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PDF TB6562ANG Data sheet ( Hoja de datos )
| Número de pieza | TB6562ANG | |
| Descripción | Dual Full-Bridge Driver IC | |
| Fabricantes | Toshiba Semiconductor | |
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Preliminary TOSHIBA Bi-CMOS Integrated Circuit Silicon Monolithic
TB6562ANG
TB6562ANG
Dual Full-Bridge Driver IC for Stepping Motors
The TB6562ANG is a 2-phase bipolar stepping motor driver that
contains DMOS transistors in the output stage. The driver
achieves high efficiency through the use of low ON-resistance
DMOS transistors and PWM current control circuitry.
Features
• 2-phase/1-2 phase/W 1-2 phase excitation
• PWM current control
• Power supply voltage: 40 V (max)
• Output current: 1.5 A (max)
• Low ON-resistance: 1.5 Ω (upper and lower transistors/typ.)
• Power-saving function
• Overcurrent protection: Ilim＝2.5 A (typ.)
• Thermal shutdown
• Package: SDIP24-P-300-1.78
Weight: 1.62 g (typ.)
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TB6562ANG:
TB6562ANG is Pb-free product.
The following conditions apply to solderability:
*Solderability
1. Use of Sn-63Pb solder bath
*solder bath temperature = 230˚C
*dipping time = 5 seconds
*number of times = once
*use of R-type flux
2. Use of Sn-3.0Ag-0.5Cu solder bath
*solder bath temperature = 245˚C
*dipping time = 5 seconds
*number of times = once
*use of R-type flux
1 2004-07-02
1 page  
TB6562ANG
Electrical Characteristics (VCC = 24 V, Ta = 25°C)
Characteristics
Symbol
Test
Circuit
Test Condition
Min Typ. Max Unit
ICC1
XT1A = XT2A = H, XT1B = XT2B = H ⎯ 6.5 10
Supply current
ICC2
⎯ XT1A = XT2A = L, XT1B = XT2B = L ⎯ 7.0 12 mA
ICC3
Standby mode
⎯ 2.0 4.0
Input voltage
Control circuit Input hysteresis
(Note 1)
voltage
Input current
VINH
VINL
VIN (HYS)
IINH
IINL
⎯
⎯
VIN = 5 V
⎯
VIN = 0 V
⎯
⎯
2⎯
-0.2 ⎯
5.5
0.8
⎯ 0.4 ⎯
V
30 50 75
µA
⎯⎯
5
Input voltage
VINSH
⎯
⎯
2 ⎯ 5.5
VINSL
⎯ −0.2 ⎯ 0.8 V
Standby circuit
Input hysteresis
voltage
VIN (HYS)
⎯
⎯ 0.4 ⎯
Input current
Output ON-resistance
Output leakage current
Diode forward voltage
Internal reference voltage
Input current
IINSH
IINSL
Ron (U + L)
IL (U)
IL (L)
VF (U)
VF (L)
Vreg
Iref
VIN = 5 V
⎯
VIN = 0 V
IO = 1.5 A
⎯
IO = 1.5 A
⎯ VCC = 40 V
VCC = 40 V
IO = 1.5 A
⎯
IO = 1.5 A
⎯ 1 mA
⎯ Vref = 0.5 V
30 50 75
µA
⎯⎯
5
⎯ 1.5 2.0
Ω
⎯ 1.5 2.0
⎯ ⎯ 10
µA
⎯ ⎯ 10
⎯ 1.3 2.0
V
⎯ 1.3 2.0
4.75 5 5.25 V
⎯ 5 10 µA
Vref circuit
Current limit
voltage
Vref (1/10)
Vref (1/15)
X1 = X2 = L
⎯
Vref = 5 V
X1 = L, X2 = H
⎯
Vref = 5 V
0.45 0.5 0.55
0.28 0.33 0.38
V
Vref (1/30)
X1 = H, X2 = L
⎯
Vref ＝5 V
0.12 0.17 0.22
Triangular-wave oscillation
frequency
fosc ⎯ C = 4700 pF
88 110 132 kHz
Thermal shutdown circuit operating
temperature
TSD
⎯
⎯ 160 ⎯
°C
Note 1: Phase, X1 and X2 pins
5 2004-07-02
5 Page 
TB6562ANG
(2) Transition from charge mode to discharge mode
If VRS > Vref after four clock signals in charge mode, the IC again enters discharge mode. After a
further four clock signals in discharge mode, VRS is compared with Vref. If VRS < Vref, the IC
operates in charge mode until VRS reaches Vref.
OSC
Internal
clock
Vref
VRS
GND
Discharge
Discharge
Charge
Charge
(3) Transition from discharge mode to charge mode
Even when the reference voltage has risen, discharge mode lasts for four clock signals and is then
toggled to charge mode.
OSC
Internal
clock
Vref VRS
Discharge
Charge
Discharge
GND
Internal oscillation frequency (fosc)
The internal oscillation frequency is determined by the charging and discharging of the external capacitor (Cosc):
ｆosc = 1 / (0.523 × (Cosc × 3700 ＋ Cosc × 600)) （theoretical formula）
11 2004-07-02
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet TB6562ANG.PDF ] | |
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