LB1666 Sanyo Semiconductor Corporation, LB1666 Datasheet

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LB1666

Manufacturer Part Number
LB1666
Description
2-phase unipolar brushless motor driver
Manufacturer
Sanyo Semiconductor Corporation
Datasheet

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LB1666
Quantity:
5 510
Part Number:
LB1666
Quantity:
5 510
Part Number:
LB1666-E
Manufacturer:
SANYO
Quantity:
10 892
Ordering number: EN 2552C
Applications
2-Phase unipolar brushless motor (ex. DC brushless fan motor)
drivers
Features and Functions
.
.
.
.
.
.
.
Protection against motor lock and automatic return can be
provided with a minimum number of external parts.
The LB1663, LB1663M, LB1666 can be operated from
either 12 V or 24 V power supply by changing an external
resistor.
Possible to connect a Hall element direct to the LB1663,
LB1663M, LB1666.
Built-in output transistors with output current 1.5 A.
Built-in rotation detect function (Drive mode: ‘‘L’’, Stop
mode: ‘‘H’’)
Built-in thermal shutdown
With radio noise reduction pin
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
2-Phase Unipolar Brushless Motor Drivers
Package Dimensions
unit : mm
3098A - DIP10S
unit : mm
3054A - DIP16F
unit : mm
3097 - MFP16FS
N3097HA(II)/7037KI/6197TA,TS No.2552 - 1/6
LB1663, 1663M, 1666
[LB1663M]
[LB1663]
[LB1666]
Monolithic Digital IC
SANYO : MFP16FS
SANYO : DIP10S
SANYO : DIP16F

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LB1666 Summary of contents

Page 1

... DC brushless fan motor) drivers Features and Functions . Protection against motor lock and automatic return can be . provided with a minimum number of external parts. The LB1663, LB1663M, LB1666 can be operated from either power supply by changing an external resistor. . Possible to connect a Hall element direct to the LB1663, LB1663M, LB1666. . ...

Page 2

Specifications [LB1663] Absolute Maximum Ratings 25°C Parameter Symbol Maximum input current I CC Output supply voltage V O Maximum output current I max O RD flow-in current supply voltage V RD Allowable power Pd ...

Page 3

... V V input voltage IN Amp input offset voltage Amp input bias current RD output saturation voltage V C flow-out current C discharge current Comparator input threshold voltage [LB1666] Absolute Maximum Ratings 25°C Parameter Symbol Maximum input current I CC Output supply voltage V O Maximum output current I ...

Page 4

Pin Assignment Equivalent Circuit Block Diagram and Sample Application Circuit Constant current circuit (Note) *1: Radio noise reduction capacitor: 0.01 to 0.1 µF. *2: Use a less leaky capacitor. LB1663, 1663M, 1666 Top view No. 2552- 4/6 ...

Page 5

Truth Table IN+ IN– C OUT1 Output Protection For C marked with 1 µF Lock detect time Lock protect time (output on) Lock protect time (output off) Pin ...

Page 6

Rotation Output on Lock 1 When a fan is rotating, the capacitor is charged at 3 µA (typ) and discharged through the C with pulses according to the rotational speed. 2 When a fan is locked, no discharge occurs through ...

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