L6520, L6521 Electrical characteristics
Doc ID 16998 Rev 3 7/19
V
OH
HSD LSD Output high voltage Iload = 300 mA 13 V
I
SRC
HSD LSD Peak source current 300 mA
I
SNK
HSD LSD Peak sink current 300 mA
T
RISE
HSD LSD Rise time Cload = 1 nF 120 ns
T
FALL
HSD LSD Fall time Cload = 1 nF 120 ns
I
PD
HSD LSD Pull down current
Before turn-on, (V
CC
= 13V)
V
LSD
or V
HSD
= 1V
20 mA
Storage time compensation and hard switching detection
V
OUTup
PWM_det PWM detector threshold Positive going HB middle point 2.65 3 V
V
HSW
PWM_det
Hard switching detector
threshold
Negative going HB middle point 2 2.35 V
V
P_dclamp
PWM_det Clamping voltage I
PWM_det
= 2 mA 4.5 5 5.5 V
t
HSW
PWM_det
Max. time of hard switching
operation
(4)
, T
AMB
= 25 °C 200 ms
Half bridge current control circuit (CCC)
THL HBCS
First threshold in ignition
mode
0.96 1 1.04 V
THM HBCS
Second threshold in ignition
mode
1.21 1.26 1.31 V
THH HBCS
Third threshold in ignition
mode
2.4 2.5 2.6 V
TLL HBCS First threshold in run mode 0.67 0.7 0.73 V
TLM HBCS Second threshold in run mode 0.87 0.9 0.93 V
TLH HBCS Third threshold in run mode 1.7 1.8 1.9 V
T
PROT
Maximum current control time
(4)
, T
AMB
= 25 °C 200 ms
t1 HBCS
Minimum interval between two
consecutive threshold
crossing for slow events
(4)
, T
AMB
= 25 °C 510 ns
t2 HBCS
Minimum interval between two
consecutive threshold
crossing for fast events (not
saturating)
(4)
, T
AMB
= 25 °C 255 ns
∆f
TxL
HBCS
Frequency increase in case of
lower threshold crossing
(4)
, T
AMB
= 25 °C 1 kHz
∆f
slow
HBCS
Frequency increase in case of
slow event
(4)
, T
AMB
= 25 °C 1 kHz
∆f
fast
HBCS
Frequency increase in case of
fast event
(4)
, T
AMB
= 25 °C 2 kHz
Table 5. Electrical characteristics (continued)
Symbol Pin Parameter Test condition Min. Typ. Max. Unit