Datasheet SM8140AM Datasheet (NPC)

=

P −

SM8140A

NIPPON PRECISION CIRCUITS INC.

OVERVIEW

The SM8140A is designed for using as EL (Electronic Luminescence) sheet driver require very low external parts counts, this result that very compact and thin EL driver units can be made. Also this device has the features to use in wider range of applications demanding low quiescent current, low supply voltages, low operating supply currents, simple brightness control and low EMI (Electro-Magnetic Interference) emission due to the inherent smooth driver wave forms.

FEATURES

■

Specially providing EL driver functions

■

Non-transformer for compact outline

■

Bipolar driving for high power efﬁciency

■

Very low noise smooth driver wave forms

■

Brightness control with driving frequency change (An external resistance determines the driving frequency)

■

Low power consumption by quiescent current control

■

ON-chip high voltage output MOS transistor

■

Large EL sheet (Exceeding 100 cm

■

supply voltage V

2.4V to 3.6V or 5.0V

DD

■

1.5V and 3V power applicable

2

) drivable

(Refer to APPLICATION HINTS)

■

Maximum output driver voltage:200V

■

Typical driver frequency:250Hz

■

14 pin SSOP

■

chip form

P

ORDERING INFOMATION

PIN OUT

( Top View )

CHV

LDR

VSS1 OCL2 OCL1 OCE2

OCEl

PIN OUT

( Unit : mm )

8.00

8.20

14pin SSOP

1

SM8140AM

4.40

6.40 0.30

1.50

1.000.35 0.10

1.80MAX

0.10 0.10

EL Driver IC

14

OUT1 OUT2 CP2 CP1 CPO VDD

87

ENA

0.17 0.20

010

0.625 0.20

Device Package

SM8140AM 14pin SSOP

CF8140A Chip in tray

NIPPON PRECISION CIRCUITS—1

SM8140A

PAD DIMENSIONS

( UNIT: µ m )

14

15

16

Y

(0, 0)

Chip size : 2.50 × 2.70mm Chip thickness : 4000 ± 30 µ m Pad size : 100 × 100 µ m Chip reverse side : V

123 4

X

SS

PAD COORDINATES

No. NAME X Y

1 OCE2 360 190

(2500, 2700)

910111213

8

7

6 5

2 OCE1 900 190

3 ENA 1440 190

4 VSS2 2080 190

5 VDD 2310 320

6 CPO 2310 560

7 CP1 2310 1100

8 CP2 2310 1640

9 OUT2 2300 2530

10 OUT1 2100 2530 11 CHV 1900 2530 12 MONG 1700 2530 13 LDR 1500 2530 14 VSS1 190 1600 15 OCL2 190 1040 16 OCL1 190 500

Note : MONG is test pin.

MONG and VSS2 are not bonding.

NIPPON PRECISION CIRCUITS—2

BLOCK DIAGRAM

−

SM8140A

ENA

CPO

CP1

CP2

VDD

Enable Circuit

Charge Pump

Circuit

VSS1

(MONG)

Oscillation Circuit

for Voltage Booster

VSS2

Divider

OCL1

LDR

CHV

Level Shifter

OCL2

OUT1

High Voltage

Switching Circuit

Divider

Oscillasion Circuit

for output

OCE1

PIN DESCRIPTION

SSOP chip Pin Name i / o Function

1 11 CHV i DC high voltage pin

12 MONG o Monitor gate 2 13 LDR o Step − up inductor driver output 3 14 VSS1

4 VSS2

4 15 OCL2 o

6 1 OCE2 i CR oscillator pin for output 7 2 OCE1 o External resistor at this pin determines oscillator frequency 8 3 ENA ip 9 5 VDD

10 6 CPO o Charge pump output (Voltage output for driving high voltage MOS) 11 7 CP1 o Charge pump external capacitor pin 12 8 CP2 o Charge pump external capacitor pin 13 9 OUT2 o Output for EL 14 10 OUT1 o Output for EL

GND GND

CR oscillator pin for step − up inductor and charge pump. External resistor at this pin determines oscillator frequency.5 16 OCL1 i

1

Output control pin. Output from OUT1 and OUT2 pins are stopped When "L".

