FT8215Q
Fortior Tech
FT8215Q
Datasheet
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FT8215Q
目
1
2
录
系统介绍 ................................................................................................................................... 3
1.1
概述 ......................................................................................................................................... 3
1.2
应用场景 ................................................................................................................................. 3
1.3
特性 ......................................................................................................................................... 3
1.4
应用电路 ................................................................................................................................. 4
1.5
功能框图 ................................................................................................................................. 5
1.6
封装 ......................................................................................................................................... 6
1.7
引脚定义 ................................................................................................................................. 7
封装信息 ................................................................................................................................... 8
2.1
QFN24 .................................................................................................................................... 8
3
定购信息 ................................................................................................................................... 9
4
修改记录(DOCUMENT CHANGE LIST)........................................................................ 10
REV_V1.0
2
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FT8215Q
FT8215Q 三相内置 MOSFET 无传感器磁场定向控制器
1
系统介绍
1.1 概述
1.3 特性
FT8215Q 是 一 款 三 相 、 无 传 感 器
⚫
FOC 控制直流无刷马达驱动 IC,内置驱
无传感器磁场定向控制(FOC),减
小电机噪声和振动
动 MOS。芯片高度集成电机控制所需部件,
⚫
恒转速、恒电流或开环控制模式
所需外围元器件少,噪声低,电机转矩脉
⚫
模拟/PWM/I2C/CLOCK 调速
动小。内置 EEPROM,可配置客户电机参数、
⚫
I2C 接口用于电机控制和状态回读
启动和调速方式。调速接口可选择 PWM、
⚫
静止状态支持初始位置检测启动
⚫
支持顺逆风启动
⚫
Soft-On Soft-Off (SOSO)
⚫
驱动电流:2A
⚫
内置 EEPROM,可配置电机参数、启动
模拟输入、I2C 调节电机转速,集成转速
指示功能,可通过 FG 引脚或 I2C 接口实
时读取电机转速。速度控制方式可选择恒
转速、恒电流和开环控制,具有电机转速
和调速方式
指示功能,集成过流、欠压、过温、堵转
⚫
可配置多段速度曲线
等多种保护模式,睡眠电流 40uA。
⚫
堵转保护
⚫
过流保护
⚫
缺相保护
⚫
正、反转自由切换
⚫
可配置电机转速指示或堵转
1.2 应用场景
落地扇、散热风扇等
QFN24(4mm*4mm*0.75mm)
REV_V1.0
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FT8215Q
1.4 应用电路
VCC 5~18V
U
U
VCC
VCP
CP2
CP1
VSL
VDD5
VSL
GND
V
FT8215Q
1uF VREF
W
VCC
FG
W
VSL
VCC
SMP
ASPD
VSL
Interface to
Configuration
Motor
V
DIR
SPD
1uF
VCC
1uF
0.1uF
图 1-1 FT8215Q 应用电路(单电阻)
VCC 5~18V
U
U
VCC
CP1
VSL
VDD5
VSL
GND
V
FT8215Q
1uF VREF
W
VCC
W
VSL
VCC
SMP
FG
VSL
SPD
Motor
V
DIR
ASPD
Interface to
Configuration
VCP
CP2
1uF
VCC
1uF
0.1uF
图 1-2 FT8215Q 应用电路(双电阻/三电阻)
REV_V1.0
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FT8215Q
Charge
Pump
VCC
SMP
U
V
W
VCC
VREF
VDD5
CP2
VCP
CP1
1.5 功能框图
VCC
VCP
5V
LDO
VREF
PreDriver
VScaler
U
ADC
VSL
ASPEED
VSL
SPEED
VCC
VCP
I2C
FG
Logic
Control
PreDriver
V
GND
VDD5
VSL
VCC
DIR
EEPROM
Over
Current
VCP
OSC
PreDriver
Thermal
W
VSL
图 1-3 FT8215Q 功能框图
REV_V1.0
5
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FT8215Q
19 U
20 U
21 VCC
22 VCC
23 VCP
24 CP2
1.6 封装
CP1
1
18 VSL
VDD5
2
17 VSL
GND
3
VREF
4
DIR
5
SMP
6
FT8215Q
Top View
