DRV8842-EP Texas instruments

DRV8842-EP

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DRV8842-EP

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Описание

The DRV8842-EP 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, one coil of a stepper motor, or other loads. The output driver block consists of N-channel power MOSFETs configured as an H-bridge. The DRV8842-EP can supply up to 5-A peak or 3.5-A RMS output current (with proper heatsinking at 24 V and 25°C). Separate inputs to independently control each half of the H-bridge are provided. Internal shutdown functions are provided for overcurrent protection, short circuit protection, undervoltage lockout, and over-temperature. The DRV8842-EP is available in a 28-pin HTSSOP package with PowerPAD (Eco-friendly: RoHS & no Sb/Br).

Single H-Bridge Current-Control Motor Driver
- Drives One DC Motor, One Coil of a Stepper
  Motor, or Other Actuators
- Five-Bit Winding Current Control Allows Up to
  32 Current Levels
- Low MOSFET On-Resistance
5-A Maximum Drive Current at 24 V, 25°C
Built-In 3.3-V Reference Output
Industry-Standard PWM Control Interface
8.2-V to 45-V Operating Supply Voltage Range
Thermally Enhanced Surface Mount Package
Supports Defense, Aerospace, and Medical
Applications
- Controlled Baseline
- One Assembly and Test Site
- One Fabrication Site
- Available in Military (–55°C to 125°C)
  Temperature Range
- Extended Product Life Cycle
- Extended Product-Change Notification
- Product Traceability

Number of full bridges	1
Vs (min) (V)	8.2
Vs ABS (max) (V)	47
Peak output current (A)	6
RDS(ON) (HS + LS) (mΩ)	200
Sleep current (µA)	10
Control mode	PWM
Control interface	Hardware (GPIO)
Features	Current Regulation
Rating	HiRel Enhanced Product
Operating temperature range (°C)	-55 to 125