Monolithic Digital LB1916 CD-ROM Spindle Motor Driver O
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Ordering number EN5653
Monolithic Digital
LB1916
CD-ROM Spindle Motor Driver
Overview
LB1916 3-phase motor driver that optimal driving CD-ROM spindle motors.
Functions Features
3-phase brushless motor driver 120° voltage linear drive control V-type input used control voltage
Control gain switching supported Pins system control control acceleration deceleration provided. Start/stop provided. Hall bias circuit
Package Dimensions
unit: 3219-QFP34H-C
[LB1916]
Allowable power dissipation, Pdmax
Ambient temperature, SANYO: QFP34H-C
Specifications
Absolute Maximum Ratings 25°C
Parameter Maximum supply voltage Output voltage Output current Allowable power dissipation Operating temperature Storage temperature Symbol VCC1 VCC2 VOU, IOUT Topr Tstg Independent Conditions Ratings 0.77 +150 Unit
Allowable Operating Ranges 25°C
Parameter Supply voltage VCREF input voltage Symbol VCC1 VCC2 VCREF VCC1 VCC2 Conditions Ratings 12.5 VCC2/2±1.0 Unit
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, Chome, Ueno, Taito-ku, TOKYO, JAPAN
53197HA(OT) 5653-1/7
LB1916 Electrical Characteristics 25°C, VCC1 VCC2
Parameter Symbol ICC1 ICC2 (ICC VCC1) [Drive Block] Output saturation voltage Output sustainable voltage Output center voltage Hall amplifier input offset voltage Hall amplifier input bias current Hall amplifier common-mode input voltage range Hall input/output voltage gain Control output drive gain Control output channel difference Control output drive gain Control output channel difference Input dead band voltage Input bias current high-level voltage low-level voltage Gain control high-level voltage Gain control low-level voltage Gain control high-level voltage Gain control low-level voltage input current Gain control current Rotation output saturation voltage Hall bias voltage CTRL high-level voltage VO(sat)1 VO(sat)2 VO(sus) offset bias VHch VGHO VGCO1 VGCO1 VGCO2 VGCO2 SERVO VS/S VS/S VGC1 VGC1 VGC2 VGC2L IS/S V(sat)H.FG1, RZ2, RZ2, RZ2, RZ2, RZ2, (voltage between OUT) Inputs CMOS level, (See Note.) VCC2/2 Inputs CMOS level, (See Note.) VCC2/2 Inputs CMOS level, (See Note.) Inputs CMOS level, (See Note.) Inputs CMOS level, (See Note.) Inputs CMOS level, (See Note.) Input voltage Input voltage CTRL1 CTRL2 common, Inputs CMOS level, (See Note.) CTRL CTRL1 CTRL2 common, Inputs CMOS level, (See Note.) CTRL Input voltage 0.24 0.97 -1.5 -1.9 +1.9 +1.5 IOUT sink source IOUT sink source IOUT VCREF ICC3 Conditions VCREF VS/S VCREF VCREF VS/S Ratings 10.5 Unit
Supply current drain
V(sus)H.FG1, VS/S
CTRL low-level voltage CTRL input Thermal shutdown operating voltage Thermal shutdown hysteresis
VS/S ICTRL
Note: Items marked with asterisk design target values tested.
5653-2/7
LB1916 Hall Logic Truth Table
Source Sink Hall input Forward/reverse control Forward Reverse Forward Reverse Forward Reverse Forward Reverse Forward Reverse Forward Reverse
Mode Switching Truth Table
CTRL0 CTRL1 Mode Control Control Acceleration Deceleration
level high level higher
input state defined UIN1 UIN2, VIN1 VIN2, potential difference least When VCREF: Forward rotation When VCREF: Reverse rotation
Assignment
VCREF
5653-3/7
LB1916 Peripheral Circuit Example
VCREF
Block Diagram
Start/stop
Absolute value detector
VCREF
Thermal shutdown
Gain selector
Mode selector
Hall Matrix Forward/reverse selector
Hall bias
5653-4/7
LB1916 Functions
voltage function Equivalent circuit
UOUT VOUT WOUT
Outputs Connect these pins motor.
Ground output transistors output current detected voltage connecting resistor between ground. This then used implement overcurrent protection.
connection
VCC2
Power supply circuits other than output block power supply provided this must well stabilized that noise does occur.
Connections resistors that front-end amplifier gain common, have resistance between tens hundreds gain about
VCREF
speed control pin. When VCREF: Forward rotation VCC2 When VCREF: Reverse rotation ±1.0 output voltage controlled voltage. VCREF determines motor control stop voltage. Normally, this will VCC2/2.
VCC2
gain switching input switches front amplifier. When low, selected, when high, selected. switches amplifier second stage.
Continued next page.
5653-5/7
LB1916
Continued from preceding page.
voltage function Equivalent circuit
CTRL CTRL1
VCC2
Operating mode switching input These pins select control, acceleration, deceleration according mode switching truth table.
VCC2
Apply high level start, level stop. threshold VCC2/2.
Oscillation prevented connecting capacitor between ground lower gain frequency characteristics.
WIN2 WIN1 VIN1 VIN2 UIN2 UIN1
phase Hall element inputs Logic high when WIN1 WIN2. phase Hall element inputs Logic high when VIN1 VIN2. phase Hall element inputs Logic high when UIN1 UIN2.
Hall element power supply There potential difference between VH-.
Continued next page.
5653-6/7
LB1916
Continued from preceding page.
voltage function Equivalent circuit
HFG2 HFG1
VCC2
Hall pins Hall waveform modified used pulses. phase relationship between HFG1 HFG2 used forward/reverse signal.
VCC2
current limiter operates when voltage reaches voltage pin. potential determined externally.
VCC1
12.5
Power supply output block power supply provided this must well stabilized that noise does occur.
products described contained herein intended surgical implants, life-support systems, aerospace equipment, nuclear power control systems, vehicles, disaster/crime-prevention equipment like, failure which directly indirectly cause injury, death property loss. Anyone purchasing products described contained herein above-mentioned shall: Accept full responsibility indemnify defend SANYO ELECTRIC CO., LTD., affiliates, subsidiaries distributors their officers employees, jointly severally, against claims litigation damages, cost expenses associated with such use: impose responsibility fault negligence which cited such claim litigation SANYO ELECTRIC CO., LTD., affiliates, subsidiaries distributors their officers employees jointly severally. Information (including circuit diagrams circuit parameters) herein example only; guaranteed volume production. SANYO believes information herein accurate reliable, guarantees made implied regarding infringements intellectual property rights other rights third parties. This catalog provides information May, 1997. Specifications information herein subject change without notice. 5653-7/7
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