LB1877M datasheet(5/7 Pages) SANYO

Part #	LB1877M

Description	Brushless Motor Driver with Speed Control for Portable Cassette Recorders

Download	7 Pages

Scroll/Zoom	100%

Manufacturer	SANYO [Sanyo Semicon Device]

Direct Link	https://www.sanyo-av.com/us/

Logo

5 / 7 page

LB1877M

No. 6199-5/7

Pin number

18

9

12

7

8

14

13

15

10

Pin Description

Unit (resistance:

Ω, capacitance: F)

Pin name

VCC

GND

VREF

OSC

COM

VSP

IN+

OUT

RI

Pin voltage

1.8V to 5.0V

0.7V to 0.9V

1V to Vcc

1.3V to Vcc

0.1V to

Vcc – 0.7V

Equivalent circuit

Pin function

Power supply for all circuits

Ground for all circuits except

FC and power block.

Internal reference voltage.

Connected as speed control

voltage to IN+ pin via external

resistor.

Startup oscillator pin.

Adjusts self-excitation

frequency via external

capacitor.

Determines threshold voltage

of waveform detection circuit.

Connected to Vcc via an

external resistor.

Varies the startup threshold

voltage.

Peak detection circuit output

pin.

Error amplifier non-inverted

pin.

Controls rotation speed via

input pin voltage.

Error amplifier output pin.

Connect external resistor

between Vsp pins for

feedback.

Current feedback output pin.

Connect external resistor

between this pin and ground

for current feedback

adjustment.

Continued on next page

12

50k

200

7

To WOUT

To VOUT

To UOUT

To comparator input

20k

1k

20k

10k

8

Drive

current

I

10k

200

10k 10k 10k

200

5k

14

10

15

13

To U,V,WOUT

Similar Part No. - LB1877M

Manufacturer	Part #	Datasheet	Description
Sanyo Semicon Device	LB1877	71Kb / 7P	Brushless Motor Driver with Speed Control for Portable Cassette Recorders
Sanyo Semicon Device	LB1877V	71Kb / 7P	Brushless Motor Driver with Speed Control for Portable Cassette Recorders

More results

Similar Description - LB1877M

Manufacturer	Part #	Datasheet	Description
Sanyo Semicon Device	LB1877V	71Kb / 7P	Brushless Motor Driver with Speed Control for Portable Cassette Recorders
	LA1827M	347Kb / 12P	Single-Chip Tuner IC for Portable Radio/Cassette Recorders
	LA1828	153Kb / 13P	Single-Chip Tuner IC for Portable Radio /Cassette Recorders with Manual Tuning
Silicon Touch Technolog...	ST1115C	230Kb / 13P	PWM Speed Control Double Coil Brushless DC Motor Driver
Sanyo Semicon Device	LB1951V	211Kb / 9P	3-Phase Brushless Motor Driver for Portable VCR Capstan Use
	LB1991V	179Kb / 7P	Three-Phase Brushless Motor Driver for Portable VCR Capstan Motors
	LA4613	68Kb / 7P	Audio Power Amplifier for Radio Cassette Recorders
	LV8104V	415Kb / 19P	For Variable Speed Control Three-Phase Brushless Motor Predriver
	LA4601	67Kb / 7P	Audio Power Amplifier for Radio Cassette Recorders
	LB1822	112Kb / 5P	3-phase Brushless Motor Predriver with Digital Speed Control

More results

LB1877M Datasheet(PDF) 5 Page - Sanyo Semicon Device

LB1877M Datasheet(HTML) 5 Page - Sanyo Semicon Device

Similar Part No. - LB1877M

Similar Description - LB1877M

Html Pages

1 2 3 4 5 6 7

Datasheet Download

Link URL