bd63740fm-凯发k8一触即发
高性能、高可靠性36v耐压 步进电机驱动器主要规格
特性：
power supply voltage (max.) [v]
28
power supply voltage (min.) [v]
8
vcc (max.)[v]
36
iout (max.)[a]
4
iout peak (max.)[a]
4.5
output on resistance (typ.)[ω]
0.28
step
to 1 / 16
mix decay function
yes
single power supply input
yes
automotive class
no
interface
clk-in
operating temperature (min.)[°c]
-25
operating temperature (max.)[°c]
85
package size [mm]
18.5x9.9 (t=2.4)
特点：
- rated output current 4.0a
- low on resistance dmos output
- clk-in drive mode
- pwm constant current (other oscillation)
- built-in spike noise cancel function (external noise filter is unnecessary)
- full step (2 types), half step (2 types), quarter step (2 types), 1/8 step, 1/16 step functionality
- freely timing excitation mode switch
- current decay mode switch (linearly variable slow/fast decay ratio)
- normal rotation & reverse rotation switching function
- power save function
- built-in logic input pull-down resistor
- power-on reset function
- thermal shutdown circuit (tsd)
- over-current protection circuit (ocp)
- under voltage lock out circuit (uvlo)
- over voltage lock out circuit (ovlo)
- protects against malfunction when power supply is disconnected (ghost supply prevention function)
- adjacent pins short protection
