4-Channel Motor Driver 1-phase, full-wave, linear motor driver Ou

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4-Channel Motor Driver 1-phase, full-wave, linear motor driver Ou

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KA9258D
4-Channel Motor Driver
1-phase, full-wave, linear motor driver Output gain adjustable Built OP-amp Built mute function Built level shift circuit Built thermal shutdown circuit (TSD) Operating range 6~13.2V
Description
KA9258D monolithic integrated circuit, suitable 4-CH motor driver which drives tracking actuator, focus actuator, sled motor loading motor CD/CD-ROM/ system, also drive spindle motor system.
28-SSOPH-375
Typical Applications
Compact disk player (CDP) Video compact disk player (VCD) Automotive compact disk player Other compact disk media
Ordering Information
Device KA9258BD Package 28-SSOPH-375 Operating Temp. -40°C +85°C -40°C +85°C
KA9258BDTF 28-SSOPH-375
Rev. 1.0.1 February. 2000.
©2000 Fairchild Semiconductor International
KA9258D
DI4.2 DI4.1
DO1.1
GND3
Assignments
DO1.2
DO4.2
DI1.1
DO4.2
DI1.2
VREF
MUTE
VCC2
(GND)
KA9258D
GND1
DO2.1
DO2.2
GND2
OPOUT
(GND)
DI2.2 DI2.1
VCC1
DI3.2
DI3.1
DO3.2
DO3.1
OPIN OPIN
KA9258D
Definitions
Number Name DO1.1 DO1.2 DI1.1 DI1.2 MUTE GND1 DI2.1 DI2.2 DO2.1 DO2.2 GND2 OPOUT OPIN(-) OPIN(+) DO3.1 DO3.2 DI3.1 DI3.2 VCC1 VCC2 VREF DI4.1 DI4.2 DO4.1 DO4.2 GND3 Drive output Drive output Drive input Drive input Regulator Regulator output Mute Ground Drive input Drive input Drive output Drive output Ground Op-amp output Op-amp input Op-amp input Drive output Drive output Drive input Drive input Supply voltage Supply voltage 2.5V bias voltage Drive input Drive input Drive output Drive output Ground Function Description
KA9258D
Internal Block Diagram
OPIN DO4.2 DO4.1 DO3.2 DO3.1 GND3 VREF VCC2 VCC1 DI4.2 DI4.1 DI3.2 DI3.1 OPIN(+) OPOUT
Level shift
Level shift
Regulator Level shift DO1.1 DO1.2 DI1.1 DI1.2 MUTE GND1 DI2.1 Mute DI2.2 DO2.1
DO2.2
GND2
Level shift
KA9258D
Equivalent Circuits
Driver input Driver output
2.5V
11.8k
0.58k VREF1
Regulator
Regulator output
Mute input
Bias input
100k
KA9258D
Equivalent Circuits (Continued)
output input
4.8k
4.8k
Absolute Maximum Ratings 25°C)
Parameter Supply voltage Power dissipation Operating temperature Storage temperature Maximum output current Symbol TOPR TSTG IOMAX Value 1.7note +150 Unit
Notes When mounted 76.2mm 114mm 1.57mm (Phenolic resin material). Power dissipation reduces 13.6mW using above Ta=25°C exceed (Safe Operating Area).
