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MCF8315C1VPWPR中文資料德州儀器數(shù)據(jù)手冊(cè)PDF規(guī)格書(shū)

MCF8315C1VPWPR
廠商型號(hào)

MCF8315C1VPWPR

功能描述

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

文件大小

5.50307 Mbytes

頁(yè)面數(shù)量

206 頁(yè)

生產(chǎn)廠商 Texas Instruments
企業(yè)簡(jiǎn)稱

TI1德州儀器

中文名稱

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更新時(shí)間

2024-12-23 13:10:00

MCF8315C1VPWPR規(guī)格書(shū)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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