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L99H01XP Datasheet(PDF) 39 Page - STMicroelectronics

No. de pieza L99H01XP
Descripción Electrónicos  Motor bridge driver for automotive applications
PDF  53 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L99H01XP Datasheet(HTML) 39 Page - STMicroelectronics

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DocID15567 Rev 5
39/53
L99H01
Functional description of the SPI
52
Comments:
•
RWD: Restarts the watchdog counter
•
COPT[2:0]: Filter time to protect the two external halfbridges against cross current.
•
FW: Selects high-side or low-side free wheeling
•
MCSA: Multiplexer for current sense amplifier.
•
GCSA[1:0]: Gain of the current sense amplifier.
Table 36. Address 2 <02(hex)>: ApplReg2 – read/write
Bit
7
654
3
2
10
Name
RWD
COPT_2
COPT_1
COPT_0
FW
MCSA
GCSA_1
GCSA_0
<default>
0
0
0
0
0
0
0
0
Table 37. Cross current protection time (tCCP)
COPT_2
COPT_1
COPT_0
Protection time
0
0
0
250 ns
0
0
1
500 ns
0
1
0
750 ns
0
1
1
1000 ns
1
0
0
1250 ns
1
0
1
1500 ns
1
1
0
1750 ns
1
1
1
2000 ns
Table 38. Multiplexer for current sense amplifier
MCSA
Selected amplifier
0
CSA2 (CSI2+ / CSI2-)
1
CSA1 (CSI1+ / CSI1-)
Table 39. Gain of current sense amplifier
GCSA_1
GCSA_0
Gain
00
10
01
20
10
50
1
1
Not applicable



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