SS1331KUA [SECELECTRONICS]

Unipolar Hall Switch-Low Sensitivity;


型号：	SS1331KUA
厂家：	SEC Electronics Inc.
描述：	Unipolar Hall Switch-Low Sensitivity
文件：	总7页 (文件大小：309K)
中文：	中文翻译
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SS1331

Unipolar Hall Switch-Low Sensitivity

Features and Benefits

Application Examples

–

3.5V to 24V Operation

-40°C to 150°C Superior temperature operation

CMOS technology

Low current consumption

Chopper-stabilized amplifier stage

Open drain output

Low sensitivity

Small Size SOT23 3L or SIP 3L

Both RoHS compliant packages

–

Automotive, Consumer and Industrial

Solid-state switch

Brushless DC motor commutation

Speed detection

Angular position detection

Proximity detection

Current detector

3 pin SOT23 (suffix SO)

3 pin SIP (suffix UA)

Functional Block Diagram

V_DD

Voltage

Regulator

OUT

Chopper

Hall

Plate

GND

SIP Package

Pin 1 – V_DD

Pin 2 – GND

Pin 3 – OUT

SOT Package

Pin 1 – V_DD

Pin 2 – OUT

Pin 3 – GND

V3.10 Nov 1, 2013

SS1331

Unipolar Hall Switch-Low Sensitivity

General Description

The SS1331 is a unipolar Hall-effect sensor IC fab-

ricated from CMOS technology. The device inte-

grates a voltage regulator, Hall sensor with dy-

namic offset cancellation system, small signal am-

plifier, Schmitt trigger and an open-drain output

driver. With suitable output pull up, they can be

used with bipolar or CMOS logic circuits.

both temperature and supply voltage changes. The

unipolar switching characteristic makes these de-

vices ideal for use with a simple bar or rod magnet.

Thanks to its wide operating voltage range and ex-

tended choice of temperature range, it is quite suit-

able for use in automotive, industrial and consumer

applications.

These Hall-effect switches are monolithic integrat-

ed circuits with tighter magnetic specifications, de-

signed to operate continuously over extended tem-

peratures to +150°C,and are more stable with

The device is delivered in a Small Outline Tran-

sistor (SOT) or in a Plastic Single In Line (SIP 3L

flat). Both 3-lead packages are RoHS compliat.

Glossary of Terms

MilliTesla (mT), Gauss Units of magnetic flux density: 1mT = 10 Gauss

RoHS

Restriction of Hazardous Substances

Operating Point (B_OP)

Magnetic flux density applied on the branded side of the package which turns the

output driver ON (V_OUT= V_DSon

)

Release Point (B_RP)

Magnetic flux density applied on the branded side of the package which turns the

output driver OFF (V_OUT= high)

V3.10 Nov 1, 2013

SS1331

Unipolar Hall Switch-Low Sensitivity

Pin Definitions and Description

SOT Pin № SIP Pin №

Name

V_DD

Type

Supply

Output

Ground

Function

Supply Voltage pin

Open Drain Output pin

Ground pin

OUT

GND

Absolute Maximum Ratings

Symbol

V_DD

I_DD

Parameter

Value

Units

Supply Voltage

Supply Current

V_OUT

I_OUT

T_S

Output Voltage

Output Current

Storage Temperature Range

-65 to 170

°C

Symbol

T_A

Operating Temperature Range

Temperature Suffix “E”

Temperature Suffix “K”

Temperature Suffix “L”

Value

Units

°C

-40 to 85

-40 to 125

-40 to 150

T_A

°C

T_A

°C

Exceeding the absolute maximum ratings may cause permanent damage. Exposure to absolute-maximum- rated conditions for ex-

tended periods may affect device reliability.

V3.10 Nov 1, 2013

SS1331

Unipolar Hall Switch-Low Sensitivity

General Electrical Specifications

DC Operating Parameters T_A= 25°C, V_DD= 3.5V to 24V (unless otherwise specified)

Typ

Parameter

Symbol

V_DD

Test Conditions

Operating

Min

3.5

Max

Units

Supply Voltage

1.5

2.5

0.4

I_DD

Supply Current

B < B_RP

V_DSon

I_OFF

I_OUT= 20mA, B >

Output Saturation Voltage

Output Leakage Current

Output Rise Time

Output Fall Time

0.5

B_OP

B <

V_OUT= 24V

B_RP

0.01

0.25

µA

µs

R_L= 1kΩ, C_L= 20pF

µs

Magnetic Specifications

DC Operating Parameters V_DD= 3.5V to 24V (unless otherwise specified)