−

Power supply pin

OUT2

OCE2

1. "ip" deﬁnes input pin with pull down internal resistor

NIPPON PRECISION CIRCUITS—3

mH

≤

=

ABSOLUTE MAXIMUM RATINGS

V

0V, Unless otherwise noted

SS

Parameter Symbol Condition Rating unit

Supply voltage range V Input voltage range V

Output voltage

Power dissipation P Storage temperature range T Soldering temperature T Soldering time t

DD

IN

V

CHV

V

LDR

V

OUT1

V

OUT2

D STG SLD SLD

=

−

SM8140A

0.3 to + 8.0 V

All input pins V

CHV pins 0.5 to 120

LDR pins 0.5 to 120 OUT1 pins 0.5 to 120 OUT2 pins 0.5 to 120

Ta ≤ 70 ° C 200 mW

Package only 255 Package only 10 sec

− 0.3 to V

SS

55 to 125

+ 0.3 V

DD

−

Ω

V

° C ° C

RECOMMENDED OPERATING CONDITIONS

V

0V, Unless otherwise noted

SS

Parameter Symbol Condition

V

Supply voltage range

Operating temperature range T

Operating current

2

Using inductor

V

L L

OPR

I

DD2

I

DD3 LDR1 LDR2

DD1 DD2

CPO = V

1

DD

Including inductor current, V Including inductor current, V

f

= 32kHz, V

LDR

f

= 32kHz, V

LDR

DD DD

= 3.0V = 5.0V

1. 5V Application hints is different from 3V ones (Refer to APPLICATION HINTS)

2. Max value is as same as Absolute Maximum Ratings

ELECTRICAL CHARACTERISTICS

Ta = 25 ° C, V

Parameter Pin Symbol Condition

Supply voltage range VDD V

Output voltage

Output resistance LDR R

Oscillation frequency

Driving frequency OUT1/2 f Output frequency LDR f

Input voltage ENA

Input current ENA I Operating current VDD I Stand − by current VDD I

1. R

determines EL driver frequency 20k to 100kHz

OSC

2. R

determines EL driver frequency 200 to 500Hz

OSC

SS

0V, V

3.0V, unless otherwise noted

DD

CPO V

CHV V OUT1/2 V OUT1/2 V

OCE1/2 f OCL1/2 f

V

CPO

CHV OUTH OUTL

LDR

OCE

OCL OUT LDR

ENAH

ENAL

ENAH

DD1 STB

Excluding inductor current −−1mA

V

2 × V

CPO

V

CPO

R

3.9M Ω

OCE

R

100k Ω

OCL

R

= 3.9MΩ

OCE

R

= 100kΩ 22.4 32 41.6 kHz

OCL

ENA = "H" VDD + 1.0 − VDD + 0.3 ENA = "L" VSS − 0.3 − VSS + 1.0

V

= 3.0V 0.45 0.75 1.05 µA

ENAH

ENA = "L" −−1 µA

DD DD

6.0V

= 3.0V = 5.0V

DD

1 2

Rating

min typ max

2.4

4.5 30

−

3.6 V

5.5 V 70

20 100 mA 25 100 mA

1.0

1.5

−

Rating

min typ max

2.4

3.6 V

4.5 5.5

0.5

100

−− 100

−− 0.5

5.0 10.0

5.6 8.0 10.4 179 256 332 175 250 325 Hz

unit

° C

mH

unit

V

kHz

V

NIPPON PRECISION CIRCUITS—4

APPLICATION HINTS

SM8140A

0.1µF 100V

+

1.0mH

0.1µF 100V

+

0.47mH

1.0kΩ

100kΩ

3.9MΩ

1.0kΩ

100kΩ

CHV

LDR

VSS1

OCL2

OCL1

OCE2

OCEl

CHV

LDR

VSS1

OCL2

OCL1

OCE2

OUT1

OUT2

SM8140AM

CP2

CP1

CPO

VDD

ENA

OUT1

OUT2

SM8140AM

CP2

CP1

CPO

VDD

510Ω

EL sheet : SPI ULTRA−THIN TYPE

+

EL sheet size : 10 to 20cm Current consumption : 20mA (typ.)

