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L99MH98 Fiches technique(PDF) 92 Page - STMicroelectronics

No de pièce L99MH98
Description  Automotive octal half-bridge pre-driver
PDF  147 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L99MH98 Fiches technique(HTML) 92 Page - STMicroelectronics

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Bit
Name
Description
1
HB_WHEEL3 [1] HB3 free-wheeling mode
00 = 11 = No mapping
01 = Active free-wheeling on HS of the HB
10 = Active free-wheeling on LS of the HB
0
HB_WHEEL3 [0]
Table 135. HB3_DRIVER_CFG (0x19) MSB
Bit 14
Bit 13
Bit 12
Bit 11
Bit 10
Bit 9
Bit 8
0 (RO)
0 (RW)
0 (RW)
0 (RW)
0 (RW)
0 (RW)
0 (RW)
RES
VSTEP2_CONF3
[1]
VSTEP2_CONF3
[0]
ISTEP3_CONF3
[3]
ISTEP3_CONF3
[2]
ISTEP3_CONF3
[1]
ISTEP3_CONF3
[0]
Reserved
HB3 Vstep1 and
Vstep2 conf [1]
HB3 Vstep1 and
Vstep2 conf [0]
HB3 Istep3 conf
[3]
HB3 Istep3 conf
[2]
HB3 Istep3 conf
[1]
HB3 Istep3 conf
[0]
Table 136. HB3_DRIVER_CFG (0x19) MSB description
Bit
Name
Description
14
RES
Reserved bit
13
VSTEP2_CONF3 [1]
Vstep1 and Vstep2 thresholds configuration of the HB3
These two bits set the Vstep1 and Vstep2 thresholds of the HB3
00: Vstep1 = 1.1 V, Vstep2 = 2.67 V for the switch ON
00: Vstep1 = 1.3 V, Vstep2 = 3.33 V for the switch OFF
01: Vstep1 = 1.1 V, Vstep2 = 3.56 V for the switch ON
01: Vstep1 = 1.3 V, Vstep2 = 4.44 V for the switch OFF
10: Vstep1 = 2.2 V, Vstep2 = 4.45 V for the switch ON
10: Vstep1 = 2.6 V, Vstep2 = 5.55 V for the switch OFF
11: Vstep1 = 2.2 V, Vstep2 = 5.34 V for the switch ON
11: Vstep1 = 2.6 V, Vstep2 = 6.66 V for the switch OFF
12
VSTEP2_CONF3 [0]
11
ISTEP3_CONF3 [3]
Istep3 configuration of the HB3
0000 = 2 mA
0001 = 4 mA
0010 = 8 mA
0011 = 12 mA
0100 = 20 mA
0101 = 28 mA
0110 = 36 mA
0111 = 44 mA
1000 = 52 mA
1001 = 60 mA
1010 = 68 mA
1011 = 76 mA
1100 = 84 mA
1101 = 92 mA
1110 = 104 mA
1111 = 120 mA
10
ISTEP3_CONF3 [2]
9
ISTEP3_CONF3 [1]
8
ISTEP3_CONF3 [0]
L99MH98
SPI Registers
DS14611 - Rev 3
page 92/147



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