FS211LF-B [FEELING]

2 PHASE DC MOTOR DRIVE IC;


型号：	FS211LF-B
厂家：	Feeling Technology
描述：	2 PHASE DC MOTOR DRIVE IC
文件：	总13页 (文件大小：128K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

FS211F

2 PHASE DC MOTOR DRIVE IC

Technology

GENERAL DESCRIPTION

The FS211F, a 1-chip composed of hall sensor and output coil drivers, applied to 2-phase DC

motor. The high sensitivity of Hall effect sensor is suitable for motors from mini-type CPU

coolers to blowers and DC fans. Typical operation current is 0.4A and operating voltage range is

wide. FG signal, an open collector, provides a square waveform output for the detection of the

motor speed.

Using few external components, FS211F, a high performance integrated IC, is designed for a

2-phase DC motor circuit. The circuit diagram of the typical application example is as below.

FEATURES

˙1 chip hall sensor/drivers

˙Wide operating voltage range: 4.0V~20V

˙Output sink current up to 0.4A

˙Low quiescent supply current under 5mA

˙Built-in FG output

˙Package: TO-92SP-4

TO-92SP-4

TYPICAL APPLICATION CIRCUIT

VCC

FTC

S211

FG output

C1,C2,R2,R3 is optional for reduce electromagnetism noise. R2,R3 must greater than 50 ohm

Rev0.7 May. 29, 2009(LF)

P. 1 / FS211F

FS211F

Technology

FUNCTIONAL BLOCK DIAGRAM

Regulator

Hall Sensor

Pre-driver

AMP

MARK VIEW

PIN DESCRIPTION

NAME

NO. STATUS

DESCRIPTION

FTC

S211.

Rotation speed output (O.C.)

Coil driver output

O/P It is low state during the N

magnetic field. / Power input

Coil driver output

O/P It is low state during the S

magnetic field. / Power input

GND

IC Ground

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FS211F

Technology

ABSOLUTE MAXIMUM RATINGS

Zener Breakdown Voltage (Vz) ---------------------------------------------------------------------

35V

NO/SO Pin Voltage (V_CP(Note 1)) ----------------------------------------------------------------- 30V

Peak Sink Current (Io)

Hold Current-------------------------------------------------------------------------------------- 550mA

Continuous Current ----------------------------------------------------------------------------- 400mA

Peak Reverse Current (I_R) ------------------------------------------------------------------------------- 100mA

FG Pin OFF Voltage (V_FG) ------------------------------------------------------------------------------ 30V

FG Sink Current (I_FG) -------------------------------------------------------------------------------------- 10mA

Power Dissipation

Ta=25^oC ----------------------------------------------------------------------------------------------- 600mW

Ta=70^oC ---------------------------------------------------------------------------------------------- 450mW

Operating Temperature Range ------------------------------------------------------- -20^oC～+90 ^oC

Storage Temperature Range -------------------------------------------------------------- -65 ^oC～+150^oC

Junction Temperature -------------------------------------------------------------------------- +150 C

Lead Temperature (Soldering, 10 sec) ------------------------------------------------------------- +260 ^oC

Note 1: V_CPmean Coil Power

^oC

255 ± 5

10 ± 1 sec

150 ± 10^o

90 ± 30 sec

^oC

2 ~ 5 / sec

^oC

2 ~ 5

/ sec

SECOND

Soldering Condition

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FS211F

Technology

DC ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

TEST CONDITIONS

MIN TYP MAX UNIT

Minimum Operating Voltage

V_CP

No use pin is open (Fig1)

4.0

I_CP＜10mA No use pin is

open (Fig1)

MaximumOperating Voltage

Quiescent Supply current

V_CP

I_CP

20.0

No use pin is open V_CP

2.0

7.0

4.0V～20V (Fig1)

NO/SO Saturation Voltage

FG OFF Leakage Current

FG ON Saturation Voltage

V_SAT

I_OFF

V_ON

Io = 300mA (Fig1)

(Fig2)

1.5

μA

I_C=5mA(Fig2)

0.2

0.5

Note: Fig1 The IC output state is under N magnetic field.

AC ELECTRICAL CHARACTERISTICS

PARAMETER

Rise time

SYMBOL

TEST CONDITIONS

RL=1K CL=10pF (Fig3)

MIN TYP MAX UNIT

(t_r)

500

(t )

Fall time

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FS211F

Technology

MAGNETIC CHARACTERISTICS

Ta=-20 ^oC～+90 ^oC

FS211F_LF-A

PARAMETER

MIN

TYP

+60

-60

MAX

UNIT

Bop

Brp

Bhys

120

MAX

120

Ta=-20 ^oC～+90 ^oC

FS211F_LF-B

PARAMETER

Bop

TYP

+90

-90

UNIT

Brp

Bhys

Ta=-20 ^oC～+90 ^oC

FS211F_LF-C1

PARAMETER

Bop

TYP

+110

-110

MAX

UNIT

Brp

Bhys

120

FS211 HYSTERESIS CHARACTERISTICS

-60

+60

-60

+60

( -90

+90 )

( -90

+90 )

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FS211F

Technology

TEST CIRCUITS

FS211F

I_CP

V_CP

V_SAT

Fig.1 Test Circuit

FS211F

V 2

Fig.2 Test Circuit

FS211F

R2 R1

10PF

Fig. 3 Test Circuit

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FS211F

Technology

FUNCTION DESCRIPTIONS

Hall Sensor Location

The figure 4 is the hall sensor location, where marks the IC number. The best sensitivity, which

can be intensified as much as possible, depends on the vertical distance and position between

magnetic pole and the hall sensor (figure 5). For the 2-phase motor, this design is very

important.

