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DRV8231DDAR TI Chips DRV8231 3.7-A Brushed DC Motor Driver with Integrated Current Regulation

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DRV8231DDAR TI Chips DRV8231 3.7-A Brushed DC Motor Driver with Integrated Current Regulation

Brand Name:	TI Chips
Model Number:	DRV8231DDAR
MOQ:	3000
Packaging Details:	3000PCS/reel
Payment Terms:	T/T

Detail Information

Product Description

Detail Information

Place of Origin:

China

Document:

Features:

High Output Current Capability: 3.7-A Peak

Model:

DRV8231DDAR

Product Name:

TI Chips

Operating Power Supply Voltage:

4.5 V To 33 V

Encapsulation:

Applications:

Vacuum Robot

Supply Ability:

1000000

Highlight:

DRV8231DDAR

DRV8231 TI Chips

Current Regulation Motor Driver

Product Description

TI Chips DRV8231DDAR DRV8231 3.7-A Brushed DC Motor Driver with Integrated Current Regulation

Features

• N-channel H-bridge brushed DC motor driver

• 4.5-V to 33-V operating supply voltage range

• Pin-to-pin, RDS(on), voltage, and current sense/

regulation variants (external shunt resistor and

integrated current mirror)

– DRV8870: 6.5-V to 45-V, 565-mΩ, shunt

– DRV8251: 4.5-V to 48-V, 450-mΩ, shunt

– DRV8251A: 4.5-V to 48-V, 450-mΩ, mirror

– DRV8231: 4.5-V to 33-V, 600-mΩ, shunt

– DRV8231A: 4.5-V to 33-V, 600-mΩ, mirror

• High output current capability: 3.7-A Peak

• PWM control interface

• Supports 1.8-V, 3.3-V, and 5-V logic inputs

• Integrated current regulation

• Low-power sleep mode

– <1-µA at VVM = 24-V, TJ = 25°C

• Small package and footprint

– 8-Pin WSON with PowerPAD™, 2.0 × 2.0 mm

– 8-Pin HSOP with PowerPAD™, 4.9 × 6.0 mm

• Integrated protection features

– VM undervoltage lockout (UVLO)

– Auto-retry overcurrent protection (OCP)

– Thermal shutdown (TSD)

Applications

• Printers

• Vacuum robot

• Washer and dryer

• Coffee machine

• POS printer

• Electricity meter

• ATMs (Automated Teller Machines)

• Ventilators

• Surgical equipment

• Electronic hospital bed and bed control

• Fitness machine

Description

The DRV8231 device is an integrated motor driver

with N-channel H-bridge, charge pump, current

regulation, and protection circuitry. The charge

pump improves efficiency by supporting N-channel

MOSFET half bridges and 100% duty cycle driving.

The DRV8231 implements a current regulation feature

by comparing the analog input VREF and the voltage

across a current-sense shunt resistor on the ISEN

pin. The ability to limit current can significantly

reduce large currents during motor startup and stall

conditions.

A low-power sleep mode achieves ultra-low quiescent

current draw by shutting down most of the internal

circuitry. Internal protection features include supply

undervoltage lockout, output overcurrent, and device

overtemperature.

The DRV8231 is part of a family of devices which

come in pin-to-pin, scalable RDS(on) and supply

voltage options to support various loads and supply

rails with minimal design changes. See Section 5 for

information on the devices in this family. View the full

portfolio of brushed motor drivers on ti.com.

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products details

DRV8231DDAR TI Chips DRV8231 3.7-A Brushed DC Motor Driver with Integrated Current Regulation

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