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DRV8434E

更新时间： 2024-11-09 02:50:31
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德州仪器 - TI /
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DRV8434E/P Dual H-Bridge Motor Driver With Integrated Current Sense and Smart Tune Technology

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DRV8434E  
SLOSE49 – NOVEMBER 2020  
DRV8434E/P Dual H-Bridge Motor Driver With Integrated Current Sense and Smart  
Tune Technology  
1 Features  
3 Description  
•
Dual H-bridge motor driver  
– One bipolar stepper motor  
The DRV8434E/P devices are dual H-bridge motor  
drivers for a wide variety of industrial applications.  
The devices can be used for driving two DC motors,  
or a bipolar stepper motor.  
– Dual bidirectional brushed-DC motors  
– Four unidirectional brushed-DC motors  
Integrated current sense functionality  
– No sense resistors required  
– ±4% Full-scale current accuracy  
4.5-V to 48-V Operating supply voltage range  
Multiple control interface options  
•
The output stage of the driver consists of N-channel  
power MOSFETs configured as two full H-bridges,  
charge pump regulator, current sensing and  
regulation, and protection circuitry. The integrated  
current sensing uses an internal current mirror  
architecture, removing the need for a large power  
shunt resistor, saving board area and reducing system  
cost. A low-power sleep mode is provided to achieve  
ultra- low quiescent current draw by shutting down  
most of the internal circuitry. Internal protection  
features are provided for supply undervoltage lockout  
(UVLO), charge pump undervoltage (CPUV), output  
overcurrent (OCP), and device overtemperature  
(TSD).  
•
•
– PHASE/ENABLE (PH/EN)  
– PWM (IN/IN)  
•
•
•
Smart tune, fast and mixed decay options  
Low RDS(ON): 330 mΩ HS + LS at 24 V, 25°C  
High Current Capacity Per Bridge: 4-A peak  
(brushed), 2.5-A Full-Scale (stepper)  
Inrush current limiting in brushed-DC applications  
Pin to pin compatible with -  
•
•
The DRV8424E/P is capable of driving a stepper  
motor with up to 2.5-A full scale or brushed motors  
with up to 4-A peak (dependent on PCB design).  
– DRV8426E/P: 33-V, 900 mΩ HS + LS  
– DRV8436E/P: 48-V, 900 mΩ HS + LS  
– DRV8424E/P: 33-V, 330 mΩ HS + LS  
Configurable Off-Time PWM Chopping  
– 7, 16, 24 or 32 μs  
Supports 1.8-V, 3.3-V, 5.0-V logic inputs  
Low-current sleep mode (2 µA)  
Spread spectrum clocking for low EMI  
Protection features  
Device Information  
•
PART NUMBER (1)  
DRV8434EPWPR  
DRV8434ERGER  
DRV8434PPWPR  
DRV8434PRGER  
PACKAGE  
HTSSOP (28)  
VQFN (24)  
BODY SIZE (NOM)  
9.7mm x 4.4mm  
4.0mm x 4.0mm  
9.7mm x 4.4mm  
4.0mm x 4.0mm  
•
•
•
•
HTSSOP (28)  
VQFN (24)  
– VM undervoltage lockout (UVLO)  
– Charge pump undervoltage (CPUV)  
– Overcurrent protection (OCP)  
– Thermal shutdown (OTSD)  
(1) For all available packages, see the orderable addendum at  
the end of the data sheet.  
– Fault condition output (nFAULT)  
2 Applications  
•
•
•
•
•
•
Printers and scanners  
ATMs and Textile Machines  
Office and home automation  
Factory automation and robotics  
Major home appliances  
Vacuum, humanoid, and robotics  
Figure 3-1. DRV8434E Simplified Schematic  
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,  
intellectual property matters and other important disclaimers. PRODUCTION DATA.  
 
 
 
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与DRV8434E相关器件

型号 品牌 获取价格 描述 数据表
DRV8434E/P TI

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 		DRV8434E/P Dual H-Bridge Motor Driver With Integrated Current Sense and Smart Tune Technol
DRV8434EPWPR TI

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 		DRV8434E/P Dual H-Bridge Motor Driver With Integrated Current Sense and Smart Tune Technol
DRV8434ERGER TI

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 		DRV8434E/P Dual H-Bridge Motor Driver With Integrated Current Sense and Smart Tune Technol
DRV8434P TI

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 		DRV8434E/P Dual H-Bridge Motor Driver With Integrated Current Sense and Smart Tune Technol
DRV8434PPWPR TI

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 		DRV8434E/P Dual H-Bridge Motor Driver With Integrated Current Sense and Smart Tune Technol
DRV8434PRGER TI

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 		DRV8434E/P Dual H-Bridge Motor Driver With Integrated Current Sense and Smart Tune Technol
DRV8434PWPR TI

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 		48V, 2.5A bipolar stepper motor driver with integrated current sensing and 1/256 microstep
DRV8434RGER TI

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 		48V, 2.5A bipolar stepper motor driver with integrated current sensing and 1/256 microstep
DRV8434S TI

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 		具有集成式电流感应和失速检测功能的 48V、2.5A 双极步进电机驱动器（使用 SPI 接
DRV8434SPWPR TI

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 		具有集成式电流感应和失速检测功能的 48V、2.5A 双极步进电机驱动器（使用 SPI 接

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