參數(shù)資料
型號(hào): L6227PD
廠商: STMICROELECTRONICS
元件分類(lèi): 運(yùn)動(dòng)控制電子
英文描述: STEPPER MOTOR CONTROLLER, 2.8 A, PDSO36
封裝: POWER, SO-36
文件頁(yè)數(shù): 1/22頁(yè)
文件大小: 389K
代理商: L6227PD
1/22
L6227
September 2003
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OPERATING SUPPLY VOLTAGE FROM 8 TO 52V
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2.8A OUTPUT PEAK CURRENT (1.4A DC)
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RDS(ON) 0.73 TYP. VALUE @ Tj = 25 °C
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OPERATING FREQUENCY UP TO 100KHz
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NON DISSIPATIVE OVERCURRENT
PROTECTION
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DUAL INDEPENDENT CONSTANT tOFF PWM
CURRENT CONTROLLERS
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SLOW DECAY SYNCHRONOUS
RECTIFICATION
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CROSS CONDUCTION PROTECTION
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THERMAL SHUTDOWN
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UNDER VOLTAGE LOCKOUT
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INTEGRATED FAST FREE WHEELING DIODES
TYPICAL APPLICATIONS
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BIPOLAR STEPPER MOTOR
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DUAL DC MOTOR
DESCRIPTION
The L6227 is a DMOS Dual Full Bridge designed for
motor control applications, realized in MultiPower-
BCD technology, which combines isolated DMOS
Power Transistors with CMOS and bipolar circuits on
the same chip. The device also includes two inde-
pendent constant off time PWM Current Controllers
that performs the chopping regulation. Available in
PowerDIP24 (20+2+2), PowerSO36 and SO24
(20+2+2) packages, the L6227 features a non-dissi-
pative overcurrent protection on the high side Power
MOSFETs and thermal shutdown.
BLOCK DIAGRAM
D99IN1085A
GATE
LOGIC
OCDA
OCDB
OVER
CURRENT
DETECTION
OVER
CURRENT
DETECTION
GATE
LOGIC
VCP
VBOOT
ENA
IN1A
IN2A
ENB
IN1B
IN2B
VREFA
VBOOT
5V
10V
VSA
V
SB
OUT1A
OUT2A
OUT1B
OUT2B
SENSEA
CHARGE
PUMP
VOLTAGE
REGULATOR
ONE SHOT
MONOSTABLE
MASKING
TIME
THERMAL
PROTECTION
VBOOT
10V
BRIDGE A
SENSE
COMPARATOR
BRIDGE B
RCA
+
-
SENSEB
VREFB
RCB
PWM
ORDERING NUMBERS:
L6227N (PowerDIP24)
L6227PD (PowerSO36)
L6227D (SO24)
PowerDIP24
(20+2+2)
PowerSO36
SO24
(20+2+2)
DMOS DUAL FULL BRIDGE DRIVER
WITH PWM CURRENT CONTROLLER
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參數(shù)描述
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L6227Q 功能描述:功率驅(qū)動(dòng)器IC DMOS DUAL FULL Bridge w/ PWM RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類(lèi)型:Low Cost High or Low Side MOSFET Driver 上升時(shí)間: 下降時(shí)間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
L6227Q_09 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:DMOS dual full bridge driver with PWM current controller
L6227QTR 功能描述:功率驅(qū)動(dòng)器IC DMOS DUAL FULL Bridge w/ PWM RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類(lèi)型:Low Cost High or Low Side MOSFET Driver 上升時(shí)間: 下降時(shí)間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
L6228 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:DMOS DRIVER FOR BIPOLAR STEPPER MOTOR