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IP9001 4-CH MOTOR DRIVE IC FOR PORTABLE CDP
DESCRIPTIONS
The IP9001 is a monolithic integrated circuit, and suitable for a 4-CH motor driver which drives focus actuator, tracking actuator, sled motor, spindle motor of portable CDP, VCDP systems. And it also provides DC/DC converter, reset, recharge, and short circuit protection.
44QFP1010B
FEATURES
- 4ch BTL(Balanced Transformerless) driver. - Built-in DC/DC converter control circuit. - Built-in reset circuit. - Built-in battery charging circuit. - Built-in short circuit protection. - Built-in normal OP AMP. - Built-in thermal shut down circuit.
ORDER INFORMATION
Device IP9001 Package 44QFP-1010B Operating Temp -35OC ~ +85OC
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IP9001 4-CH MOTOR DRIVE IC FOR PORTABLE CDP
BLOCK DIAGRAM
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IP9001 4-CH MOTOR DRIVE IC FOR PORTABLE CDP
PIN CONNECTIONS
IP9001
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IP9001 4-CH MOTOR DRIVE IC FOR PORTABLE CDP
PIN DESCRIPTIONS
NO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 SYMBOL SENS VBAT RESET DEAD DRV EAMPO EAMPI SPRT CT N/C OPINVCC1 OPOUT OPIN+ VCC2 VREF IN3 IN4 MUTE34 IN2 MUTE2 IN1 I/O I O I O O I I I I O I I I I I I I I DESCRIPTION BATTERY SENSE BATTERY RESET OUTPUT DEAD TIME SETTING TRANSISTOR DRIVE ERROR AMP OUTPUT ERROR AMP INPUT SHORT CIRCUIT PROTECTION SETTING TRIANGULAR WAVE OUTPUT NO CONNECTION OPAMP INPUT (-) POWER SUPPLY1 OPAMP OUTPUT OPAMP INPUT (+) POWER SUPPLY2 REFERENCE VOLTAGE CH3 INPUT CH4 INPUT MUTE FOR CH3, 4 CH2 INPUT MUTE FOR CH2 CH1 INPUT NO 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 SYMBOL BRAKE1 VO4R VO4F VO3R VO3F PGND VO2F VO2R VO1F VO1R RCHG AMUTE EMP PVCC PSW CLK START OFF VCHG SEL SGND PSWR I/O I O O O O O O O O I O O O I I I I I DESCRIPTION BRAKE FOR CH1 CH4 REVERSE OUTPUT CH4 FORWARD OUTPUT CH3 REVERSE OUTPUT CH3 FORWARD OUTPUT POWER GROUND CH2 FORWARD OUTPUT CH2 REVERSE OUTPUT CH1 FORWARD OUTPUT CH1 REVERSE OUTPUT CHARGE CURRENT SETTING RESET INVERTING OUTPUT EMPTY DETECTION OUTPUT H-BRIDGE POWER SUPPLY PWM TRANSISTOR DRIVE EXTERNAL CLOCK INPUT DC/DC CONVERTER START DC/DC CONVERTER OFF CHARGER CIRCUIT POWER SUPPLY EMPTY DETECTION LEVEL SET SIGNAL GROUND PWM ERROR CONPENSATION
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IP9001 4-CH MOTOR DRIVE IC FOR PORTABLE CDP
ABSOLUTE MAXIMUM RATINGS
CHARACTERISTICS SYMBOL SVCC1max SVCC2max Maximum supply voltage HVCCmax CHGVCCmax Power dissipation Operating temperature Storage temperature Maximum output current Pd Topr Tstg Iomax VALUE 13.5 13.5 13.5 13.5 1 *(Note) -35 ~ +85 -55 ~ 150 0.5 UNIT V V V V W
O
C C
O
A
Note> 1. When mounted on 50mm X 50mm X 1mm PCB (Phenolic resin material). 2. Power dissipation reduces 8 mW/OC for using above Ta=25OC 3. Do not exceed Pd and SOA.