Power Dissipation Curve
(mW) 3,000 2,000
1,000 Ambient temperature, [°C]
Recommended Operating Condition 25°C)
Parameter Operating supply voltage Symbol VOPR Value 13.2 Unit
KA9258D
Electrical Characteristics 25°C)
Regulator
Parameter Regulator output voltage Load regulation Line regulation Symbol VREG Conditions IL=100mA IL=0 200mA IL=200mA, VCC=6 Min. 4.75 -40.0 -10.0 Typ. Max. 5.25 10.0 20.0 Units
Drive
Parameter Quiescent circuit current Input offset voltage Output offset voltage Maximum sink current Maximum source current Maximum output voltage Closed loop voltage gain Ripple rejection ratio Slew rate Symbol ICCQ ISINK ISOURCE VI=0 RL=4, RL=4, VI=2VRMS, 1kHz VI=0.1VRMS, 1kHz VI=-20dB, 120Hz 100Hz, Square wave Conditions Min. -5.0 60.0 Typ. 80.0 Max. 13.5 Units
Parameter Input offset voltage Input bias current High level output voltage level output voltage Output sink current Output source current Open loop voltage gain Ripple rejection ratio Slew Rate Common mode rejection ratio Symbol VOF1 VOH1 VOL1 ISINK1 ISOURCE1 GVO1 CMRR1 Conditions RL=50, RL=50, VIN=-75dB, f=1kHz VIN=-20dB, f=120kHz Square, VOUT=2Vp-p, f=120kHz VIN=-20dB, f=1kHz Min. Typ. Max. Units
KA9258D
Application Information
MUTE
High Open
Mute circuit Turn-off Turn-on Turn-on
Output driver bias
When mute open voltage mute below 0.5V, mute circuit activated that output circuit will muted. When voltage mute above mute circuit disabled output circuit operates normal. chip temperature rises above 175°C, then (Thermal Shutdown) circuit activated output circuit muted.
(THERMAL SHUTDOWN)
VREF Output driver bias
VREF output voltage band-gap-referenced biasing circuit acts input voltage circuit. base-emitter voltage designed turn-on below voltage. VREF (R11 R12) 460mV When chip temperature rises 175°C, then turn-on voltage would drop down 460mV. (Hysteresis: 25°C) Hence, would turn output circuit will muted.
KA9258D
OP-AMP OP-amp integrated user's convenience.
AMP-I(+) -I(-)
AMP-O
DRIVER
VREF (2.5V) 100k
Level shift
Buffer
Buffer
voltage, VREF, reference voltage given bias voltage #23. input signal through amplified 10k/10k times then level shift. level shift produces current difference between input signal arbitrary reference signal. current produced into driver buffer. Driver Buffer operates power output stage according state input signal. output stage driver motor rotating forward direction operating other hand, operating, motor rotating reverse direction When input voltage through below VREF, then direction motor forward direction. When input voltage through above VREF, then direction motor reverse direction. desired change gain, then used. Connect by-pass capacitor, 0.1µF between supply voltage source.
VCC1 VCC2
Radiation connecting internal package. Connect external GND.
KA9258D
Typical Performance Characteristics
13.5 11.5
Imute [mA] [mA]
Imute
pin23=2.5
Vreg
5.25 5.15 5.05 4.95 4.85 4.75
Isink
1300 1100 Isink [mA] pin23=2.5
Vreg
pin23=2.5 RL=4
Vreg
1400 1200 Isource [mA] 1000
Isink
[dB]
pin23=2.5 RL=4
pin23=2.5 Vin=0.1Vrms f=1kHz RL=8
KA9258D
Typical Performance Characteristics (Continued)
Temp
13.5 11.5 pin23=2.5 Temp [°C] Iccm [mA] [mA] Temp [°C] Vcc=13 Vpin23=2.5
Temp Iccm
Temp Vreg
5.25 5.15
Temp Isource
1500 1400 Isource [mA] 1300 1200 1100
Vcc=13 pin23=2.5 RL=4 Temp [°C]
Vreg
5.05 4.95 4.85 4.75
1000
Temp [°C]
Temp Isink
1300 1250 1200 Isink [mA] 1150 1100 1050 1000 Vcc=13V Temp=vari pin23=2.5
Temp [°C]
KA9258D
Test Circuits
470µF SW17 SW16 OPIN(+) GND2 DO3.1 DO2.2 SW10 DO3.2 DO2.1 10µF DI3.1 DI3.2 VCC1
DI2.2 DI2.1
10µF PC-V 1000µF Open Short
SW15 SW14
OPIN(-) OPOUT
10µF
MUTE
VCC2 Vref DI4.1 10µF DI4.2 DO4.1 SW13
MUTE
100µF
2.5V
KS8772 10µF
VREF
DI1.2 DI1.1
DO4.2 DO1.2 GND3 SW11
DO1.1
SW12
KA9258D
Application Circuits
OPIN(-) OPIN(+) DO3.1 SLED MOTOR SPINDLE SERVO SLED BIAS VCC2 TRACKING FOCUS TRACKING ACTUATOR Vref DI4.1 DI4.2 DO4.1 DO4.2 GND3 DO3.2 DI3.1 DI3.2 VCC1
OPOUT GND2 DO2.2 DO2.1 DI2.2 SPINDLE MOTOR
DI2.1 MUTE OFF: HIGH REG.OUT VREF DI1.2 DI1.1 DO1.2 DO1.1 FOCUS ACTUATOR
MUTE
Thermal Shut Down Circuit
breaks down over heating when overload condition continues long time. KA9258D built-in thermal shut down circuit prevent this case. When temperature rises over 175°C, circuit operates protects from breakdown.
