Datasheet > MCF8316A_V01

MCF8316A_V01

更新时间： 2024-02-02 15:22:20

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

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MCF8316A_V01 数据手册

MCF8316A

SLLSFI0A – AUGUST 2021 – REVISED DECEMBER 2021

www.ti.com

5 Pin Configuration and Functions

DVDD

DGND

FB_BK

EXT_WD

SCL

SDA

GND_BK

SW_BK

CPL

SPEED/WAKE

AVDD

AGND

MCF8316A

(Thermal Pad)

CPH

PGND

DRVOFF

Figure 5-1. MCF8316A 40-Pin VQFN With Exposed Thermal Pad Top View

Table 5-1. Pin Functions

40-pin Package

MCF8316A

TYPE⁽¹⁾

DESCRIPTION

NAME

AGND

GND

Device analog ground. Refer Layout Guidelines for connections recommendation.

3.3-V internal regulator output. Connect a X5R or X7R, 1-µF, 6.3-V ceramic capacitor

between the AVDD1 and AGND pins. This regulator can source up to 20 mA externally.

AVDD

BRAKE

PWR O

High → Brake the motor when High

Low → normal operation

Connect to PGND via 10-kΩ resistor, if not used

Charge pump output. Connect a X5R or X7R, 1-µF, 16-V ceramic capacitor between the

CP and VM pins.

PWR

CPH

PWR

GND

Charge pump switching node. Connect a X5R or X7R, 47-nF, ceramic capacitor between

the CPH and CPL pins. TI recommends a capacitor voltage rating at least twice the

normal operating voltage of the device.

CPL

DGND

Device digital ground. Refer Layout Guidelines for connections recommendation.

Direction of motor spinning;

When low, phase driving sequence is OUT A → OUT C → OUT B

When high, phase driving sequence is OUT A → OUT B → OUT C

DIR

Connect to AVDD via 10-kΩ resistor, if not used

DRVOFF

DVDD

Coast (Hi-Z) all six MOSFETs when DRVOFF is high.

1.5-V internal regulator output. Connect a X5R or X7R, 1-µF, 6.3-V ceramic capacitor

between the DVDD and DGND pins.

PWR

EXT_CLK

EXT_WD

External clock reference input in external clock reference mode.

External watchdog input.

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