POWER DISSIPATION CURVE
Power Dissipation (W) 1.5 1 0.5
SOA
0
25
50
75
100
125
150
175
Ambient Temperature (C)
RECOMMENDED OPERATING CONDITIONS
CHARACTERISTICS SYMBOL VBAT VCC1 Operating supply voltage VCC2 PVCC VCHG Ambient temperature September. 2003 (Rev.0) Ta VALUE 1.5 ~ 8.0 2.7 ~ 5.5 2.7 ~ 5.5 ~ VBAT 3.0 ~ 8.0 -10OC ~ +70OC -5UNIT V V V V V
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IP9001 4-CH MOTOR DRIVE IC FOR PORTABLE CDP
ELECTRICAL CHARACTERISTICS
(Ta = 25OC, VCC1=VCC2=3.2V, VBAT=2.4V, VREF=1.6V, VCHG=0V, fclk=88.2KHz unless otherwise specified.) CHARACTERISTICS VBAT standby current VBAT no-load power supply current VCC1 no-load power supply current VCC2 no-load power supply current VCHG no-load power supply current [ BTL DRIVE PART ] CH1,3,4 Closed-loop voltage gain CH2 Closed-loop voltage gain Voltage gain difference CH1,3,4 input resistance CH2 input resistance Maximum output voltage CH1,3,4 output offset voltage CH2 output offset voltage Dead band width CH1 brake on voltage CH1 brake off voltage BRAKE 1 VBAT current GV134 GV2 GVC RI134 IN=1.7v & 1.8v RI2 VOM VOO134 VREF=IN=1.6V VOO2 VDB VBRKON IN1=1.8V VBRKOFF IN1=1.8V IBRKBAT -130 -10 2.0 4 0 0 7 130 10 0.8 10 V V mA mV RL=8ohm, VCC1=VCC2=3.8V,PVCC=2.9V ,VREF=1.9V,IN=0 & 3.8V 2.1 7.5 2.4 V 12 21.5 -2 14 23.5 0 11 16 24.5 2 K ohm DB SYMBOL IST IBAT ICC1 ICC2 IVCHG CONDITIONS VBAT=9V,VCC1,2=VREF=0V PVCC=0.45V,MUTE34=3.2V PVCC=0.45V,MUTE34=3.2V,E RRI=0V PVCC=0.45V,MUTE34=3.2V VCHG=4.5V, ROUT=OPEN MIN TYP 0 MAX 3 4.5 6.5 5.5 2.0 UNIT uA mA mA mA mA
-50
0
50
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IP9001 4-CH MOTOR DRIVE IC FOR PORTABLE CDP
ELECTRICAL CHARACTERISTICS - - - continued
(Ta = 25OC, VCC1=VCC2=3.2V, VBAT=2.4V, VREF=1.6V, VCHG=0V, fclk=88.2KHz unless otherwise specified.) CHARACTERISTICS SYMBOL CONDITIONS MIN TYP MAX UNIT
[ BTL DRIVE PART ] - - - continued CH2 mute on voltage CH2 mute off voltage CH34 mute on voltage CH34 mute off voltage VREF all mute on voltage VREF all mute off voltage VM2ON VM2OFF VM34ON VM34OFF VREFON VREFOFF IN2=1.8V IN2=1.8V IN3=IN4=1.8V IN3=IN4=1.8V IN1=IN2=IN3=IN4=1.8V IN1=IN2=IN3=IN4=1.8V 2.0 2.0 1.2 0.8 0.8 0.8 V
[ PWM POWER SUPPLY DRIVE PART ] PWM sink current PVCC level shift voltage PWM amp transfer gain IPWM VSHIF GPWM IN1=2.1V INI1=1.8V,PVCC-OUT1F IN1=1.8V,PVCC=1.2~1.4V 10 0.35 16.7 13 0.45 20 17 0.55 25 mA V uA/V
