ZXBM1017_07 datasheet(2/10 Pages) ZETEX

Part #	ZXBM1017

Description	VARIABLE SPEED SINGLE- PHASE BLDC MOTOR CONTROLLER

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Manufacturer	ZETEX [Zetex Semiconductors]

Direct Link	http://www.diodes.com/

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2 / 10 page

1) Maximum allowable Power Dissipation, PD, is

shown plotted against Ambient Temperature,TA,

in the accompanying Power Derating Curve,

indicating the Safe Operating Area for the device.

2) Power consumed by the device, PT, can be

calculated from the equation:

PT = PQ + PPhHi + PPhLo + PTR + PHB + PFGRD

where

PQ is power dissipated under quiescent

current conditions, given by:

PQ = VCC x ICC

where Vcc is the maximum application

device Supply Voltage

and Icc is the maximum Supply Current

given in the Electrical Characteristics

and

PPhHi is power generated due to either one

of the phase outputs Ph1Hi or Ph2Hi being

active, given by:

PPhHi = IOL x VOL

where IOL is the maximum application

Ph1Hi and Ph2Hi output currents

and VOL is the maximum Low Level Output

Voltage for the Ph1Hi and Ph2Hi outputs

given in the Electrical Characteristics

and

PPhLo is power generated due to either one

of the phase outputs Ph1Lo or Ph2Lo being

active, given by:

PPhLo = IOH x (VCC - VOH)

where IOH is the maximum application

Ph1Lo and Ph2Lo output currents

and VCC is the maximum application device

Supply Voltage

and VOH is the minimum High Level Output

Voltage for the Ph1Lo and Ph2Lo outputs

given in the Electrical Characteristics.

and

PTR is power generated due to the Network

Reference source current, given by:

PTR = IOThRef x (VCC - VThRef)

where IOThRef is the maximum application

ThRef output current

and VCC is the maximum application device

Supply Voltage

and VThRef is the Network Reference

voltage

and

PHB is power generated due to the Hall Bias

source current, given by:

PHB = IHB x (VCC - VHB)

where IHB is the maximum application Hall

Bias output current

and VHB is the Hall Bias voltage

and

PFGRD is power generated due to either or

both the Frequency Generator and Locked

Rotor Detect outputs being active, given by:

PFGRD = IOL x VOL

where IOL is the maximum application FG

or RD output current

and VOL is the FG or RD Low Level Output

Voltage

ZXBM1017

ISSUE 4 - MAY 2007

2

Parameter

Symbol

Limits

Unit

Supply Voltage

VCCmax

-0.6 to 20

V

Input Current

ICCmax

200

mA

Maximum Input Voltage

VImax

-0.6 to Vcc+0.5

V

Maximum Output Voltage

VOmax

-0.6 to Vcc+0.5

V

Power Dissipation

PDmax

800

mW

Operating Temp.

TOPR

-40 to 110

°C

Storage Temp.

TSTG

-55 to 150

°C

Absolute Maximum Ratings

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