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LB1668M Datasheet

  • LB1668M

  • Two-Phase Unipolar Drive Brushless Motor Drivers

  • 7頁(yè)

  • SANYO

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Ordering number : EN*4944
Monolithic Digital IC
LB1668, 1668M, LB1667, 1667M
Two-Phase Unipolar Drive
Brushless Motor Drivers
Preliminary
Overview
The LB1668 Series are 2-phase unipolar drive brushless
motor drivers that feature a wide usable voltage range and
a minimal number of required external components. They
also support the formation of motor lock protection and
automatic recovery circuits.
Package Dimensions
unit: mm
3098B-DIP10S
[LB1668, 1667]
Functions and Features
鈥?Output protection Zener diodes with variable breakdown
voltages
鈥?When the Z1 and Z2 pins are open: V
OLM
= 57 V
鈥?When the Z1 and Z2 pins are shorted: V
OLM
= 32 V
鈥?An external Zener diode can be connected between
Z1 and V
CC
.
鈥?Can support both 12-V and 24-V power supplies by
changing an external resistor.
鈥?Hall elements can be connected directly.
鈥?1.5-A output current output transistors built in
鈥?Built-in rotation detection function that outputs low
when driven and high when stopped (LB1668/M)
鈥?FG signal function that sets FG high when IN- is low,
and sets FG low when IN- is high (LB1667/M)
鈥?Motor lock protection and automatic recovery functions
built in
鈥?Thermal shutdown function
SANYO: DIP10S
unit: mm
3111-MFP14S
[LB1668M, 1667M]
SANYO: MFP14S
Specifications
Absolute Maximum Ratings
at Ta = 25擄C
Parameter
Maximum input current
Output voltage
Output current
Output minus current
RD/FG influx current
RD/FG voltage
Symbol
I
CC
max
V
OUT
I
OUT
I
OM
I
RD
/I
FG
V
RD
/V
FG
Pd max
t
鈮?/div>
20 ms
*:
These specifications are subject to change for improvement without notice.
Conditions
Ratings
200
Internal
1.5
鈥?0
10
30
Unit
mA
V
A
mA
mA
V
W
W
擄C
擄C
Allowable power dissipation
Operating temperature
Storage temperature
LB1667M, 1668M: Mounted on a printed circuit board
(20
脳
15
脳
1.5 mm
3
, glass epoxy)
LB1667, 1668
0.8
1.1
鈥?0 to +80
鈥?5 to +150
Topr
Tstg
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
13097HA (OT) No. 4944-1/7

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