Single-phase FAN Motor Driver

LV8862JA
Bi-CMOS LSI
Single-phase FAN Motor Driver
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Overview
LV8862JA is a driver IC used for single-phase fan motor. High-efficiency
and low-noise are realized by reducing reactive power using Silent PWM.
This IC’s feature is low on-resistance 0.6Ω & High-efficiency. Therefore,
it is optimal for high power fan motor and home appliance equipment.
Feature
 Single-phase full wave operation by Silent PWM drive
 Speed is controllable by PWM input
 Hall bias output pin
 Integrated Quick Start Circuit
 FG (rotation detection)/ RD (lock detection) output pin (open drain output)
 Integrated current limiter circuit (limit at Io=500mA with RL=0.5Ω connection,
limit value is determined based on Rf.)
 Integrated lock protector circuit and automatic recovery circuit
 Integrated thermal shut-down (TSD) circuit
SSOP16 (225mil)
Typical Applications
 Fan motor units
 Desk top PCs
 Refrigerator
 Projectors
Specifications
Absolute Maximum Ratings at Ta = 25C, GND = 0V
Parameter
Maximum supply voltage
OUT pin output current
Output withstand
RD/FG output pin withstand
RD/FG output maximum current
Symbol
Conditions
VCC max
IOUT max
VOUT max
VRD/FG max
IRD/FG max
Ratings
Unit
20
1.5
20
18
10
V
A
V
V
mA
RGL output maximum current
IRGL max
5
mA
HB output maximum current
IHB max
10
6
mA
0.8
W
–40 to + 95
C
–55 to + 150
C
PWM input pin withstand
VPWM max
Allowable power dissipation
Pd max
Operating temperature
Topr
Storage temperature
Tstg
On a specified board *1
*2
V
*1 Specified board: 76.1mm x 114.3mm x 1.6mm, glass epoxy board
*2 Do not exceed Tjmax=150C
Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality should not be assumed,
damage may occur and reliability may be affected.
ORDERING INFORMATION
See detailed ordering and shipping information on page 12 of this data sheet.
© Semiconductor Components Industries, LLC, 2015
March 2015 - Rev. 1
1
Publication Order Number :
LV8862JA/D
LV8862JA
Recommended Operating Conditions at Ta = 25C, GND = 0V
Parameter
Symbol
Operating supply voltage range
VCC op1
Hall input common phase input
Conditions
Ratings
Recommended supply voltage range
Unit
3.6 to 16
V
VICM
0.3 to VRGL1.5
V
PWM pin input voltage range
PWM
0 to 5.5
V
SSW pin input voltage range
SSW
0 to VRGL
Input PWM frequency range
PWMF
voltage range
V
20 to 50
kHz
Functional operation above the stresses listed in the Recommended Operating Ranges is not implied. Extended exposure to stresses beyond the Recommended
Operating Ranges limits may affect device reliability.
Electrical Characteristics at Ta  25C, VCC = 12V, GND = 0V
Parameter
Circuit consumption current
Symbol
Ratings
Conditions
min
typ
max
Unit
ICC
Active
2.5
3.5
mA
ICCo
Stand-by
2.0
3.0
mA
RGL pin output voltage
VRGL
HB pin output voltage
VHB
IHB=5mA
Output ON resistance
Ron
Io=1.0A, upper + lower ON resistance
Hall input bias current
IHIN
Current limiter
VRF
3.0
3.15
3.3
V
1.16
1.25
1.28
V
0.6
0.8
Ω
1.0
A
280
mV
220
250
PWM pin input Low level
VPWML
0
1.0
V
PWM pin input High level
VPWMH
2.0
VRGL
V
PWM input minimum pulse width
TPWM
RD/FG output pin Low voltage
VRD/FG
IRD/FG=3mA
FG output leakage current
IRDL/FGL
VRD/FG=18V
including offset
Sec
1
0.22
0.30
V
10
A
FG comparator hysteresis width
VHYS
±5
±12
±18
mV
Output ON time in Lock-detection
TACT
0.6
0.8
1.0
Sec
Output OFF time in Lock-detection
TDET
6
7.2
9
Sec
Output ON/OFF ratio in
TRTO
7.5
9.0
11.0
TRTO=TDET/TACT
Lock-detection
Thermal shutdown operating
TSD
*Design guarantee
temperature
Thermal shutdown hysteresis width
TSD
*Design guarantee
180
C
40
C
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product performance may not be
indicated by the Electrical Characteristics if operated under different conditions.
Truth table
Operating state
Rotation  drive mode
Rotation – regeneration mode
Lock protector
IN1
IN2
L
H
H
L
L
H
H
L
L
H
H
L
PWM
H
L

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2
OUT1
OUT2
FG
RD
H
L
L
L
L
H
OFF
L
L
L
L
L
L
L
OFF
L
OFF
L
L
OFF
L
OFF
OFF
OFF
LV8862JA
Package Dimensions
unit : mm
SSOP16 (225mil)
CASE 565AM
ISSUE A
GENERIC
MARKING DIAGRAM*
SOLDERING FOOTPRINT*
5.80
1.0
(Unit: mm)
0.32
XXXXXXXXXX
YMDDD
XXXXX = Specific Device Code
Y = Year
M = Month
DDD = Additional Traceability Data
0.65
NOTE: The measurements are not to guarantee but for reference only.
