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參數(shù)資料
| 型號(hào)： | L6256 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 12V COMBO |
| 中文描述： | 12V的組合 |
| 文件頁(yè)數(shù)： | 4/28頁(yè) |
| 文件大?。?/td> | 258K |
| 代理商： | L6256 |
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6,7,29,39,40
GND
R
SLEW
100K
C2 47nF
POR_RC
BEMF_DET
12
9
8
SCLK
13
nPOR
10
V
+
-
V
CC
14
SDIO
RDIO 1.2K
15
VCC
20
QDRIVE
R
S
1.5
21
VREG_IN
22
CUR_IN
C3
22
μ
F
esr 0.5
17
5V_GND
VC_PWR
35
REF_IN
R
REF
62.5K
R
REF2
120K
18
CP_OUT
19
24
CP_CAP
R_SLEW
R
PWM
33K
11
PWM_IN
BYPASSC
Cbyp
10nF
16
V
+
-
V
DD
4
SP_G1
44
SP_G2
C
POUT
33nF
D4
D5
C
PCAP
2.2
μ
F
35V
D1
34
VDD
C1
4.7
μ
F
25V
41
43
1
3
SP_C
SP_B
SP_A
C_TAP
42
SP_P2
C
100nF
33
H_VPWR
32
DAC
R
b
4.3K
31
IO_VC
R
a
1.5K
30
A_IN
27
25
PARK
A_OUT
R
p1
51K
R
p2
100K
C
fb
390pF
R
fb
120K
R
0.75
26
I_VC
23
B_OUT
2
SP_P1
SPINDLE
4Cffc
37
FF_COMP
38
C
sh
3.3nF
R
sh
100K
SH_OUT
36
C
dc
10nF
R
100K
PWM_DC
5
SP_CLK
28
CSELB
PWM
nPOR
D97IN573
VCM
SP_CLK
SP_C
SP_B
SP_A
C_TAP
I_VC
B_OUT
BEMF_DET
SCLK
SDIO
vpwr
3.3V
CSelB (from
μ
P)
TYPICAL APPLICATION DIAGRAM
DESIGN FORMULAS:
1.
Spindle Run Mode Slew Rate:
SR
=
1500
10
3
Rslew
(
Volts
/
μ
s
)
2.
Feedforward Compensation:
1
Tpwm
=
Tpwm
Tpwm
+
0.7
μ
s
Vref
V
ref
=
Rpwmdc
Rpwm
2.47
(
V
)
Vrslew
=
(
Vpwr
+
0.8
)
1.86
Fpwm = PWM chopping frequency
Din = Input duty cycle at pwm_in
Dout = Spindle output duty cycle
Fpwm
=
1
Cffc
Rslew
(
Hz
)
Dout
=
Vrslew
Din
(
V
)
3.
Current Limit: Ilimit
=
20
10
3
Vcc
Rref
(
A
)
4.
BEMF Zero Crossing Detector:
- Slope Compensation: Csh
Rsh
=
Vbemf = Amplitude of bemf
N = Run mode speed of the motor in RPM
- Window width:
Vcc
Rref
Rref
+
Rref2
Vbemf
N
Polepair
(μ
s
)
5.9683
Vbemf
N
(
sec
)
t
win
=
15404
5.
VCM PARKING VOLTAGE:
V
A,park
=
0.5
1
+
Rp2
Rp1
(
V
)
6.
3.3V REGULATOR:
Max Load Current: I
MAX
=
0.3
Rs
(
A
)
L6256
4/28
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L6258 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:PWM controlled high current DMOS universal motor driver |
| L6258_07 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:PWM controlled high current DMOS universal motor driver |
| L6258A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Stepper Motor Controller/Driver |
| L6258E | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 Dual Full Bridge RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| L6258E_07 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:PWM controlled high current DMOS universal motor driver |
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