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MCT8316Z0TQRGFRQ1 PDF预览

MCT8316Z0TQRGFRQ1

更新时间: 2023-09-03 20:37:47
品牌 Logo 应用领域
德州仪器 - TI 电机驱动传感器驱动器
页数 文件大小 规格书
100页 3988K
描述
汽车类最大电压 40V、峰值电流 8A 含传感器梯形控制三相 BLDC 电机驱动器 | RGF | 40 | -40 to 125

MCT8316Z0TQRGFRQ1 数据手册

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MCT8316Z-Q1  
SLVSGO3 – DECEMBER 2021  
MCT8316Z-Q1 Sensored Trapezoidal Integrated FET BLDC 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 with integrated  
Sensored Trapezoidal control  
– Hall Sensor based Trapezodial (120°)  
commutation  
– Supports Analog or Digital Hall inputs  
– Configurable PWM modulation: Synchronous/  
Asynchronous  
– Cycle-by-cycle current limit to limit phase  
current  
– Supports up to 200-kHz PWM frequency  
– Active Demagnetization to reduce power losses  
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  
Integrated built-in current sense  
The MCT8316Z-Q1 provides a single-chip code-  
free sensored trapezoidal solution for customers  
driving 12-V brushless-DC motors in automotive. The  
MCT8316Z-Q1 integrates three 1/2-H bridges with  
40-V absolute maximum capability and a very low  
RDS(ON) of 95 mOhms (high-side and low-side  
combined) 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.  
MCT8316Z-Q1 implements sensored trapezoidal  
control in a fixed-function state machine, so an  
external microcontroller is not required to spin  
the brushless-DC motor. The MCT8316Z-Q1 device  
integrates three analog hall comparators for position  
sensing to achieve sensored trapezoidal BLDC motor  
control. The control scheme is highly configurable  
through hardware pins or register settings ranging  
from motor current limiting behavior to fault response.  
The speed can be controlled through a PWM input.  
– Doesn't require external current sense resistors  
Flexible device configuration options  
– MCT8316ZR-Q1: 5-MHz 16-bit SPI interface for  
device configuration and fault status  
– MCT8316ZT-Q1: Hardware pin based  
configuration  
There are a large number of protection features  
integrated into the MCT8316Z-Q1, intended to protect  
the device, motor, and system against fault events.  
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)  
Refer Application Information for design consideration  
and recommendation on device usage.  
Device Information(1)  
PART NUMBER  
MCT8316ZR-Q1  
MCT8316ZT-Q1  
PACKAGE  
VQFN (40)  
VQFN (40)  
BODY SIZE (NOM)  
7.00 mm × 5.00 mm  
7.00 mm × 5.00 mm  
– Motor lock protection  
(1) For all available packages, see the orderable addendum at  
the end of the data sheet.  
– Thermal warning and shutdown (OTW/OTSD)  
– Fault condition indication pin (nFAULT)  
– Optional fault diagnostics over SPI interface  
4.5V to 35V (40V abs max)  
Buck/LDO out  
3.3 or 5.0 V, up to  
200mA  
8-A peak output current,  
typically 12- to 24-V,  
MCT8316Z-Q1  
A
B
C
Buck/LDO out  
2 Applications  
SPEED  
PWM input  
Sensored  
Trap  
Control  
H
H
DIRECTION  
BRAKE  
Brushless-DC (BLDC) Motor Modules  
Automotive LIDAR  
Small Automotive Fans and Pumps  
Headlight Leveling  
H
FGOUT  
Speed feecback  
nFAULT  
Buck/LDO Regulator  
SPI  
Only on SPI  
variant  
Hall inputs support:  
Dierenal Hall elements  
Integrated Current Sensing  
Dierenal analog output Hall-eect sensors  
Digital output Hall-eect sensors  
Single-ended analog output Hall-eect sensors  
Simplified Schematics  
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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