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PDF AN44150A Data sheet ( Hoja de datos )
| Número de pieza | AN44150A | |
| Descripción | 3-Phase Brushless Motor Drive IC | |
| Fabricantes | Panasonic | |
| Logotipo |  |
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DReovcisNioon. . T1A4-EA-06256
Product Standards
AN44150A
Realizing in One IC,
PWM Output Open Control by External PWM Signal and
PWM Output Loop Control by External DC Voltage and Current Peak Detection.
3-Phase Brushless Motor Drive IC
Features
Applications
Supply voltage range: 6.0 V to 36 V
Driver IC for 3-phase brushless motor
Built-in 5-V regulator
3-phase 120-deg--energization drive system by 3-Hall-sensor
Drive control mode is selectable:
･PWM open control by an external PWM signal
Package
(PWM through drive)
･PWM loop control by external DC
detection. (OFF time fixed current
voltage and current peak
peak detection PWM drive)
24-pin plastic
(QFN type,
quad flat non-lead package
size: 4 mm 4 mm)
OFF time setting switching function
Rotation direction switching function
FG pulse switching function (1FG or 3FG)
Short-brake/Free-running function
Built in various protection functions: under voltage lock out
(UVLO), thermal protection, motor restricted protection ,
overcurrent protection and drive output short protection
Summary
AN44150A is a driver IC for 3-phase brushless motor.
The rotor position detection by a 3-Hall-sensor and a 120-deg--energization drive system are adopted.
It is selectable the PWM through drive mode or the OFF time fixed current peak detection PWM drive mode.
Low power consumption of a motor module is realized, and it contributes to the application expansion of
various motor units.
Application Circuit Example
CVPUMP
RFG
BR 19
FG 20
CCLDOSC FR 21
CLDOSC 22
PWMIN/VSP 23
OFFSW 24
12 INSEL
11 VCC
CVCC1 CVCC
10 BC1
9 BC2 CBC CVREG
8 VREG
7 GND
( CHW CHV CHU ) ( )( )( ) RVH1 VCC
Motor Drive Waveform
AN44150A U,V,W,FG output voltage waveform
[V,I] U,V,W output current waveform
FG
(10V/div)
VU
(50V/div)
VV
(50V/div)
VW
(50V/div)
IU
(1A/div)
IV
(1A/div)
IW
(1A/div)
time [s]
2ms/div
Note: In the above circuit example, It‘s not that the operation of
the volume production is guaranteed. When designing a mass
production set, after having conducted an evaluation and
verification enough, use it with the customer's responsibility.
Established : 2014-05-14
Revised : ####-##-##
Conditions: PWMIN mode, PWMIN=20kHz, 50%duty
VCC = 24 V, VFR = H, FGSEL=L
Page 1 of 40
1 page  
DReovcisNioon. . T1A4-EA-06256
Electrical Characteristics
at Vcc=24V,
Note: Ta = 25C2C unless otherwise noted.
Parameter
Symbol
Condition
Circuit current
VCC current
VCC current at STBY mode
Power block
Output on-resistance
Output leak current
Diode forward voltage
5V regulator block
VREG voltage
Voltage regulation
Load regulation
CLD oscillator circuit
High level output voltage
Low level output voltage
Amplitude
External capacitor charge current
External capacitor discharge
current
Oscillation frequency
Hall block
Input bias current
Input dynamic range
Hysteresis width
Hysteresis level: L H
Hysteresis level: H L
Hall input sensitivity
Common-mode input voltage
range
Notes : *2 Typical design value
ICC1
—
ICC2 at STBY mode
RONHL
I = ±1A
(High side + Low side)
Vcc=12V
IPL
VDI I = 1A
—
VVREG
—
ΔVREG1 Vcc=6～36V, Io=-5mA
ΔVREG2 Io=-5m～-10mA
VOHCLD
VOLCLD
VCLD
ICLD1
Design target value
Design target value
—
Vcld=1.5V
ICLD2 Vcld=1.5V
C=0.022uF
FCLD (Design target value)
IHALL
VHALL
VOVhys
VHYS1
VHYS2
VHIN
VICM
—
—
—
—
—
—
One side input bias
Established : 2014-05-14
Revised : ####-##-##
Product Standards
AN44150A
Limits
Unit Note
Min Typ Max
— 2.4 3.8 mA
— 350 700 uA
0.7 1.14 1.55
— 10 50 uA
— 1 1.6 V
4.7 5 5.3 V
— 20 50 mV
— 50 100 mV
—
—
1.3
-17.6
2.5
0.5
2.0
-12
— V *2
— V *2
2.7 Vpp
-6.4 uA
6.4 12 17.6 uA
— 136 — Hz *2
–2 0
2 uA
0
—
VREG
-1.7
V
9 20 35 mV
3 10 17 mV
-17 -10
-3 mV
80
—
—
mV
p-p
0 — VREG V
Page 5 of 40
5 Page 
DReovcisNioon. . T1A4-EA-06256
Product Standards
AN44150A
■ Functional Pin Table
1. Selection of PWMIN mode or VSP mode (selectable by INSEL pin)
Pin name
Input
Status
Description
INSEL
H(VCC)
L(GND)
PWMIN mode
VSP mode
External PWM signal is input and the PWM through
drive mode which carries out open control of the
output is chosen.
External DC voltage is input and the OFF time fixed
PWM drive mode which carries out loop control of
the output by current peak detection is chosen.
2. Selection of FG output
FGSEL
H(VREG)
L(GND)
3. Selection of Fixed OFF time
OFFSW
H(VREG)
L(GND)
4. Function of Brake
H or Open
BR
L
5. Function of Forward/Reverse
H or Open
F/R
L
6. PWMIN/VSP pin input.
Selection mode Pin condition
3FG
1FG
OFF time 1
OFF time 2
SBRK
Normal
Forward
Reverse
Drive mode
PWMIN mode
(INSEL=H)
→PWM signal
input
VSP mode
(INSEL=L)
→DC voltage
input
PWM signal
input
Normal Drive
0% duty
input
Free Run
VSP voltage of
1V to 2.5V is
input.
Normal Drive
VSP<0.9V
VSP>2.5V
Free Run
MAX Drive
3FG pulse output
1FG pulse output
2.2u sec
7.0u sec
Low side : Short brake
Normal drive.
Rotation U→V→W
Rotation W→V→U
Description
An output power transistor is made to drive by the
frequency and duty of an input PWM signal.
PWMIN=L → Low side power : ON
PWMIN=H → Low side power : OFF
If H level mode of an input PWM signal is continued
in about 5 msec, it judges with duty 0% and will be
in a free-run mode.
The input range of VSP voltage is 1V to 2.5V.
It is made to drive by the current peak detection
according to VSP voltage and the resistance of the
RCS pin.
It will be in a free-run mode by VSP<0.9V.
It drives in the mode of VSP=2.5V.
Established : 2014-05-14
Revised : ####-##-##
Page 11 of 40
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet AN44150A.PDF ] | |
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