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DRV8873的基本参数
  • 制造厂商:TI
  • 产品类别:电机驱动器
  • 技术类目:有刷直流 (BDC) 电机驱动器
  • 功能描述:40-V, 10-A H-bridge motor driver with integrated current sensing & current sense feedback
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DRV8873的产品详情:

The DRV8873 device is an integrated driver IC for driving a brushed DC motor in industrial applications. Two logic inputs control the H-bridge driver, which consists of four N-channel MOSFETs that drive motors bi-directionally with up to 10-A peak current. The device operates from a single power supply and supports a wide input supply range from 4.5 V to 38 V.

A PH/EN or PWM interface allows simple interfacing to controller circuits. Alternatively, independent half-bridge control is available to drive two solenoid loads.

A current mirror allows the controller to monitor the load current. This mirror approximates the current through the high-side FETs, and does not require a high-power resistor for sensing the current.

A low-power sleep mode is provided to achieve very-low quiescent current draw by shutting down much of the internal circuitry. Internal protection functions are provided for undervoltage lockout, charge pump faults, overcurrent protection, short-circuit protection, open-load detection, and overtemperature. Fault conditions are indicated on an nFAULT pin and through the SPI registers.

DRV8873的优势和特性:
  • H-Bridge Motor Driver
    • Drives One DC Motor, One Winding of a Stepper Motor, or Solenoid Loads
  • 4.5-V to 38-V Operating Voltage Range
  • 10-A Peak Current Drive
  • Low HS + LS RDS(ON)
    • 150 m? at TJ = 25°C, 13.5 V
    • 250 m? at TJ = 150°C, 13.5 V
  • Current Mirror for Output Current Sensing
  • Configurable Control Interface
    • PH/EN
    • PWM (IN1/IN2)
    • Independent Half-Bridge Control
  • Supports 1.8-V, 3.3-V, 5-V Logic Inputs
  • SPI or Hardware Interface Options
  • Low-Power Sleep Mode (10 μA)
  • Small Package and Footprint
    • 24 HTSSOP PowerPAD? IC Package
  • Protection Features
    • VM Undervoltage Lockout (UVLO)
    • Charge Pump Undervoltage (CPUV)
    • Overcurrent Protection (OCP)
    • Output short to battery and short to ground protection
    • Open Load Detection
    • Thermal Shutdown (TSD)
    • Fault Condition Output (nFAULT / SPI)
DRV8873的参数(英文):
  • Number of full bridges
  • 1
  • Vs (Min) (V)
  • 4.5
  • Vs ABS (Max) (V)
  • 40
  • Peak output current (A)
  • 10
  • RDS(ON) (HS + LS) (mOhms)
  • 150
  • Sleep current (uA)
  • 15
  • Control mode
  • Independent 1/2-Bridge, PH/EN, PWM
  • Control interface
  • Hardware (GPIO), SPI
  • Features
  • Current Sense Amplifier, Integrated Current Sensing, Open-Load Detection
  • Rating
  • Catalog
  • Operating temperature range (C)
  • -40 to 125
DRV8873具体的完整产品型号参数及价格(美元):

DRV8873的完整型号有:DRV8873HPWPR、DRV8873HPWPT、DRV8873SPWPR、DRV8873SPWPT,以下是这些产品的关键参数及官网采购报价:

DRV8873HPWPR,工作温度:-40 to 125,封装:HTSSOP (PWP)-24,包装数量MPQ:2000个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:NIPDAU,TI官网DRV8873HPWPR的批量USD价格:1.673(1000+)

DRV8873HPWPT,工作温度:-40 to 125,封装:HTSSOP (PWP)-24,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:NIPDAU,TI官网DRV8873HPWPT的批量USD价格:2.008(1000+)

DRV8873SPWPR,工作温度:-40 to 125,封装:HTSSOP (PWP)-24,包装数量MPQ:2000个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:NIPDAU,TI官网DRV8873SPWPR的批量USD价格:1.757(1000+)

DRV8873SPWPT,工作温度:-40 to 125,封装:HTSSOP (PWP)-24,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:NIPDAU,TI官网DRV8873SPWPT的批量USD价格:2.091(1000+)

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DRV8873的评估套件:

DRV8873HEVM — 具有硬件接口和集成式电流检测功能的 10A H 桥电机驱动器评估模块

DRV8873 是一款适用于工业和汽车应用的集成驱动器。该器件具有 10A 峰值电流能力和 4.5V 至 38V 的电压范围,可支持多种应用。PH/EN 或 PWM 接口允许轻松连接到控制器电路,同时还允许独立的半桥控制,以驱动两个螺线管负载。

电流镜接近于流经高侧 FET 的电流,并且不需要感应电阻器。

提供了低功耗睡眠模式,以通过关断多个内部电路实现极低的静态电流消耗。

借助 nFAULT 引脚上显示的故障状况并通过 SPI 寄存器,针对欠压锁定、电荷泵故障、过流保护、短路保护和过热等情况提供内部保护功能。

DRV8873SEVM — 具有硬件接口和集成式电流检测功能的 10A H 桥电机驱动器评估模块

DRV8873 是一款适用于工业和汽车应用的集成驱动器。该器件具有 10A 峰值电流能力和 4.5V 至 38V 的电压范围,可支持多种应用。

PH/EN 或 PWM 接口允许轻松连接到控制器电路,同时还允许独立的半桥控制,以驱动两个螺线管负载。电流镜接近于流经高侧 FET 的电流,并且不需要感应电阻器。

提供了低功耗睡眠模式,以通过关断多个内部电路实现极低的静态电流消耗。

借助 nFAULT 引脚上显示的故障状况并通过 SPI 寄存器,针对欠压锁定、电荷泵故障、过流保护、短路保护和过热等情况提供内部保护功能。

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