Sanyo LB1988N Specifications

Ordering number : ENN6185

71699RM (OT) No. 6185-1/9

Overview

The LB1988N is a sensorless motor driver that includes an on-chip loading motor driver as well. It is optimal for VCR drum motor drive.

Functions and Features

• Soft switching drive

• Does not require Hall-effect sensors

• Does not require FG sensors

• PG amplifier

• Thermal shutdown circuit

• Current limiter circuit

• Loading motor driver

Package Dimensions

unit: mm

3196-DIP30SD

1.14 1.78

27.2

0.25

10.16

8.6

0.48 0.95

3.25

3.0

3.95max

SANYO: DIP30SD

[LB1988N]

LB1988N

SANYO Electric Co.,Ltd. Semiconductor Company

TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN

Three-Phase Sensorless Motor Driver

+ Loading Motor Driver

Monolithic Digital IC

Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft’s control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO representative nearest you before using any SANYO products described or contained herein in such applications.

SANYO assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO products described or contained herein.

Parameter Symbol Conditions Ratings Unit

Maximum supply voltage 1 V

max 14.5 V

Maximum supply voltage 2 V

CCL

max 14.5 V

Maximum supply voltage 3 V

REG

max 7.0 V Maximum applied output voltage Vomax 14.5 V Maximum applied input voltage VI1max – 0.3 to V

REG

+ 0.3 V

Maximum cylinder current Iomax 1.0 A

Maximum loading current

Iomax (AVE) 0.4 A

Iomax (peak) 1.2 A Allowable power dissipation Pdmax When mounted on the specified printed circuit board* 2.8 W Operating temperature Topr –20 to +75 °C Storage temperature Tstg –55 to +150 °C

Specifications

Absolute Maximum Ratings at Ta = 25°C

Note: * Specified printed circuit board: 114.3 × 76.1 × 1.6 mm3, glass epoxy

No. 6185-2/9

LB1988N

Parameter Symbol Conditions Ratings Unit

Supply voltage 1 V

8 to 13.8 V

Supply voltage 2 V

CCL

8 to 13.8 V

Supply voltage 3 V

REG

4 to 6 V

Allowable Operating Ranges at Ta = 25°C

Parameter Symbol Conditions

Ratings

Unit

min typ max

Supply voltage 1 I

VC = 0 V, XIN = YIN = 0 V 6.5 10 mA

Supply voltage 2 I

CCL

VC = 0 V, XIN = YIN = 0 V 1 mA

Supply voltage 3 I

REG

VC = 0 V, XIN = YIN = 0 V 6.5 10 mA

Output saturation voltage 1 V

OSAT

1IO= 0.4 A, source + sink 1.4 2.0 V

Output saturation voltage 2 V

OSAT

2IO= 0.8 A, source + sink 1.8 2.6 V

MC pin common-mode input voltage range V

– 2 V

VC pin input bias current I

VC = 0 V –2 –1 µA

Control start voltage VTHVC V

= 10 mV 2.4 2.5 2.6 V Closed loop control gain GMVC RF = 0.5 Ω 0.75 0.95 1.15 A/V PCOUT output current 1 I

PCOU

Source side –90 µA

PCOUT output current 2 I

PCOD

Sink side 90 µA

VCOIN input current I

VCOIN

VCOIN = 5 V 0.1 0.2 µA Minimum VCO frequency fVCOMIN CX = 0.022 µF, VCOIN = open 400 Hz Maximum VCO frequency fVCOMAX CX = 0.022 µF, VCOIN = 5 V 18.5 kHz C1/C2 source current ratio RSOURCE IC1SOURCE/IC2SOURCE –12 +12 % C1/C2 sink current ratio RSINK IC1SINK/IC2SINK –12 +12 % C1 source/sink current ratio RC1 IC1SOURCE/IC1SINK –35 +15 % C2 source/sink current ratio RC2 IC2SOURCE/IC2SINK –35 +15 % Thermal shutdown operating temperature TTSD * 150 180 210 °C Thermal shutdown hysteresis ∆TTSD * 15 °C

Electrical Characteristics at Ta = 25°C, VCC= V

CCL

= 12 V, V

REG

= 5 V

Parameter Symbol Conditions

Ratings

Unit

min typ max

Back EMF FG

Output on voltage V

0.4 V

Output off voltage V

4.5 V

PG amplifier

Input offset voltage V

–8 +8 mV

Input bias current I

BIN

–250 nA

Common-mode input voltage range V

ICOM

* 1 3.5 V

Open-loop gain GVPG f = 1 kHz 55 dB Output on voltage V

0.4 V

Output off voltage V

4.5 V

Schmitt amplifier hysteresis V

SHIS

70 93 115 mV

FG and PG Amplifier Block at Ta = 25°C, VCC= V

CCL

= 12 V, V

REG

= 5 V

Note: Items marked with an asterisk are design target values and are not tested.

Continued on next page.

No. 6185-3/9

LB1988N

Continued from preceding page.

Parameter Symbol Conditions

Ratings

Unit

min typ max

Input voltage

1 (HIGH) V

1 3.5 5 V

2 (LOW) V

2 0 0.8 V

Input current I

Sink, VIN= 3.5 V 30 50 µA Input hysteresis ∆VT 0.7 V

VSAT U-1

Vref = VS, between the output and VS

1.5 2.1 V

= 0.2 A, CW/CCW mode

VSAT L-1

Vref = VS, between the output and VS

0.2 0.3 V

Saturation voltage

= 0.2 A, CW/CCW mode

VSAT U-1’

Vref = VS, between the output and VS

1.6 2.2 V

IO= 0.4 A, CW/CCW mode

VSAT L-1’

Vref = VS, between the output and VS

0.3 0.5 V

IO= 0.4 A, CW/CCW mode

VSATU-1”

Vref = 8 V, between the output and ground

7.2 8.0 8.8 V

Upper side residual voltage

= 0.2 A, CW/CCW mode

VSATL-1”

Vref = 8 V, between the output and ground

7.2 8.0 8.8 V

IO= 0.4 A, CW/CCW mode

Output transistor leakage current

up ILU 50 µA

down

ILL 50 µA

Diode forward voltage

up VFU IF = 0.4 A 1.3

down

VFL IF = 0.4 A 1.0

Control supply current lref –5 –2 µA

Loading Block at Ta = 25°C, VCC= V

CCL

= 12 V, V

REG

= 5 V

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