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參數資料
型號: UDQ2916LB-T
元件分類: 運動控制電子
英文描述: STEPPER MOTOR CONTROLLER, 1 A, PDSO24
封裝: LEAD FREE, MS-013AD, SOIC-24
文件頁數: 4/9頁
文件大小: 465K
代理商: UDQ2916LB-T
Dual Full-Bridge Motor Driver
2916
4
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-
5000
www.allegromicro.com
Limits
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Units
Output Drivers (OUTA or OUTB)
Motor Supply Range
VBB
10
45
V
Output Leakage Current
ICEX
VOUT = VBB
< 1.0
50
μA
VOUT = 0
<–1.0
–50
μA
Output Sustaining Voltage
VCE(sus)
IOUT = ±750 mA, L = 3.0 mH
45
V
Output Saturation Voltage
VCE(SAT)
Sink Driver, IOUT = +500 mA
0.4
0.6
V
Sink Driver, IOUT = +750 mA
1.0
1.2
V
Source Driver, IOUT = –500 mA
1.0
1.2
V
Source Driver, IOUT = –750 mA
1.3
1.5
V
Clamp Diode Leakage Current
IR
VR = 45 V
< 1.0
50
μA
Clamp Diode Forward Voltage
VF
IF = 750 mA
1.6
2.0
V
Driver Supply Current
IBB(ON)
Both Bridges ON, No Load
20
25
mA
IBB(OFF)
Both Bridges OFF
5.0
10
mA
Control Logic
Input Voltage
VIN(1)
All inputs
2.4
V
VIN(0)
All inputs
0.8
V
Input Current
IIN(1)
VIN = 2.4 V
<1.0
20
μA
VIN = 0.8 V
– 3.0
–200
μA
Reference Voltage Range
VREF
Operating
1.5
7.5
V
Current Limit Threshold
VREF/VSENSE
I0 = I1 = 0.8 V
9.5
10
10.5
I0 = 2.4 V, I1 = 0.8 V
13.5
15
16.5
I0 = 0.8 V, I1 = 2.4 V
25.5
30
34.5
Thermal Shutdown Temperature
TJ
170
°C
Total Logic Supply Current
ICC(ON)
I0 = I1 = 0.8 V, No Load
40
50
mA
ICC(OFF)
I0 = I1 = 2.4 V, No Load
10
12
mA
Fixed Off-Time
toff
RT = 56 kΩ, CT = 820 pF
46
μs
ELECTRICAL CHARACTERISTICS at TA = +25°C, TJ ≤ 150°C, VBB = 45 V, VCC = 4.75 V to 5.25
V, VREF = 5.0 V (unless otherwise noted).
(at trip point)
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