Datasheet > DRV120APWR

DRV120APWR

更新时间： 2024-11-21 12:23:27

品牌	Logo	应用领域
德州仪器 - TI		驱动器
页数	文件大小	规格书
16页	659K
描述
POWER SAVING CURRENT CONTROLLED SOLENOID DRIVER

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DRV120APWR 数据手册

DRV120

www.ti.com

SLVSBG3A –JUNE 2012–REVISED AUGUST 2012

POWER SAVING CURRENT CONTROLLED SOLENOID DRIVER

Check for Samples: DRV120

FEATURES

•

Integrated MOSFET With PWM to Control

Solenoid Current

•

Protection

–

Thermal Shutdown

–

Integrated Sense Resistor for Regulating

Solenoid Current

Under Voltage Lockout (UVLO)

Maximum Ramp Time

•

Fast Ramp-Up of Solenoid Current to

Guarantee Activation

Optional STATUS Output

•

Operating Temperature Range: -40ºC to 105ºC

8-Pin and 14-Pin TSSOP Package Options

Solenoid Current is Reduced in Hold Mode for

Lower Power and Thermal Dissipation

Peak Current, Keep Time at Peak Current, Hold

Current and PWM Clock Frequency Can Be Set

Externally. They Can Also Be Operated at

Nominal Values Without External Components.

APPLICATIONS

•

Electromechanical Driver: Solenoids, Valves,

Relays

•

White Goods, Solar, Transportation

•

Internal Supply Voltage Regulation

–

Up to 28-V External Supply

DESCRIPTION

The DRV120 is a PWM current driver for solenoids. It is designed to regulate the current with a well controlled

waveform to guarantee activation and to reduce power dissipation at the same time. The solenoid current is

ramped up fast to ensure opening of the valve or relay. After the initial ramping, solenoid current is kept at peak

value to ensure the correct operation, after which it is reduced to a lower hold level in order to avoid thermal

problems and reduce power dissipation.

The peak current duration is set with an external capacitor. The current ramp peak and hold levels, as well as

PWM frequency can independently be set with external resistors. External setting resistors can also be omitted, if

the default values for the corresponding parameters are suitable for the application.

DRV120 can operate from external 6-V to 28-V supply.

ORDERING INFORMATION⁽¹⁾

ORDERABLE PART

NUMBER

TOP-SIDE

MARKING

PACKAGE⁽²⁾

(TSSOP-8) - PW

(TSSOP-14) - PW

Reel of 2000

DRV120PWR

120

DRV120APWR

120A

(1) For the most current packaging and ordering information, see the Package Option Addendum at the end of this document, or see the TI

web site at www.ti.com.

(2) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...16

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与DRV120APWR相关器件

型号	品牌	获取价格	描述	数据表
DRV120PWR	TI	获取价格	POWER SAVING CURRENT CONTROLLED SOLENOID DRIVER
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DRV134	TI	获取价格	BALANCED OUTPUT, LOW DISTORTION: 0.0005% at f = 1kHz
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DRV134_06	BB	获取价格	AUDIO BALANCED LINE DRIVERS
DRV134PA	BB	获取价格	AUDIO BALANCED LINE DRIVERS
DRV134PA	TI	获取价格	AUDIO BALANCED LINE DRIVERS
DRV134PAG4	TI	获取价格	AUDIO BALANCED LINE DRIVERS
DRV134PAG4	BB	获取价格	AUDIO BALANCED LINE DRIVERS
DRV134UA	BB	获取价格	AUDIO BALANCED LINE DRIVERS

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