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ZXBM1016ST20TC

P1-P3P4-P6P7-P9P10-P12
Issue 1 - February 2007 1 www.zetex.com
© Zetex Semiconductors plc 2007
ZXBM1016
High efficiency variable speed single-phase fan motor controller
Description
Ordering information - TSSOP20
Device marking
ZETEX
ZXBM1016
Date code
The ZXBM1016 is a high efficiency, low noise,
single-phase, DC brushless motor pre-driver
with PWM variable speed control and current
control suitable for fan and blower motors.
High efficiency and low noise are achieved
using a novel technique (patent pending) for
commutation current control.
The controllers are primarily intended to meet
industry standard OEM fan specifications where
external PWM control are applied, however,
they can also be used with other thermal control
techniques using an external voltage, PWM
signal or thermistor.
Features
• Compliant with external PWM speed control
• Compliant with thermistor control
• Minimum speed setting
• High efficiency utilizing tail-end current control
•Low noise
•Auto restart
• Built in Hall amplifier
• Hall bias
• Speed pulse (FG) output
• Integrated current control
• Up to 18V input voltage (60V with external regulator)
• Small TSSOP20 package
Applications
• Mainframe and personal computer fans and
blowers
• Instrumentation fans
• Central heating blowers
• Automotive climate control
Applications circuit
Device Reel size
(inches)
Tape width
(mm)
Quantity
per reel
ZXBM1016ST20TA 7 (180mm) 16 1000
ZXBM1016ST20TC 13 (330mm) 16 2,500
ZXBM1016
V
CC
H+
H-
C
PWM
C
LCK
SPD
C3C2
C1
1μF
100pF 0.47μF
0V
FG
0.1μF
ThRef
S
MIN
Ph1Lo
Ph2Lo
Gnd
C
INT
Q1- 4
W1
470Ω
R2
470Ω
ZXMC
3A17DN8
FG
Ph1Hi
Ph2Hi
R1
R5
R3
R4
R6
100Ω
100Ω
1kΩ
1kΩ
C6
2.2μF
12V
D1
1N4148
D2
1N4004
SetTh
Sense
CONTROL
C4
R18
10kΩ
R15
R13
R12
R14
R17
R16
1kΩ
4.7kΩ
4.7kΩ
4.7kΩ
1kΩ
47kΩ
Q5
Q6
R10
16kΩ
R9
12kΩ
Hall
R8
470Ω
R7
33kΩ
Rsense
0.1Ω
33
44
5 & 6
5 & 6
7 & 8 7 & 8
2
2
11
Range
H-Bias
C5
0.47μF
SetThRef
R11
220kΩ
TSSOP20
ZXBM1016
Issue 1 - February 2007 2 www.zetex.com
© Zetex Semiconductors plc 2007
Absolute maximum ratings
Electrical characteristics (at T
amb
= 25°C and V
CC
= 12V unless otherwise stated)
Parameter Symbol Limits Unit
Supply voltage V
CCmax
-0.6 to 20 V
Input current I
CCmax
200 mA
Maximum input voltage V
Imax
-0.6 to V
CC
+0.5 V
Maximum output voltage V
Omax
-0.6 to V
CC
+0.5 V
Power dissipation P
Dmax
800 mW
Operating temperature T
OPR
-40 to 85 °C
Storage temperature T
STG
-55 to 125 °C
Parameter Symbol Min. Typ. Max. Unit Conditions
Supply
Supply voltage V
CC
6.7 18 V For valid ThRef
Supply current I
CC
15 20 mA
V
CC
= 12V, no load
(*)
Hall connections
Hall amp input voltage V
IN
40 mV diff p-p
Hall amp common mode voltage
V
CM
0.5 V
CC
-1.5 V
Hall amp input hysteresis V