KA9258D
DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES RIGHT MAKE CHANGES WITHOUT FURTHER NOTICE PRODUCTS HEREIN IMPROVE RELIABILITY, FUNCTION DESIGN. FAIRCHILD DOES ASSUME LIABILITY ARISING APPLICATION PRODUCT CIRCUIT DESCRIBED HEREIN; NEITHER DOES CONVEY LICENSE UNDER PATENT RIGHTS, RIGHTS OTHERS. LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS AUTHORIZED CRITICAL COMPONENTS LIFE SUPPORT DEVICES SYSTEMS WITHOUT EXPRESS WRITTEN APPROVAL PRESIDENT FAIRCHILD SEMICONDUCTOR INTERNATIONAL. used herein: Life support devices systems devices systems which, intended surgical implant into body, support sustain life, whose failure perform when properly used accordance with instructions provided labeling, reasonably expected result significant injury user.
www.fairchildsemi.com 12/1/00 0.0m Stock#DSxxxxxxxx 2000 Fairchild Semiconductor International
critical component component life support device system whose failure perform reasonably expected cause failure life support device system, affect safety effectiveness.
KA9258D
4-Channel Motor Driver
1-phase, full-wave, linear motor driver Output gain adjustable Built OP-amp Built mute function Built level shift circuit Built thermal shutdown circuit (TSD) Operating range 6~13.2V
Description
KA9258D monolithic integrated circuit, suitable 4-CH motor driver which drives tracking actuator, focus actuator, sled motor loading motor CD/CD-ROM/ system, also drive spindle motor system.
28-SSOPH-375
Typical Applications
Compact disk player (CDP) Video compact disk player (VCD) Automotive compact disk player Other compact disk media
Ordering Information
Device KA9258BD Package 28-SSOPH-375 Operating Temp. -40°C +85°C -40°C +85°C
KA9258BDTF 28-SSOPH-375
Rev. 1.0.1 February. 2000.
©2000 Fairchild Semiconductor International
KA9258D
DI4.2 DI4.1
DO1.1
GND3
Assignments
DO1.2
DO4.2
DI1.1
DO4.2
DI1.2
VREF
MUTE
VCC2
(GND)
KA9258D
GND1
DO2.1
DO2.2
GND2
OPOUT
(GND)
DI2.2 DI2.1
VCC1
DI3.2
DI3.1
DO3.2
DO3.1
OPIN OPIN
KA9258D
Definitions
Number Name DO1.1 DO1.2 DI1.1 DI1.2 MUTE GND1 DI2.1 DI2.2 DO2.1 DO2.2 GND2 OPOUT OPIN(-) OPIN(+) DO3.1 DO3.2 DI3.1 DI3.2 VCC1 VCC2 VREF DI4.1 DI4.2 DO4.1 DO4.2 GND3 Drive output Drive output Drive input Drive input Regulator Regulator output Mute Ground Drive input Drive input Drive output Drive output Ground Op-amp output Op-amp input Op-amp input Drive output Drive output Drive input Drive input Supply voltage Supply voltage 2.5V bias voltage Drive input Drive input Drive output Drive output Ground Function Description
KA9258D
Internal Block Diagram
OPIN DO4.2 DO4.1 DO3.2 DO3.1 GND3 VREF VCC2 VCC1 DI4.2 DI4.1 DI3.2 DI3.1 OPIN(+) OPOUT
Level shift
Level shift
Regulator Level shift DO1.1 DO1.2 DI1.1 DI1.2 MUTE GND1 DI2.1 Mute DI2.2 DO2.1
DO2.2
GND2
Level shift
KA9258D
Equivalent Circuits
Driver input Driver output
2.5V
11.8k
0.58k VREF1
Regulator
Regulator output
Mute input
Bias input
100k
KA9258D
Equivalent Circuits (Continued)
output input
4.8k
4.8k
Absolute Maximum Ratings 25°C)
Parameter Supply voltage Power dissipation Operating temperature Storage temperature Maximum output current Symbol TOPR TSTG IOMAX Value 1.7note +150 Unit
Notes When mounted 76.2mm 114mm 1.57mm (Phenolic resin material). Power dissipation reduces 13.6mW using above Ta=25°C exceed (Safe Operating Area).
