參數(shù)資料
型號(hào)： L6207PD
廠商： 意法半導(dǎo)體
英文描述： DMOS DUAL FULL BRIDGE DRIVER WITH PWM CURRENT CONTROLLER
中文描述： 偶的DMOS全橋驅(qū)動(dòng)器，帶有PWM電流控制器
文件頁數(shù)： 10/23頁
文件大?。?/td> 387K
代理商： L6207PD
L6207
10/23
Figure 8. Output Current Regulation Waveforms
Figure 9 shows the magnitude of the Off Time t
OFF
versus C
OFF
and R
OFF
values. It can be approximately cal-
culated from the equations:
t
RCFALL
= 0.6 · R
OFF
· C
OFF
t
OFF
= t
RCFALL
+ t
DT
= 0.6 · R
OFF
· C
OFF
+ t
DT
where R
OFF
and C
OFF
are the external component values and t
DT
is the internally generated Dead Time with:
20K
≤
R
OFF
≤
100K
0.47nF
≤
C
OFF
≤
100nF
t
DT
= 1μs (typical value)
Therefore:
t
OFF(MIN)
= 6.6μs
t
OFF(MAX)
= 6ms
These values allow a sufficient range of t
OFF
to implement the drive circuit for most motors.
The capacitor value chosen for C
OFF
also affects the Rise Time t
RCRISE
of the voltage at the pin RCOFF. The
Rise Time t
RCRISE
will only be an issue if the capacitor is not completely charged before the next time the
monostable is triggered. Therefore, the on time t
ON
, which depends by motors and supply parameters, has to
OFF
B
C
D
D
A
t
ON
t
OFF
B
C
ON
2.5V
0
Slow Decay
Slow Decay
1
μ
s t
BLANK
t
RCRISE
t
RCRISE
SYNCHRONOUS RECTIFICATION
1
μ
s t
BLANK
5V
V
RC
V
SENSE
V
REF
I
OUT
V
REF
R
SENSE
D02IN1351
t
OFF
1
μ
s t
DT
1
μ
s t
DT
t
RCFALL
t
RCFALL
相關(guān)PDF資料
PDF描述
L6208 FULLY INTEGRATED STEPPER MOTOR DRIVER
L6208D FULLY INTEGRATED STEPPER MOTOR DRIVER
L6208N FULLY INTEGRATED STEPPER MOTOR DRIVER
L6208PD FULLY INTEGRATED STEPPER MOTOR DRIVER
L6210 DUAL SCHOTTKY DIODE BRIDGE
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
L6207PD013TR 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
L6207Q 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 DMOS Dual Bridge DRV 5.6A 0.3 Ohm 100kHz 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
L6207QTR 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 DMOS Dual Full Bridge Driver 5.6A 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
L6208 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:FULLY INTEGRATED STEPPER MOTOR DRIVER
L6208D 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 DMOS Stepper Motor 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
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