Datasheet > OM9373

OM9373

更新时间： 2024-01-02 10:49:37

品牌	Logo	应用领域
英飞凌 - INFINEON		电机驱动
页数	文件大小	规格书
14页	151K
描述
FULL-FEATURED POWER MODULE FOR DIRECT DRIVE OF 3-PHASE BRUSHLESS DC MOTOR

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OM9373 技术参数

生命周期：	Transferred	包装说明：	PLASTIC, MP3-43L, 43 PIN
Reach Compliance Code：	unknown	风险等级：	5.65
模拟集成电路 - 其他类型：	BRUSHLESS DC MOTOR CONTROLLER	JESD-30 代码：	R-PDFM-F43
功能数量：	1	端子数量：	43
最高工作温度：	85 °C	最低工作温度：	-40 °C
最大输出电流：	50 A	封装主体材料：	PLASTIC/EPOXY
封装形状：	RECTANGULAR	封装形式：	FLANGE MOUNT
认证状态：	Not Qualified	最大供电电压 (Vsup)：	16.5 V
最小供电电压 (Vsup)：	13.5 V	标称供电电压 (Vsup)：	15 V
表面贴装：	YES	温度等级：	INDUSTRIAL
端子形式：	FLAT	端子位置：	DUAL
Base Number Matches：	1

OM9373 数据手册

OM9373

Modes of Operation

Figures 2 and 3, shown on the following pages,

provides schematic representations of typical voltage-

mode and current -mode applications for the OM9373

controller/driver.

Figure 2 also shows the implementation of the

cycle-by-cycle current limit/overcurrent protection

feature of the OM9373. The load current is monitored

red via the controller’s internal sense resistor. The

current sense signal is filtered and fed into the current

rent sense amplifier where the absolute value of

ISH-ISL is multiplied by two and biased up by 2.5V

The output of the current sensor amplifier is compared to

a fixed reference, thus providing cycle-by-cycle

current limiting and/or overcurrent protection as

necessary. The typical peak current threshold (ISL-ISH)

is 0.2V; the typical over current threshold (ISH-ISL) is

0.3V.

Figure 2 represents the implemenation of a typical

voltage-mode controller for velocity control. A voltage

or speed command is applied to the noninverting

input of the error amplifier which is configured as

voltage follower. The ouput of the error amplifier is

compared to a pulse width modulated ramp,and

since motor speed is nearly proportional to the

average phase output voltage, the average speed is

controlled via duty cycle control. If a speed feedback

loop is required, the tachometer output can be

connected to the inverting input of the error amplifier

via a loop compensation network.

Fig 2: Implementation of a Voltage -Mode Controller

+15V

10uF

.1uF

3.24k

V_MOTOR

Vcc

V_MOTOR

EA1-

EA2+

PHASE_A_OUT

COMMAND

EA1+

C_BUS

C_FILT

VREF

EA2-

SOURCE_A

EA2_OUT

EA1_OUT

PWM_IN

OSCILLATOR

I_SENSE

ISH

V_MOTOR

1.50k

PHASE_B_OUT

MOTOR

ISL

QUAD_SEL

TACH_OUT

BRAKE

SOURCE_B

.1uF

10k

.1uF

OV_COAST

SOFT_START

GROUND

H3_HALL_INPUT

H2_HALL_INPUT

H1_HALL_INPUT

SPEED_IN

DIRECTION

CSH

V_MOTOR

FROM MOTOR HALL SENSORS

PHASE_C_OUT

N/C

SOURCE_C

MOTOR_RETURN

HALL SENSORS

CSL

4700pF

232

www.irf.com

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与OM9373相关器件

型号	品牌	描述	获取价格	数据表
OM9373RF	ETC	Industrial Control IC	获取价格
OM9373SF	INFINEON	FULL-FEATURED POWER MODULE FOR DIRECT DRIVE OF 3-PHASE BRUSHLESS DC MOTOR	获取价格
OM9373SP	INFINEON	FULL-FEATURED POWER MODULE FOR DIRECT DRIVE OF 3-PHASE BRUSHLESS DC MOTOR	获取价格
OM9374RF	ETC	Industrial Control IC	获取价格
OM9374SF	ETC	Industrial Control IC	获取价格
OM9375	ETC	25 Amp. Push-Pull 3-Phase Brushless DC Motor Controller/Driver Module in a Power Flatpack	获取价格

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