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PDF AM6807 Data sheet ( Hoja de datos )
| Número de pieza | AM6807 | |
| Descripción | 3 Phase BLDC Motor Pre-Driver | |
| Fabricantes | AMtek | |
| Logotipo |  |
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AM6807
Motor Driver ICs
3 Phase BLDC Motor Pre-Driver AM6807
The AM6807 is developed to drive 3 phase BLDC. Package material is Pb-Free for purpose of
environmental protection.
z Applications
High power BLDC
z Features
1) Pre-driver for MOS-FET driving
2) Built in charge pump.
3) Built in FG Amp, hys Amp.
4) Built in Current Limit.
5) PWM drive.
6) Built-in Forward /Reverse Switching
Circuits.
7) Built-inDirect PWM Mode Control Circuits.
8) Under Voltage protection.
9) Short brake mode.
10) Non-overlap design between Hi/Low side
motor.
z Absolute Maximum Ratings (Ta = 25℃)
Parameter
Symbol
Limits
Supply voltage
VCC 36
Pin Input voltage
Vin VREG
Power dissipation
Pd 1.7*
Operate temperature range
Storage temperature range
*70mm×70mm×1.6mm glass epoxy board.
Topr
Tstg
-10～＋75
-40～＋150
*Reducing in done at 13.6mW/℃ for operating above Ta = 25℃.
**Do not exceed Pd ASO and Tj = 150℃.
z Recommended operating conditions
(Set the power supply voltage taking allowable dissipation into considering)
Unit
V
V
W
℃
℃
Parameter
Operating supply voltage range
Symbol
Vcc
Min
Typ
16~28
Max
Unit
V
http://www.amtek-semi .com
Specifications subject to change without notice
-1-
JUN. 2008 V1.22
1 page  
z Block Diagram
AM6807
Motor Driver ICs
C102
CP1 CP2
C111
OSC
OSC
HW HV HU
C103
Vb
R110
HW+
HW-
HV+
HV-
HU+ Vcc
HU-
Regurater
6V/10.5V
R101 Q101
VREG
R102
FG sout
FG R108
C110
C108R107
FG out
FGin-
-
C109
FGin+
F/R
TSD Hall AMP
UHG
ULG
VHG
VLG
RDS035
L03
RDS035
L03
DPWM
Charge
Pump
PMW
WHG
WLG
CPout
ACC DEC
RCP Pref
R109
C107
C106
R106
-
Rfe Cfe CNF
C104
R105
C112
CL R104
GND
C105
R103
RDS035
L03
M
RDS035L03
http://www.amtek-semi .com
Specifications subject to change without notice
-5-
JUN. 2008 V1.22
5 Page 
AM6807
Motor Driver ICs
z Input-Output Table (U = [H], indicates a condition in which U+ > U-).
Condition 1
Condition 2
Condition 3
Condition 4
Condition 5
Condition 6
Input Condition
F/R =H
U VW
L LH
L HH
LHL
HH L
HL L
HLH
F/R =L
U VW
HH L
HL L
HLH
L LH
L HH
LHL
Output Condition
Upper side FET Lower side FET
gate Voltage
gate Voltage
357468
UHG VHG WHG ULG VLG WLG
LHL L LH
HL L L LH
HL L LHL
L LHLHL
L LHHL L
LHLHL L
Hall input voltage
Ｈ:1.3V
M:1.2V
L:1.1V
Upper side FET gate voltage
L≦1V , Vb-1V≦H
Lower side FET gate voltage
L≦1V , 9V≦H
The rotation between F/R input and the motor rotation direction as below:
F/R Input and Motor Rotation
F/R Direction
L U→V→W
H U→W→V
http://www.amtek-semi .com
Specifications subject to change without notice
- 11 -
JUN. 2008 V1.22
11 Page | ||
| Páginas | Total 29 Páginas | |
| PDF Descargar | [ Datasheet AM6807.PDF ] | |
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