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DRV8860PWR

更新时间： 2024-11-07 12:36:35
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德州仪器 - TI 驱动器
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31页 1394K
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8 Channel Serial Interface Low-Side Driver

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DRV8860  
www.ti.com  
SLRS065A –SEPTEMBER 2013–REVISED NOVEMBER 2013  
8 Channel Serial Interface Low-Side Driver  
Check for Samples: DRV8860  
1
FEATURES  
APPLICATIONS  
•
8-Channel Protected Low-side Driver  
•
Relays  
Unipolar Stepper Motors  
–
Eight NMOS FETs with Overcurrent  
Protection  
•
•
•
•
Solenoids  
–
–
–
–
Integrated Inductive Catch Diodes  
Open/Short Load Detection  
Electromagnetic Drivers  
General Low-side Switch Applications  
Configurable 100% Output Timing  
Configurable PWM Duty Cycle  
DESCRIPTION  
The DRV8860 provides an 8-channel low side driver  
with overcurrent protection and open/shorted load  
detection. It has built-in diodes to clamp turn-off  
transients generated by inductive loads, and can be  
used to drive unipolar stepper motors, DC motors,  
relays, solenoids, or other loads.  
•
Continuous Current Driving Capability  
–
–
–
–
560mA (Single Channel on)  
280mA (Quad Channels on)  
200mA (Oct Channels on)  
Support Parallel Configuration  
DRV8860 can supply up to 200mA × 8 channel  
continuous output current. The current driving  
capability increased with lower PWM duty cycle. A  
single channel can deliver up to 560mA continuous  
output current. Refer to the OUTPUT CURRENT  
RECOMMENDATION section for details.  
•
•
•
8V to 38V Supply Voltage Range  
Input Digital Noise Filter for Noise Immunity  
Internal Data Read Back Capability for Reliable  
Control  
•
Programmable Current Profile  
A serial interface is provided to control the DRV8860  
output drivers, configure internal setting register and  
read the fault status of each channel. Multiple  
DRV8860 devices can be daisy-chained together to  
use a single serial interface. Energizing-Time and  
Holding-PWM-Duty cycles are configurable through  
serial interface as well. These functions allow for  
lower temperature operation rather than traditional  
always-on solutions.  
–
Configurable 100% Output Timing. Fast  
Activation of Solenoid.  
–
Configurable PWM Duty Cycle in Chopping  
Mode. Reducing Power Consumption and  
Thermal Dissipation in Hold-mode of  
Solenoid.  
•
Serial Interface  
Daisy Chain Connection  
–
Internal shutdown functions are provided for over  
current protection, short circuit protection, under  
voltage lockout, and over temperature. DRV8860 can  
diagnosis the open load condition. Fault information  
for each channel can be read out through serial  
interface and indicated by an external fault pin.  
•
•
16-pin TSSOP Package  
Protection and Diagnostic Features  
–
–
–
–
–
–
Overcurrent Protection (OCP)  
Open Load Detection (OL)  
Over-Temperature Shutdown (OTS)  
Under-Voltage Lockout (UVLO)  
Individual Channel Status Report  
Fault Condition Alarm  
The DRV8860 is packaged in a 16 pin TSSOP  
package (Eco-friendly: RoHS and no Sb/Br).  
Ordering Information  
For the most current packaging and ordering information, see the Package Option Addendum at the end of this  
document, or see the TI web site at www.ti.com.  
The package drawings, thermal data, and symbolization are available at www.ti.com/packaging.  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 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.  
 
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DRV8860PWR 替代型号

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