*For additional information on our Pb−Free strategy and soldering
details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.
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LV8862JA
Pdmax-Ta
Specified board: 76.1mm x 114.3mm x 1.6mm, glass epoxy board
Pin Assignment
SSOP16(225mil)
Top view
GND 1
16 GND
OUT1 2
15 OUT2
RF
3
14 RF
VCC
4
13 SSW
(NC)
5
12 RGL
PWM 6
11 IN2
FG 7
10 HB
RD 8
9 IN1
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LV8862JA
Block diagram
GND 1
16 GND
OUT1 2
15 OUT2
RF 3
Current
Limitter
VCC 4
(NC)
5
14 RF
Level Shift
13 SSW
Duty
Controller
Low Side
Regulator
High Side
Regulator
PWM 6
12 RGL
11 IN2
OSC
FG 7
RD 8
HB
Lock Detection
TSD
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5
10 HB
9 IN1
LV8862JA
Pin function
*On circuit board ,
No.
Pin name
2
OUT1
15
OUT2
3
RF
means VCC , 
means RGL.
Function
Equivalent circuit
Output pin for motor driver
3
14
2
15
Resistive connection pin for current limiter
14
4
VCC
Power supply pin
6
PWM
Input pin for PWM control
*OPEN: pull up to High
* When input is High  output is High
When input is Low  output is Low
7
FG
FG (rotation detection) pulse output pin
8
RD
RD (lock detection) signal output pin
*During rotation  output is Low
During lock output is High
9
IN1
Hall input + pin
11
IN2
Hall input – pin
6
Continue to the next page
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LV8862JA
From the previous page
No.
Function
Pin name
10
HB
12
RGL
Equivalent circuit
Hall bias output pin
Regulator voltage output pin for
internal circuit and lower output Tr driver
13
SSW
Voltage input pin for control between
soft switches
*OPEN: pin voltage is middle.
*Soft switch zone is changed by short
to RGL or GND.
1
GND
Ground pin
RF
Resistive connection pin for current limiter
16
3
14
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13
LV8862JA
Sample application circuit
1 GND
GND 16
2 OUT1
OUT2 15
Rf
3
*6
RF 14
RF
*1
(
4 VCC
*4
)
*2
(
SSW 13
)
5 (NC)
RGL 12
6 PWM
IN2 11
7 FG
HB 10
8 RD
IN1 9
*5
H
)
*5
(
*7
PWM signal input
*1 When diode Di is used to prevent destruction of IC from reverse connection, make sure to implement the large
capacitor Cr to secure regenerative current route.
*2 If kickback at a phase change is greater, insert zener diode between GND and VCC or implement the larger capacitor
between GND and VCC mentioned in *1.
*4 Make sure to implement enough capacitance 0.1uF or higher between RGL pin and GND pin for stable performance.
*5 FG pin and RD pin are open drain output. Keep the pins open when unused.
*6 The current limiter is activated when the current detection resistor voltage exceeds 250mV between RF and VCC.
Where RL=0.5Ω, current limiter is activated at Io=500mA. Setting is made using Rf resistance.
*7 Hall element outputs stable hall signal with good temperature characteristic when it is biased with constant voltage
from HB pin. If you wish to alleviate heating of IC, do not use HB pin. When you do not use this Pin (Pin HB) , pull
down with resistor of around 10kΩ(recommended).
To defend signal against the noise, it is necessary to wire as short as possible from hall sensor to each pin and to
connect the capacitor between IN1 and IN2. Value from 1,000pF to 10,000pF is recommended for the capacitor. But
its value should be selected in consideration with the actual motor action.
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LV8862JA
Adjustment of soft-switching width
LV8862JA soft-switching wide select
12PIN RGL
OUT1
Wide
13PIN SSW
Connect
OUT2
1,16PIN
GND
12PIN RGL
Medium
OUT1
13PIN SSW
OPEN
OUT2
1,16PIN
GND
OUT1
12PIN RGL
Connect
Narrow
13PIN SSW
OUT2
1,16PIN
GND
phase switch
LV8862JA realizes high efficiency and low noise by controlling reactive power using soft switch before and after phase
switch by variable PWM-duty.
The width of soft switch before and after switching is controlled by SSW pin voltage. Therefore, it is adjustable by
connecting to SSW and RGL or GND or open. .
When the motor rotation speed is very high, there is possibility to show unstable soft-switching waveform.
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LV8862JA
Description of operation
PWM speed control waveform
PWM
100%
OUT
0%
Low Speed
Stop
High Speed
PWM Control Variable Speed
FG
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10
Full Speed
LV8862JA
Lock protection operation waveform
Stand-by mode operation waveform
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11
LV8862JA
ORDERING INFORMATION
Device
LV8862JA-AH
Package
SSOP16 (225mil)
(Pb-Free / Halogen Free)
Shipping (Qty / Packing)
2000 / Tape & Reel
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without limitation special, consequential or incidental damages. “Typical” parameters which may be provided in SCILLC data sheets and/or specifications can
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