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L9958SB Fiches technique(PDF) 13 Page - STMicroelectronics

No de pièce L9958SB
Description  Low RDSON SPI controlled H-Bridge
PDF  38 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9958SB Fiches technique(HTML) 13 Page - STMicroelectronics

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L9958
Device description
Doc ID 17269 Rev 5
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Table 7.
Configuration protocol (CFG_REG)
Bit
Name
Description
Config. value
after reset
0 - LSB
RES
Reserved
—
1
DR
Diagnostic Reset Bit
0
2
CL_1
Bit1 for Regulation Current Level
0
3
CL_2
Bit2 for Regulation Current Level
1
4
RES
Reserved
—
5
RES
Reserved
—
6
RES
Reserved
—
7
RES
Reserved
—
8
VSR
Voltage Slew Rate Control Value
0
9
ISR
Current Slew Rate Control Value
0
10
ISR_DIS
Current Slew Rate Control Disable
0
11
OL_ON
Open Load in ON state Enable
0
12
RES
Reserved
—
13
RES
Reserved
—
14
0
“0” to be written
—
15-MSB
0
“0” to be written
—
Table 8.
Diagnosis protocol (DIA_REG)
Bit
Name
Description
Status after
reset
Bit state
DR impact
H-bridge
status
0-LSB
OL_OFF
Open Load in OFF condition
0
Latched
–
–
1
OL_ON
Open Load in ON condition
0
Latched
–
–
2
VS_UV
Vs undervoltage
0
Not latched
–
Hi-Z if “1”
3
VDD_OV
Vdd overvoltage
0
Latched
X
Hi-Z if “1”
4
ILIM
Current Limitation reached
0
Latched
–
–
5
TWARN
Temperature warning
0
Latched
–
–
6
TSD
Over-temperature Shutdown
0
Latched
X
Hi-Z if “1”
7
ACT
Bridge enable
1
Not latched
–
Hi-Z if “0”
8
OC_LS1
Over-Current on Low Side 1
0
Latched
X
Hi-Z if “1”
9
OC_LS2
Over-Current on Low Side 2
0
Latched
X
Hi-Z if “1”
10
OC_HS1
Over-Current on High Side 1
0
Latched
X
Hi-Z if “1”
11
OC_HS2
Over-Current on High Side 2
0
Latched
X
Hi-Z if “1”
12
Null
Not Used
–
–
–
–
13
Null
Not Used
–
–
–
–
14
SGND_OFF
Short to GND in OFF condition
0
Latched
–
–
15-MSB
SBAT_OFF
Short to Battery in OFF condition
0
Latched
–
–



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