AS8410 View Datasheet(PDF) - austriamicrosystems AG

Part Name

Description

Manufacturer

AS8410

PWM DC Motor Regulator

austriamicrosystems AG 

PWM DC Motor Regulator – Data Sheet

AS8410

VTP < 0.5 *VDD à over temp.

VTP > 0.5 *VDD à no over temp.

Charge pump and 5V Regulator

Cp1

Charge pump capaci- 100 nF … 200 nF The capacitor value is dependent on

Cp2

tors

the external power FET to drive

(Cgate_source)

D1

D2

CVDD

Diodes of the charge

pump

Filter capacitor of the

5V regulator

Vbreak > Vbat + 10 V

Imax > 50 mA

100 nF

CVbat

Filter Capacitor of the

Vbat

1000 µF

The capacitor value is dependent on

the motor power.

Typical value: 1000 µF pro 100 W

motor power in automotive applica-

tion.

Power Switch and Free wheel diode

Df

Free wheel diode

Dependent on the

Tr1

Power FET

max. motor current

and voltage

Austria Mikro Systeme International AG gives all necessary application support to the

user of this PWM DC Motor Regulator device AS8410.

Rev. 1.0, December 2000

page 9 of 19

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