Power Dissipation Curve
(mW) 3,000 2,000
1,000 Ambient temperature, [°C]
Recommended Operating Condition 25°C)
Parameter Operating supply voltage Symbol VOPR Value 13.2 Unit
KA9258D
Electrical Characteristics 25°C)
Regulator
Parameter Regulator output voltage Load regulation Line regulation Symbol VREG Conditions IL=100mA IL=0 200mA IL=200mA, VCC=6 Min. 4.75 -40.0 -10.0 Typ. Max. 5.25 10.0 20.0 Units
Drive
Parameter Quiescent circuit current Input offset voltage Output offset voltage Maximum sink current Maximum source current Maximum output voltage Closed loop voltage gain Ripple rejection ratio Slew rate Symbol ICCQ ISINK ISOURCE VI=0 RL=4, RL=4, VI=2VRMS, 1kHz VI=0.1VRMS, 1kHz VI=-20dB, 120Hz 100Hz, Square wave Conditions Min. -5.0 60.0 Typ. 80.0 Max. 13.5 Units
Parameter Input offset voltage Input bias current High level output voltage level output voltage Output sink current Output source current Open loop voltage gain Ripple rejection ratio Slew Rate Common mode rejection ratio Symbol VOF1 VOH1 VOL1 ISINK1 ISOURCE1 GVO1 CMRR1 Conditions RL=50, RL=50, VIN=-75dB, f=1kHz VIN=-20dB, f=120kHz Square, VOUT=2Vp-p, f=120kHz VIN=-20dB, f=1kHz Min. Typ. Max. Units
KA9258D
Application Information
MUTE
High Open
Mute circuit Turn-off Turn-on Turn-on
Output driver bias
When mute open voltage mute below 0.5V, mute circuit activated that output circuit will muted. When voltage mute above mute circuit disabled output circuit operates normal. chip temperature rises above 175°C, then (Thermal Shutdown) circuit activated output circuit muted.
(THERMAL SHUTDOWN)
VREF Output driver bias
VREF output voltage band-gap-referenced biasing circuit acts input voltage circuit. base-emitter voltage designed turn-on below voltage. VREF (R11 R12) 460mV When chip temperature rises 175°C, then turn-on voltage would drop down 460mV. (Hysteresis: 25°C) Hence, would turn output circuit will muted.
KA9258D
OP-AMP OP-amp integrated user's convenience.
AMP-I(+) -I(-)
AMP-O
DRIVER
VREF (2.5V) 100k
Level shift
Buffer
Buffer
voltage, VREF, reference voltage given bias voltage #23. input signal through amplified 10k/10k times then level shift. level shift produces current difference between input signal arbitrary reference signal. current produced into driver buffer. Driver Buffer operates power output stage according state input signal. output stage driver motor rotating forward direction operating other hand, operating, motor rotating reverse direction When input voltage through below VREF, then direction motor forward direction. When input voltage through above VREF, then direction motor reverse direction. desired change gain, then used. Connect by-pass capacitor, 0.1µF between supply voltage source.
