參數(shù)資料
型號(hào)： TB62205FG
元件分類： 運(yùn)動(dòng)控制電子
英文描述： STEPPER MOTOR CONTROLLER, 0.96 A, PDSO38
封裝： 0.450 INCH, 0.65 MM PITCH, PLASTIC, HSOP-36/38
文件頁(yè)數(shù)： 8/36頁(yè)
文件大小： 828K
代理商： TB62205FG
TB62205FG
2005-04-04
16
Motor Electrical Characteristics 2
(unless otherwise specified, Ta
= 25°C, VM = 24 V, Ccp1 = 0.22 F, Ccp2 = 0.022 F)
Characteristics
Symbol
Test
Circuit
Test Condition
Min
Typ.
Max
Unit
Internal logic power supply voltage
VDD
DC
Automatically created
4.7
5.0
5.3
V
Vref input voltage
Vref
DC
RESET
Motor
= H, Output on
0
3.3
V
Vref input current
Iref
DC
RESET
Motor
= H,
Output off, Vref = 3.0 V
20
45
60
A
Vref attenuation ratio
Vref (gain)
DC
RESET
Motor
= H,
Output on, Vref = 0 V to 3.3 V
1/3.8
1/4
1/4.2
TSD temperature
TjTSD
(
Note 1)
DC
130
150
170
°C
VM return voltage
VMR
DC
RESET
Motor
= H, STRBE = H
10.5
11.0
11.5
V
Over current protected circuit
operation current
ISD
(
Note 2)
DC
fchop = 100 kHz set
3.0
A
Note 1: Thermal shutdown (TSD) circuit
When the IC junction temperature reaches the specified value and the TSD circuit is activated, the internal
reset circuit is activated switching the outputs of both motors to off.
When the temperature is set between 130 (min) to 170°C (max), the TSD circuit operates. When the TSD
circuit is activated, the function data latched at that time are cleared. Output is halted until the reset is
released. While the TSD circuit is in operation, the charge pump is halted.
Note 2: Overcurrent protection circuit
When current exceeding the specified value flows to the DCDC output, the internal reset circuit is activated
switching the outputs of both shafts to off.
When the ISD circuit is activated, the function data latched at that time are cleared.
The overcurrent protection circuit remains activated until the VM voltage is reapplied. Activating the ISD
initializes all the circuits in the IC, which causes the charge pump to be stopped. For the failsafe operation,
insert a fuse in the power supply.
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