主页 电机驱动器 步进电机驱动器
主页
电机驱动器
步进电机驱动器
新

DRV8421

正在供货

18V、2A 双通道 H 桥电机驱动器

立即订购
数据表

DRV8421

正在供货
数据表 立即订购

米6体育平台手机版_好二三四详情

Number of full bridges 2 Vs (min) (V) 4 Vs ABS (max) (V) 20 Peak output current (A) 2 RDS(ON) (HS + LS) (mΩ) 900 Control mode PWM Control interface Hardware (GPIO) Features Low-Power Sleep Mode Rating Catalog Operating temperature range (°C) -40 to 125
Number of full bridges 2 Vs (min) (V) 4 Vs ABS (max) (V) 20 Peak output current (A) 2 RDS(ON) (HS + LS) (mΩ) 900 Control mode PWM Control interface Hardware (GPIO) Features Low-Power Sleep Mode Rating Catalog Operating temperature range (°C) -40 to 125
HVSSOP (DGQ) 10 14.7 mm² 3 x 4.9
  • Dual H-Bridge Motor Driver
    • Single/Dual Brushed DC
    • Stepper
    • Solenoids
  • 4 to 18V Operating Supply Voltage Range
  • Low ON-resistance: HS + LS = 900mΩ (Typical, 25°C)
  • High Output Current per H-Bridge
    • 2A Maximum Driver Current at 12V and TA = 25°C
    • Parallel Mode Available Capable of 4A Maximum Driver Current at 12V and TA = 25°C
  • Device versions:
    • DRV8421A (4-wire input): Independent Half Bridge Control
    • DRV8421B (2-wire input): Sleep Mode, Fault detect
  • Similar LV Stepper Drivers:
    • DRV8410: 1.65 to 11V (800mΩ RDS(ON))
    • DRV8411: 1.65 to 11V (400mΩ RDS(ON))
    • DRV8411A: 1.65 to 11V (400mΩ RDS(ON))
  • PWM Control Interface
  • Low-Current 3µA Sleep Mode (2-wire input version only)
  • Thermally-Enhanced Surface Mount Package
  • Protection Features
    • VM Undervoltage Lockout (UVLO)
    • Overcurrent Protection (OCP)
    • Thermal Shutdown (TSD)
    • Fault Condition Indication Pin (nFAULT) (2-wire input version only)
  • Dual H-Bridge Motor Driver
    • Single/Dual Brushed DC
    • Stepper
    • Solenoids
  • 4 to 18V Operating Supply Voltage Range
  • Low ON-resistance: HS + LS = 900mΩ (Typical, 25°C)
  • High Output Current per H-Bridge
    • 2A Maximum Driver Current at 12V and TA = 25°C
    • Parallel Mode Available Capable of 4A Maximum Driver Current at 12V and TA = 25°C
  • Device versions:
    • DRV8421A (4-wire input): Independent Half Bridge Control
    • DRV8421B (2-wire input): Sleep Mode, Fault detect
  • Similar LV Stepper Drivers:
    • DRV8410: 1.65 to 11V (800mΩ RDS(ON))
    • DRV8411: 1.65 to 11V (400mΩ RDS(ON))
    • DRV8411A: 1.65 to 11V (400mΩ RDS(ON))
  • PWM Control Interface
  • Low-Current 3µA Sleep Mode (2-wire input version only)
  • Thermally-Enhanced Surface Mount Package
  • Protection Features
    • VM Undervoltage Lockout (UVLO)
    • Overcurrent Protection (OCP)
    • Thermal Shutdown (TSD)
    • Fault Condition Indication Pin (nFAULT) (2-wire input version only)

The DRV8421 provides a dual H-bridge motor driver for home appliances and other mechatronic applications. The device can be used to drive one or two DC motors, a bipolar stepper motor, or other loads. A simple PWM interface allows easy interfacing to controller circuits.

The output block of each H-bridge driver consists of N-channel power MOSFETs configured as full H-bridges to drive the motor windings. The DRV8421 is capable of driving a maximum current of 2A from each output or 4A in parallel mode (with proper heat sinking, at 12V and TA = 25°C).

The device contains two versions having a 4-wire input (DRV8421A) or a 2-wire input (DRV8421B). The 2-wire input version (DRV8421B) contains features like enable and fault detection, while the 4-wire input version (DRV8421A) can drive four half bridges based on signals to four input terminals. A low-power sleep mode is also provided for the 2-wire input version. It shuts down internal circuitry to achieve very-low quiescent current draw. This sleep mode can be set by pulling the enable pin low.

Internal protection functions are provided for UVLO, OCP, short-circuit protection, and overtemperature. Fault conditions are indicated by a nFAULT pin in the DRV8421B, the 2-wire input device.

The DRV8421 provides a dual H-bridge motor driver for home appliances and other mechatronic applications. The device can be used to drive one or two DC motors, a bipolar stepper motor, or other loads. A simple PWM interface allows easy interfacing to controller circuits.

The output block of each H-bridge driver consists of N-channel power MOSFETs configured as full H-bridges to drive the motor windings. The DRV8421 is capable of driving a maximum current of 2A from each output or 4A in parallel mode (with proper heat sinking, at 12V and TA = 25°C).

The device contains two versions having a 4-wire input (DRV8421A) or a 2-wire input (DRV8421B). The 2-wire input version (DRV8421B) contains features like enable and fault detection, while the 4-wire input version (DRV8421A) can drive four half bridges based on signals to four input terminals. A low-power sleep mode is also provided for the 2-wire input version. It shuts down internal circuitry to achieve very-low quiescent current draw. This sleep mode can be set by pulling the enable pin low.

Internal protection functions are provided for UVLO, OCP, short-circuit protection, and overtemperature. Fault conditions are indicated by a nFAULT pin in the DRV8421B, the 2-wire input device.
filter 查找其他 步进电机驱动器
下载 观看带字幕的视频 视频

技术文档

star =有关此米6体育平台手机版_好二三四的 TI 精选热门文档
未找到结果。请清除搜索并重试。
查看全部 2
类型 标题 下载最新的英语版本 日期
* 数据表 DRV8421 18V 2A Dual H-Bridge Stepper Driver 数据表 PDF | HTML 2024年 6月 17日
应用手册 所选封装材料的热学和电学性质 2008年 10月 16日

设计和开发

如需其他信息或资源，请点击以下任一标题进入详情页面查看（如有）。

评估板

DRV8421BEVM — DRV8421B 评估模块

DRV8421 评估模块 (EVM) 可轻松评估 DRV8421 器件。该 EVM 已被编程并配置为开箱即用，可用于立即开始旋转电机。该器件可用于驱动一个或两个直流电机、一个双极性步进电机或其他负载（每个负载输出电流最高 2A，并行模式下电流最高 4A）。

用户指南: PDF | HTML
英语版: PDF | HTML
TI.com 上无现货
光绘文件

DRV8421xEVM Hardware Files (Rev. A)

SLVC853A.ZIP (5670 KB)
下载
封装 引脚 CAD 符号、封装和 3D 模型
HVSSOP (DGQ) 10 Ultra Librarian
应遵守 TI 评估类商品的标准条款与条件。

订购和质量

包含信息：
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
包含信息：
  • 制造厂地点
  • 封装厂地点

推荐米6体育平台手机版_好二三四可能包含与 TI 此米6体育平台手机版_好二三四相关的参数、评估模块或参考设计。

支持和培训

视频