參數(shù)資料
型號: L6460TR
廠商: STMICROELECTRONICS
元件分類: 運(yùn)動控制電子
英文描述: STEPPER MOTOR CONTROLLER, PQFP64
封裝: 10 X 10 MM, 1 MM HEIGHT, ROHS COMPLIANT, TQFP-64
文件頁數(shù): 99/139頁
文件大?。?/td> 3837K
代理商: L6460TR
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 “l(fā)ow 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
Z
0
XX
XXX
Z
011
X
Z
010
0
X
Z
010
100
0
Z
010
100
10
010
101
0
Z
010
101
11
010
11
X
Z
High side
Driver
Low side
Driver
Control
Logic
DCX Phase output
VSupply
Vpump
Control Signals
From SPI
Fau
lt
Sig
n
als
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