With downbond
GND
16
V
15
V
14 VSL
W 12
9
FG/SDA
W 11
8
SPEED/SCL
VCC 10
7
ASPEED
13 VSL
图 1-4 FT8215 QFN24 顶视图,封装尺寸:(4mm*4mm*0.75mm, e=0.5mm)
REV_V1.0
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FT8215Q
1.7 引脚定义
表 1-1 FT8215 QFN24 引脚定义
CP1
VDD5
GND
VREF
FT8215
QFN24
1
2
3
4
IO 类
型
AO
P
P
AI
DIR
5
DI
SMP
ASPEED
SPEED
FG
VCC
W
W
VSL
VSL
V
V
VSL
VSL
U
U
VCC
VCC
VCP
CP2
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
AI
AI
DI
DO
P
DO
DO
DO
DO
DO
DO
DO
DO
DO
DO
P
P
P
AO
PAD 名称
功能描述
电荷泵引脚,在 CP2 与 CP1 之间接 0.1uF 电容
5V LDO 输出,接 1~4.7uF 电容到地
地
ADC 参考电压,外接 1uF 电容到地
电机转动方向控制,内置上拉电阻
1:正转。输出相序为 U-->V-->W
0:反转。输出相序为 U-->W-->V
母线电流采样输入
模拟调速输入
电机调速输入,PWM/CLOCK 调速
转速输出信号或者堵转指示,集电极开路输出
输入电源
W 相输出
W 相输出
下桥地端输出
下桥地端输出
V 相输出
V 相输出
下桥地端输出
下桥地端输出
U 相输出
U 相输出
输入电源,5~18V DC,接≥1uF 电容到地
输入电源
电荷泵输出,对 VCC 接 1~4.7uF 电容
电荷泵引脚,在 CP2 与 CP1 之间接 0.1uF 电容
备注:
1. IO 类型说明:
DI = 数字输入,
DO = 数字输出,
AI = 模拟输入,
AO = 模拟输出,
P = 电源
REV_V1.0
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FT8215Q
2
封装信息
2.1 QFN24
Symbol
A
A1
b
c
D
D2
e
Ne
Nd
E
E2
L
h
N
REV_V1.0
Millimeter
Min
0.70
–
0.18
0.18
3.90
2.40
Nom
0.75
0.02
0.25
0.20
4.00
2.50
0.50BSC
2.50BSC
2.50BSC
3.90
4.00
2.35
2.50
0.35
0.40
0.30
0.35
Pin Number = 24
图 2-1 QFN24 封装尺寸图(4.0mm*4.0mm*0.75mm, e=0.5mm)
8
Max
0.80
0.05
0.30
0.25
4.10
2.60
4.10
2.65
0.45
0.40
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FT8215Q
3
定购信息
控制功能
型号
FT8215Q
REV_V1.0
封装
QFN24
(4x4 mm)
电源
电压
(V)
5~18
Rdson
(上桥+
下桥)
(Ω)
驱
动
电
流
(A)
0.25
2
保护
调速方式
驱动类型
无感正弦
I2C
PWM/
CLOCK
模拟
√
√
√
9
正
反
转
初
始
位
置
侦
测
过
流
保
护
过
温
保
护
欠
压
保
护
堵
转
保
护
缺
相
保
护
√
√
√
√
√
√
√
工作温度
Tj(℃)
无
铅
-40~150
√
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FT8215Q
4
修改记录(Document Change List)
Date
Revision
2021/01/11
1.0
REV_1.0
Changes
初始版本
10
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FT8215Q
Copyright Notice
Copyright by Fortior Technology (Shenzhen) Co., Ltd. All Rights Reserved.
Right to make changes —Fortior Technology (Shenzhen) Co., Ltd RSVs the right to make changes
in the products - including circuits, standard cells, and/or software - described or contained herein
in order to improve design and/or performance. The information contained in this manual is
provided for the general use by our customers. Our customers should be aware that the personal
computer field is the subject of many patents. Our customers should ensure that they take
appropriate action so that their use of our products does not infringe upon any patents. It is the
policy of Fortior Technology (Shenzhen) Co., Ltd. to respect the valid patent rights of third parties
and not to infringe upon or assist others to infringe upon such rights.
This manual is copyrighted by Fortior Technology (Shenzhen) Co., Ltd. You may not reproduce,
transmit, transcribe, store in a retrieval system, or translate into any language, in any form or by
any means, electronic, mechanical, magnetic, optical, chemical, manual, or otherwise, any part of
this publication without the expressly written permission from Fortior Technology (Shenzhen) Co.,
Ltd.
Fortior Technology (Shenzhen) Co., Ltd.
Room203, 2/F, Building No.11, Keji Central Road2,
SoftwarePark, High-Tech Industrial Park, Shenzhen, P.R. China 518057
Tel: 0755-26867710
Fax: 0755-26867715
URL: http://www.fortiortech.com
Contained herein
Copyright by Fortior Technology (Shenzhen) Co., Ltd all rights Reserved.
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