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DRV8316R

更新时间： 2024-11-26 02:51:27
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德州仪器 - TI /
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DRV8316 Three-Phase Integrated FET Motor Driver

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DRV8316  
SLVSF16 – JANUARY 2021  
DRV8316 Three-Phase Integrated FET Motor Driver  
1 Features  
3 Description  
•
•
•
•
•
•
Three-phase PWM motor driver  
– 3-Phase Brushless-DC motors  
4.5-V to 35-V operating voltage  
– 40-V Absolute maximum voltage  
High output current capability  
– 8-A Peak current drive  
Low on-state resistance  
– 95-mΩ RDS(ON) (HS + LS) at TA = 25°C  
Low power sleep mode  
– 1.5-µA at VVM = 24-V, TA = 25°C  
Multiple control interface options  
– 6x PWM control interface  
The DRV8316 provides three half-H-bridge integrated  
MOSFET drivers for driving a three-phase Brushless-  
DC (BLDC) motor for 12-V/24-V DC rails or battery  
powered applications. These applications include  
field-oriented control (FOC), sinusoidal current  
control, and trapezoidal current control of BLDC  
motors. The device integrates three current-sense  
amplifiers (CSA) with built-in current sense for  
sensing the three phase currents of BLDC motors.  
Each output driver channel consists of N-channel  
power MOSFETs configured in  
a
half-bridge  
configuration. Various PWM control modes are  
supported for simple interfacing to control circuits that  
can be powered by the 30-mA, 3.3-V internal  
regulator (AVDD). The DRV8316R/T also supports a  
buck regulator which in conjunction can support 200-  
mA with programmable regulated supply. The device  
supports 200-kHz maximum PWM frequency.  
– 3x PWM control interface  
Supports 200-kHz PWM frequency  
Cycle by cycle current limit  
•
•
•
Built-in integrated current sense  
– No external resistor required  
SPI and Hardware device variants  
– 5-MHz, 16-Bit SPI communication  
Supports 1.8-V, 3.3-V, and 5-V logic inputs  
Built-in 3.3-V, 30-mA LDO regulator  
Built-in 3.3-V/5-V, 200-mA buck regulator  
Delay compensation to reduce duty cycle distortion  
Integrated protection features  
– VM undervoltage lockout (UVLO)  
– Charge pump undervoltage (CPUV)  
– Overcurrent protection (OCP)  
– Thermal warning and shutdown (OTW/OTSD)  
– Fault condition indication pin (nFAULT)  
Internal protection functions are provided for  
undervoltage lockout (UVLO), Overvoltage protection  
(OVP), charge pump undervoltage (CPUV),  
overcurrent protection (OCP), over-temperature  
warning (OTW) and over-temperature shutdown  
(OTSD). Fault conditions are indicated by the nFAULT  
pin.  
•
•
•
•
•
•
Device Information (1)  
PART NUMBER  
DRV8316R  
PACKAGE  
VQFN (40)  
VQFN (40)  
BODY SIZE (NOM)  
7.00 mm x 5.00 mm  
7.00 mm x 5.00 mm  
DRV8316T (2)  
(1) For all available packages, see the orderable addendum at  
the end of the data sheet.  
2 Applications  
(2) Device available for preview only.  
•
•
•
•
•
•
CPAP machines  
Printers  
Camera gimbals  
HVAC motors  
Office automation machines  
Factory automation and robotics  
4.5 V to 35 V  
DRV8316T/R  
OUTA  
nSLEEP  
Three Phase PWM  
Motor Driver  
PWM (6x/3x)  
M
HW / SPI  
Buck Regulator (R)  
3x Shunt Amplifier  
Built-In Protection  
OUTB  
CSA Output  
nFAULT  
OUTC  
Simplified Schematic  
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,  
intellectual property matters and other important disclaimers. ADVANCE INFORMATION for preproduction products; subject to change  
without notice.  
 
 
 
 
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