基于51单片机的PWM控制直流电机源程序_51单片机使用L298N进行pwm控制直流电机转速资源-CSDN文库

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51单片机

直流电机

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PWM（直流电机）例程.zip （20个子文件）

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PWM脉宽调制.plg 241B

PWM脉宽调制_uvopt.bak 72KB

PWM脉宽调制.uvopt 55KB

PWM脉宽调制 2KB

PWM.OBJ 2KB

PWM.LST 3KB

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STARTUP.LST 11KB

PWM脉宽调制.uvproj 13KB

PWM脉宽调制.hex 246B

PWM脉宽调制_Opt.Bak 1023B

PWM脉宽调制.M51 5KB

STARTUP.A51 5KB

PWM.c 2KB

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PWM脉宽调制_Uv2.Bak 2KB

STARTUP.OBJ 749B

PWM脉宽调制.lnp 62B

接线图.JPG 1.57MB

datasheet-相关芯片手册

ULN2003A.pdf 514KB

The ULN2001A is obsolete

nd is no longer supplied.

     

 

  

SLRS027G − DECEMBER 1976 − REVISED JUNE 2004

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

D 500-mA-Rated Collector Current

(Single Output)

D High-Voltage Outputs ...50 V

D Output Clamp Diodes

D Inputs Compatible With Various Types of

Logic

D Relay-Driver Applications

description/ordering information

The ULN2001A, ULN2002A, ULN2003A,

ULN2004A, ULQ2003A, and ULQ2004A are

high-voltage, high-current Darlington transistor

arrays. Each consists of seven npn Darlington

pairs that feature high-voltage outputs

with common-cathode clamp diodes for switching inductive loads. The collector-current rating of a single

Darlington pair is 500 mA. The Darlington pairs can be paralleled for higher current capability. Applications

include relay drivers, hammer drivers, lamp drivers, display drivers (LED and gas discharge), line drivers, and

logic buffers. For 100-V (otherwise interchangeable) versions of the ULN2003A and ULN2004A, see the

SN75468 and SN75469, respectively.

ORDERING INFORMATION

PACKAGE

†

ORDERABLE

PART NUMBER

TOP-SIDE

MARKING

ULN2002AN ULN2002AN

PDIP (N) Tube of 25

ULN2003AN ULN2003AN

PDIP (N)

Tube of 25

ULN2004AN ULN2004AN

Tube of 40 ULN2003AD

ULN2003A

SOIC (D)

Reel of 2500 ULN2003ADR

ULN2003A

−20°C to 70°C

SOIC (D)

Tube of 40 ULN2004AD

ULN2004A

−20 C to 70 C

Reel of 2500 ULN2004ADR

ULN2004A

SOP (NS)

Reel of 2000

ULN2003ANSR ULN2003A

SOP (NS) Reel of 2000

ULN2004ANSR ULN2004A

TSSOP (PW)

Tube of 90 ULN2003APW

UN2003A

TSSOP (PW)

Reel of 2000 ULN2003APWR

UN2003A

PDIP (N)

Tube of 25

ULQ2003AN ULQ2003A

PDIP (N) Tube of 25

ULQ2004AN ULQ2004AN

−40°C to 85°C

Tube of 40 ULQ2003AD ULQ2003A

−40°C to 85°C

SOIC (D)

Reel of 2500 ULQ2003ADR ULQ2003A

SOIC (D)

Tube of 40 ULQ2004AD ULQ2004A

Reel of 2500 ULQ2004ADR ULQ2004A

†

Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are

available at www.ti.com/sc/package.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications o

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

  !" # $%&" !#  '%()$!" *!"&+

*%$"# $ " #'&$$!"# '& ",& "&#  &-!# #"%&"#

#"!*!* .!!"/+ *%$" '$&##0 *&# " &$&##!)/ $)%*&

"&#"0  !)) '!!&"&#+

ULN2001A ...D OR N PACKAGE

ULN2002A ...N PACKAGE

ULN2003A . . . D, N, NS, OR PW PACKAGE

ULN2004A . . . D, N, OR NS PACKAGE

ULQ2003A, ULQ2004A ...D OR N PACKAGE

(TOP VIEW)

COM

 '*%$"# $')!" " 12344 !)) '!!&"&# !& "&#"&*

%)&## ",&.#& "&*+  !)) ",& '*%$"# '*%$"

'$&##0 *&# " &$&##!)/ $)%*& "&#"0  !)) '!!&"&#+

The ULN2001A is obsolete

nd is no longer supplied.

     

 

  

SLRS027G − DECEMBER 1976 − REVISED JUNE 2004

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

description/ordering information (continued)

The ULN2001A is a general-purpose array and can be used with TTL and CMOS technologies. The ULN2002A

is designed specifically for use with 14-V to 25-V PMOS devices. Each input of this device has a Zener diode

and resistor in series to control the input current to a safe limit. The ULN2003A and ULQ2003A have a 2.7-kΩ

series base resistor for each Darlington pair for operation directly with TTL or 5-V CMOS devices. The

ULN2004A and ULQ2004A have a 10.5-kΩ series base resistor to allow operation directly from CMOS devices

that use supply voltages of 6 V to 15 V. The required input current of the ULN/ULQ2004A is below that of the

ULN/ULQ2003A, and the required voltage is less than that required by the ULN2002A.

logic diagram

COM

The ULN2001A is obsolete

nd is no longer supplied.

