LB11988D Monolithic Digital Motor Driver LB11988D 3-pha

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LB11988D Monolithic Digital Motor Driver LB11988D 3-pha

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Ordering number ENA0433
LB11988D
Monolithic Digital
Motor Driver
LB11988D 3-phase motor driver that optimal driving ventilation motors.
Features
3-Phase full-wave current-linear drive system. Current limiter circuit built Output stage upper/lower over-saturation prevention circuit built Forward/backward rotation direction setting circuit built amplifier built Thermal shutdown circuit built Absolute Maximum Ratings 25°C
Parameter Maximum supply voltage Symbol Maximum output current Allowable power dissipation Operating temperature range Storage temperature range Topr Tstg Independent Conditions Ratings +150 Unit
Allowable Operating Range 25°C
Parameter Supply voltage Hall input amplitude VHALL Between hall inputs Symbol Conditions Ratings mVo-p Unit
SANYO Semiconductor products described contained herein have specifications that handle applications that require extremely high levels reliability, such life-support systems, aircraft's control systems, other applications whose failure reasonably expected result serious physical and/or material damage. Consult with your SANYO Semiconductor representative nearest before usingany SANYO Semiconductor products described contained herein such applications. SANYO Semiconductor assumes responsibility equipment failures that result from using products values that exceed, even momentarily, rated values (such maximum ratings, operating condition ranges, other parameters) listed products specifications SANYO Semiconductor products described contained herein.
83006 53006 B8-7846 No.A0433-1/8
LB11988D
Electrical Characteristics 25°C, 12V,
Parameter supply current Output Output saturation voltage VOsat1 VOsat2 500mA, 0.5, Sink+Source (with saturation prevention) 1.0A, Sink+Source (with saturation prevention) Output leakage current Hall amplifier Input offset voltage Input bias current Common-mode input voltage Threshold voltage Input bias current Current limit current limit level Saturation Saturation prevention circuit lower voltage Amplifier Output "High" voltage Output "Low" voltage Hysteresis width operating temperature Vfgoh(SH) Vfgol(SH) Vhys TTSD Design target value* 11.8 VOsat(DET) (Y),Rf Voltage between each 0.28 ILIM 0.5, Hall input logic fixed VFRTH Ib(FR) Voff(HALL) Ib(HALL) Vcm(HALL) VIN, VCC-3 IOleak Symbol Conditions Ratings unit
T-TSD measured because stands design target.
Package Dimensions
unit 3037C
26.75 (20.0) (R1.7) HEAT SPREADER
(8.4)
(1.95)
(4.0)
2.54
SANYO DIP20H(500mil)
11.2
12.7
No.A0433-2/8
LB11988D
Independent
Allowable Power Dissipation,Pd
Ambient Temperature,
ILB01792
Truth Table Control Function
Source Sink Hall Input
Note: column represents voltage more. represents voltage less. VCC=12V) Note: under Hall Input columns represents state which potential which higher 0.01V more than that phase inputs. Conversely represents state which potential which lower 0.01V more than that phase inputs. Note: Since 180° energized system used drive system, other phases than sink source OFF.
No.A0433-3/8
LB11988D
Assignment
WIN-
WIN+
VIN-
VIN+
UOUT
LB11988D
UIN6 VOUT
UIN+
WOUT
view
No.A0433-4/8
LB11988D
Functions
Name Input/Output Equivalent Circuit Functions Power supply supplying power circuits expect output section this voltage must stabilized eliminate ripple noise. others than output transistor. Minimum potential output transistor UIN+, UIN7,
Each input
Each input
U-phase Hall device input pin; logic presents IN+>INV-phase Hall device input pin; logic presents IN+>INW-phase Hall device input pin; logic presents IN+>IN-
VIN+, VIN-
100µA
WIN+, WIN-
UOUT VOUT WOUT
U-phase output pin. V-phase output pin. W-phase output pin.
150µA
(Built-in spark killer diode) Output current detection pin. Connecting between this activates current limiting circuit. Then lower over-saturation prevention circuit activated accordance with this voltage. Since over-saturation prevention level with this voltage, lower over-saturation prevention effect deteriorate high current range value reduced extremely level.
Each
Lower oversaturation prevention circuit block
Power supply supplying power output section Forward/Reverse switching pin.
200µA 1/2VCC
Continued next page.
No.A0433-5/8
LB11988D
Continued from preceding page.
Name Input/Output Equivalent Circuit Functions Frequency characteristics compensation over-saturation prevention circuit loop.
amplifier output pin. Resistive load provided internally.
FGOUT
No.A0433-6/8
0.1µF
Block Diagram
UIN+
UIN-
VIN+
UOUT VOUT WOUT
VIN-
WIN+
Hall input combination unit (linear matrix)
Combined output logarithmic compression unit
Logarithmic inverse transformation differential distribution
WIN-
Upper saturation prevention control Drive distribution circuit lower saturation prevention control LIMREF Schmidt amplifier Current limitter UIN+ 13.6k UINFG amplifier
Forward/Reverse switching
LB11988D
Differential distribution Feedback amplifier
Bandgap 1.2V
Reference voltage
No.A0433-7/8
LB11988D
Specifications SANYO Semiconductor products described contained herein stipulate performance, characteristics, functions described products independent state, guarantees performance, characteristics, functions described products mounted customer's products equipment. verify symptoms states that cannot evaluated independent device, customer should always evaluate test devices mounted customer's products equipment. SANYO Semiconductor Co., Ltd. strives supply high-quality high-reliability products. However, semiconductor products fail with some probability. possible that these probabilistic failures could give rise accidents events that could endanger human lives, that could give rise smoke fire, that could cause damage other property. When designing equipment, adopt safety measures that these kinds accidents events cannot occur. Such measures include limited protective circuits error prevention circuits safe design, redundant design, structural design. event that SANYO Semiconductor products (including technical data,services) described contained herein controlled under applicable local export control laws regulations, such products must exported without obtaining export license from authorities concerned accordance with above law. part this publication reproduced transmitted form means, electronic mechanical, including photocopying recording, information storage retrieval system, otherwise, without prior written permission SANYO Semiconductor Co., Ltd. information described contained herein subject change without notice product/technology improvement, etc. When designing equipment, refer "Delivery Specification" SANYO Semiconductor product that intend use. Information (including circuit diagrams circuit parameters) herein example only; guaranteed volume production. SANYO Semiconductor believes information herein accurate reliable, guarantees made implied regarding infringements intellectual property rights other rights third parties.
This catalog provides information May, 2006. Specifications information herein subject change without notice.
No.A0433-8/8

LB11988D Monolithic Digital Motor Driver LB11988D 3-pha

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