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PMCF8315C1VPWPR中文資料德州儀器數(shù)據(jù)手冊PDF規(guī)格書

PMCF8315C1VPWPR
廠商型號

PMCF8315C1VPWPR

功能描述

MCF8315C Sensorless Field Oriented Control (FOC) Integrated FET BLDC Driver

文件大小

5.50307 Mbytes

頁面數(shù)量

206

生產(chǎn)廠商 Texas Instruments
企業(yè)簡稱

TI1德州儀器

中文名稱

德州儀器官網(wǎng)

原廠標(biāo)識
數(shù)據(jù)手冊

下載地址一下載地址二到原廠下載

更新時間

2024-12-23 12:35:00

PMCF8315C1VPWPR規(guī)格書詳情

1 Features

? Three-phase BLDC motor driver with integrated

sensorless motor control algorithm

– 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 start-up and stop options

– Anti-voltage surge (AVS) protection

– Improved acoustic performance with automatic

dead time compensation

– Variable monitoring through DACOUT pin

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

? High (peak) output current capability: 4A (RRY),

3.5A (PWP)

? Low MOSFET on-state resistance

– RRY: RDS(ON)(H+L) at TJ=25°C: 250mΩ(typ.)

– PWP: RDS(ON)(H+L) at TJ=25°C: 265mΩ(typ.)

? Low power sleep mode: Refer Table 6-7

– 5μA (maximum) at VVM = 24V, TA = 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 60-kHz PWM frequency for low

inductance motor support

? Does not require external current sense resistors;

uses built-in current sensing

? Built-in 3.3V, 20mA LDO regulator

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

? Dedicated DRVOFF pin to disable (Hi-Z) outputs

? Spread spectrum and slew rate for EMI mitigation

? A suite of integrated protection features

– Supply under voltage lockout (UVLO)

– Supply over voltage protection (OVP)

– Motor lock detection (5 different types)

– Over current protection (OCP)

– Thermal warning and shutdown (OTW/TSD)

– Fault condition indication pin (nFAULT)

– Optional fault diagnostics over I2C interface

2 Applications

? Brushless-DC (BLDC) Motor Modules

? Residential and Living Fans

? Air Purifiers and Humidifier Fans

? Washer and Dishwashers Pumps

? Automotive Fan and Blowers

? CPAP Machines

3 Description

The MCF8315C provides a single-chip, code-free

sensorless FOC solution for customers driving speedcontrolled

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

Permanent Magnet Synchronous motor (PMSM) up

to 4A peak current. The MCF8315C integrates three

?-bridges with 40V absolute maximum capability and

a low RDS(ON) of 250/265mΩ (high-side + low-side

FETs). MCF8315C integrates power management

circuits including a voltage-adjustable buck regulator

(3.3V/5V, 170mA) and LDO (3.3V/20mA) that can be

used to power external circuits.

The FOC 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 MCF8315C,

intended to protect the device, motor, and system

against fault events.

MCF8315C is available in two packages: 32-pin

6x4mm wettable-flank QFN (RRY) and 24-pin

7.8x6.4mm HTSSOP (PWP).

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