L9341H STMicroelectronics, L9341H Datasheet - Page 7

• Manufacturer Part Number: L9341H
• Description: MOSFET & Power Driver ICs Quad 24V 2A Lo-Side
• Manufacturer: STMicroelectronics
• Type: Quad Low Side Driverr

Specifications of L9341H

• Mounting Style: Through Hole
• Package / Case: Multiwatt-15
• Number Of Drivers: 4
• Number Of Outputs: 4
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Figure 7: Diagnostic Information from QLSD to Microcontroller.
Figure 8.
Note:
For safty diagnostic take notice of the following conditions:
t
t
PWMON
PWMOFF
Bit Nr.
PWM
I D
V OUT
t
10
11
12
13
14
15
dPOMAX
t
0
1
2
3
4
5
6
7
8
9
dPOMAX
+ t
+ t
t
Sample point COMP1
C
dPO
V
t
+ t
PWMON
(see Fig. B)
Fig. A
Fig.1
min
V
t C
(see Fig. A)
Name
RES1
RES2
TSDF
F11
F12
F21
F22
F31
F32
F41
F42
t V
C1
C2
C3
C4
1
Sample point COMP2
COMP1 State at Positive Edge of PWM1 (0: V
COMP2 State at Negative Edge of PWM1 (1: V
COMP1 State at Positive Edge of PWM2 (0: V
COMP2 State at Negative Edge of PWM2 (1: V
COMP1 State at Positive Edge of PWM3 (0: V
COMP2 State at Negative Edge of PWM3 (1: V
COMP1 State at Positive Edge of PWM4 (0: V
COMP2 State at Negative Edge of PWM4 (1: V
Logic State of RES1 Input (0: RES1 = L ; 1: RES1 = H)
Logic State of RES2 Input (0: RES2 = L ; 1: RES2 = H)
Thermal Diagnostic Flag ( 0: Overtemperature ; 1:Normal )
Current at Negative Edge of PWM1 ( 0: I
Current at Negative Edge of PWM2 ( 0: I
Current at Negative Edge of PWM3 ( 0: I
Current at Negative Edge of PWM4 ( 0: I
Framing Information (always 1)
t
C
S
OCMIN
I
D
t
V
V
S
outfmax
OVMIN
Contents
out
out
out
out
PWM
V OUT
t
PWMOFF
> I
> I
> I
> I
min
outl
outl
outl
outl
out1
out2
out3
out4
t
out1
out2
out3
out4 > Voffth
dPO
; 1: I
; 1: I
; 1: I
; 1: I
> V
> V
> V
> V
> V
> V
> V
Sample point COMP2
Fig. B
flyth
flyth
flyth
flyth
out
out
out
out
Fig.2
off th
oft h
off th
t V
; 1: V
; 1: V
; 1: V
; 1: V
; 0 : V
< I
< I
< I
< I
; 0 : V
; 0 : V
; 0 : V
outl
outl
outl
outl
Sample point COMP1
out1
out2
out3
out4
)
)
)
)
out4
out2
out1
out3
< V
< V
< V
< V
< V
< V
< V
< V
flyth
flyth
flyth
flyth
ofth
ofth
ofth
ofth
)
)
)
)
)
)
)
)
L9341
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