Diodes ZXBM1004 User Manual
SEMICONDUCTORS
ZXBM1004
VARIABLE SPEED SINGLE-PHASE BLDC MOTOR CONTROLLER
DESCRIPTION
The ZXBM1004 is a single-phase, DC brushless motor pre-driver with PWM
variable speed control suitable for fan and blower motors. The controller is
intended for applications where the fan or blower speed is controlled by an
external PWM signal, thermistor or DC voltage.
FEATURES
Compliant with external PWM speed control
•
Compliant with thermistor control
•
Minimum speed setting
•
Low noise
•
Auto restart
•
Built in hall amplifier
•
Speed pulse (FG) and lock rotor (RD) outputs
•
Up to 18V input voltage (60V with external regulator)
•
QSOP16 package
•
Q
O
1
6
P
S
Associated application notes:-
AN41 - Thermistor control
AN42 - External PWM control
AN43 - Interfacing to the motor windings
APPLICATIONS
•
Mainframe and personal computer fans and blowers
•
Instrumentation fans
•
Central heating blowers
•
Automotive climate control
ORDERING INFORMATION - QSOP16
DEVICE
ZXBM1004Q16TA
ZXBM1004Q16TC
REEL SIZE TAPE WIDTH QUANTITY PER REEL
7" (180mm)
13" (330mm)
DEVICE MARKING
•
ZETEX
ZXBM
1004
ISSUE 6 - MAY 2007
12mm
12mm
500
2,500
1
ZXBM1004
SEMICONDUCTORS
ABSOLUTE MAXIMUM RATINGS
PARAMETER SYMBOL LIMITS UNIT
Supply voltage V
Input current I
Input voltage V
Output voltage V
Power dissipation P
Operating temp. T
Storage temp. T
CCmax
CCmax
max
IN
OUT
Dmax
OPR
STG
max
-0.6 to 20 V
200 mA
-0.5 to V
-0.5 to V
-40 to 110 ⬚C
-55 to 150 ⬚C
+0.5 V
CC
+0.5 V
CC
500 mW
Power Dissipation
1) Maximum allowable Power Dissipation, PD,
is shown plotted against Ambient Temperature,
T
, in the accompanying Power Derating Curve,
A
indicating the Safe Operating Area for the device.
2) Power consumed by the device, P
calculated from the equation:
P
= PQ+ P
T
where PQis power dissipated under quiescent
and P
+ P
PhHi
PhLo
current conditions, given by:
P
= Vcc x Icc
Q
where Vcc is the application
device Supply Voltage
and Icc is the maximum Supply
Current given in the Electrical
Characteristics
is power generated due to eitheroneof
PhHi
the phase outputs Ph1Hi or Ph2Hi being
active, given by:
P
= IOLx V
PhHi
where IOLis the application Ph1Hi and Ph2Hi
and V
OL
output currents
is the maximum Low Level
OL
Output Voltage for the Ph1Hi and
Ph2Hi outputs given in the Electrical
Characteristics
, can be
T
and P
is power generated due to eitheroneof
PhLo
the phase outputs Ph1Lo or Ph2Lo being
active, given by:
P
= IOHx (VCC- VOH)
PhLo
where I
is the application Ph1Lo andPh2Lo
OH
output currents
and Vcc is the application device Supply
Voltage
and V
is the minimum High Level
OH
Output Voltage for the Ph1Lo and
Ph2Lo outputs given in the Electrical
Characteristics
ISSUE 6 - MAY 2007
2
ZXBM1004
SEMICONDUCTORS
ELECTRICAL CHARACTERISTICS (at T
amb
PARAMETER SYMBOL
Supply voltage V
Supply current I
Hall amp input voltage V
Hall amp common mode voltage V
Hall amp input offset V
Hall amp bias current I
Ph1Lo, Ph2Lo output high voltage
Ph1Lo, Ph2Lo output low voltage
Ph1Lo, Ph2Lo output low voltage
Ph1Lo, Ph2Lo output source current
Ph1Lo, Ph2Lo output sink current
Ph1Hi, Ph2Hi output low voltage
Ph1Hi, Ph2Hi output sink current
C
charge current
PWM
discharge current I
C
PWM
high threshold voltage V
C
PWM
low threshold voltage V
C
PWM
PWM frequency F
ThRef voltage V
ThRef output current I
input current I
S
MIN
SPD voltage minimum V
SPD voltage maximum V
SPD input current I
C
charge current I
LCK
discharge current I
C
LCK
high threshold voltage V
C
LCK
low threshold voltage V
C
LCK
CC
CC
IN
CM
OFS
BS
V
OH
V
OLA
V
OLB
I
OH
I
OL
V
OL
I
OL
I
PWMC
PWMD
THH
THL
PWM
ThRef
OThRef
ISMIN
SPDL
SPDH
ISPD
LCKC
LCKD
THH
THL
Lock condition On:Off ratio
FG & RD output current I
FG & RD low level output voltage V
OL
OL
= 25°C & VCC= 12V)
MIN. TYP. MAX. UNIT
4.7 18 V
6 8.5 mA No load
40 mV diff p-p
0.5 VCC-1.5 V
⫾7mV
400 650 nA
VCC-2.2 VCC-1.8 V IOH=80mA
0.4 0.6 V IOL=16mA
0.4 0.6 V IOL=50A
-80 mA
16 mA
0.5 0.7 V
100 mA
-6.2 -7.6 -9 A
65 80 95 A
2.9533.15V
0.9411.11V
24 kHz
2.925 3.0 3.14 V
-0.2 -1 mA
-0.25 -0.5 A
1V
3V
-0.8 -2 A
-2 -3 A
0.2 0.35 A
3V
1V
1:12
5mA
0.5 V
CONDITIONS
I
=100mA
OL
C
PWM
I
OThRef
Vin = 2V
100% PWM drive
0% PWM drive
Vin = 2V
I
=5mA
OI
(1)
(2)
(3)
=0.1nF
=-100A
Notes:
(1) Measured with pins H+, H-, C
(2) Measured when opposing phase output is low.
(3) Measured when opposing phase output is high.
and C
LCK
= 0V and all other signal pins open circuit.
PWM
ISSUE 6 - MAY 2007
3
ZXBM1004
SEMICONDUCTORS
Vcc
SPD
H+
H-
Gnd
Ph1Lo
Ph2Lo
C
PWM
CLCK
FG
ZXBM1004
QSOP16
RD
V+OP
ThRef
S
MIN
1
Ph1Hi
Ph2Hi
Block diagram
Pin assignments
ISSUE 6 - MAY 2007
4
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