ELMOS E910.46

BUS IC
DC/DC CONVERTER
MOTOR DRIVER IC
RIPPLE COUNTER
DRIVER IC
I/O IC
SENSOR IC
SENSOR INTERFACE IC
Fan control
ÿ EC motor control
Steppermotor driver
ment a motor regulator together with n-channel power FET B6-
driver technology
configuration and a µC The programmability of parameters (e.g.
ÿ
ÿ
ÿ
Three current measurement amplifiers and
threshold values of over current, over temperature, motor fail-
programmable over current protection
ures, EMC conditions, etc.) can be used to drive motors in a widely
On chip and external over temperature detection
different range. These programmability features and the driver
and protection
channel control inputs and allow this chip to act in general motor
Programmable analog measurement channels
regulator applications, too. The special programmable switching
(temperature and motor currents)
technology (pendingpatent) enables an excellent EMC behavior.
ÿ
Position detection by BEMF
ÿ
Sleep / Wake up mode system
The device works in typical motor regulator systems as physical
ÿ
5V or 3.3V interface to control device
interface between a µC or a special controller hardware and the
ÿ
Developmentkits available (programmable board
power FET-motor load configuration. The user has the complete
and software with PC Interface)
control over the logical behaviour by software implementation in
ÿ
– 40°C to + 125°C operating temperature
the µC. In this way all control/regulation strategies of the motor
ÿ
PLCC68 package
can be realised by software development.
VBAT
RREF
IREF
slewrate
control
POS_x 3
40
T2
T3
3 Gx_HI
SPI
S/H
control
+
3 ISENH_x
_
3 ISENL_x
overcurrent detection
3 PH_x
SP (opt.)
digital
PFET Monitor
PROG
+
slewrate
control
T4
VS
3 Gx_L0
VDD
prog.
_
ext. & int.
overtemperature detection
SH_x 3
A_CUR_SH_x 3
SIGN_x 3
T1
prog.
analog
VDS_OVER_xH 3
VDS_OVER_xL 3
VS
VCP
Fail
Wake
x-HI 3
x-LO 3
µC
VDD3
analog
MUX
ANAMUX
IP
R1
ϑ
T5
T6
Rmeas
MISO
MOSI
SCL
CS
Charge
Pump
digital bus
CCP
CP1
CP2
VDD
Rmeas (optional)
Rmeas
VDD
IREF
VBAT
VCP
analog bus
CVCP
optional
Rmeas
BLOCK DIAGRAM
9
10
ANAMUX
67 66
65 64
n.c.
61
60
CP1
SH_A 11
59
VPUMP
SH_B 12
58
VDD12P
CP2
SH_C 13
57
56
55
GA_HI
54
PHB
VDD3 17
53
GB_HI
VSSA 18
52
PHC
CS 19
51
GC_HI
SCL 20
50
SP
MOSI 21
49
n.c.
MISO 22
48
GA_LO
Reference current output
11-13
SH_[A-C]
Sample and hold control
input, channel [A-C]
14-16
SIGN[A-C]
Sign of current output, channel [A-C]
17
VDD3
18
VSSA
Analog ground
19
CS
Enable signal of SPI
20
SCL
Clock of SPI
21
MOSI
Data input of SPI
22
MISO
Data output of SPI
23
FAIL
Failure signal, high active
24
WAKE
Wake up signal, low active
Pin
Name
Description
25-27
POS_[A-C]
Position signal of BEMF
detection, channel [A-C]
50
SP
Star point connection
28-29
VDS_OVER_A[H,L]
51
GC_HI
Driver output, gate HS
power FET, channel C
30-31
VDS_OVER_B[H,L]
52,54, 56
PHC, PHB, PHA
Phase C-A
53
GB_HI
Driver output, gate HS
power FET, channel B
55
GA_HI
FAIL 23
47
n.c.
WAKE 24
46
GB_LO
POS_A 25
45
n.c.
POS_B 26
44
GC_LO
27
3.3 V or 5 V supply of
control interface
28 29
30 31 32 33 34
35 36
37 38
39 40
41 42
43
AVAILABILITY
Samples
Series
available
tbd.
32-33
VDS_OVER_C[H,L]
VDS detection, high/low
side switch, channel C
34
VDD3
3.3V or 5V supply of control interface
35
AGND
Analog ground
57
CP2
36-38
[A-C]_HI
Ctrl input of HS switch,
channel [A-C], high active
58,63
VBAT, VS
12V supply, high voltage supply
39-41
[A-C]_LO
Ctrl input of LS switch,
channel [A-C], high active
59
VPUMP
Pumped voltage, storage
capacitor connection
42
VS
12V supply
60
CP1
Switch capacitor connection
1 of charge pump
43
PGND
Power ground
62
PGND
Power ground
44,46
GC_LO, GB_LO
Driver output, gate LS
FET, channel c/b
64,66
ISENH_C, ISENL_C
Pos/Neg current measurement
input, channel C
48
GA_LO
67-68
ISENH_B, ISENL_B
Driver output, gate LS
power FET, channel A
PHA
SIGNB 15
SIGNC 16
IREF
VDS detection, high/low
side switch, channel B
63 62
SIGNA 14
Analog MUX output
VDS detection, high/low
side switch, channel A
PGND
68
VDD42
1
ISENH_C
2
n.c.
3
ISENL_C
Temperature sensor input
4
ISENH_B
TP
ISENL_B
8
ISENH_A
A_CUR_SH_[C-A]
ISENL_A
5-7
Current measurement output,
channel [A-C], S&H
DGND
5V supply
VDD5
VDD
5
PGND
Low RF emission due to the field programmable
4
6
VDD12
ÿ
Digital ground
7
C_LO
The IC is a PWM EC brushless motor driver/controller to imple-
DGND
8
B_LO
High power efficiency
3
9
IREF 10
C_HI
ÿ
Negative current measurement
input, channel A
B_HI
DESCRIPTION
ISENL_A
A_HI
Self adjusting driver timing and power FET protection
2
AGND
ÿ
Positive current measurement
input, channel A
VDD3
SPI µP interface
ISENH_A
A_CUR_SH_C
Pumps
1
VDS_OVER_CL
Air-conditioning
ÿ
Description
VDS_OVER_CH
ÿ
Programmability of functions and parameters by
Name
A_CUR_SH_B
FETs (3 high side- and 3 low side switches)
Pin
VDS_OVER_BL
Fan cooler
VDS_OVER_BH
EC or DC motor drive / regulation
ÿ
ANAMUX
ÿ
Drive of up to 6 external n-channel Power
A_CUR_SH_A
High voltage supply in the range VS = 6.0 V to 58 V
ÿ
POS_C
ÿ
PACKAGE
TP
PINNING
VDS_OVER_AL
APPLICATION
VDS_OVER_AH
FEATURES
ÿ
E910.46
system evaluation chip
A_LO
ÿ EC motor control
Driver output, gate HS
power FET, channel A
Switch capacitor connection
2 of charge pump
Pos/Neg current measurement
input, channel B
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.
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elmos product catalog june 2005
41