DRV8881 DRV8881 2A デュアル H ブリッジ・モーター・ドライバ SLVSD1 | TIJ.co.jp

DRV8881 (供給中) DRV8881 2A デュアル H ブリッジ・モーター・ドライバ SLVSD1

DRV8881 2A デュアル H ブリッジ・モーター・ドライバ SLVSD1 - DRV8881
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推奨代替製品

  • DRV8886AT  -  DRV8886AT はステッパ・モーター・アプリケーション向けに最大 1/16 のマイクロステッピング機能、電流検出機能、アダプティブ減衰モードを搭載しています。

概要

The DRV8881 is a bipolar stepper or brushed-DC motor driver for industrial applications. The device output stage consists of two N-channel power MOSFET H-bridge drivers. The DRV8881 is capable of driving up to 2.5-A peak current or 1.4-A rms current per H-bridge (with proper PCB ground plane for thermal dissipation and at 24 V and TA = 25°C).

AutoTune™ automatically tunes motors for optimal current regulation performance and compensates for motor variation and aging effects. AutoTune is available on the DRV8881E. Additionally, slow, fast, and mixed decay modes are available.

The PH/EN (DRV8881E) or PWM (DRV8881P) pins provide a simple control interface. An internal sense amplifier allows for adjustable current control. A low-power sleep mode is provided for very-low quiescent current standby using a dedicated nSLEEP pin.

Internal protection functions are provided for undervoltage, charge pump faults, overcurrent, short-circuits, and overtemperature. Fault conditions are indicated by a nFAULT pin.

特長

  • Dual H-Bridge Motor Driver
    • Bipolar Stepper Motor Driver
    • Single or Dual Brushed-DC Motor Driver
  • 6.5- to 45-V Operating Supply Voltage Range
  • Two Control Interface Options
    • PHASE/ENABLE (DRV8881E)
    • PWM (DRV8881P)
  • Multiple Decay Modes to Support Any Motor
    • AutoTune™ (DRV8881E Only)
    • Mixed Decay
    • Slow Decay
    • Fast Decay
  • Adaptive Blanking Time for Smooth Motion
  • Parallel Mode Operation (DRV8881P Only)
  • Configurable Off-Time PWM Chopping
    • 10, 20, or 30 µs Off-Time
  • 3.3-V, 10-mA LDO Regulator
  • Low-Current Sleep Mode (28 µA)
  • Small Package and Footprint
    • 28 HTSSOP (PowerPAD)
    • 28 WQFN (PowerPAD)
  • Protection Features
    • VM Undervoltage Lockout (UVLO)
    • Charge Pump Undervoltage (CPUV)
    • Overcurrent Protection (OCP)
    • Automatic OCP Retry
    • Thermal Shutdown (TSD)
    • Fault Condition Indication Pin (nFAULT)

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機能一覧

他の製品と比較 ステッパ・モーター・ドライバ メール Excelへダウンロード
Part number オーダー・オプション Number of full bridges Vs (Min) (V) Vs (Max) (V) Full-scale current (A) Peak output current (A) RDS(ON) (HS + LS) (mOhms) Control mode Control interface Features Package size: mm2:W x L (PKG) Approx. price (US$) Rating
DRV8881 ご注文 2     6.5     45     2     2.5     630     PWM
PH/EN    
Hardware (GPIO)     Smart tune
Current Regulation    
28HTSSOP: 43 mm2: 4.4 x 9.7 (HTSSOP | 28)
28WQFN: 19 mm2: 3.5 x 5.5 (WQFN | 28)    
1.53 | 1ku     Catalog    
DRV8436 ご注文 2     4.5     48     1.5     2.5     900     STEP/DIR     Hardware (GPIO)     Smart Tune
Integrated Current Sensing    
24HTSSOP: 34 mm2: 4.4 x 7.8 (HTSSOP | 24)       Catalog    
DRV8436E ご注文 2     4.5     45     1.5     2.5     900     PWM, PH/EN     Hardware (GPIO)     Smart Tune, Integrated Current Sensing     24HTSSOP: 34 mm2: 4.4 x 7.8 (HTSSOP | 24)       Catalog    
DRV8813 ご注文 2     8.2     45     2.5     3     400     PH/EN     Hardware (GPIO)     Current Regulation     28HTSSOP: 43 mm2: 4.4 x 9.7 (HTSSOP | 28)     1.55 | 1ku     Catalog    
DRV8824 ご注文 2     8.2     45     1.6     1.8     1280     STEP/DIR     Hardware (GPIO)     Current Regulation     28HTSSOP: 43 mm2: 4.4 x 9.7 (HTSSOP | 28)
28VQFN: 25 mm2: 5 x 5 (VQFN | 28)    
1.50 | 1ku     Catalog    
DRV8825 ご注文 2     8.2     45     2.5     3     400     STEP/DIR     Hardware (GPIO)     Current Regulation     28HTSSOP: 43 mm2: 4.4 x 9.7 (HTSSOP | 28)     1.60 | 1ku     Catalog    
DRV8843 ご注文 2     8.2     45     2.5     3     400     PWM     Hardware (GPIO)     Current Regulation     28HTSSOP: 43 mm2: 4.4 x 9.7 (HTSSOP | 28)     1.55 | 1ku     Catalog    
DRV8880 ご注文 2     6.5     45     2     2.5     630     STEP/DIR     Hardware (GPIO)