bd63800muf-凯发k8一触即发
车载用 40v耐压 低功耗双极pwm恒流驱动 步进电机驱动器
bd63800muf-c
主要规格
特性：
power supply voltage (max.) [v]
28
power supply voltage (min.) [v]
6
vcc (max.)[v]
40
iout (max.)[a]
1.21
iout peak (max.)[a]
1.35
output on resistance (typ.)[ω]
0.75
step
to 1 / 32
mix decay function
yes
single power supply input
yes
automotive class
yes
interface
clk-in/serial interface(spi)
operating temperature (min.)[°c]
-40
operating temperature (max.)[°c]
125
package size [mm]
5x5 (t=1)
common standard
aec-q100 (automotive grade)
特点：
- aec-q100 qualified(grade 1)
- low on resistance dmos output
- clk-in drive mode
- pwm constant current control(separately excited)
- built-in spike noise cancel function
(no external noise filter is required) - supported modes: full step, 1/2, 1/4, 1/8, 1/16 and 1/32 step
- excitation mode switching timing free
- current decay mode switch function
mix decay: linear adjustment of slow decay / fast decay ratio
auto decay: automatic switch of slow decay / fast decay - selectable rotation direction: clockwise/counter clockwise
- power save function
- built-in pull-down resistors for logic input
- power-on reset function
- malfunction prevention function w/o power supply
(ghost supply prevention function) - thermal shutdown function(tsd)
- thermal warning function(tw)
- over current protection function(ocp)
- over voltage lock-out function(ovlo)
- under voltage lock-out function(uvlo)
- under voltage motor hold function
- open detection function
- stall detection function
- adjacent pin short protection
reference design / application evaluation kit
-
- evaluation board - bd63800muf-evk-002
bd63800muf-evk-002 is an evaluation board for the automotive stepping motor driver ic. also, a gui can be provided by rohm for easy spi register configuration.
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