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Sanyo - Three-Phase Brushless Motor Driver for Portable VCR Capstan Motors

Numéro de référence LB1991V
Description Three-Phase Brushless Motor Driver for Portable VCR Capstan Motors
Fabricant Sanyo 
Logo Sanyo 





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LB1991V fiche technique
Ordering number : EN5792
Monolithic Digital IC
LB1991V
Three-Phase Brushless Motor Driver for Portable
VCR Capstan Motors
Overview
The LB1991V is a 3-phase brushless motor driver IC that
is optimal for driving the capstan motor in portable VCR
products.
Functions
• 3-phase full-wave voltage drive technique (120°
voltage-linear technique)
• Torque ripple correction circuit (overlap correction)
• Speed control technique based on motor voltage and
current control.
• Built-in FG comparators
• Built-in thermal shutdown circuit
Package Dimensions
unit: mm
3175A-SSOP24
[LB1991V]
Ambient temperature, Ta — °C
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage
Applied output voltage
Maximum output current
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC1 max
VCC2 max
VS max
VO max
IO max
Pd max
Topr
Tstg
Independent IC
Conditions
Allowable Operating Ranges at Ta = 25°C
Parameter
Supply voltage
Hall input amplitude
Symbol
VCC1
VCC2
VS
VHALL
VCC1 VCC2
Conditions
Between Hall effect element inputs
SANYO: SSOP24
Ratings
10
11
11
VS + 2
1.0
440
–20 to +75
–55 to +150
Unit
V
V
V
V
A
mW
°C
°C
Ratings
2.7 to 6.0
3.5 to 9.0
Up to VCC2
±20 to ±80
Unit
V
V
V
mVp-p
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
53098RM (OT) No. 5792-1/7

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