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| 型號(hào)： | PC33887DH |
| 英文描述： | Industrial Control IC |
| 中文描述： | 工業(yè)控制IC |
| 文件頁數(shù)： | 1/2頁 |
| 文件大?。?/td> | 507K |
| 代理商： | PC33887DH |
MC33887 POWER H-BRIDGE DRIVER WITH SLEEPMODE
The MC33887 is a monolithic power IC comprising control logic, charge pump, gate drive,
and low R
DS(on)
MOSFET output H-Bridge circuitry into a small surface mount package. It is
designed to drive inductive loads with RMS currents up to 5.2 A in both directions. In addi-
tion, the current drive can be pulse width modulated (PWM) at frequencies up to 20 kHz. An
internal current mirror circuit provides a proportional (1/400
th
) sample of the output current,
which may be used to provide feedback or load information to a microcontroller’s A/D input.
ANALOG
PRODUCTS
MC33887
FACT SHEET
APPLICATIONS
Automotive Systems
DC-Motor Control in
Industrial and Robotic
Systems
DC-Motor and
Actuator Control in
Boats, RV’s and
Marine Systems
Appliance and White
Goods Electrical
Actuators
Powered Machine and
Hand Tools
Antenna Rotors or
Dish Positioning
Systems
Performance
Outputs
RMS Current
R
DS(on)
@ 25°C
Operating Voltage
Peak Current
Load Dump Transient
Switching Time
ESD
Operating Temp
Junction Operating Temp
Typical Values
2
5.2 A
120 m
5.0 – 28 V
8.0 A each output
+40 V
8 μS
2000 V
-40°C ≤ T
A
≤ 125°C
-40°C ≤ T
J
≤ 150°C
P
H
CUSTOMER BENEFITS
Easiest way to interface a microcontroller to a DC-motor
Simplified system design
Built-in current limiting
Built-in thermal shutdown
Versatile output control (each half of H-Bridge is
independently controllable)
Reduced board space
Enhanced reliability
Motor
VPWR
CP
IN1
IN2
DI1
DI2
EN
SF
OUT1
OUT2
GND
MC33887
VPWR
MCU
FDBK
Simplified Application Diagram
Under voltage, over tempera-
ture, and over current condi-
tions are detected and reported
via a status flag output. Output
control is via two independent
inputs (each half of the bridge
may be utilized as an inde-
pendent totem pole output).
Enables can place the bridge
into sleep mode (<25 μA).
Typical applications include:
DC-motor acme lead screw
actuators, servo gear actuators,
bi-directional thrust solenoids,
and fractional horsepower DC-
motor control.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PC33887DW | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Industrial Control IC |
| PC33887DWR2 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Industrial Control IC |
| PC33887FC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Industrial Control IC |
| PC33887VW | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:5.0 A H-Bridge with Load Current Feedback |
| PC33887VW/R2 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:5.0 A H-Bridge with Load Current Feedback |
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