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PDF ZXBM1016 Data sheet ( Hoja de datos )
| Número de pieza | ZXBM1016 | |
| Descripción | High efficiency variable speed single-phase fan motor controller | |
| Fabricantes | Zetex Semiconductors | |
| Logotipo |  |
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ZXBM1016
High efficiency variable speed single-phase fan motor controller
www.DataSheet4U.com
Description
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.
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 circuit
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.
Applications
• Mainframe and personal computer fans and
blowers
• Instrumentation fans
• Central heating blowers
• Automotive climate control
12V
D1
1N4148
C1
1μF
VCC
H+
Hall
R14
47kΩ
R12
1kΩ
R17
10kΩ
Q5
CONTROL
R15
4.7kΩ
R16
4.7kΩ
R13
1kΩ
FG
Q6
C4
0.1μF
R18
4.7kΩ
0V
R9
12kΩ
R10
16kΩ
C2
100pF
H-Bias
H-
ThRef
SPD
SMIN
CPWM
CLCK
R11 Range
C3 220kΩ
0.47μF
ZXBM1016
D2
1N4004
Ph2Hi
R6
1kΩ
R5
100Ω
Ph1Lo R1
470Ω
Ph2Lo R2
470Ω
Ph1Hi R3
100Ω
SetThRef
4
2
R7
Sense 33kΩ
33
Q1-4
ZXMC
3A17DN8
5&6
5&6
7 & 8 W1 7 & 8
11
SetTh
FG
CINT
Gnd
R8
470Ω
C5
0.47μF
Rsense
0.1Ω
R4
1kΩ
4
C6
2.2μF
2
TSSOP20
Ordering information - TSSOP20
Device
ZXBM1016ST20TA
ZXBM1016ST20TC
Device marking
ZETEX
ZXBM1016
Date code
Reel size
(inches)
7 (180mm)
13 (330mm)
Issue 1 - February 2007
© Zetex Semiconductors plc 2007
Tape width
(mm)
16
16
1
Quantity
per reel
1000
2,500
www.zetex.com
1 page  
ZXBM1016
Pin description table
Pin Type Description
VCC Power The positive supply pin
Gnd
Power The negative supply pin
ThRef Reference A 5 volt reference for external networks
H-Bias Reference A nominal 1.75V reference used as the supply for naked Hall sensors
H+ Input Hall device positive input. When high in relation to H- Ph2 is active
H- Input Hall device negative input
SPD
Input
Speed control input voltage, typically from a PWM integrator or
thermistor.
When low in relation to CPWM the phase low outputs will be turned on
SMIN
Input Used to set a voltage that represents the minimum speed the motor is to
run at
CPWM
Input A capacitor on this pin is used to set the PWM frequency
CLCK
Input A dual use pin used to set the lock and tail-end current control timing.
This will typically be a 470nF capacitor
Range
Input A resistor is attached between this pin and ThRef to set the device’s
dynamic operating range to the motor’s desired speed range
CINT
Input A capacitor is attached to this pin for use by the tail-end current control.
This will normally be the same value as that on the CLCK Pin
FG Output Open collector buffered output from the Hall sensor
SetTh
Input Used to set the threshold voltage that represents the maximum current
to be taken by the motor
Sense
Input Input for the signal from a sense resistor in the ground return of the
H-bridge driving circuit used to represent the current taken by the motor
SetThRef Analogue A variable voltage source used to set the voltage on the SetTh pin
Ph1Hi Output Phase 1 high power output to high-side of H-bridge
Ph2Hi Output Phase 2 high power output to high-side of H-bridge
Ph1Lo Output Phase 1 high power output to low-side of H-bridge
Ph2Lo Output Phase 2 high power output to low-side of H-bridge
Operational functional description
Overview
The ZXBM1016 is a high efficiency, low noise, single-phase DC brushless motor pre-driver. It uses
voltage speed control and this voltage can be derived from either a PWM or thermistor source.
The device contains proprietary circuitry to control and limit the current at the end of a
commutation cycle. This tail-end current control (TECC) enables the use of lower rated
components thus providing for a more economic and higher efficiency solution.
The pre-driver also has the usual minimum speed setting and maximum current control
functions.
Issue 1 - February 2007
© Zetex Semiconductors plc 2007
5
www.zetex.com
5 Page 
Package outline - TSSOP20
D
ZXBM1016
E1 E
L
c
A2 A
b e A1
Dim.
A
A1
A2
D
E
L
e
b
c
Millimeters
Min. Max.
- 1.20
0.05 0.15
0.80 1.05
6.40 6.60
6.40 BSC
0.45 0.75
0.65 BSC
0.19 0.30
0.09 0.20
Inches
Min. Max.
- 0.047
0.002 0.006
0.031 0.041
0.252 0.260
0.252 BSC
0.018 0.030
0.026 BSC
0.007 0.012
0.004 0.008
Note: Controlling dimensions are in millimeters. Approximate dimensions are provided in inches
Issue 1 - February 2007
© Zetex Semiconductors plc 2007
11
www.zetex.com
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet ZXBM1016.PDF ] | |
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