l9958 STMicroelectronics, l9958 Datasheet - Page 32
![no-image](/images/manufacturer_photos/0/6/637/stmicroelectronics_sml.jpg)
l9958
Manufacturer Part Number
l9958
Description
Low Rdson Spi Controlled H-bridge
Manufacturer
STMicroelectronics
Datasheet
1.L9958.pdf
(38 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
l9958SBTR
Manufacturer:
ST
Quantity:
20 000
Part Number:
l9958XP
Manufacturer:
ST
Quantity:
20 000
Electrical specifications
6.4.10
Table 27.
32/38
10.10
10.11
Pos.
10.1
10.2
10.3
10.4
10.5
10.6
10.7
10.8
10.9
Symbol
dV
T
T
dI
T
T
T
T
T
f
T
T
d_filter
rise_H
ΔT
d_pow
pwm
fall_H
d_dis
out
d_en
out/
diag
don
doff
Timing characteristics
Timing characteristics
d
/d
d
t
t
PWM frequency
Delay time for switch-on
Delay time for switch-off
Delay time: symmetry
Disable delay time
Enable delay time
Power-on delay time
DI / EN digital filter time
Low-side transistor rise time
Low-side transistor fall time
Voltage slew rate for high-side
transistors
(Measurement is performed
between 30 % and 70 % of the
slope)
Current slew rate for high-side
transistors
(Measurement is performed
between 40 % and 60 % of the
slope)
Timing for reliable diagnostic
Parameter
Doc ID 17269 Rev 1
-
R
PWM → 90% V
10 % I
R
PWM → 10 % V
90% Iout)
PWM accuracy = 1% @
2kHz
DI / EN → 90% OUTx
@ I
DI / EN → 10 % OUT
DIR= PWM=EN=1 /
DI=0 no load / V
V
V
(= V
-
super fast mode
VSR = 0
VSR = 1
Super fast mode
(No current SR ctrl //
dependant on voltage
SR ctrl)
ISR=0
ISR=1
Guaranteed through
SCAN pattern
Non selectable by SPI
Non selectable by SPI
dd
ps
load
load
out
= V
increasing
ps
Test condition
@ I
@ I
)
out
= 3 A
dd
)
out
out
→ 10 % V
= 3 A
= 3 A
out
out
PS
(or
(or
=
out1
Min.
0.04
0.15
1.5
35
1
1
8
2
1
7
-
-
-
-
-
-
-
Typ.
0.3
14
14
4
2
3
-
-
-
-
-
-
-
-
-
-
-
Max.
0.45
200
0.2
2.2
4.5
20
10
10
24
24
55
5
6
6
3
6
3
L9958
Unit
V/µs
A/µs
kHz
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs