DRV8870DDAR IC 45V 3.6A H-bridge motor driver with current regulation

• Customization: Available
• Conductive Type: Bipolar Integrated Circuit
• Integration: MSI
• Model NO.: DRV8870DDAR
• Technics: Semiconductor IC
• MFG.: TI
• D/C: 20+
• Package: HSOP8
• Quality: Genuine New Original
• shape: SMD
• Transport Package: Box
• Origin: China
• HS Code: 8542390000
• Production Capacity: 1000000PCS

Product Description

Description

DRV8870DDAR: Brushed DC Motor Driver 8-Pin HSOP EP T/R

Package: HSOP8

Mfr. Part#: DRV8870DDAR

Mfr.: TI

Datasheet: (e-mail or chat us for PDF file)

ROHS Status: 

Quality: 100% Original

Warranty: 180 days

 

Features for the DRV8870

• H-Bridge Motor Driver
  • Drives One DC Motor, One Winding of a Stepper Motor, or Other Loads
• Wide 6.5-V to 45-V Operating Voltage
• 565-mΩ Typical R_DS(on) (HS + LS)
• 3.6-A Peak Current Drive
• PWM Control Interface
• Integrated Current Regulation
• Low-Power Sleep Mode
• Small Package and Footprint
  • 8-Pin HSOP With PowerPAD™
  • 4.9 × 6.0 mm
• Integrated Protection Features
  • VM Undervoltage Lockout (UVLO)
  • Overcurrent Protection (OCP)
  • Thermal Shutdown (TSD)
  • Automatic Fault Recovery

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Description for the DRV8870

The DRV8870 device is a brushed-DC motor driver forprinters, appliances, industrial equipment, and other small machines. Two logic inputs control theH-bridge driver, which consists of four N-channel MOSFETs that can control motors bidirectionallywith up to 3.6-A peak current. The inputs can be pulse-width modulated (PWM) to control motorspeed, using a choice of current-decay modes. Setting both inputs low enters a low-power sleepmode.

The DRV8870 device features integrated currentregulation, based on the analog input VREF and the voltage on the ISEN pin, which is proportionalto motor current through an external sense resistor. The ability to limit current to a known levelcan significantly reduce the system power requirements and bulk capacitance needed to maintainstable voltage, especially for motor startup and stall conditions.

The device is fully protected from faults and short circuits, including undervoltage(UVLO), overcurrent (OCP), and overtemperature (TSD). When the fault condition is removed, thedevice automatically resumes normal operation.

 

Part Status	Active
Motor Type - Stepper	Unipolar
Motor Type - AC, DC	Brushed DC
Function	Driver - Fully Integrated, Control and Power Stage
Output Configuration	Half Bridge (2)
Interface	PWM
Technology	NMOS
Step Resolution	-
Applications	DC Motors, General Purpose, Stepper Motors
Current - Output	3.6A
Voltage - Supply	0V ~ 5.5V
Voltage - Load	6.5V ~ 45V
Operating Temperature	-40°C ~ 150°C (TJ)
Mounting Type	Surface Mount
Package / Case	8-PowerSOIC (0.154", 3.90mm Width)
Supplier Device Package	8-SO PowerPad

 

 

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