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PDF LB11620T Data sheet ( Hoja de datos )
| Número de pieza | LB11620T | |
| Descripción | Monolithic Digital IC Brushless Motor Driver | |
| Fabricantes | Sanyo Semicon Device | |
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Ordering number : ENA0662
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LB11620T
Monolithic Digital IC
Brushless Motor Driver
Overview
The LB11620T is a direct PWM drive predriver IC that is optimal for three-phase power brushless motors. A motor driver
circuit with the desired output capability (voltage and current) can be implemented by adding discrete transistors or other
power devices to the outputs of this IC. Since the LB11620T is provided in a miniature package, it is also appropriate for
use with miniature motors as well.
Features
• Three-phase bipolar drive
• Direct PWM drive (input of either a control voltage or a variable-duty PWM signal)
• Built-in forward/reverse switching circuit
• Full complement of protection circuits (current limiter, low-voltage, and automatic recovery lock (motor constraint)
protection circuits)
• Selectable Hall sensor signal pulse output
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Supply voltage 1
Output current
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC max
IO max
Pd max
Topr
Tstg
Conditions
VCC pin
UL, VL, WL, UH, VH, WH pins
*Mounted on a circuit board.
* Mounted on a circuit board : 114.3mm×76.1mm×1.6mm, glass epoxy board.
Ratings
18
30
0.8
-20 to +100
-55 to +150
Unit
V
mA
W
°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.
22807 MS PC 20061227-S00002 No.A0662-1/11
1 page  
Pin Functions
Pin No.
Pin
1 GND
2 RF
7
5
3
8
6
4
10, 9
12, 11
14, 13
15
16
UH
VH
WH
UL
VL
WL
IN1+, IN1-
IN2+, IN2-
IN3+, IN3-
PWM
RD
17 CSD
18 PWMIN
19 F/R
20 HP
21 N1
22 EI+
23 VREG
24 VCC
LB11620T
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Description
Ground
Output current detection. The current detection resistor (Rf) voltage is sensed by the RF pin to implement
current detection.
The maximum output current is set by RF to be IOUT = 0.25/Rf.
Outputs (PWM outputs).
These are push-pull outputs.
Outputs
These are push-pull outputs.
Hall sensor inputs from each motor phase.
The logic high state indicates that IN+ > IN-.
If inputs are provided by a Hall effect sensor IC, the common-mode input range is expanded by biasing
either the + or - input.
Functions as both the PWM oscillator frequency setting pin and the initial reset pulse setting pin. Connect
a capacitor between this pin and ground.
Lock (motor constrained) detection state output. This output is turned on when the motor is turning and off
when the lock protection function detects that the motor has been stopped. This is an open collector
output.
Sets the operating time for the lock protection circuit.
Connect a capacitor between this pin and ground. Connect this pin to ground if the lock protection
function is not used.
PWM pulse signal input. The output goes to the drive state when this pin is low, and to the off state when
this pin is high or open. To use this pin for control, a CTL amplifier input such that the TOC pin voltage
goes to the 100% duty state must be provided.
Forward/reverse control input
Hall signal output (HP output). This provides either a single Hall sensor output or a synthesized 3-sensor
output.
Hall signal output (HP output) selection
CTL amplifier + (noninverting) input. The PWMIN pin must be held at the low level to use this input for
motor control
5V regulator output (Used as the control circuit power supply. A low-voltage protection circuit is built in.)
Connect a capacitor between this pin and ground for stabilization.
Power supply. Connect a capacitor between this pin and ground to prevent noise and other disturbances
from affecting this IC.
No.A0662-5/11
5 Page 
LB11620T
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SANYO Semiconductor Co.,Ltd. assumes no responsibility for equipment failures that result from using
products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition
ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor Co.,Ltd.
products described or contained herein.
SANYO Semiconductor Co.,Ltd. strives to supply high-quality high-reliability products, however, any and all
semiconductor products fail or malfunction with some probability. It is possible that these probabilistic failures or
malfunction could give rise to accidents or events that could endanger human lives, trouble that could give rise
to smoke or fire, or accidents that could cause damage to other property. When designing equipment, adopt
safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not
limited to protective circuits and error prevention circuits for safe design, redundant design, and structural
design.
In the event that any or all SANYO Semiconductor Co.,Ltd. products described or contained herein are
controlled under any of applicable local export control laws and regulations, such products may require the
export license from the authorities concerned in accordance with the above law.
No part of this publication may be reproduced or transmitted in any form or by any means, electronic or
mechanical, including photocopying and recording, or any information storage or retrieval system, or otherwise,
without the prior written consent of SANYO Semiconductor Co.,Ltd.
Any and all information described or contained herein are subject to change without notice due to
product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification" for the
SANYO Semiconductor Co.,Ltd. product that you intend to use.
Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed
for volume production.
Upon using the technical information or products described herein, neither warranty nor license shall be granted
with regard to intellectual property rights or any other rights of SANYO Semiconductor Co.,Ltd. or any third
party. SANYO Semiconductor Co.,Ltd. shall not be liable for any claim or suits with regard to a third party's
intellctual property rights which has resulted from the use of the technical information and products mentioned
above.
This catalog provides information as of February, 2007. Specifications and information herein are subject
to change without notice.
PS No.A0662-11/11
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet LB11620T.PDF ] | |
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