DRV8840 5A Brushed DC Motor Driver with Inrush Protection (PH/EN Ctrl) | TI.com

DRV8840
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5A Brushed DC Motor Driver with Inrush Protection (PH/EN Ctrl)

5A Brushed DC Motor Driver with Inrush Protection  (PH/EN Ctrl) - DRV8840
Datasheet
 

Description

The DRV8840 provides an integrated motor driver solution for printers, scanners, and other automated equipment applications. The device has one H-bridge driver, and is intended to drive one DC motor. The output driver block for each consists of N-channel power MOSFETs configured as full H-bridges to drive the motor windings. The DRV8840 can supply up to 5-A peak or 3.5-A output current (with proper heatsinking at 24 V and 25°C).

A simple parallel digital control interface is compatible with industry-standard devices. Decay mode is programmable to allow braking or coasting of the motor when disabled.

Internal shutdown functions are provided for overcurrent protection, short-circuit protection, undervoltage lockout, and overtemperature.

The DRV8840 is available in a 28-pin HTSSOP package with PowerPAD™ (Eco-friendly: RoHS & no Sb/Br).

Features

  • Single H-Bridge Current-Control Motor Driver
  • 8.2-V to 45-V Operating Supply Voltage Range
  • Five Bit Current Control Allows up to 32 Current
    Levels
  • Low MOSFET RDS(on) Typical 0.65 Ω (HS + LS)
  • 5-A Maximum Drive Current at 24 V, TA = 25°C
  • Built-In 3.3-V Reference Output
  • Parallel Digital Control Interface
  • Thermal Enhanced Surface Mount Package
  • Protection Features:
    • Overcurrent Protection (OCP)
    • Thermal Shutdown (TSD)
    • VM Undervoltage Lockout (UVLO)
    • Fault Condition Indication Pin (nFAULT)

Parametrics

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Part number Order Number of full bridges Vs (Min) (V) Vs (Max) (V) 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
DRV8840 Order now 1     8.2     45     6     200     PH/EN     Hardware (GPIO)     Current Regulation     28HTSSOP: 43 mm2: 4.4 x 9.7 (HTSSOP | 28)     1.55 | 1ku     Catalog    
DRV8842 Order now 1     8.2     45     6     200     PWM     Hardware (GPIO)     Current Regulation     28HTSSOP: 43 mm2: 4.4 x 9.7 (HTSSOP | 28)     1.55 | 1ku     Catalog