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PDF LB1696 Data sheet ( Hoja de datos )
| Número de pieza | LB1696 | |
| Descripción | 3-phase Brushless Motor Driver | |
| Fabricantes | Sanyo | |
| Logotipo |  |
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Ordering number: EN5244
Monolithic Digital IC
LB1696
3-phase Brushless Motor Driver
Overview
The LB1696 is a 3-phase brushless motor driver IC that is
ideal for driving DC fan motors in air conditioners, hot-water
supply systems, and the like. The LB1696 has a regulator built
in, and can be used with a single power supply (motor power
supply only).
Package Dimensions
unit : mm
3037A-DIP20H
[LB1696]
Features
. 3-phase brushless motor driver.
. Withstand voltage: 60 V; output current: 2.5 A.
. Current limiter built in.
. Low-voltage protector built in.
. Thermal shutdown protector built in.
. Hall amplifier with hysteresis built in.
. FG output function.
. Regulator built in.
Specifications
Absolute Maximum Ratings at Ta = 25 °C
Parameter
Maximum supply voltage
Output current
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC max
VM max
IO
Pd max1
Pd max2
Topr
Tstg
Conditions
Independent IC
With arbitrarily large heat sink
Allowable Operating Ranges at Ta = 25 °C
Parameter
Supply voltage range
Regulator input voltage
VREG pin output current
Power supply voltage rise rate
Symbol
VCC
VM
VM(REG)
IREGO
∆VCC/ ∆t
∆VM/ ∆t
Conditions
VCC = VLVSD(OFF) point*1
VM = 0 V point*1
*1 If the supply voltage rise rate is fast when power is applied, through current may flow to output.
SANYO : DIP20H
Ratings
10
60
2.5
3
20
–20 to +100
–55 to +150
Unit
V
V
A
W
W
°C
°C
Ratings
4.5 to 6.0
5 to 56
7 to 56
400(max)
to 0.04
to 0.16
Unit
V
V
V
µA
V/µs
V/µs
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
D3095HA(II) No.5244-1/9
1 page  
Pin Functions
Pin No. Pin Name
1 VCC
2 R1
Pin Voltage
3C
4 R2
5 OUT1
6 OUT2
7 OUT3
8 RF
10 VM
9 VREG
11 GND
12 F/R
0.0 V min
VCC max
LB1696
Equivalent Circuit
Pin Function
Supplies power to all circuits except output
block.
Sets the C pin charge/discharge current. In
current limiter operation when the motor is
locked, the charge current set by this pin
becomes charge current ICL1 for the C pin.
Sets the output off time and output current
neglect time during current limiter operation.
Sets the C pin charging current.
In current limiter operation when the motor is
rotating, the sum of the current set by this pin
and the current ICL1 set by the R1 pin
becomes charge current ICL2 for
the C pin.
Output pin 1
Output pin 2
Output pin 3
Output current detection pin. By inserting
resistor Rf between this pin and GND, the
output current is detected as voltage. The
output current is limited to a current value set
by VRF/Rf (current limit operation).
Power supply pin providing output
Regulator pin.
When using a single power supply (VM), VCC
(5.2 V) is supplied by adding an external
transistor.
The recommended transistor is the
2SD1724T. If a regulator is not used, this pin
should either be open or grounded.
GND for other than output.
The minimum potential of output transistor is
the RF pin voltage.
Forward/reverse control pin.
17, 18, IN1+, IN1–
15, 16, IN2+, IN2–
13, 14 IN3+, IN3–
1.5 V min
VCC – 1.8 V
max
19 FG2
20 FG1
Hall device input pin
Logic ‘‘H’’ represents IN+ > IN–.
Rate pulse output pin 2.
Pull-up resistor built in.
Rate pulse output pin 1.
Pull-up resistor built in.
No.5244-5/9
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet LB1696.PDF ] | |
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