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LB1667 Fiches technique(PDF) 1 Page - Sanyo Semicon Device

No de pièce LB1667
Description  Two-Phase Unipolar Drive Brushless Motor Drivers
Download  7 Pages
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Fabricant  SANYO [Sanyo Semicon Device]
Site Internet  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

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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.
Functions and Features
• Output protection Zener diodes with variable breakdown
voltages
— When the Z1 and Z2 pins are open:
VOLM = 57 V
— When the Z1 and Z2 pins are shorted: VOLM = 32 V
— An external Zener diode can be connected between
Z1 and VCC.
• Can support both 12-V and 24-V power supplies by
changing an external resistor.
• Hall elements can be connected directly.
• 1.5-A output current output transistors built in
• Built-in rotation detection function that outputs low
when driven and high when stopped (LB1668/M)
• FG signal function that sets FG high when IN- is low,
and sets FG low when IN- is high (LB1667/M)
• Motor lock protection and automatic recovery functions
built in
• Thermal shutdown function
Package Dimensions
unit: mm
3098B-DIP10S
unit: mm
3111-MFP14S
Monolithic Digital IC
Ordering number : EN*4944
13097HA (OT) No. 4944-1/7
Preliminary
SANYO: DIP10S
[LB1668, 1667]
SANYO: MFP14S
[LB1668M, 1667M]
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
Two-Phase Unipolar Drive
Brushless Motor Drivers
LB1668, 1668M, LB1667, 1667M
Parameter
Symbol
Conditions
Ratings
Unit
Maximum input current
ICC max
t
≤ 20 ms
200
mA
Output voltage
VOUT
Internal
V
Output current
IOUT
1.5
A
Output minus current
IOM
–50
mA
RD/FG influx current
IRD/IFG
10
mA
RD/FG voltage
VRD/VFG
30
V
LB1667M, 1668M: Mounted on a printed circuit board
0.8
W
Allowable power dissipation
Pd max
(20
× 15 × 1.5 mm3, glass epoxy)
LB1667, 1668
1.1
W
Operating temperature
Topr
–30 to +80
°C
Storage temperature
Tstg
–55 to +150
°C
Specifications
Absolute Maximum Ratings at Ta = 25°C
*: These specifications are subject to change for improvement without notice.


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