[ DC/DC CONVERTER PART - - - Error AMP ] VCC1 threshold voltage EAMPO output high level voltage EAMPO output low level voltage VS1TH VEOH VEOL EAMPI=0.7V,IO= -100uA EAMPI=1.3V,IO= 100uA 3.05 0.9 3.20 1.1 3.35 0.3 V
[ DC/DC CONVERTER PART - - - Short circuit protection ] SPRT voltage normal SPRT current1 SPRT current2 SPRT current3 SPRT impedance SPRT threshold voltage Overvoltage protection detection voltage SENS resistance VSPR ISPR1 ISPR2 ISPR3 RSPR VSCPTH VOVP RSENS EAMPI=1.3V EAMPI=0.7V EAMPI=1.3V,OFF=0V EAMPI=1.3V,VBAT=9.5V EAMPI=0.7,CT=470pF OVP VOLTAGE SEL=0V 6 12 12 175 1.10 8 17 0 10 20 20 220 1.20 8.4 24 0.1 16 32 32 265 1.30 9.0 30 V uA uA uA K ohm V V K ohm
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IP9001 4-CH MOTOR DRIVE IC FOR PORTABLE CDP
ELECTRICAL CHARACTERISTICS - - - continued
(Ta = 25OC, VCC1=VCC2=3.2V, VBAT=2.4V, VREF=1.6V, VCHG=0V, fclk=88.2KHz unless otherwise specified.)
CHARACTERISTICS
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNIT
[ DC/DC CONVERTER PART - - - Transistor drive ] DRV output high level voltage1 DRV output high level voltage2 DRV output low level voltage2 DRV oscillator frequency1 DRV oscillator frequency2 DRV oscillator frequency3 DRV oscillator minimum pulse width Pulse duty at start Maximum duty at free run Maximum duty with synchronized clock VDRHS VDRH VDRL fDR1 fDR2 fDR3 TMIN DDR1 DDR2 DDR3 VBAT=CT=1.5V VCC1=VCC2=0V, IO=-2mA at start CT=0V,ERRI=0.7V, IO=-10mA ,SCP=0V CT=2V,IO=10mA CT=470pF, VCC1=VCC2=OV, at start CT=470pF,CLK=0V CT=470pF, CT=470pF, EAMPO=0.7 ~ 0.5 sweep CT=470pF, VCC1=VCC2=OV EAMPI=0.7V,CT=470pF,CL K=0V EAMPI=0.7V,CT=470pF 0.78 0.98 1.13 V
1.0 -
1.50 0.3
0.45
65 60 0.01 40 70 65
80 70 88.2 50 80 75
95 82 0.6 60 90 85 % usec KHz
[ DC/DC CONVERTER PART - - - Interface ] OFF threshold voltage OFF bias current START on voltage START off voltage START bias current CLK on voltage CLK off voltage CLK bias current VSTPTH ISTP VSTRTON VSTRTOFF IBSTRT VCLKON VCLKOFF ICLK CLK=3.2V EAMPI=1.3V OFF=0V VCC1=VCC2=0V, CT=2V VCC1=VCC2=0V, CT=2V START=0V 75 2.1 2.0 95 16 1.2 115 1.4 0.8 10 V uA V V uA V V uA
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IP9001 4-CH MOTOR DRIVE IC FOR PORTABLE CDP
ELECTRICAL CHARACTERISTICS - - - continued
(Ta = 25OC, VCC1=VCC2=3.2V, VBAT=2.4V, VREF=1.6V, VCHG=0V, fclk=88.2KHz unless otherwise specified.)
