IP9001 datasheet(7/32 Pages) INTERPION

7 / 32 page

IP9001

4-CH MOTOR DRIVE IC FOR PORTABLE CDP

September. 2003 (Rev.0)

- 7 -

www.interpionsemi.com

ELECTRICAL CHARACTERISTICS - - - continued

CHARACTERISTICS

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNIT

[ BTL DRIVE PART ] - - - continued

CH2 mute on voltage

VM2ON

IN2=1.8V

2.0

CH2 mute off voltage

VM2OFF

IN2=1.8V

0.8

CH34 mute on voltage

VM34ON

IN3=IN4=1.8V

0.8

CH34 mute off voltage

VM34OFF

IN3=IN4=1.8V

2.0

VREF all mute on voltage

VREFON

IN1=IN2=IN3=IN4=1.8V

1.2

VREF all mute off voltage

VREFOFF

IN1=IN2=IN3=IN4=1.8V

0.8

[ PWM POWER SUPPLY DRIVE PART ]

PWM sink current

IPWM

IN1=2.1V

PVCC level shift voltage

VSHIF

INI1=1.8V,PVCC-OUT1F

0.35

0.45

0.55

PWM amp transfer gain

GPWM

IN1=1.8V,PVCC=1.2~1.4V

16.7

uA/V

[ DC/DC CONVERTER PART - - - Error AMP ]

VCC1 threshold voltage

VS1TH

3.05

3.20

3.35

EAMPO output

high level voltage

VEOH

EAMPI=0.7V,IO= -100uA

0.9

1.1

EAMPO output

low level voltage

VEOL

EAMPI=1.3V,IO= 100uA

0.3

[ DC/DC CONVERTER PART - - - Short circuit protection ]

SPRT voltage normal

VSPR

EAMPI=1.3V

0.1

SPRT current1

ISPR1

EAMPI=0.7V

SPRT current2

ISPR2

EAMPI=1.3V,OFF=0V

SPRT current3

ISPR3

EAMPI=1.3V,VBAT=9.5V

SPRT impedance

RSPR

175

220

265

K ohm

SPRT threshold voltage

VSCPTH

EAMPI=0.7,CT=470pF

1.10

1.20

1.30

Overvoltage protection

detection voltage

VOVP

OVP VOLTAGE

8.4

9.0

SENS resistance

RSENS

SEL=0V

K ohm

(Ta = 25

OC, VCC1=VCC2=3.2V, VBAT=2.4V, VREF=1.6V,

VCHG=0V, fclk=88.2KHz unless otherwise specified.)

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