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THB6064AH 데이터시트 PDF




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부품번호 THB6064AH 기능
기능 PWM Chopper-Type bipolar Stepping Motor Driver IC
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THB6064AH 데이터시트, 핀배열, 회로
THB6064AH
THB6064AH
THB6064AH
PWM Chopper-Type bipolar
Stepping Motor Driver IC
The THB6064AH is a PWM chopper-type sinusoidal micro-step
bipolar stepping motor driver IC.
It supports 8 kind of excitation modes and forward/reverse mode and
is capable of low-vibration, high-performance drive of 2-phase bipolar
type stepping motors using only a clock signal.
THB6064AH
Features
x Single-chip bipolar sinusoidal micro-step stepping motor driver
x Uses high withstand voltage BiCD process:
Ron (upper ҙ lower) 0.4 : (typ.)
Weight:
HZIP25-P-1.27: 9.86 g (typ.)
x Forward and reverse rotation control available
x Selectable phase drive (1/2,1/8,1/10, 1/16, 1/20, 1/32, 1/40, 1/64 step)
x High output withstand voltage: VDSS 50 V
x High output current: IOUT 4.5 A (peak)
x Packages: HZIP25-P-1.27
x Output monitor pins (DOWN / ALERT)
x Equipped with reset and enable pins
x Built-in thermal shutdown(TSD) and over-current detection(ISD) circuit
TheTHB6064AH is a Sn-Ag plated product including Pb.
The following conditions apply to solderability:
*Solderability
1. Use of Sn-37Pb solder bath
*solder bath temperature 230°C
*dipping time 5 seconds
*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
These ICs are highly sensitive to electrostatic discharge. When handling them, ensure that the environment is protected
against electrostatic discharge. Ensure also that the ambient temperature and relative humidity are maintained at
reasonable level.
ESD(Electro-Static Discharge) HBM±1500V, MM±150V (design target value)
1 2011-05-11




THB6064AH pdf, 반도체, 판매, 대치품
THB6064AH
Absolute Maximum Ratings (Ta 25°C)
Characteristic
Power supply voltage
Output current
Drain current (ALERT, DOWN)
Input voltage
Symbol
VDD
VMA/B
IO (PEAK)
I ALERT
I DOWN
VIN
Power dissipation
PD
Operating temperature
Storage temperature
Topr
Tstg
Note 1: T 100ms
Note 2: Ta 25°C, No heat sink.
Note 3: Ta 25°C, with infinite heat sink.
Rating
Unit
6
V
50
4.5(Note 1) A/phase
1 mA
5.5
5 (Note 2)
43 (Note 3)
30 to 85
55 to 150
V
W
°C
°C
THB6064AH
Operating Range (Ta ҟ30 to 85°C)
Characteristic
Power supply voltage
Output current
Input voltage
Clock frequency(**)
Chopping frequency
OSC frequency
Symbol
VDD
VMA/B
IOUT
VIN
Vref(*)
fCLK
fchop
fOSC2
Test Condition

VMA/B ̱ VDD




(design target value)

Min Typ. Max Unit
4.5 5.0 5.5
4.5  42
V
  4.5 A
0  5.5
V
0.5  3.0
  200 kHz
15 40 65 kHz
2.6 4 5.4 MHz
*Do not apply 3.5V or over to the Vref terminal.
**IC can not be damaged within 200kHz. However, the customer can accept that a motor does not always rotate at
high frequency of CLK.
4 2011-05-11

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THB6064AH 전자부품, 판매, 대치품
THB6064AH
THB6064AH
100% current Settings (Current Value)
100% current value is determined by Vref inputted from external part and the external resistance for detecting
output current.
Vref is doubled 1/3 inside IC, and compared with VRS.
  Io(100%) = Vref x 1/3 x 1/Rs
The average current is lower than the calculated value because this IC has the method of peak current detection.
OSC1 and OSC2
(1)OSC1
Triangle wave is generated internally by CR oscillation with the capacitor and the resistor in the IC.
fosc1 100 kHz
(2)OSC2
Triangle wave is generated internally by CR oscillation by connecting external resistor to OSC2 terminal.
Rosc2: 24kȍ ̰ Rosc2 ̰ 180kȍ
Relation of external resistor and frequency ( fchop) is as follows;
* Values of the table below are tentative.

Rosc2(Kȍ)
180
51
24
Fchop(KHz)
15
40
65
Decay Mode Settings
It takes approximately five OSC cycles for discharging a current in PWM mode. The 20% fast decay mode is
created by inducing decay during the last cycle in Fast Decay mode; the 40% fast Decay mode is created by
inducing decay during the last two cycles in Fast Decay mode; the 60% fast Decay mode is created by inducing
decay during the last three cycles in Fast Decay mode; the 80% fast Decay mode is created by inducing decay
during the last four cycles in Fast Decay mode.
Since the DCY1 and DCY2 pins have internal pull-down resistors, the 20% fast decay mode is selected when
DCY1 and DCY2 are undriven.
Dcy2
L
L
H
H
Dcy1
L
H
L
H
Current Decay Setting
20% Fast Decay
40% Fast Decay
60% Fast Decay
80% Fast Decay
7 2011-05-11

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