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PDF LB11685VH Data sheet ( Hoja de datos )
| Número de pieza | LB11685VH | |
| Descripción | 3-phase sensor less Motor driver | |
| Fabricantes | Sanyo Semicon Device | |
| Logotipo |  |
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Ordering number : ENA1773
LB11685VH
Monolithic Digital IC
3-phase sensor less
Motor driver
Overview
The LB11685VH is a three-phase full-wave current-linear-drive motor driver IC. It adopts a sensor less control system
without the use of a Hall Effect device. For quieter operation, the LB11685VH features a current soft switching circuit and
be optimal for driving the cooling fan motors used in refrigerators, etc.
Functions
• Three-phase full-wave linear drive (Hall sensor-less method )
• Built-in three-phase output voltage control circuit
• Built-in current limiter circuit
• Built-in motor lock protection circuit
• Motor lock protection detection output
• FG output made by back EMF
• Built-in thermal shut down circuit
• Beat lock prevention circuit
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage
Input applied voltage
Maximum output current
Allowable power dissipation
Operating temperature
Storage temperature
Junction temperature
Symbol
VCC max
VIN max
IO max *1
Pd max
Topr
Tstg
Tj max
Conditions
Mounted on a board *2
*1: The IO is a peak value of motor-current.
*2: Specified board: 76.1mm × 114.3mm × 1.6mm, glass epoxy board.
Ratings
19
-0.3 to VCC +0.3
1.2
1.4
-40 to 85
-55 to 150
150
Unit
V
V
A
W
°C
°C
°C
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer's products or
equipment.
61610 SY 20100604-S00002 No.A1773-1/7
1 page  
Pin Function
Pin No.
16
12
14
20
Pin name
UOUT
WOUT
VOUT
PGND
9 RF
21 MCOM
LB11685VH
Function
Each output pin of three phases.
GND pin in the output part.
This pin is connected to GND. The SGND pin is also
connected to GND
Pin to detect output current.
By connecting a resistor between this pin and VCC, the
output current is detected as a voltage.
The current limiter is operated by this voltage.
Motor coil midpoint input pin.
The coil voltage waveform is detected based on this
voltage.
22 SGND
23 FG
25 RD
27 VCO
Ground pin (except the output part)
This pin is connected to GND.
The PGND pin is also connected to GND.
FG out made by back EMF pin.
It synchronizes FG out with inverted V-phase.
When don’t use this function, open this pin.
Motor lock protection detection output pin.
Output with L during rotation of motor.
Open during lock protection of motor (High-impedance).
When don’t use this function, open this pin.
PLL output pin and VCO input pin.
To stabilize PLL output, connect a capacitor between this
pin and GND.
Equivalent circuit
Pin No.9
Pin No.16,14,12
Pin No.20
SGND SGND SGND
VCC
VCC
Pin No.21
SGND
SGND
Pin No.23
No.25
SGND
SGND
VREG
VCC
Pin No.27
SGND
VREG
VREG
1 CX
VCO oscillation output pin.
Operation frequency range and minimum frequency are
determined by the capacity of the capacitor connected to
this pin.
SGND
VREG
VCC
Pin No.1
SGND
SGND
Continue to the next page.
No.A1773-5/7
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet LB11685VH.PDF ] | |
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