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PDF NTE1885 Data sheet ( Hoja de datos )
| Número de pieza | NTE1885 | |
| Descripción | Integrated Circuit Module / 4 Phase Stepping Motor Driver / 1.75A | |
| Fabricantes | NTE | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de NTE1885 (archivo pdf) en la parte inferior de esta página. Total 4 Páginas | ||
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NTE1885
Integrated Circuit
Module, 4 Phase Stepping Motor Driver, 1.75A
Features:
D Low heat generation due to constant current chopper system.
D Functions of pause action and power down.
D Able to be used in any stepping motor of hybrid typ, P.M. type, V.R. type.
D Inverter buffer provides direct drive, for 4 phase dual excitation.
D Built in sensing power resistors for load current.
D Protection elements for fly–back voltage are included.
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage, VCC (Quiescent) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50V
Phase Peak Current, IOH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.1A
Operating Case Temperature, TC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +105°C
Junction Temperature, Tj . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +125°C
Recommended Operating Conditions: (TA = +25°C Unless othrwise specified)
Supply Voltage Range, VCC1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22V to 45V
Phase Peak Current, IOH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5A
Operating Characteristics: (TA = +25°C, VCC1 = 36V, VCC2 = 5V Unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Diode Forward Voltage
Vdf–1 If = 0.3A
– 1.5 1.8 V
Output Saturation Voltage
Vdf–2
Vsat–1
Vsat–2
If = 0.5A
RL = 12Ω, Vin = GND,
VCC1 = 22V
RL = 21Ω, Vin = GND,
VCC1 = 36V
– 1.2 1.6
– 1.2 1.6
V
V
– 2.3 3.0 V
Output Current
OSC Frequency
IO–1
f
0.98 1.05 1.12 A
24 (Fixed OSC) kHz
Thermal Resistance
(Note 1)
θj–c TR1, TR6
TR2, TR3, TR4, TR5
– 8.0 – °C/W
– 13.5 –
Note 1. From Junction of each transistor or diode to substrate
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet NTE1885.PDF ] | |
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