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Toshiba Electronic Components Datasheet

TB62201AFG Datasheet

Dual-Stepping Motor Driver IC for OA Equipment Using PWM Chopper Type

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TOSHIBA Bi-CMOS Processor IC Silicon Monolithic
TB62201AFG
TB62201AFG
Dual-Stepping Motor Driver IC for OA Equipment Using PWM Chopper Type
The TB62201AFG 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.
Features
z Two stepping motors driven by micro-step pseudo sine wave
are controlled by a single driver IC
Weight: 0.79 g (typ.)
z Monolithic Bi-CMOS IC
z Low ON-resistance of Ron = 0.5 (Tj = 25°C @ 1.0 A: typ.)
z ESD protection Exceeds 2000 V, MIL-STD-883D
z Two pairs of built-in 16-bit shift and latch registers
z Two pairs of built-in 4-bit DA converters for micro steps
z Built-in ISD, TSD, VDD&VM power monitor (reset) circuit for protection
z Built-in charge pump circuit (two external capacitors)
z 36-pin power flat package (HSOP36-P-450-0.D65a)taSheet4U.com
z Output voltage: 40 V max
z Output current: 1.5 A/phase max
z Built-in Mixed Decay mode enables specification of four-stage attenuation ratio.
(The attenuation ratio table can be overwritten externally.)
z Chopping frequency can be set by external resistors and capacitors. High-speed chopping possible at 100 kHz or
higher.
DataShee
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.
DataSheet4U.com
DataSheet4 U .com
1 2005-04-04
DataSheet4U.com


Toshiba Electronic Components Datasheet

TB62201AFG Datasheet

Dual-Stepping Motor Driver IC for OA Equipment Using PWM Chopper Type

No Preview Available !

www.DataSheet4U.com
TB62201AFG
Block Diagram
1. Overview (Power lines: A/B unit (C/D unit is the same as A/B unit))
RESET
SETUP
DATA
CLK
STROBE
Vref
et4U.com
RS
VM
Mixed decay timing, table logic circuit
16-bit shift
register
16-bit latch
Mixed decay
timing table
selector
DATA
input
selector
Current control data logic circuit
16-bit shift
register
16-bit latch
Current Setting
Torque
control
Current feedback circuit
VRS
circuit 1
4-bit D/A
(angle control)
RS COMP
circuit 1
Chopping reference
circuit
Chopping
waveform
generator
circuit
Waveform
shaping
circuit
Output control circuit
VRS
circuit 2
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CR
DataShee
Charge
pump
circuit
High-Voltage Wiring (VM)
Logic data
Analog data
IC Terminal
Output circuit
(H-bridge)
ISD
circuit
TSD
circuit
VDDR/VMR
VM circuit VDD
Protected circuit
Out X
Stepping
motor
DataSheet4U.com
DataSheet4 U .com
2 2005-04-04
DataSheet4U.com


Part Number TB62201AFG
Description Dual-Stepping Motor Driver IC for OA Equipment Using PWM Chopper Type
Maker Toshiba Semiconductor
Total Page 30 Pages
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