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DRV8353M

更新时间： 2024-11-26 02:51:23
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德州仪器 - TI 栅
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DRV8353M 100-V Three-Phase Smart Gate Driver

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DRV8353M
SLVSFO2 – JULY 2020  
DRV8353M 100-V Three-Phase Smart Gate Driver  
1 Features  
3 Description  
•
9 to 100-V, Triple half-bridge gate driver  
The DRV8353M family of devices are highly-  
integrated gate drivers for three-phase brushless DC  
(BLDC) motor applications. These applications  
include field-oriented control (FOC), sinusoidal current  
control, and trapezoidal current control of BLDC  
motors. The device variants provide optional  
integrated current shunt amplifiers to support different  
motor control schemes and a buck regulator to power  
the gate driver or external controller.  
– Extended TA operation -55 °C to 125 °C  
– Optional triple low-side current shunt amplifiers  
Smart gate drive architecture  
– Adjustable slew rate control for EMI  
performance  
•
– VGS handshake and minimum dead-time  
insertion to prevent shoot-through  
– 50-mA to 1-A peak source current  
– 100-mA to 2-A peak sink current  
– dV/dt mitigation through strong pulldown  
Integrated gate driver power supplies  
– High-side doubler charge pump For 100%  
PWM duty cycle control  
The DRV8353M uses smart gate drive (SGD)  
architecture to decrease the number of external  
components that are typically necessary for MOSFET  
slew rate control and protection circuits. The SGD  
architecture also optimizes dead time to prevent  
shoot-through conditions, provides flexibility in  
decreasing electromagnetic interference (EMI) by  
MOSFET slew rate control, and protects against gate  
short circuit conditions through VGS monitors. A strong  
gate pulldown circuit helps prevent unwanted dV/dt  
parasitic gate turn on events  
•
– Low-side linear regulator  
•
•
Integrated triple current shunt amplifiers  
– Adjustable gain (5, 10, 20, 40 V/V)  
– Bidirectional or unidirectional support  
6x, 3x, 1x, and independent PWM modes  
– Supports 120° sensored operation  
SPI or hardware interface available  
Low-power sleep mode (20 µA at VVM = 48-V)  
Integrated protection features  
– VM undervoltage lockout (UVLO)  
– Gate drive supply undervoltage (GDUV)  
– MOSFET VDS overcurrent protection (OCP)  
– MOSFET shoot-through prevention  
– Gate driver fault (GDF)  
Various PWM control modes (6x, 3x, 1x, and  
independent) are supported for simple interfacing to  
the external controller. These modes can decrease  
the number of outputs required of the controller for the  
motor driver PWM control signals. This family of  
devices also includes 1x PWM mode for simple  
sensored trapezoidal control of a BLDC motor by  
using an internal block commutation table.  
•
•
•
Table 3-1. Device Information  
PART NUMBER  
PACKAGE  
BODY SIZE (NOM)  
– Thermal warning and shutdown (OTW/OTSD)  
– Fault condition indicator (nFAULT)  
DRV8353M  
WQFN (40)  
6.00 mm x 6.00 mm  
1. For all available packages, see the orderable  
addendum at the end of the data sheet.  
2 Applications  
•
•
3-phase brushless-DC (BLDC) motor modules  
Fans, blowers, and pumps  
9 to 75 V  
7 to 100 V  
Drain  
Sense  
DRV8353M  
PWM  
Three-Phase  
Smart Gate Driver  
SPI or H/W  
M
Gate Drive  
nFAULT  
Protection  
Current  
Sense  
Current Sense  
3x Shunt Amplifiers  
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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