CHARACTERISTICS
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNIT
[ DC/DC CONVERTER PART - - - Dead time ] DEAD impedance DEAD output voltage RDEAD VDEAD 52 0.78 65 0.88 78 0.98 K ohm V
[ DC/DC CONVERTER PART - - - Start ] Start switching voltage Start switching hysteresis voltage Discharge release voltage [ EMPTY DETECT ION PART ] Empty detect voltage1 Empty detect hysteresis1 Empty detect voltage2 Empty detect hysteresis2 Empty output voltage SEL detect voltage SEL detect current VEMPT1 VEMPHS1 VEMPT2 VEMPHS2 VEMP VSELTH ISEL VSEL=0V VSEL=0V ISEL=-2uA ISEL=-2uA IO=1mA, SENS=1V VSELTH=VBAT-SEL, SENS=2V 2.1 25 1.7 25 1.5 -2 2.2 50 1.8 50 2.3 100 1.9 100 0.5 V mV V mV V V uA VSSV VSSHS VDIS VCC1=VCC2=0V~3V sweep, START=0V START=0V 2.3 130 1.63 2.5 200 1.83 2.7 300 2.03 V mV V
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IP9001 4-CH MOTOR DRIVE IC FOR PORTABLE CDP
ELECTRICAL CHARACTERISTICS - - - continued
(Ta = 25OC, VCC1=VCC2=3.2V, VBAT=2.4V, VREF=1.6V, VCHG=0V, fclk=88.2KHz unless otherwise specified.)
CHARACTERISTICS [ RESET PART ] VCC1 reset threshold voltage ratio RESET detect hysteresis width RESET output voltage RESET pull-up resistance AMUTE output voltage1
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNIT
RRSTOTH VRSTHS VRST RRST VAMO1 VAMO2 RAMU
Ratio to error amplifier threshold voltage IO=1mA,SVCC1=SVCC2=2. 8V IO=1mA,SVCC1=SVCC2=2. 8V IO=1mA,SVCC1=SVCC2=2. 8V, START=0V -
85 25 72 2.0
90 50 90 -
95 100 0.5 108 2.4
% mV V K ohm
V 2.0 2.4
AMUTET output voltage2 AMUTE pull-down resistance [ OP-AMP ] Input bias current Input offset voltage High level output voltage Low level output voltage Output source current Output sink current Open loop voltage gain Slew rate
77
95
113
K ohm
IBIAS VOFOP VOHOP VOLOP ISRC ISNK GVO SR
OPIN+=1.6V OPIN+=1.6V RL=OPEN RL=OPEN 50ohm, GND 50ohm, SVCC VIN=-75dB, f=1KHz -
-5.5 2.8 3 -
0 -6.5 6 70 0.5
300 5.5 -
nA mV
V 0.2 -3.0 mA dB V/uS
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IP9001 4-CH MOTOR DRIVE IC FOR PORTABLE CDP
ELECTRICAL CHARACTERISTICS - - - continued
(Ta = 25OC, VCC1=VCC2=3.2V, VBAT=2.4V, VREF=1.6V, VCHG=0V, fclk=88.2KHz unless otherwise specified.)
CHARACTERISTICS
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNIT
[ BATTERY CHARGING PART ] RCHG bias voltage RCHG output resistance SEL leakage current1 SEL leakage current2 SEL saturation voltage VRCHG RRCHG ISELLEAK1 ISELLEAK2 VSELSAT VCHG=4.5V, RCHG=1.8K ohm VCHG=4.5V, RCHG=0.5 and 0.6V VCHG=4.5V, RCHG=OPEN VCHG=0.6V, RCHG=1.8K ohm VCHG=4.5V, IO=300mA, RCHG=0 ohm 0.71 0.75 0.81 0.95 0.45 0.91 1.20 1.0 uA 1.0 1.0 V V K ohm
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IP9001 4-CH MOTOR DRIVE IC FOR PORTABLE CDP
APPLICATION SUMMARY
1. BTL driver
- Mute function using the MUTE and BRAKE pin (Channel mute) Mute function for each channels can be obtained using the MUTE pin (pin19,pin21) and BRAKE pin (pin23). * When the voltage of the pin19 becomes low , the bias currents for CH3,CH4 are shut down and those corresponding channels are muted. On the contrary, when the voltage of the pin19 becomes high, the channel drivers operate normally. * When the voltage of the pin21,23 become high , the bias currents for CH1,CH2 are shut down and those corresponding channels are muted. On the contrary, when the voltage of the pin21,23 become low, the channel drivers operate normally.
