SANYO LB1694N Datasheet

Ordering number: EN5243

Monolithic Digital IC

LB1694N

3-phase Brushless Motor Driver

Overview

The LB1694N is a 3-phase brushless motor driver IC that is
ideal for driving DC fan motors in air conditioners, hot-water
supply systems, and the like.

Package Dimensions

unit : mm

3037A-DIP20H

[LB1694N]

Features

.

3-phase brushless motor driver.

.

Withstand voltage: 45 V; output current: 2.5 A.

.

Current limiter built in.

.

Low-voltage protector circuit built in.

.

Thermal shutdown protector built in.

.

Hall amplifier with hysteresis built in.

.

FG output function.

SANYO : DIP20H

Specifications

Absolute Maximum Ratings atTa=25°C

Parameter Symbol Conditions Ratings Unit

V

max 10 V

Maximum supply voltage

Output current I

Allowable power dissipation

Operating temperature Topr –20 to +100
Storage temperature Tstg –55 to +120

CC

V

max 45 V

M

O

Pd max1 Independent IC 2.2 W
Pd max2 With arbitrarily large heat sink 15.2 W

2.5 A

C

°

C

°

Allowable Operating Ranges atTa=25°C

Parameter Symbol Conditions Ratings Unit

V

Supply voltage range

Power supply voltage rise rate

*1 If the supply voltage rise rate is fast when power is applied, through current may flow to output.

CC

V

M

∆V

/ ∆tVCC=V

CC

∆V

/ ∆tVM= 0 V point*1 to 0.16 V/µs

M

(OFF) point *1 to 0.04 V/µs

LVSD

SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters

TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN

D3095HA (II) No.5243-1/8

4.5 to 5.5 V
5to42 V

LB1694N

With arbitrarily large
heat sink

Independent IC

Allowable power dissipation, Pd max — W

Ambient temperature, Ta —°C

Electric Characteristics atTa=25°C, VCC=5V,VM=30V

Parameter Symbol Conditions min typ max Unit

Supply current I
Output saturation voltage
Output leak current I

CC

V

Osat1IO

V

Osat2IO

O(leak)

Hall amplifier

Input bias current I
Common-mode input voltage

range

HB

V

ICM

Hysteresis width ∆V
Input voltage L → HV
Input voltage H → LV

SLH
SHL

FG pin (rate pulse output)

Low level output voltage V

Pull-up resistance R
F/R operation Forward V
F/R operation Reverse V
Current limit operation limiter V
Thermal shutdown operation

temperature

FGL

FR1
FR2

T

FG

RF
SD

Hysteresis width ∆T
Reduced voltage protection

operation voltage
Reduced voltage protection

release voltage

Hysteresis width ∆V
C pin charge current I
C pin discharge current I
C pin charge start voltage V
C pin discharge start voltage V
Output current neglect time t
Output off time t

V

LVSD

V

LVSD(OFF)

LVSD
CL
CH

CL
CH

sm

so

Forward 13 19 mA

= 1 A, VO(sink) + VO(source) 2.1 3.0 V
= 2 A, VO(sink) + VO(source) 3.0 4.2 V

IN

IFG= 5 mA 0.4 V

Design target 120 150
Design target 30

SD

R=33kΩ 30 40 50 µA
R=33kΩ 90 120 150 µA
R=33kΩ 0.3 0.4 0.5 V
R=33kΩ 1.5 2.0 2.5 V
R=33kΩ, C = 4700 pF 58 68 78 µs
R=33kΩ, C = 4700 pF 164 193 222 µs

100 µA

14µA

1.5 3.2 V
21 30 37 mV

515 25mV

–25 –15 –5 mV

7.5 10 12.5 kΩ

0 0.8 V

4.2 5.0 V

0.42 0.5 0.6 V

3.5 3.8 4.1 V

4.3 4.5 V

0.4 0.5 0.6 V

C

°

C

°

No.5243-2/8

Truth Table

Input F/R control Output FG output

IN1 IN2 IN3 F/R Source → Sink FG1 FG2

1HLH

2HLL

3HHL

4LHL

5LHH

6LLH

LB1694N

L OUT2 → OUT1
H OUT1 → OUT2
L OUT3 → OUT1
H OUT1 → OUT3
L OUT3 → OUT2
H OUT2 → OUT3
L OUT1 → OUT2
H OUT2 → OUT1
L OUT1 → OUT3
H OUT3 → OUT1
L OUT2 → OUT3
H OUT3 → OUT2

LL

LH

LL

HH

HL

HH

F/R

Forward L 0.0 to 0.8 V
Reverse H 4.2 to 5.0 V

Pin Assignment

FG output

FG1

FG2

No.5243-3/8