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L6460 Datasheet(PDF) 62 Page - STMicroelectronics

Part # L6460
Description  SPI configurable stepper and DC multi motor driver
PDF  139 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6460 Datasheet(HTML) 62 Page - STMicroelectronics

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Power bridges
L6460
62/139
Doc ID 17713 Rev 1
Figure 17.
Half bridge configuration
In this case each half bridge will behave according to the following truth table.
Note:
When “low power mode” bit is active the bridges will reduce its biasing thus contributing to
the power saving.
When a current limit event occurs this event will be latched and the bridges will remain in
high impedance state for the off time.
Table 19.
Half bridge truth table
TSD
nReset
Low
power
mode
Enable
Current
limit
MtrXCtrl
SideA/B
PWM
OUT
1
XXX
XXX
Z
0
0
XX
XXX
Z
011
X
X
X
X
Z
010
0
X
X
X
Z
010
100
0
Z
010
100
10
010
101
0
Z
010
101
11
010
11
X
X
Z
High side
Driver
Low side
Driver
Control
Logic
DCX Phase output
VSupply
Vpump
Control Signals
From SPI



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