MUTE34(pin19) HIGH LOW CH3,CH4 normal operation CH3,CH4 shut down
MUTE2(pin21) CH2 shut down CH2 normal operation
BRAKE1(pin23) CH1 shut down CH1 normal operation
Table1. Channel mute & brake - All mute function using the REF pin (Reference all mute) Muting all channel drivers can be obtained using the REF (signal reference) pin. * When the input voltage of the signal reference pin (pin16) is below 1.0V, the bias currents of all channel drivers are shut down. VREF(Pin16) Above 1.0V Below 1.0V CH1,CH2,CH3,CH4 normal operation CH1,CH2,CH3,CH4 shut down Table2. Reference all mute - Thermal shutdown (TSD) The IP9001 has a thermal protection. If the chip temperature rises above 175OC, then the main bias current will be shut down by the protection circuit. The hysteresis temperature is 25OC
Temperature Above 175 OC Falls below 150 C Hysteresis
O
All channel mute on off 25 OC
Table3. Thermal shut down September. 2003 (Rev.0)
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IP9001 4-CH MOTOR DRIVE IC FOR PORTABLE CDP
APPLICATION SUMMARY (Continued)
- Voltage gain of each channel 4-CH input resistances are as follows, CH1, CH3, CH4 : 11K ohm CH2 : 7.5K ohm So, the voltage gain is calculated as following equation.
GV 134 = 20 log | GV 2 = 20 log |
55 K | R + 11K
110 K | R + 7.5 K
* R is an external resistor which is connected to input pins (pin17,18,20,22) - Power supply voltage IP9001 has two kinds of power supply pins. One is power supply for output stage(pin36), the others are signal power supply for pre driver(pin12, pin15). All power supply pins should be attached by-pass capacitor with each other.
2. DC/DC converter
- Output voltage IP9001 has internal buck/boost control circuit and the output voltage is calculated as follows,
R1 x R 3 V C C 1 = V ref x (1 + R 1 + R 3 ) R2x R4 R2 + R4
* vref =1.2V * R1 : External resistor * R2 : External resistor * R3 : 35K ohm * R4 : 21K ohm If there is no external resistor, Then default VCC1 value is as follows,
VCC1default = Vref x (1 +
Figure1. output voltage set up method
R3 35 K ) = 1.2 x (1 + ) = 3.2V R4 21K
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IP9001 4-CH MOTOR DRIVE IC FOR PORTABLE CDP
APPLICATION SUMMARY (Continued)
- Short circuit protection When the output voltage of error amp holds "H" status, then IP9001 starts charging to "CSPRT" with constant current "ISPRT". If the voltage of the CSPRT rises above 1.2V, then the DC/DC converter circuit is disabled. Disable time is dependent on the external capacitor "CSPRT" , Threshold voltage "VTH", and internal constant current source "ISPRT".
t = CSPRT x
VTH (sec ) IS P R T
* VTH=1.2V, ISPRT=10uA - Soft start circuit IP9001 accomplishes soft-start-function by attaching external capacitor between DEAD pin and GND. Maximum duty can be changed by adding external resistor to DEAD pin (pin 4).
t = CDEAD x ( R int + Re xt )(sec)
* Rint=65K ohm, Rext=external resistor - Power off function When the input voltage of OFF(pin40) is low, then IP9001 starts charging to "CSPRT" with constant current "IOFF". If the voltage of the CSPRT rises above 1.2V, then the DC/DC converter circuit is disabled. Disable time is dependent on the external capacitor "CSPRT" , Threshold voltage "VTH", and internal constant current source "IOFF".
