參數(shù)資料
型號(hào)： L6208PD
廠商： 意法半導(dǎo)體
英文描述： FULLY INTEGRATED STEPPER MOTOR DRIVER
中文描述： 完全集成的步進(jìn)電機(jī)驅(qū)動(dòng)器
文件頁數(shù)： 1/27頁
文件大小： 453K
代理商： L6208PD
1/27
L6208
September 2003
I
OPERATING SUPPLY VOLTAGE FROM 8 TO 52V
I
5.6A OUTPUT PEAK CURRENT (2.8A RMS)
I
R
DS(ON)
0.3
TYP. VALUE @ T
j
= 25°C
I
OPERATING FREQUENCY UP TO 100KHz
I
NON DISSIPATIVE OVERCURRENT
PROTECTION
I
DUAL INDEPENDENT CONSTANT t
OFF
PWM
CURRENT CONTROLLERS
I
FAST/SLOW DECAY MODE SELECTION
I
FAST DECAY QUASI-SYNCHRONOUS
RECTIFICATION
I
DECODING LOGIC FOR STEPPER MOTOR
FULL AND HALF STEP DRIVE
I
CROSS CONDUCTION PROTECTION
I
THERMAL SHUTDOWN
I
UNDER VOLTAGE LOCKOUT
I
INTEGRATED FAST FREE WHEELING DIODES
TYPICAL APPLICATIONS
I
BIPOLAR STEPPER MOTOR
DESCRIPTION
The L6208 is a DMOS Fully Integrated Stepper Motor
Driver with non-dissipative Overcurrent Protection,
realized in MultiPower-BCD technology, which com-
BLOCK DIAGRAM
bines isolated DMOS Power Transistors with CMOS
and bipolar circuits on the same chip. The device in-
cludes all the circuitry needed to drive a two-phase
bipolar stepper motor including: a dual DMOS Full
Bridge, the constant off time PWM Current Controller
that performs the chopping regulation and the Phase
Sequence Generator, that generates the stepping
sequence. Available in PowerDIP24 (20+2+2),
PowerSO36 and SO24 (20+2+2) packages, the
L6208 features a non-dissipative overcurrent protec-
tion on the high side Power MOSFETs and thermal
shutdown.
GATE
LOGIC
STEPPING
SEQUENCE
GENERATION
OVER
CURRENT
DETECTION
OVER
CURRENT
DETECTION
GATE
LOGIC
VCP
VBOOT
EN
CONTROL
CW/CCW
VREF
A
V
BOOT
5V
10V
VS
A
VS
B
OUT1
B
OUT2
B
SENSE
B
VREF
B
RC
B
OUT1
A
OUT2
A
SENSE
A
CHARGE
PUMP
VOLTAGE
REGULATOR
ONE SHOT
MONOSTABLE
MASKING
TIME
THERMAL
PROTECTION
V
BOOT
V
BOOT
OCD
B
OCD
A
10V
10V
BRIDGE A
SENSE
COMPARATOR
BRIDGE B
D01IN1225
RC
A
+
-
HALF/FULL
CLOCK
RESET
PWM
ORDERING NUMBERS:
L6208N (PowerDIP24)
L6208PD (PowerSO36)
L6208D (SO24)
PowerDIP24
(20+2+2)
PowerSO36
SO24
(20+2+2)
DMOS DRIVER FOR BIPOLAR STEPPER MOTOR
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L620FI 制造商:Pass & Seymour/Legrand 功能描述:CONNECTOR POWER ENTRY PLUG 制造商:Pass & Seymour/Legrand 功能描述:CONNECTOR, POWER ENTRY, PLUG, 20A; Connector Type:Power Entry; Series:Turnlok; Current Rating:20A; Connector Color:Grey; Connector Body Material:PC (Polycarbonate); Voltage Rating VAC:125V; Connector Mounting:Flange; Gender:Plug
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