Texas Instruments LM4570 Evaluation Board LM4570LQBD/NOPB LM4570LQBD/NOPB 数据表
产品代码
LM4570LQBD/NOPB
ON
OFF
MOTOR
CONTROL SIGNAL
V
DD
GND
/SD
REF1
REF2
IN
VO1
VO2
0.1
P
F
C
S
R
F
R
IN
C
REF1
LM4570
SNOSAV2C – APRIL 2006 – REVISED APRIL 2013
LM4570 Single-Ended Input Motor Driver
Check for Samples:
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FEATURES
DESCRIPTION
The LM4570 is a single supply motor driver for
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•
Output Short Circuit Protection
improved sensory experience in mobile phones and
•
High Output Current Capability
other handheld devices. The LM4570 is capable of
•
Wide Output Voltage Range
driving up to 192mA while operating from a 3V
supply. Near rail-to-rail output swing under load
supply. Near rail-to-rail output swing under load
•
Fast Turn on Time
ensures sufficient voltage drive for most DC motors,
•
Output Short Circuit Protection
while the differential output drive allows the voltage
•
Low Power Shutdown Mode
polarity across the motor to be reversed quickly.
Reversing the voltage gives the LM4570 the ability to
Reversing the voltage gives the LM4570 the ability to
•
Minimum External Components
drive a motor both clock-wise and counter clock-wise
•
Available in Space-Saving WSON Package
from a single supply.
The LM4570 features fast turn on time, and a wide
APPLICATIONS
input voltage range for precise speed control. A low
•
Mobile Phones
power
shutdown
mode
minimizes
power
•
PDAs
consumption.
•
Video Game Systems
Thermal and output short circuit protection prevents
the
the
device
from
being
damaged
during
fault
KEY SPECIFICATIONS
conditions.
•
High Output Current @ V
DD
= 3V: 192 mA
•
Fast Turn On Time @ 3V: 2.4 ms
•
Quiescent Power Supply Current @ 3V: 1.9 mA
•
Shutdown Current: 0.1 µA (Typ)
Typical Application
Figure 1. Typical Motor Driver Application Circuit
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Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
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PRODUCTION DATA information is current as of publication date.
Copyright © 2006–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.