t = CSPRT x
VTH (sec ) IO F F
* VTH=1.2V, IOFF=20uA - Over voltage protection When the sensing voltage of SENS(pin1) is above 8.4V, then IP9001 starts charging to "CSPRT" with constant current "IHV". If the voltage of the CSPRT rises above 1.2V, then the DC/DC converter circuit is disabled. Disable time is dependent on the external capacitor "CSPRT" , Threshold voltage "VTH", and internal constant current source "IHV".
t = C SPRT x
VTH (sec) IH V
* VTH=1.2V, IOFF=20uA
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IP9001 4-CH MOTOR DRIVE IC FOR PORTABLE CDP
APPLICATION SUMMARY (Continued)
3. PWM power supply driving circuit
Power supply driving circuit detects a maximum output voltage among the 4-CH output pins, and then control external PNP TR to reduce the power consumption. This buck converter consists of external PNP TR, Schottky barrier diode, Inductor, and capacitors.
Figure2. PWM power supply driving circuit
4. Empty detector circuit
When the sensing voltage of SENS(pin1) falls below detecting voltage, then EMP(pin35) goes from High level to low level. The detector voltage has 50mV hysteresis. According to the SEL(pin42) voltage level, the detector voltage varies as following table,
SEL LOW High-impedance
Detector voltage 2.2V typ 1.8V typ Table4. EMP detector voltage
Return voltage 2.25V typ 1.85V typ
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IP9001 4-CH MOTOR DRIVE IC FOR PORTABLE CDP
APPLICATION SUMMARY (Continued)
5. Reset circuit
When the output voltage of the DC/DC converter reaches 90% of the VCC1, then RESET goes from LOW to HIGH level and AMUTE goes from HIGH to LOW level. Hysteresis voltage of each pin is 50mV
Figure3. RESET & AMUTE
6. Charging circuit
IP9001 has a charging circuit and it is independent from any other circuit. Its power supply pin is CHGVCC which is directly connected to adapter. Battery charging current is controlled by changing RCHG (between RCHG(pin33) and GND). It also has an independent TSD circuit which has shut down temperature of 175OC and the hysteresis temperature is 25OC
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IP9001 4-CH MOTOR DRIVE IC FOR PORTABLE CDP
TEST CIRCUIT
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IP9001 4-CH MOTOR DRIVE IC FOR PORTABLE CDP
TEST CIRCUIT (Continued)
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IP9001 4-CH MOTOR DRIVE IC FOR PORTABLE CDP
TEST CIRCUIT (Continued)
IAMU
RCHG
DO1R
DO2R
DO3R
DO4R
BREAK1
DO1F
DO2F
DO3F
PGND
DO4F
VAMUS
A V
AB V
EAMPO
EAMPI
RESET
DEAD
VBAT
SENS
SPRT
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OPIN-
DRV
N.C
CT
VCC1
VCC2 VSELS AB
IAMUS VEMPS VCC1 IEMPS V EMPR VCLK ISELS
AMU
SW5
IEMP
A
A BC SW6 51k AB SW7 AB SW8 SW9
V V
VEMP
V
VSEL
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IP9001 4-CH MOTOR DRIVE IC FOR PORTABLE CDP
TYPICAL APPLICATION CIRCUIT
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IP9001 4-CH MOTOR DRIVE IC FOR PORTABLE CDP
INTERNAL CIRCUIT
Pin no Pin name Internal circuit
1
SENS
3
RESET
34
DEAD
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IP9001 4-CH MOTOR DRIVE IC FOR PORTABLE CDP