Unit

1.75

1.35

Fig.4 FS211F Hall Sensor Location

Fig.5 Magnetic Distribution

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FS211F

Technology

Darlington-pair Transistor Output

The figure 6 is the circuit diagram of Darlington-pair transistor. Under the heavy current loading,

the power loss of the high saturation voltage can be calculated into the following formula:

Pc= (V_BEQ1+V_CE(SAT)Q2) * I_o

According to the IC package and the curve of the power loss, the Pc should be applied to and

within the safety value.

30V is the voltage of Zener breakdown diode. However, if the voltage, excluding that of the

power supply, is more than 30V under the long-time operation, the diode will be destroyed.

2,3

V_CE(SAT)

V_{B E}

Fig. 6 Darlington-pair Transistor Output

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FS211F

Technology

FG Output: The Circuit Diagram of Open Collector Transistor

Figure 7 the small signal transistor output connected with the pull-up resistance is to limit the

current and confirm the voltage level of rotation speed. The situation of the long-time operation

with the high voltage or with the high current will do damage to the transistor and cause FG

malfunction.

Figure 8 illustrates the relation between dynamic magnetic field and FG.

Pull-up resistance

FG output

Fig.7 FG Circuit Diagram

N pole

S pole

VFG

(Depend on supply voltage)

Fig.8 FG Waveform

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FS211F

Technology

APPLICATION NOTE

The Example of Typical Application Circuit

Figure 9 is the example of typical application circuit. The red, yellow, and black wires are the

input points of the motor system: red, the inputs of power supply; yellow, the output of FG; black,

the ground signal. Rc is an external pull-up resistance for the use of measuring FG signal. In

view of the design, the value of Rc could be decided by the transistor saturation voltage (V_ON),

sink current (I_C), and off-level voltage (V_C).

The formula is: R_C=(V_C-V_ON) / I_C

For example:

Vc = +5V for TTL level.

Ic = 5mA at 0.5V saturation voltage (IC specification.)

The safety value of Rc= 1K

D1 is the reverse protection diode. As if the red and black wires reversely connect with the

power source, the current will flow through the ground via IC and coils L1 and L2 to power

supply. Under such kind of circumstances, the IC and coils are easy to be burned out.

Therefore, D1, the reverse protection diode, is necessary for the design. However, D1 will also

cause an extra voltage drop on the supply voltage.

C1 is a capacitor to reduce the ripple noise caused during the transient of the output stages.

The volume of the ripple noise depends on the coil impedance and characteristics.

VCC

R wire

FS211F

Y wire

OUTPUT

B wire

Internal circuit of 2-phase DC motor

Fig.9 Application Circuit

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FS211F

Technology

Package Outline (LEAD FREE) Unit:mm

5.23 0.12

1.55 0.25

0.73 0.03

4.2 0.1

0.457 0.025

0.38 0.05

0.39 0.05

1.27 0.025

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FS211F

Technology

BAG & BOX DIMENSION

160 mm

100 mm

FTC Logo

BAG LABEL

BAG

BOX

LABEL

630 mm

190 mm

INSIDE BOX

400mm

650mm

CARTON

LABEL

FTC Logo

CARTON

PACKING QUANTITY SPECIFICATIONS

1000 EA/1 BAG

25 BAGS/1 INSIDE BOX

4 INSIDE BOXES/1 CARTON

Rev0.7 May. 29, 2009(LF)

P. 12 / FS211F

FS211F

Technology

LABEL SPECIFICATIONS

7.5 cm

Feeling Technology Corp.

Product Type:

FS211LF- X

Lot No:

XXXXXXXXX

XXX

5.5 cm

Date Code:

Package Type:

Marking Type:

Tatal Q'ty:

SIP- 4L

XXXXX

無鉛

Lead Free

XXXXX

BAG LABEL, INSIDE BOX & CARTON LABEL

ORDER INFORMATION

Part Number

Operating Temperature

Package

Description

-20

℃

~ +90

℃

FS211LF-A

TO-92SP-4

±60G (B)

FS211LF-B

TO-92SP-4

±90G (B)

FS211LF-C1

±110G (B)

Rev0.7 May. 29, 2009(LF)

P. 13 / FS211F

FS211LF-B [FEELING]

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