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drive system. BA6868FM Datasheet

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drive system. BA6868FM Datasheet






BA6868FM system. Datasheet pdf. Equivalent




BA6868FM system. Datasheet pdf. Equivalent





Part

BA6868FM

Description

Direct PWM pseudo-linear drive system



Feature


STRUCTURE PRODUCT SERIES TYPE FUNCTION Silicon monolithic integrated circuits 3-phase motor driver for VTR capstan BA 6868FM ・Direct PWM pseudo-linear driv e system ・Built-in torque ripple canc eling circuit ○Absolute maximum rati ngs (Ta=25℃) Parameter Symbol Limi t Unit Supply voltage Power dissipati on VCC VM Pd 7 22 2.20※1 V V W In put voltage Maximum output c.
Manufacture

Rohm

Datasheet
Download BA6868FM Datasheet


Rohm BA6868FM

BA6868FM; urrent VIN IOUT 0~VCC 1800※2 V mA Operating temperature range Topr -2 5~+75 ℃ Storage temperature range Tstg -55~+150 ℃ Junction tempera ture Tjmax 150 ℃ ※1 70mm×70mm 1.6mm glass epoxy board. Derating in d one at 17.6mW/℃ for operating above T a=25℃. ※2 Do not, however exceed P d, ASO and Tjmax=150℃. ○Recommende d operating conditions (Ta= -25~+75℃) Paramet.


Rohm BA6868FM

er Symbol Supply voltage VCC VM Hall amp in-phase input voltage range VCH Min 4.5 4.0 1.5 Typ Max Unit 5 6.0 V 12 20.5 V - VCC-1.7 V This product described in this specification isn’ t judged whether it applies to COCOM re gulations. Please confirm in case of ex port. This product isn’t designed for protection against radioactive rays. 1/4 REV. B 2/4 ○Ele.


Rohm BA6868FM

ctrical characteristics (Unless otherwis e specified, Ta=25℃, VCC=5V, VM=12V) Parameter Symbol Limit Min Typ Over all Circuit current Icc - 11 Hall in put Hall input conversion offset Heof s -10 - Hall element power supply vo ltage VHp 2.45 2.65 Torque reference Torque reference offset voltage ECofs -120 - Torque reference input gain Gio 0.95 1.07 Outp.

Part

BA6868FM

Description

Direct PWM pseudo-linear drive system



Feature


STRUCTURE PRODUCT SERIES TYPE FUNCTION Silicon monolithic integrated circuits 3-phase motor driver for VTR capstan BA 6868FM ・Direct PWM pseudo-linear driv e system ・Built-in torque ripple canc eling circuit ○Absolute maximum rati ngs (Ta=25℃) Parameter Symbol Limi t Unit Supply voltage Power dissipati on VCC VM Pd 7 22 2.20※1 V V W In put voltage Maximum output c.
Manufacture

Rohm

Datasheet
Download BA6868FM Datasheet




 BA6868FM
STRUCTURE
PRODUCT SERIES
TYPE
FUNCTION
Silicon monolithic integrated circuits
3-phase motor driver for VTR capstan
BA6868FM
Direct PWM pseudo-linear drive system
Built-in torque ripple canceling circuit
Absolute maximum ratings (Ta=25)
Parameter
Symbol
Limit
Unit
Supply voltage
Power dissipation
VCC
VM
Pd
7
22
2.201
V
V
W
Input voltage
Maximum output current
VIN
IOUT
0VCC
18002
V
mA
Operating temperature range
Topr
-25+75
Storage temperature range
Tstg -55+150
Junction temperature
Tjmax
150
1 70mm×70mm×1.6mm glass epoxy board. Derating in done at 17.6mW/for operating above Ta=25.
2 Do not, however exceed Pd, ASO and Tjmax=150.
Recommended operating conditions (Ta= -25+75)
Parameter
Symbol
Supply voltage
VCC
VM
Hall amp in-phase input voltage range
VCH
Min
4.5
4.0
1.5
Typ Max Unit
5 6.0 V
12 20.5 V
-
VCC-1.7
V
This product described in this specification isn’t judged whether it applies to COCOM regulations.
Please confirm in case of export.
This product isn’t designed for protection against radioactive rays.
1/4
REV. B




 BA6868FM
2/4
Electrical characteristics (Unless otherwise specified, Ta=25, VCC=5V, VM=12V)
Parameter
Symbol
Limit
Min Typ
Overall
Circuit current
Icc - 11
Hall input
Hall input conversion offset
Heofs
-10
-
Hall element power supply voltage
VHp 2.45 2.65
Torque reference
Torque reference offset voltage
ECofs
-120
-
Torque reference input gain
Gio 0.95 1.07
Output idling voltage
ECidle
-
-
ECR bias voltage
VECR 2.0 2.2
Torque limit
TL-CS offset voltage
TL-CSofs
39
56
Ripple canceling
Ripple canceling rate
VRcc
6.3 9.0
Forward / reverse rotation selection
Forward rotation reference voltage range
VEDF
-
-
Reverse rotation reference voltage range
VEDR
2.8
-
Output
High output voltage
VOH
0.63 0.90
Low output voltage
VOL
0.42 0.60
oscillator
High OSC voltage
VOSCH
17
2.1
Low OSC voltage
VOSCL
1.0
1.2
Oscillating frequency
FOSC 30 50
Unit
Max
Conditions
17 mA Ec=GND, input LLH
10 mV
2.85 V IH+=9mA
+120
1.18
10
2.4
mV
A/V RNF=0.5Ω
mV
V
73 V
11.7 % Input LLHLMH
2.2 V
-V
1.17 V IOUT=-350mA
0.78
V IOUT=350mA, RNF=0.5Ω
2.5 V
1.4 V
70 kHz COSC=1000pF
REV. B




 BA6868FM
Package outline
BA6868FM
Product
No.
Lot No.
HSOP-M28 (Unit: mm)
Block diagram
PCV
SGND
N.C.
TSD
OSC oscillation
RCC
ECR
CNF
Ripple
cancel
-
+
ECAmp
FIN
Saturation prevention
for high and low sides
A 1A 2A 3
Hall Amp
+
-
+
-
+
-
Rotation
direction
PCI
H2+
H2-
H1+
H1-
H3+
H3-
FIN
MGND
TL
EC
ED/S
CS
RNF
N.C.
Com
Signal synthesization
+
-
CSAmp
A3
output
A2
A1
Hall
power
supply
VH+
VCC
VM
N.C.
A3
A2
A1
Pin No. / Pin name
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Pin name
PCV
SGND
N.C.
OSC
RCC
ECR
CNF
MGND
TL
EC
ED/S
CS
RNF
N.C.
A1
A2
A3
N.C.
VM
Vcc
VH+
H3-
H3+
H1-
H1+
H2-
H2+
PCI
REV. B
3/4






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