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L9733XP Datasheet(PDF) 29 Page - STMicroelectronics

Part # L9733XP
Description  Octal self configuring low/high side driver
PDF  34 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9733XP Datasheet(HTML) 29 Page - STMicroelectronics

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L9733
Fault operation
Doc ID 11319 Rev 11
29/34
Figure 7.
L9733 application schematic
Figure 8.
L9733 HVAC applicative examples
8 HIGH/LOW SIDE DRIVER
DRN[x]
SRC[x]
DRN[x]
SRC[x]
VDO
SCLK
DI
DO
CS
IN6
IN7
IN8
To driver 6
To driver 7
To driver 8
GND
RES
VBAT
VDD
High Side Driver
Configuration
Low Side Driver
Configuration
8 HIGH/LOW SIDE DRIVER
DRN[x]
SRC[x]
DRN[x]
SRC[x]
VDO
SCLK
DI
DO
CS
IN6
IN7
IN8
To driver 6
To driver 7
To driver 8
GND
RES
VBAT
VDD
High Side Driver
Configuration
Low Side Driver
Configuration
High Side Driver
Configuration
Low Side Driver
Configuration
Four flap motors become sequentially driven. Unipolar stepper motor are
selected by 4 high-side configured switches. If the decoupling diodes are inside
the motor housing, only 8 wires are needed to drive this arrangement.
SM
SM
SM
SM
Vbatt
Stall sense
L9733
Four flap motors become sequentially driven. Unipolar stepper motor are
selected by 4 high-side configured switches. If the decoupling diodes are inside
the motor housing, only 8 wires are needed to drive this arrangement.
SM
SM
SM
SM
Vbatt
Stall sense
L9733
Vbatt
M
M
M
M
M
M
L9733
4 channels configured to low- and 4 channels
configured to high side build a quad half bridge.
Vbatt
M
M
M
M
M
M
L9733
Vbatt
M
M
M
M
M
M
L9733
4 channels configured to low- and 4 channels
configured to high side build a quad half bridge.
This can drive 3 DC-motors sequantially.



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