VCC1 VCC2
Radiation connecting internal package. Connect external GND.
KA9258D
Typical Performance Characteristics
13.5 11.5
Imute [mA] [mA]
Imute
pin23=2.5
Vreg
5.25 5.15 5.05 4.95 4.85 4.75
Isink
1300 1100 Isink [mA] pin23=2.5
Vreg
pin23=2.5 RL=4
Vreg
1400 1200 Isource [mA] 1000
Isink
[dB]
pin23=2.5 RL=4
pin23=2.5 Vin=0.1Vrms f=1kHz RL=8
KA9258D
Typical Performance Characteristics (Continued)
Temp
13.5 11.5 pin23=2.5 Temp [°C] Iccm [mA] [mA] Temp [°C] Vcc=13 Vpin23=2.5
Temp Iccm
Temp Vreg
5.25 5.15
Temp Isource
1500 1400 Isource [mA] 1300 1200 1100
Vcc=13 pin23=2.5 RL=4 Temp [°C]
Vreg
5.05 4.95 4.85 4.75
1000
Temp [°C]
Temp Isink
1300 1250 1200 Isink [mA] 1150 1100 1050 1000 Vcc=13V Temp=vari pin23=2.5
Temp [°C]
KA9258D
Test Circuits
470µF SW17 SW16 OPIN(+) GND2 DO3.1 DO2.2 SW10 DO3.2 DO2.1 10µF DI3.1 DI3.2 VCC1
DI2.2 DI2.1
10µF PC-V 1000µF Open Short
SW15 SW14
OPIN(-) OPOUT
10µF
MUTE
VCC2 Vref DI4.1 10µF DI4.2 DO4.1 SW13
MUTE
100µF
2.5V
KS8772 10µF
VREF
DI1.2 DI1.1
DO4.2 DO1.2 GND3 SW11
DO1.1
SW12
KA9258D
Application Circuits
OPIN(-) OPIN(+) DO3.1 SLED MOTOR SPINDLE SERVO SLED BIAS VCC2 TRACKING FOCUS TRACKING ACTUATOR Vref DI4.1 DI4.2 DO4.1 DO4.2 GND3 DO3.2 DI3.1 DI3.2 VCC1
OPOUT GND2 DO2.2 DO2.1 DI2.2 SPINDLE MOTOR
DI2.1 MUTE OFF: HIGH REG.OUT VREF DI1.2 DI1.1 DO1.2 DO1.1 FOCUS ACTUATOR
MUTE
Thermal Shut Down Circuit
breaks down over heating when overload condition continues long time. KA9258D built-in thermal shut down circuit prevent this case. When temperature rises over 175°C, circuit operates protects from breakdown.
KA9258D
DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES RIGHT MAKE CHANGES WITHOUT FURTHER NOTICE PRODUCTS HEREIN IMPROVE RELIABILITY, FUNCTION DESIGN. FAIRCHILD DOES ASSUME LIABILITY ARISING APPLICATION PRODUCT CIRCUIT DESCRIBED HEREIN; NEITHER DOES CONVEY LICENSE UNDER PATENT RIGHTS, RIGHTS OTHERS. LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS AUTHORIZED CRITICAL COMPONENTS LIFE SUPPORT DEVICES SYSTEMS WITHOUT EXPRESS WRITTEN APPROVAL PRESIDENT FAIRCHILD SEMICONDUCTOR INTERNATIONAL. used herein: Life support devices systems devices systems which, intended surgical implant into body, support sustain life, whose failure perform when properly used accordance with instructions provided labeling, reasonably expected result significant injury user.
www.fairchildsemi.com 12/1/00 0.0m Stock#DSxxxxxxxx 2000 Fairchild Semiconductor International
critical component component life support device system whose failure perform reasonably expected cause failure life support device system, affect safety effectiveness.

4-Channel Motor Driver 1-phase, full-wave, linear motor driver Ou

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