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E910.40 参数 Datasheet PDF下载

E910.40图片预览
型号: E910.40
PDF下载: 下载PDF文件 查看货源
内容描述: 直流马达位置传感器控制 [Sensorless position control of DC-motors]
分类和应用: 传感器微控制器和处理器外围集成电路uCs集成电路uPs集成电路
文件页数/大小: 1 页 / 130 K
品牌: ELMOS [ ELMOS SEMICONDUCTOR AG ]
   
BUS IC
DC/DC CONVERTER
MOTOR DRIVER IC
RIPPLE COUNTER
ÿ
Position control
Position control + driver
Speed control
Ripple detection
DRIVER IC
I/O IC
SENSOR IC
SENSOR INTERFACE IC
ÿ
Sensorless position control of DC-motors
FEATURES
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Supply voltage range VDD
9V
to
16V
Full motor control and diagnosis
Driving a four N-channel-power-MOSFET full bridge
Pulse width modulation with
8bit
resolution for
high side drivers
Drive frequency
23
kHz
Reduced current peaks during motor start
and acceleration
Active motor braking
Motor position determined by sensing motor
current fluctuations
Shortcircuit and overvoltage protected outputs
One pin microprocessor interface with
automatic baud rate recognition
Motor turned off automatically
200
ms after the
last valid transmission
Low standby current (typ. <
200
µA)
40°C
to +
125°C
operating temperature
SO20w package
DESCRIPTION
The IC enables a µC to track the position of a DC-motor by count-
ing its current ripples. The ripple signal is available on an output
pin to connect controllers or dedicated logic. With the bidirec-
tional interface the actual position can be read out and IC param-
eters can be changed. Main parameters are motor direction and
PWM to control high side drivers. The IC can be adapted to differ-
ent motor characteristics by changing the RC-filter on ODIF, IDIF,
OLP and the voltage divider on BRTH.
APPLICATION
ÿ
ÿ
ÿ
Seat adjustment
Steering column adjustment
Fuel pump
PINNING
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Name
GND
VGH1
VGH2
VGL1
VGL2
VDD
BSI
SENSE1
SENSE2
RSR
OLP
IDIF
ODIF
VSA
RB
VREF
BRTH
TEMP
IMP OUT
DATA I/O
Description
Ground
Gate voltage for high side driver
1
Gate voltage for high side driver
2
Gate voltage for low side driver
1
Gate voltage for low side driver
2
Input supply voltage
Input bootstrap voltage
Voltage sense bridge
1
Voltage sense bridge
2
External resistor to adjust slew rate
Output low pass filter
Inverting input differential amplifier
Output differential amplifier
Internal
9V
analog supply
External bias resistor
Internal
5V
supply voltage
Input breake threshold
Input temperature monitor
Incremental output for counting pulses, open drain
Serial data I/O
GND
VGH1
VGH2
VGL1
VGL2
VDD
BSI
SENSE1
SENSE2
RSR
1
2
3
4
5
6
7
8
9
10
E910.40
PACKAGE
20
19
18
17
16
15
14
13
12
11
DATA I/O
IMP OUT
TEMP
BRTH
VREF
RB
VSA
ODIF
IDIF
OLP
BLOCK DIAGRAM
VBAT
VCC
VDD
RB
BIAS
VDD Reg
VGH 1
VGH 2
VSA
AVDD
slewrate
controlled
BSI
VREF
VREF
Control
µC
TEMP
FET
Driver
RSR
M
DATA
Short
Circuit
Detect
VGL 1
VGL 2
SENSE 1
SENSE 2
IMPOUT
Incr.
Detect
BRTH
S/H
ODIF
Filter & Amplifier
Note
ELMOS Semiconductor AG (below ELMOS) reserves the right to make changes to the product contained in this publication without notice. ELMOS assumes no responsibility for the use of any
circuits described herein, conveys no licence under any patent or other right, and makes no representation that the circuits are free of patent infringement. While the information in this publication
has been checked, no responsibility, however, is assumed for inaccuracies. ELMOS does not recommend the use of any of its products in life support applications where the failure or malfunction of
the product can reasonably be expected to cause failure of a life-support system or to significantly affect its safety or effectiveness. Products are not authorized for use in such applications.
Copyright ©
2005
ELMOS
Reproduction, in part or whole, without the prior written consent of ELMOS, is prohibited.
www.elmos.de | sales@elmos.de
VREF
IDIF
OLP
46
elmos product catalog june
2005
47