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TB62202AFG
Stepping motor driver IC
TB62202AFG
TOSHIBA Bi−CMOS Processor IC Silicon Monolithic
TB62202AFG Dual-Stepping Motor Driver IC for OA Equipment Using PWM Chopper Type
The TB62202AFG is a dual-stepping motor driver driven by
chopper micro-step pseudo sine wave.
To drive two-phase stepping motors, Two pairs of 16-bit latch and
shift registers are built in the IC. The IC is optimal for driving
stepping motors at high efficiency and with low-torque ripple.
The IC supports Mixed Decay mode for switching the attenuation
ratio at chopping. The switching time for the attenuation ratio
can be switched in four stages according to the load.
The suffix (G) appended to the part number represents a Lead
(Pb) -Free product.
Features Two stepping motors driven by micro−step pseudo sine wave
are controlled by a single driver IC Monolithic Bi-CMOS IC Low ON-resistance of Ron = 1.2 Ω (Tj = 25°C @1.0 A: Typ.) Two pairs of built-in 16-bit shift and latch registers Two pairs of built-in 4-bit DA converters for micro steps Built-in ISD, TSD, VDD and VM power monitor (reset) circuit for protection Built-in charge pump circuit (two external capacitors) 36-pin power flat package (HSOP36-P-450-0.65) Output voltage: 40 V max Output current: 1.0 A/phase max Built-in Mixed Decay mode enables specification of four-stage attenuation ratio.
(The attenuation ratio table can be overwritten externally.) Chopping frequency can be set by external resistors and capacitors. High-speed chopping possible at 100 kHz or
higher.
Note: When using the IC, pay attention to thermal conditions.
These devices are easy damage by high static voltage.
In regards to this, please handle with care.
Weight: 0.79 g (typ.)
