Datasheet > MCF8316A1VRGFR

MCF8316A1VRGFR

更新时间： 2024-11-06 02:52:15

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
178页	6928K
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MCF8316A Sensorless Field Oriented Control (FOC) Integrated FET BLDC Driver

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MCF8316A1VRGFR 数据手册

MCF8316A

SLLSFI0A – AUGUST 2021 – REVISED DECEMBER 2021

MCF8316A Sensorless Field Oriented Control (FOC) Integrated FET BLDC Driver

1 Features

3 Description

•

Three-phase BLDC motor driver with integrated

sensorless motor control algorithm

The MCF8316A provides a single-chip, code-free

sensorless FOC solution for customers driving speed-

controlled 12- to 24-V brushless-DC motors (BLDC)

or Permanent Magnet Synchronous motor (PMSM) up

to 8-A peak current. The MCF8316A integrates three

1/2-H bridges with 40-V absolute maximum capability

and a very low R_DS(ON)of 95 mΩ(high-side + low-

side). Power management features of an adjustable

buck regulator and LDO generate the 3.3-V or 5.0-V

voltage rails for the device and can be used to power

external circuits.

– Code-free Field Oriented Control (FOC)

– Offline motor parameters measurement with

Motor Parameter Extraction Tool (MPET)

– 5-point configurable speed profile support

– Windmilling support through forward

resynchronization and reverse drive

– Analog, PWM, freq. or I²C based speed input

– Configurable motor startup and stop options

– Anti-voltage surge protections prevents

overvoltage

– Improved acoustic performance with automatic

dead time compensation

4.5- to 35-V operating voltage (40-V abs max)

High output current capability: 8-A peak

Low MOSFET on-state resistance

– 95-mΩ R_DS(ON)(HS + LS) at T_A= 25°C

Low power sleep mode

– 3-µA (maximum) at V_VM= 24-V, T_A= 25°C

Speed loop accuracy: 3% with internal clock and

1% with external clock reference

Customer-configurable non-volatile memory

(EEPROM) to store device configuration

Supports up to 75-kHz PWM frequency for low

inductance motor support

Does not require external current sense resistors,

built-in current sensing

The algorithm configuration can be stored in non-

volatile EEPROM, which allows the device to operate

stand-alone once it has been configured. The device

receives a speed command through a PWM input,

analog voltage, variable frequency square wave or

I²C command. There are a large number of protection

features integrated into the MCF8316A, intended to

protect the device, motor, and system against fault

events.

•

Device Information⁽¹⁾

PART NUMBER

PACKAGE

BODY SIZE (NOM)

MCF8316A1V

VQFN (40)

7.00 mm × 5.00 mm

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

Documentation for reference:

•

Refer E2E FAQ for clarification.

Refer MCF8316A tuning guide

Refer to the MCF8316A EVM GUI

•

Built-in 3.3-V ±5%, 20-mA LDO regulator

Built-in 3.3-V/5-V, 170-mA buck regulator

Dedicated DRVOFF pin to disable (Hi-Z) outputs

Spread spectrum and slew rate for EMI mitigation

Suite of Integrated protection features

LDO out

3.3-V, up to 20-mA

4.5 to 35-V (40-V abs max)

Buck out

3.3 or 5.0-V, up to 170-mA

– Supply undervoltage lockout (UVLO)

– Motor lock detection (5 different types)

– Overcurrent protection (OCP)

– Thermal warning and shutdown (OTW/TSD)

– Fault condition indication pin (nFAULT)

– Optional fault diagnostics over I²C interface

SPEED

PWM, analog, frequency or

commanded over I²C

MCF8316A

DIRECTION

BRAKE

Sensorless

FOC

Speed feecback

EEPROM

nFAULT

I²C

Op onal during opera on;

I²C speed, diagnos cs, or

on-the- y con gura on

Buck/LDO Regulator

Integrated Current Sensing

2 Applications

8-A peak output current,

typically 12 to 24-V

•

Brushless-DC (BLDC) Motor Modules

Residential and Living Fans

Air Purifiers and Humidifier Fans

Washer and Dishwashers Pumps

Automotive Fan and Blowers

Medical CPAP Blowers

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.

12 3 4 5 6 7...178

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