INTERNAL CIRCUIT (Continued)
Pin no Pin name Internal circuit
5
DRV
6
EAMPO
7
EAMPI
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IP9001 4-CH MOTOR DRIVE IC FOR PORTABLE CDP
INTERNAL CIRCUIT (Continued)
Pin no Pin name Internal circuit
8
SPRT
9
CT
11,14
OPIN-, OPIN+
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IP9001 4-CH MOTOR DRIVE IC FOR PORTABLE CDP
INTERNAL CIRCUIT (Continued)
Pin no Pin name Internal circuit
13
OPOUT
16
VREF
17, 18, 20, 22
IN3, IN4, IN2, IN1
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IP9001 4-CH MOTOR DRIVE IC FOR PORTABLE CDP
INTERNAL CIRCUIT (Continued)
Pin no Pin name Internal circuit
19
MUTE34
21, 23
MUTE2, BRAKE1
24, 25, 26, 27, 29, 30, 31, 32
DO4R, DO4F, DO3R, DO3F, DO2F, DO2R, DO1F, DO1R
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IP9001 4-CH MOTOR DRIVE IC FOR PORTABLE CDP
INTERNAL CIRCUIT (Continued)
Pin no Pin name Internal circuit
33
RCHG
34
AMUTE
35
EMP
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IP9001 4-CH MOTOR DRIVE IC FOR PORTABLE CDP
INTERNAL CIRCUIT (Continued)
Pin no Pin name Internal circuit
37
PSW
38
38
CLK
39
START
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IP9001 4-CH MOTOR DRIVE IC FOR PORTABLE CDP
INTERNAL CIRCUIT (Continued)
Pin no Pin name Internal circuit
40
OFF
42
SEL
44
PSWR
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IP9001 4-CH MOTOR DRIVE IC FOR PORTABLE CDP
ELECTRICAL CHARACTERISTICS CURVES
IBAT(mA)
5.0
IBAT vs VBAT
4.5
4.0
3.5
3.0
2.5
VBAT=Sweep VCC1=VCC2=3.2V PVCC=0.45V VCHG=4.5V Vref=1.6V Mute34=High Mute2=Brake1=Low RL=open
1 2 3 4 5 6 7 8
2.0
VBAT (V)
ICC1+ICC2(mA)
10
ICC vs VCC
9
8
7
6
5
4
VCC1=VCC2=Sweep Vbat=2.4V PVCC=0.45V VCHG=0V Vref=1.6V MUTE34=High Mute2=Brake1=Low RL=open
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
3
VCC1=VCC2 (V)
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IP9001 4-CH MOTOR DRIVE IC FOR PORTABLE CDP
ELECTRICAL CHARACTERISTICS CURVES (Continued)
ICHG(mA)
2.0
ICHG vs VCHG
1.5
1.0
0.5
VCHG=Sweep VCC1=VCC2=VBAT=0V PVCC=Vref=0V
0.0 3 4 5 6 7 8
VCHG (V)
Vsat(mV)
600
Vsat vs Io
500
400
300
200
100
Io=Sweep VCC1=VCC2=3.2V Vbat=2.4V PVCC=3.2V Vref=1.6V Vin=3.2V MUTE34=High Mute2=Brake1=Low
0 0 100 200 300 400 500 600
Io (mA)
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IP9001 4-CH MOTOR DRIVE IC FOR PORTABLE CDP
ELECTRICAL CHARACTERISTICS CURVES (Continued)
IBAT (m A)
5
IBAT vs Tem perature
4
3
2
1
Tem perature=Sweep VBAT=2.4V VC C1=VCC2=3.2V PVC C=3.2V Vref=1.6V Mute34=High Mute2=Brake1=Low RL=open
0 -40 -20 0 20 40 60 80
Tem perature
5
IC C 1 (m A) IC C 2 (m A)
IC C vs T em perature
4
IC C 2
3
IC C 1
2
1
T em perature=Sweep VB AT=2.4V VC C 1=V C C 2=3.2V PV C C =3.2V Vref=1.6V Mute34=High M u te2=B rake1=Low R L =open
40 60 80
0 -40 -20 0 20
T em perature
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IP9001 4-CH MOTOR DRIVE IC FOR PORTABLE CDP
PACKAGE DIMENSION
Dim ension : Milim eters
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Price & Availability of IP9001

	To Download IP9001 Datasheet File
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