OFS
12 mV
Hall amp input current I
BS
700 1000 nA
Hall bias voltage V
HB
1.5 1.75 1.95 V I
HBout
= -5mA
Hall bias output current I
HB
-10 mA
Reference voltage
ThRef voltage V
ThRef
4.75 5.0 5.25 V I
OThRef
=-10mA
ThRef output current I
OThRef
-10 mA
PWM oscillator
C
PWM
charge current I
PWMC
-5.3 -7 -9.2 ␮A
C
PWM
discharge current I
PWMD
50 75 100 ␮A
C
PWM
high threshold voltage V
THH
3V
C
PWM
low threshold voltage V
THL
1
V
PWM frequency F
PWM
25 kHz C
PWM
= 0.1nF
Speed control
SPD voltage minimum V
SPDL
1 V 100% PWM drive
SPD voltage maximum V
SPDH
3 V 0% PWM drive
SPD input current I
ISPD
0.8 2 ␮AV
IN
= 2V
Minimum speed setting
S
MIN
input current I
ISMIN
-0.25 -0.5 ␮AV
IN
= 2V
ZXBM1016
Issue 1 - February 2007 3 www.zetex.com
© Zetex Semiconductors plc 2007
Parameter Symbol Min. Typ. Max. Unit Conditions
Tail-end current control
Range pin input current setting
range
I
Range
4 50␮A
Range pin input voltage V
IN
0.50 0.65 0.75 V Input current = 20␮A
C
LCK
charge current - lock I
LCKCL
-0.75 -1.42 -1.8 ␮A
Lock mode, V
CLCK
= 2.5V
C
LCK
charge current - run I
LCKCR
-(4xI
Range
) ␮A Run mode
C
LCK
discharge current - lock I
LCKDL
0.8 0.8 1.25 ␮A
Lock mode, V
CLCK
= 2.5V
C
LCK
high threshold voltage V
THH
5V
C
LCK
low threshold voltage V
THL
1 V Lock mode
C
INT
input current - lock I
INTCL
-50 300n nA
Lock mode, V
CLCK
= 2.5V
C
INT
charge current - run I
INTCR
-1 mA Run mode
C
INT
discharge current - run I
INTDR
0.8xI
Range
␮A Run mode
Current limit
SetThRef output voltage
V
SetThRef
ThRef-
0.5V
ThRef-
0.25V
VI
SetThRef
=200␮A
SetThRef output current I
SetThRef
-200 ␮A
Sense input current I
Sense
-20 -100 nA V
IN
=1V, SetTh=2V
SetTh input current I
SetTh
-20 -100 nA V
IN
=2V, sense=1V
Output drives
Ph1Lo, Ph2Lo output high voltage
V
OH
V
CC–
2.2
V
CC–
1.8 V I
OH
=80mA
Ph1Lo, Ph2Lo output low voltage
V
OLA
0.4 0.6 V
I
OL
=16mA
(†)
Ph1Lo, Ph2Lo output low voltage
V
OLB
0.4 0.6 V
I
OL
=50␮A
(‡)
Ph1Lo, Ph2Lo output source
current
I
OH
-80 mA
Ph1Lo, Ph2Lo output sink current
I
OL
80 mA
Ph1Hi, Ph2Hi output low voltage
V
OLA
0.5 0.75 V I
OL
=100mA
Ph1Hi, Ph2Hi output sink current
I
OL
100 mA
Ph1Hi, Ph2Hi off output
leakage current
I
OFF
±100 nA
Output flag
FG output current I
OL
16 mA
FG low level output voltage V
OL
0.5 V I
OL
= 16mA
NOTES:
(*) Measured with pins H+, H-, C
LCK
and C
PWM
= 0V and all other signal pins open circuit.
(†) Measured when opposing phase output is low.
(‡) Measured when opposing phase output is high.
P1-P3P4-P6P7-P9P10-P12

ZXBM1016ST20TC

Mfr. #:
Buy ZXBM1016ST20TC
Manufacturer:
Description:
Motor / Motion / Ignition Controllers & Drivers SINGLE PHSE PRE-DRVR W/TAIL END CURR CTRL
Lifecycle:
New from this manufacturer.
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