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TB62209F Datasheet

  • TB62209F

  • Stepping Motor Driver IC Using PWM Chopper Type

  • 51頁

  • TOSHIBA

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TB62209F
Preliminary
TOSHIBA BiCD Processor IC Silicon Monolithic
TB62209F
Stepping Motor Driver IC Using PWM Chopper Type
The TB62209F is a stepping motor driver driven by chopper
micro-step pseudo sine wave.
The TB62209F integrates a decoder for CLK input in micro
steps as a system to facilitate driving a two-phase stepping motor
using micro-step pseudo sine waves. Micro-step pseudo sine
waves are optimal for driving stepping motors with low-torque
ripples and at low oscillation. Thus, the TB62209F can easily
drive stepping motors with low-torque ripples and at high
efficiency.
Also, TB62209F consists output steps by DMOS (Power MOS
Weight:
g (typ.)
FET), and that makes possible to control the output power
dissipation much lower than ordinary IC with bipolar transistor output.
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.
Features
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Bipolar stepping motor can be controlled by a single driver IC
Monolithic BiCD IC
Low ON-resistance of R
on
=
0.5
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(T
j
=
25擄C @1.0 A: typ.)
Built-in decoder and 4-bit DA converters for micro steps
Built-in ISD, TSD, V
DD
&V
M
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: 1.8 A/phase max
2-phase, 1-2 (type 2) phase, W1-2 phase, 2W1-2 phase, 4W1-2 phase, or motor lock mode can be selected.
Built-in Mixed Decay mode enables specification of four-stage attenuation ratio.
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.
1
2001-09-05

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