Package

Parameter

Symbol

B_OP

Test Conditions

Min

Ta=25°C,Vdd=12V DC 10

Typ

Max

Units

Operating Point

Release Point

Hysteresis

110

B_RP

B_HYST

B_OP

Operating Point

Release Point

Hysteresis

-110

Ta=25°C,Vdd=12V DC -95

-80

-50

-45

-10

B_RP

B_HYST

Output Behavior versus Magnetic Pole

DC Operating Parameters T_A= -40°C to 150°C, V_DD= 3.5V to 24V (unless otherwise specified)

Test Conditions (UA) Test Conditions (SO)

OUT

High

Low

B < B_RP

B > B_OP

B > B_RP

B < B_OP

The SOT-23 device is reversed from the UA package. The SOT-23 output transistor will be turned on(drops low) in the presence of a

sufficiently strong North pole magnetic field applied to the marked face.

V3.10 Nov 1, 2013

SS1331

Unipolar Hall Switch-Low Sensitivity

Application Information

For proper operation, a 100nF bypass capacitor should be placed as close as possible to the device between the

_DDand ground pin.

For reverse voltage protection, it is recommended to connect a resistor or a diode in series with the V_DDpin.

When using a resistor, three points are important:

- the resistor has to limit the reverse current to 50mA maximum (V_CC/ R1(≈50mA)

- the resulting device supply voltage V_DDhas to be higher than V_DDmin (V_DD= V_CC– R1∙I_DD

)

- the resistor has to withstand the power dissipated in reverse voltage condition (PD = V_CC²/ R1)

When using a diode, a reverse current cannot flow and the voltage drop is almost constant (≈0.7V).

Therefore, a 100Ω/0.25W resistor for 5V application and a diode for higher supply voltage are recommended.

Typical Three-Wire Application Circuit

When a weak power supply is used or when the device is intended to be used in noisy environment, it is recom-

mended that figure followed is used.

The low-pass filter formed by R1 and C1 and the Zener diode Z1 bypass the disturbances or voltage spikes occur-

ring on the device supply voltage V_DD. The diode D1 provides additional reverse voltage protection.

Both solutions provide the required reverse voltage protection.

Automotive and Harsh, Noisy Environments Three-Wire Circuit

ESD Precautions

Electronic semiconductor products are sensitive to Electro Static Discharge (ESD).

Always observe Electro Static Discharge control procedures whenever handling semiconductor products.

V3.10 Nov 1, 2013

SS1331

Unipolar Hall Switch-Low Sensitivity

Package Information

Package UA, 3-Pin SIP:

2.13

1.87

3° ± 1°

1.00

1.20

45° ± 1°

4.0 ± 0.01

Sensor Location

0.84(Nom)

6° ± 1°

Active Area Depth:

3° ± 1°

0.44± 0.01

6° ± 1°

3° ± 1°

0.05 ± 0.05

0.39± 0.01

0.38 ± 0.01

Notes:

1). Controlling dimension : mm ;

2). Leads must be free of flash and plating voids ;

3). Do not bend leads within 1 mm of lead to package

interface ;

4). PINOUT: Pin 1 V_DD

Pin 2 GND

Pin 3 Output

1.27

2.54

V3.10 Nov 1, 2013

SS1331

Unipolar Hall Switch-Low Sensitivity

Package SO, 3-Pin SOT-23:

Notes

1). PINOUT: Pin 1 V_DD

Pin 2 Output

Top

Pin 3 GND

2). All dimensions are in millimeters;

2.60

3.00

1.50

1.80

1.70

2.10

Side Vie

End

2.70

3.10

0.10

0.25

1.00

1.30

0.70

0.90

0.20

Min

0.00

0.10

0.35

0.50

Ordering Information

Part No.

Pb-free

YES

Temperature Code

-40°C to 85°C

Package Code

SOT-23

TO-92

Packing

SS1331ESOT

SS1331EUA

SS1331KSOT

SS1331KUA

SS1331LSOT

SS1331LUA

7-in. reel, 3000 pieces/ reel

Bulk, 1000 pieces/ bag

7-in. reel, 3000 pieces/ reel

Bulk, 1000 pieces/ bag

7-in. reel, 3000 pieces/ reel

Bulk, 1000 pieces/ bag

-40°C to 85°C

-40°C to 125°C

-40°C to 150°C

SOT-23

TO-92

SOT-23

TO-92

V3.10 Nov 1, 2013

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