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PDF TB6608FNG Data sheet ( Hoja de datos )
| Número de pieza | TB6608FNG | |
| Descripción | Stepping Motor Driver IC | |
| Fabricantes | Toshiba Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de TB6608FNG (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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TOSHIBA Bi−CD Integrated Circuit Silicon Monolithic
TB6608FNG
Stepping Motor Driver IC
TB6608FNG
The TB6608FNG is a PWM constant-current type stepping
motor driver IC designed for sinusoidal-input micro-step control of
stepping motors.
The TB6608FNG can be used in applications that require
2-phase, 1-2-phase, W1-2-phase and 2W1-2 phase excitation
modes. The TB6608FNG is capable of forward and reverse driving
of a 2-phase bipolar stepping motor using only a clock signal.
Features
• Motor power supply voltage: VM = 15 V (max)
Weight: 0.09 g (typ.)
• Control power supply voltage: VCC = 2.7 to 6 V
• Output current: Iout ≤ 0.8 A (max)
• Output ON-resistance: Ron = 1.5 Ω (upper and lower sum@VM = 5 V)
• Decoder that enables microstep control with the clock signal
• Selectable phase excitation modes (2, 1-2, W1-2 and 2W1-2)
• Internal pull-down resistors on inputs: 200 kΩ (typ.)
• Output monitor pin ( MO )
• Thermal shutdown (TSD) and undervoltage lockout (UVLO) circuits
• Small surface-mount package (SSOP20: 0.65 mm lead pitch)
• This product has a MOS structure and is sensitive to electrostatic discharge. When handling this product, ensure
that the environment is protected against electrostatic discharge by using an earth strap, a conductive mat and an
ionizer. Ensure also that the ambient temperature and relative humidity are maintained at reasonable levels.
• Do not insert devices in the wrong orientation or incorrectly. Otherwise, it may cause the device breakdown,
damage and/or deterioration.
About solderability, following conditions were confirmed
• Solderability
(1) Use of Sn-37Pb solder Bath
· solder bath temperature = 230°C
· dipping time = 5 seconds
· the number of times = once
· use of R-type flux
(2) Use of Sn-3.0Ag-0.5Cu solder Bath
· solder bath temperature = 245°C
· dipping time = 5 seconds
· the number of times = once
· use of R-type flux
1 2007-12-17
1 page  
2-Phase Excitation (M1: L, M2: L, CW Mode)
CK
MO
(%)
100
IA 0
−100
(%)
100
IB 0
−100
t0 t1 t2 t3 t4 t5 t6 t7
1-2-Phase Excitation (M1: H, M2: L, CW Mode)
CK
MO
(%)
100
71
IA 0
−71
−100
(%)
100
71
IB 0
−71
−100
t0 t1 t2 t3 t4 t5 t6 t7 t8
TB6608FNG
2-Phase Excitation (M1: L, M2: L, CCW Mode)
CK
MO
(%)
100
IA 0
−100
(%)
100
IB 0
−100
t0 t1 t2 t3 t4 t5 t6 t7
1-2-Phase Excitation (M1: H, M2: L, CCW Mode)
CK
MO
(%)
100
71
IA 0
−71
−100
(%)
100
71
IB 0
−71
−100
t0 t1 t2 t3 t4 t5 t6 t7 t8
5 2007-12-17
5 Page 
TB6608FNG
Relationship between the ENABLE Input and the Phase Current and MO Outputs
Example 1: 1-2-phase excitation (M1: H, M2: L)
Setting the ENABLE signal Low disables only the output signals. On the other hand, internal logic functions
continue to operate in accordance with the CK signal.
Therefore, when the ENABLE signal goes High again, the output current generation is restarted as if phases
proceeded with the CK signal.
CK
ENABLE
RESET
MO
(%)
100
71
Phase current
(AO1, AO2) 0
−71
−100
t0 t1 t2 t3
OFF
t7 t8 t9 t10 t11 t12
Example 2: 2W1-2-phase excitation (M1: H, M2: H)
CK
ENABLE
RESET
MO
(%)
10908
9823
71
56
38
20
IA 0
−20
−38
−56
−71
−−8932
−1−0908
t0 t1 t2 t3 t4 t5 t6 t7 t8 t9 t10 t11
OFF
11
t23 t24 t25 t26 t27 t28 t29 t30 t31 t32 t33 t34
2007-12-17
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet TB6608FNG.PDF ] | |
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