Description
MO
NC VCC NC VMB φB PG
B NFB φB φA NFA PG
A φA VMA NC
4
2005-08-04
TA8435H/HQ
OUTPUT CIRCUIT
INPUT CIRCUIT
z CK1, CK2, CW / CCW, M1, M2, REF IN: Terminals z RESET , ENABLE : Terminals z OSC: Terminal
Equipped with 100 kΩ of pull-up resistance.5
2005-08-04
TA8435H/HQ
OSCILLATOR FREQUENCY CALCULATION
The sawtooth oscillator (OSC) circuit consists of Q1 through Q4 and R1 through R4. Q2 is turned off when VOSC is less than the voltage of 2.5 V + VBE (Q2), a value that is ap
Features
- z Single-chip bipolar sinusoidal micro-step stepping motor driver z Output current up to 1.5 A (AVE. ) and 2.5 A (PEAK) z PWM chopper-type z Structured by high voltage Bi-CMOS process technology z Forward and reverse rotation are available z 2-, 1-2-, W1-2-, and 2W1-2-phase modes, and one- or two-clock drives can be selected. z Package: HZIP25-P z Input pull-up resistor equipped with RESET pin: R = 100 kΩ (typ. ) z Output monitor available with MO IO ( MO ) = ±2 mA (MAX. ) z Equipped with RESET and.