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PDF STK672-732AN-E Data sheet ( Hoja de datos )
| Número de pieza | STK672-732AN-E | |
| Descripción | 2-phase Stepper Motor Driver | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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Ordering number : ENA2309
STK672-732AN-E
Thick-Film Hybrid IC
2-phase Stepper Motor Driver
http://onsemi.com
Overview
The STK672-732AN-E is a hybrid IC for use as a unipolar, 2-phase stepper motor driver with PWM current control.
Applications
Office photocopiers, printers, etc.
Features
Built-in overcurrent detection function, overheat detection function (output current OFF).
FAULT signal (active low) is output when overcurrent or overheat is detected.
Built-in power on reset function.
Phase signal input driver activated with an active Low and incorpororates a simulataneous ON prevention function.
Supports schmitt input for 2.5V high level input.
Incorporating a current detection resistor (0.141Ω: resistor tolerance 2%), motor current can be set using two
external resistors.
The ENABLE pin can be used to cut output current while maintaining the excitation mode.
Supports compatible pins with STK672-740AN-E.
Specifications
Absolute Maximum Ratings at Tc = 25C
Parameter
Maximum supply voltage 1
Maximum supply voltage 2
Input voltage
Output current 1
Output current 2
Output current 3
Allowable power dissipation 1
Allowable power dissipation 2
Operating substrate temperature
Junction temperature
Storage temperature
Symbol
VCC max
VDD max
Vin max
IOP max
IOH max
IOF max
PdMF max
PdPK max
Tcmax
Tjmax
Tstg
Conditions
No signal
No signal
Logic input pins
10μs 1 pulse (resistance load)
VDD = 5V, More than 200Hz
16pin Output current
With an arbitrarily large heat sink. Per MOSFET
No heat sink
Ratings
52
0.3 to 6.0
0.3 to 6.0
10
2.65
10
7.3
2.8
105
150
40 to 125
Unit
V
V
V
A
A
mA
W
W
°C
°C
°C
Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality should not be assumed,
damage may occur and reliability may be affected.
ORDERING INFORMATION
See detailed ordering and shipping information on page 26 of this data sheet.
Semiconductor Components Industries, LLC, 2014
March, 2014 Ver. 2.2a
30514HK 018-13-0071 No.2309-1/26
1 page  
STK672-732AN-E
Measurement Circuit
(The terminal which is not appointed is open. The measurement circuit of STK672-740AN-E is the same as
STK672-732AN-E.)
1. Vdf
24V
23Ω
926
13
17 5
12 7
10 3
1
15
14 STK672-
19 73xAN-E
16 18
V Vdf
GND
2. IILF,IILH,IILL,IIB
5V
IILF
5V IILH
A
GND IILL
IIB
1V A
GND
13 9
17 5
12 7
10 3
15
1
14
16 STK672-
19 73xAN-E
18 2 6
3. Vsat
5V
10k
13 9
17 5
12 7
10 3
15 1
5V 14 STK672-
73xAN-E
19
16 18 2 6
4. Icco, Ioave, fc,VOLF
Icco
5V
910
A
7.5K
13 9
17
12
10
5
7
3
15 1
14
STK672-
73xAN-E
19
16 18 2 6
Ioave
1Ω
0.62mH
Ioave
fc
SW
Close SW at
mesurement of VOLF
1K VOLF
24V
23Ω
V Vsat
GND
24V
＋
100μ
GND
No.2309-5/26
5 Page 
STK672-732AN-E
STK672-732AN-E
Technical data
1. Input Pins and Functional Overview
2. STK672-732AN-E over current detection, thermal shutdown detection.
3. STK672-732AN-E Allowable Avalanche Energy
4. STK672-732AN-E Internal Loss Calculation
5. Thermal Design
6. Package Power Loss PdPK Derating Curve for the Ambient Temperature Ta
7. Example of Stepper Motor Driver Output Current Path (1-2 phase excitation)
8. Other usage notes
No.2309-11/26
11 Page | ||
| Páginas | Total 26 Páginas | |
| PDF Descargar | [ Datasheet STK672-732AN-E.PDF ] | |
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