23 °C;
rpm = 6000 rpm (see Figure 5)
13.95
-3.5
14.2
-2.5
14.3
-1.5
V
mV/°C
V
rpm
- 1400<rpm<RPMMAX; I
alt
= 10 A - - 200 mV
V
load
- 5 A<I
alt
< Inom; rpm = 6000 rpm - - 250 mV
V
reg-less
Reg. voltage without battery
I
alt
= 3 A resistive; T
case
= 25 °C;
2000 < rpm < RPMMAX
12 - 16 V
V
ov-p
Overvoltage protection threshold
Voltage on pin
B+ to disable L
drivers
High and low
side driver off
18 - 22 V
V
ov-d
Overvoltage diagnosis threshold
VB+ to turn on L low side driver
at VF+ > VS1
Vreg -
5%
Vreg
Vreg +
5%
V
T
j-sd
Thermal shutdown threshold
Temperature to disable F+,
DFM, L (high & low side drivers)
160 175 190 °C
T
j-sd-dwn
Thermal shut-down hysteresis
L/F+/DFM from OFF STATE
(due to thermal shutdown) to ON
STATE
Tj-sd-
10
-
Tj-sd-
2
°C
V
uv-1
Under voltage diagnosis threshold
VB+ to turn on L low side driver 7.7 8.6 9.5 V
V
uv-up
VB+ to turn off L low side driver
Vuv +
0.40
Vuv +
0.75
Vuv +
1.2
V
V
F+_sat
Field driver saturation voltage
T
j
= 150 °C; I = 4.5 A - - 0.6 V
T
j
= 25 °C; I = 7 A - - 0.55 V
V
f
Freewheeling diode F+ I = 5 A - - 2 V
I
f_SCTH
Field short circuit driver protection
threshold current
(see Figure 15)
F+ = 0 V; T
j
= -40 °C 11 - 18 A
F+ = 0 V; T
j
= -25 °C 9.5 - 18 A
F+ = 0 V; T
j
= -150 °C 9 - 18 A
V
s1
Field driver ON-state detection - 4.5 - 5.5 V
f
-pre
Pre-excitation frequency - 283 333 383 Hz
Duty-pre
Pre-excitation Field driver ON-duty
- 15.93 18.75 21.57 %
t
r
Output voltage rise time
I
field
= 3 A resistive
see Figure 6)
10 - 50 μs
t
f
Output voltage fall time 10 - 50 μs
F
sw_F+
Field switching frequency
I
alt
= 1 A~0.9 · I
nom
;
1400 rpm < rpm < RPMMAX
250 - 400 Hz
Table 5. Electrical characteristics (continued)
Symbol Parameter Test condition Min. Typ. Max. Unit
DocID10990 Rev 13 9/20
L9911 Electrical specification
19
If_leak Output field driver leakage current B+ = 24 V; V
F+
= 0 - - 10 A
DUTY-PR
Phase regulation max field ON
duty
see Figure 7 26.56 31.25 35.94 %
V
H_SAT
High side driver saturation
Voltage (see Figure 9)
With driver I
source
= 500 mA - - 1.5 V
V
L_SAT
Low side driver saturation voltage
(see Figure 9)
With driver I
sink
= 500 mA - - 1.5 V
V
LSB
Self bias without supply lamp
driver voltage
B+ open; L connected to 12 V
through a 50 Ohm resistor
--4V
I
HSC
High side driver short circuit
current protection
B+ = 12.5 V; L = GND 1.2 - 3 A
I
LSC
Low side driver short circuit
current (see Figure 15)
B+ = L = 12.5 V 1 - 2 A
V
thL
Enable regulator supply voltage
threshold
- 0.8 - 1.15 V
I
pd_L
L terminal pull-down current when
the generator is not rotating
V
L
= 0.6 V 0.4 - 3.5 mA
I
L_sink
L sink current when the generator
is rotating
P frequency 500 Hz; V
B+
= 12 V - - 100 μA
t
-D
Diagnostic alarm delay time - 0.2 - 0.5 s
V
can-DFM
Test mode to cancel soft start/
attack (voltage)
(see Figure 10)
30 - 50 V
t
can-DFM
Test mode delay time 25 - - ms
V
PHL1
Enable control voltage input high
threshold
- - - 0.40 V
V
PHL2
Enable control voltage input low
threshold
- - - 0.25
(1)
V
t
PHL1
Enable Control Voltage Phase
Filtering Time
-50-115μs
V
PHH1
Diagnosis phase loss input high
threshold
-8910V
V
PHH2_1
Diagnosis phase loss input low
threshold
- 6.4 7.4 8.4 V
t
PHd
Diagnostic phase filtering time - 50 - 100 μs
I
Pd-P1
Phase pull-down current VP = 0.8 V 1 - 8 mA
f
-dfm
DFM output open drain switching
freq.
I
alt
=1 A~0.9 · I
nom
;
1400 rpm < rpm < RPMMAX;
I
sink
= 4 mA
125 - 200 Hz
V
L-DFM
Output low voltage saturation I-sink = 14 mA - - 1.5 V
I
-SC_DFM
Short circuit current protection VB+ = VDFM = 12.5 V 50 - 400 mA
I
lk-DFM
Output leakage current V
DFM
=16 V at DFM driver OFF - - 5 μA
Table 5. Electrical characteristics (continued)
Symbol Parameter Test condition Min. Typ. Max. Unit
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20

L9911I

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Buy L9911I
Manufacturer:
STMicroelectronics
Description:
Power Management Specialized - PMIC Car Alternator Reg Multifunction Volt
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