     

 

  

SLRS027G − DECEMBER 1976 − REVISED JUNE 2004

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

schematics (each Darlington pair)

Input

Output

COM

ULN2001A

7.2 kΩ 3 kΩ

Outpu

COM

ULN2002A

7.2 kΩ

3 kΩ

10.5 kΩ

7 V

Input

Output

COM

ULN2003A, ULN2004A, ULQ2003A, ULQ2004A

7.2 kΩ

3 kΩ

Input

ULN/ULQ2003A: R

= 2.7 kΩ

ULN/ULQ2004A: R

= 10.5 kΩ

All resistor values shown are nominal.

The ULN2001A is obsolete

nd is no longer supplied.

     

 

  

SLRS027G − DECEMBER 1976 − REVISED JUNE 2004

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

absolute maximum ratings at 25°C free-air temperature (unless otherwise noted)

†

Collector-emitter voltage 50 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Clamp diode reverse voltage (see Note 1) 50 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Input voltage, V

(see Note 1) 30 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Peak collector current (see Figures 14 and 15) 500 mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Output clamp current, I

500 mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Total emitter-terminal current −2.5 A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operating free-air temperature range, T

, ULN200xA −20°C to 70°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ULQ200xA −40°C to 85°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ULQ200xAT −40°C to 105°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Package thermal impedance, θ

(see Notes 2 and 3): D package 73°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . .

N package 67°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . .

NS package 64°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . .

PW package 108°C/W. . . . . . . . . . . . . . . . . . . . . . . . .

Package thermal impedance, θ

(see Notes 4 and 5): D package 36°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . .

N package 54°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operating virtual junction temperature, T

150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds 260°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Storage temperature range, T

stg

−65°C to 150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

†

Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and

functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not

implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

NOTES: 1. All voltage values are with respect to the emitter/substrate terminal E, unless otherwise noted.

2. Maximum power dissipation is a function of T

(max), θ

, and T

. The maximum allowable power dissipation at any allowable

ambient temperature is P

= (T

(max) − T

)/θ

. Operating at the absolute maximum T

of 150°C can affect reliability.

3. The package thermal impedance is calculated in accordance with JESD 51-7.

4. Maximum power dissipation is a function of T

(max), θ

, and T

. The maximum allowable power dissipation at any allowable case

temperature is P

= (T

(max) − T

)/θ

. Operating at the absolute maximum T

of 150°C can affect reliability.

5. The package thermal impedance is calculated in accordance with MIL-STD-883.

electrical characteristics, T

= 25°C (unless otherwise noted)

PARAMETER

TEST

TEST CONDITIONS

ULN2001A ULN2002A

UNIT

PARAMETER

TEST

FIGURE

TEST CONDITIONS

MIN TYP MAX MIN TYP MAX

UNIT

I(on)

On-state input voltage 6 V

= 2 V, I

= 300 mA 13 V

Collector-emitter

= 250 µA, I

= 100 mA 0.9 1.1 0.9 1.1

CE(sat)

Collector-emitter

saturation voltage

= 350 µA, I

= 200 mA 1 1.3 1 1.3

CE(sat)

saturation voltage

= 500 µA, I

= 350 mA 1.2 1.6 1.2 1.6

Clamp forward voltage 8 I

= 350 mA 1.7 2 1.7 2 V

1 V

= 50 V, I

= 0 50 50

CEX

Collector cutoff current

= 50 V,

= 0 100 100

µA

CEX

Collector cutoff current

= 50 V,

= 70°C

= 6 V 500

µA

I(off)

Off-state input current

= 50 V,

= 500 µA

I(off)

Off-state input current 3

= 50 V,

= 70°C

= 500 µA,

50 65 50 65 µA

Input current 4 V

= 17 V 0.82 1.25 mA

Clamp reverse current

= 50 V, T

= 70°C 100 100

Clamp reverse current 7

= 50 V 50 50

µA

Static forward-current

transfer ratio

5 V

= 2 V, I

= 350 mA 1000

Input capacitance V

= 0, f = 1 MHz 15 25 15 25 pF

The ULN2001A is obsolete

nd is no longer supplied.

     

 

  

SLRS027G − DECEMBER 1976 − REVISED JUNE 2004

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

electrical characteristics, T

= 25°C (unless otherwise noted) (continued)

PARAMETER

TEST

TEST CONDITIONS

ULN2003A ULN2004A

UNIT

PARAMETER

TEST

FIGURE

TEST CONDITIONS

MIN TYP MAX MIN TYP MAX

UNIT

= 125 mA 5

= 200 mA 2.4 6

I(on)

On-state input voltage

= 2 V

= 250 mA 2.7

I(on)

On-state input voltage 6 V

= 2 V

= 275 mA 7

= 300 mA 3

= 350 mA 8

Collector-emitter

= 250 µA, I

= 100 mA 0.9 1.1 0.9 1.1

CE(sat)

Collector-emitter

saturation voltage

= 350 µA, I

= 200 mA 1 1.3 1 1.3

CE(sat)

saturation voltage

= 500 µA, I

= 350 mA 1.2 1.6 1.2 1.6

1 V

= 50 V, I

= 0 50 50

CEX

Collector cutoff current

= 50 V,

= 0 100 100

µA

CEX

Collector cutoff current

= 50 V,

= 70°C

= 1 V 500

µA

Clamp forward voltage 8 I

= 350 mA 1.7 2 1.7 2 V

I(off)

Off-state input current

= 50 V,

= 500 µA,

I(off)

Off-state input current 3

= 50 V,

= 70°C

= 500 µA,

50 65 50 65 µA

= 3.85 V 0.93 1.35

Input current 4

= 5 V 0.35 0.5

Input current

= 12 V 1 1.45

Clamp reverse current

= 50 V 50 50

Clamp reverse current 7

= 50 V, T

= 70°C 100 100

µA

Input capacitance V

= 0, f = 1 MHz 15 25 15 25 pF

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