Sanyo EP58B specifications LB11885/4, Capstan Motor Drive Block Loading Motor Drive Block

PWM Capstan + Sensorless Drum + Loading Motor Drivers

Package Dimensionsi nsions

LB11885/4

Overview

The LB11885 and LB11884 are 3-in-1 motor driver ICs for VCR units.

Functions and Features
[Capstan Motor Drive Block]	[Loading Motor Drive Block]
Three-phase 120° round-trip excitation direct PWM drive	H bridge forward/reverse function
PWM oscillator	Motor voltage switching function
Current limiter function (fixed internal and externally settable)	Short-circuit braking function
Forward/reverse function	Three-value input control
Two-stage FG amplifier (built-in gain resistor)
Control amplifier output pin

[Drum Motor Drive Block]	[Common Circuits]
Three-phase 120° round-trip excitation soft switching sensorless drive	Thermal protection circuit (TSD)
Sensorless FG function	Package: LB11885: HSSOP48 (375mil)
Two-stage PG amplifier function
Mixed FG and PG output function (separate output is also possible)	LB11884: SSOP44J (275mil)

Block Diagram

				C_FR
C_HU+										C_VCC
C_HU-										Rising voltage protect
C_HV+				MATRIX						C_U OUT
				&
C_HV-				LOGIC						C_V OUT
C_HW+
										C_W OUT
C_HW-	VCC	62k								C_RFP
						TSD
	2k
C_FG IN		-
			-			Q			-
	2.5k	+
			+			R			+	C_RFS
										VCC
	2.5k					S			+	C_CNT
C_FG OUT									-	C_LIM
C_FG
680pF				OSC				Rising voltage protect		C_MGND
C_PWM										C_FC
S GND										D_VCC
D_FGO						Rotor position				D_COM
VCC						Detect
				Masking
		Start up		Timing		Soft switching		Output
2200p	D C1	Control		Control		Drive circuit
	D C2							drive		D_U OUT
										D_V OUT
2200p								circuit
		PLL			8 frequency
560k	D PC OUT		VCO							D_W OUT
0.47∝	D VCO IN						TSD			0.022∝F
	D CX
0.022∝			+		-	1k			Upper side non saturatc circuit	D_RF	0.5
D_CNT		200			+
			-							D_MGND
0.1∝
D_FC									Output drive	L_VCC
							Composite			Rising voltage protect
			+
				-
			-
				+
										L_GND
	200	200
	D_PG+		D_PG-	D_PGO1		D_PGO2	L_IN	L_VREI	L_OUT1	L_OUT2

		SIP7HI
		18.0				3.0
	3.4
			13.4	10.8	15.0 max
			1.0 min		5.8
	1		7
1.38	2.54	0.6	1.0		0.6	1.2
	DIP24S(300mil)I ( il)
		21.0
	24		13
				7.62	6.4	0.25
	1		12
	0.9
				(3.25)	3.9max
(0.71)	1.78	0.48	0.95	0.51min	3.3

		DIP42S(600mil)I ( il)
		37.7
		42		22
				13.8	15.24
		1		21	0.25
			0.95
5.1max	(4.25)
3.8
	0.51min	1.78	0.48
	(1.05)
		SQFP64(10(		10))
		12.0
		10.0			0.5
		48	33
		49	32
			10.0	12.0
		64	17
		1	16
		(0.5)	0.18		0.15
		(1.25)
		(1.5)
		1.7max
		0.1

		SIP/DIP/SQFP/QIPP/DIP/SQFP/QIP
			SIP10H
			SIP10H
			26.8				4.0
			20.0
					R1.7
(8.4)	7.0				(11.8)	13.2max
					1.0 min	6.0
		1			10
		1.4	0.5	2.54	(1.97)		0.4
							2.0
		DIP30SD(400mil)IP30SD(400mil)
		27.0
		30		16
					8.6		10.16
		1		15			0.25
			0.95
3.95max	(3.25)
3.0
	0.51min		0.48
	(1.04)	1.78

	DIP54S(600mil)
	DIP54S(600mil)
		47.58
	54		28
			13.8	15.24
	1		27	0.25
(4.0)		1.05
5.0max
3.8
0.51min	1.78	0.48
(0.65)
	SQFP144(20QFP144(20		20)
			20)
		22.0
		20.0		0.5
	108	73
	109	72
		20.0	22.0
	144	37
	1	36	0.145
	0.5	0.2
	(1.25)
1.6max	(1.4)
	0.1

		(Reference Drawing)					(unit:mm)
			SIP10HD
			SIP10HD
			25.6
C 0.7			3.4	(10.0)		( 2.0)	2.4
							3.0 min
						(13.9) 11.2 (11.8)	15.4 max
		1		10		1.0 min	4.5
(1.37)		2.54	0.5	1.15			0.4
							1.2
			DIP36S(400mil)
		DIP36S(400mil)
			32.4
		36				19
						8.6	10.16
		1				18	0.25
				0.95
3.95max	(3.25)
3.0
	0.51min		1.78	0.48
	(1.1)
			SQFP48(7			7)
			SQFP48(7			7)
			9.0
			7.0				0.5
			36	25
		37		24
				7.0	9.0
		48		13
			1	12
			(0.5)	0.18			0.15
		(0.75)
	1.7max	(1.5)
		0.1
			QIP48E(14			14)
		QIP48E(14				14)
			17.2
			14.0				0.8
			36	25
		37		24
				14.0		17.2
		48		13
			1	12
			1.0	0.35		0.15
		(1.5)
		(2.7)
		3.0max
		0.1

63 SANYO TV . VCR SANYO TV . VCR 64