470pF

0.01µF

3.0V

Diode : TOSHIBA 1SS250 Coil : MURATA LQH4N102K04M00

EL sheet

EL sheet : SPI ULTRA−THIN TYPE

+

EL sheet size : 20 to 40cm Current consumption : 40mA (typ.)

470pF

0.01µF

EL sheet

2

+

2

+

100V

+

0.47mH

1.5V

3.9MΩ

1.0kΩ

100kΩ

3.9MΩ

OCEl

CHV

LDR

VSS1

OCL2

OCL1

OCE2

OCEl

ENA

OUT1

OUT2

SM8140AM

CP2

CP1

CPO

VDD

ENA

510Ω

+

EL sheet0.1µF

EL sheet : SPI ULTRA−THIN TYPE EL sheet size : 10 to 20cm Current consumption : 20mA (typ.)

470pF

3.0V

Diode : TOSHIBA 1SS250 Coil : MURATA LQH4N471K04M00

0.01µF

+

3.0V

Diode : TOSHIBA 1SS250 Coil : MURATA LQH4N471K04M00

NIPPON PRECISION CIRCUITS—5

SM8140A

+

100V

+

0.33mH

100V

1.5mH

1.0kΩ

100kΩ

3.9MΩ

1.0kΩ

36kΩ

3.9MΩ

CHV

LDR

VSS1

OCL2

OCL1

OCE2

OCEl

CHV

LDR

VSS1

OCL2

OCL1

OCE2

OCEl

OUT1

OUT2

SM8140AM

OUT1

OUT2

SM8140AM

CP2

CP1

CPO

VDD

ENA

CP2

CP1

CPO

VDD

ENA

510Ω

EL sheet : SPI ULTRA−THIN TYPE EL sheet size : 40 to 60cm Current consumption : 25mA (typ.)

Diode : TOSHIBA 1SS250 Coil : MURATA LQH4N152K04M00

510Ω

EL sheet : SPI ULTRA−THIN TYPE EL sheet size : 60 to 80cm Current consumption : 45mA (typ.)

EL sheet0.1µF

5.0V

Diode : TOSHIBA 1SS250 Coil : MURATA LQH4N331K04M00

EL sheet0.1µF

5.0V

100V

+

0.47mH

1.0kΩ

68kΩ

3.9MΩ

CHV

LDR

VSS1

OCL2

OCL1

OCE2

OCEl

OUT1

OUT2

SM8140AM

CP2

CP1

CPO

VDD

ENA

510Ω

EL sheet : SPI ULTRA−THIN TYPE EL sheet size : 80 to 100cm Current consumption : 55mA (typ.)

EL sheet0.1µF

5.0V

Diode : TOSHIBA 1SS250 Coil : TOKO 817CE471M

NIPPON PRECISION CIRCUITS INC. reserves the right to make changes to the products described in this data sheet in order to improve the design or performance and to supply the best possible products. Nippon Precision Circuits Inc. assumes no responsibility for the use of any circuits shown in this data sheet, conveys no license under any patent or other rights, and makes no claim that the circuits are free from patent infringement. Applications for any devices shown in this data sheet are for illustration only and Nippon Precision Circuits Inc. makes no claim or warr anty that such applications will be suitab le for the use speciﬁed without further testing or modiﬁcation. The products described in this data sheet are not intended to use for the apparatus which inﬂuence human lives due to the failure or malfunction of the products. Customers are requested to comply with applicable laws and regulations in effect now and hereinafter, including compliance with export controls on the distribution or dissemination of the products. Customers shall not expor t, directly or indirectly, any products without ﬁrst obtaining required licenses and approvals from appropriate government agencies..

NIPPON PRECISION CIRCUITS INC. 4-3, 2-chome Fukuzumi

Koto-ku, Tokyo 135-8430, Japan

NIPPON PRECISION CIRCUITS INC.

Telephone: 03-3642-6661 Facsimile: 03-3642-6698

NC9612CE 1998.03

NIPPON PRECISION CIRCUITS—6