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DRV8316R-Q1

更新时间： 2024-09-17 02:51:43
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德州仪器 - TI /
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97页 5075K
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DRV8316-Q1 Three-Phase Integrated FET Motor Driver

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DRV8316R-Q1 数据手册

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DRV8316-Q1  
SLVSGK9 – JANUARY 2022  
DRV8316-Q1 Three-Phase Integrated FET Motor Driver  
1 Features  
3 Description  
•
AEC-Q100 qualified for automotive applications  
– Temperature grade 1: –40°C ≤ TA ≤ 125°C  
Three-phase BLDC motor driver  
4.5-V to 35-V operating voltage (40-V abs max)  
High output current capability: 8-A Peak  
Low MOSFET 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  
The DRV8316-Q1 provides a single-chip power stage  
solution for customers driving 12-V brushless-DC  
motors up to 40-W. The DRV8316-Q1 integrates  
three 1/2-H bridges with 40-V absolute maximum  
capability and a very low RDS(ON) of 95mOhms  
(high-side plus low-side) to enable high power drive  
capability. Current is sensed using an integrated  
current sensing feature which eliminates the need for  
external sense resistors. Power management features  
of an adjustable buck regulator and LDO generate  
the necessary voltage rails for the device and can be  
used to power external circuits.  
•
•
•
•
•
•
– 6x PWM control interface  
– 3x PWM control interface  
•
Supports up to 200-kHz PWM frequency for low  
inductance motor support  
Cycle-by-cycle current limit  
DRV8316-Q1 implements a 6x or 3x PWM control  
scheme which can be used to implement sensored  
or sensorless field-oriented control (FOC), sinusoidal  
control, or trapezoid control using an external  
microcontroler. The DRV8316-Q1 is capable of driving  
a PWM frequency up to 200 kHz. The control  
scheme is highly configurable through hardware pins  
or register settings ranging from motor current limiting  
behavior to fault response.  
•
•
Integrated built-in current sense  
– Doesn't require external current sense resistors  
Hardware or 5-MHz 16-bit SPI interface  
Supports 1.8-V, 3.3-V, and 5-V logic inputs  
Built-in 3.3-V (5%), 30-mA LDO regulator  
Built-in 3.3-V/5-V, 200-mA buck regulator  
Delay compensation reduces duty cycle distortion  
Suite of integrated protection features  
– Supply undervoltage lockout (UVLO)  
– Charge pump undervoltage (CPUV)  
– Overcurrent protection (OCP)  
•
•
•
•
•
•
There are a large number of protection features  
integrated into the DRV8316-Q1, intended to protect  
the device, motor, and system against fault events.  
Device Information(1)  
PART NUMBER  
DRV8316R-Q1  
DRV8316T-Q1(2)  
PACKAGE  
VQFN (40)  
VQFN (40)  
BODY SIZE (NOM)  
7.00 mm x 5.00 mm  
7.00 mm x 5.00 mm  
– Thermal warning and shutdown (OTW/OTSD)  
– Fault condition indication pin (nFAULT)  
– Optional fault diagnostics over SPI interface  
2 Applications  
(1) For all available packages, see the orderable addendum at  
the end of the data sheet.  
(2) Device available for preview only.  
•
•
•
•
Brushless-DC (BLDC) Motor Modules  
Automotive LIDAR  
Small Automotive Fans and Pumps  
Automotive Actuators  
4.5V to 35V (40V abs max)  
Buck/LDO out  
3.3 or 5.0 V, up to 200mA  
6x / 3x PWM  
PWM input  
MCU  
DRV8316-Q1  
A
B
C
nSLEEP  
Charge Pump  
DRVOFF  
Built-in Protec on  
CSA out  
nFAULT  
Buck/LDO Regulator  
Integrated Current Sensing  
8-A peak output current,  
typically 12-V, <40W  
motors  
SPI  
Only on SPI  
variant  
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. PRODUCTION DATA.  
 
 
 
 
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