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L99MH98 датащи(PDF) 130 Page - STMicroelectronics

номер детали L99MH98
подробное описание детали  Automotive octal half-bridge pre-driver
PDF  147 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L99MH98 датащи(HTML) 130 Page - STMicroelectronics

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8
Application examples
The L99MH98 is a device that integrates the control of 8 external half-bridges in a completely independent and
configurable way. This allows the device to be used in multiple application scenarios.
To show the potential of L99MH98 some of the possible application scenarios are shown here.
A classic configuration where 4 motors are controlled simultaneously is shown in the Figure 40: 4 different H-
bridges are controlled simultaneously from L99MH98.
Figure 40. Driving 4 DC motors simultaneously
M
VDD
EN
2x
2x
2x
2x
GH1
/2
SH1
/2
GL1
/2
GH3/4
SH3/4
GL3/4
GH5
/6
SH5
/6
GL5
/6
GH7/8
SH7/8
GL7/8
CPC1N
CPC2P
CPC2N
CSN
SCLK
SDO
SDI
SL
PWM1
PWM2
PWM3
CSO1
CSO2
DIODE3
DIODE4
DIODE1
DIODE2
CP
CP
CP
GND
M
M
M
VDH
µC (input)
µC (output)
µC (output)
µC (output)
µC (input)
VProtected
VBAT
10k
VProtected
µC (input)
VS
SH1
SH2
SH3
SH4
SH5
SH6
SH7
SH8
SL
VProtected
VProtected
VProtected
GND
DIODE1
GND
DIODE2
GND
DIODE3
GND
DIODE4
PGND
VDH
VDH
VDH
VProtected
DIAGN
SPI interface
to
watchdog
Charge
pump
Driver
interface,
logic and
diagnostics
PWMx
controller
sample and hold
Muxer
and
Current
generator
and
ADC
L99MH98
Application examples
DS14611 - Rev 3
page 130/147



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