DRV8307

FETs

(External)

M

HALL

Clock for PWM

Direction

Brake

Enable

+5 V or VM

VM (+8.5 to 32 V)

FAULT

HALLOUT

VM (+8.5 to 32 V)

Product

Folder

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DRV8307

SLVSCK2 – APRIL 2014

DRV8307 Brushless DC Motor Controller

1 Features

3 Description

The DRV8307 is a three half-bridge pre-driver that

1

•

Three-Phase Brushless DC Motor Controller

drives six N-type MOSFETs 30 mA with a single

–

PWM Input for Speed Control

power

supply.

Aimed

at

sensored

three-phase

•

Operating Supply Voltage 8.5 to 32 V

brushless DC motors, the DRV8307 is driven by a

single

PWM

input

and

supports

integrated

•

30-mA Gate-Drive Current to 6 N-Channel

commutation logic with three Hall sensor inputs. A

MOSFETs

separate 5-V regulator is also included to be used to

•

Integrated Current Sense Amplifier

power

Hall-effect

sensors

and

other

external

•

5-V Regulator for Hall Sensors

components.

•

Low-Power Standby Mode

The DRV8307 includes a current sense input for

•

Locked Rotor Detection and Restart

current limiting and protection. The current limit can

•

Integrated Overcurrent and Overtemperature

resistor.

Protection

Motor operation (start and stop) is controlled through

•

6- × 6-mm VQFN Package, 0.5-mm Pitch

the ENABLEn terminal. If the ENABLEn terminal is

set high and motor rotation has stopped, the device

2 Applications

enters into a low-power standby state, thereby

•

Industrial Pumps and Fans

conserving overall system power during periods of

•

White Goods

inactivity.

•

Robotic Appliances

Protection features are also included in the DRV8307

device such as locked rotor detection, as well as

overcurrent

and

overtemperature

protection

and

undervoltage

lockout

to

bolster

overall

system

robustness and reliability.

Device Information

ORDER NUMBER

PACKAGE

BODY SIZE

DRV8307RHA

VQFN (40)

6 mm × 6 mm

4 Simplified Schematic

1

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.