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參數(shù)資料
| 型號： | A2919 |
| 廠商： | Allegro MicroSystems, Inc. |
| 英文描述： | Dual Full-Bridge PWM Motor Driver(雙全橋脈寬調(diào)制電機驅(qū)動器) |
| 中文描述： | 雙路全橋式PWM馬達驅(qū)動器（雙全橋脈寬調(diào)制電機驅(qū)動器） |
| 文件頁數(shù)： | 1/8頁 |
| 文件大小： | 98K |
| 代理商： | A2919 |
2919
DUAL FULL-BRIDGE
MOTOR DRIVER
DUAL FULL-BRIDGE
PWM MOTOR DRIVER
A2919SB
1
2
3
4
5
6
7
8
9
9
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
θ
2
θ
1
V
CC
P
P
2
V
BB
1
GROUND
GROUND
GROUND
GROUND
02
I
12
I
PHASE
2
V
REF 2
2
RC
1
RC
V
REF 1
PHASE
1
11
I
2B
OUT
SENSE
2
2
E
2A
OUT
1A
OUT
1
E
SENSE
1
1B
OUT
01
I
LOAD
SUPPLY
LOGIC
SUPPLY
Dwg. PP-005
D
2
ABSOLUTE MAXIMUM RATINGS
at T
J
≤
150
°
C
Motor Supply Voltage, V
BB
...................
45 V
Output Current, I
OUT
(Peak, t
w
≤
20
μ
s)........................
±
1.0 A
(Continuous) ..........................
±
750 mA
Logic Supply Voltage, V
CC
...................
7.0 V
Logic Input Voltage Range,
V
IN
...............................
-0.3 V to +7.0 V
Output Emitter Voltage, V
E
..................
1.5 V
Package Power Dissipation,
P
D
.......................................
See Graph
Operating Temperature Range,
T
A
.................................
-20
°
C to +85
°
C
Storage Temperature Range,
T
S
...............................
-55
°
C to +150
°
C
Output current rating may be limited by duty cycle,
ambient temperature, and heat sinking. Under any
set of conditions, do not exceed the specified peak
current rating or a junction temperature of +150
°
C.
The A2919SB and A2919SLB motor drivers are designed to drive
both windings of a bipolar stepper motor or bidirectionally control two
dc motors. Both bridges are capable of sustaining 45 V and include
internal pulse-width modulation (PWM) control of the output current to
750 mA. The outputs have been optimized for a low output-saturation
voltage drop (less than 1.8 V total source plus sink at 500 mA).
For PWM current control, the maximum output current is deter-
mined by the user’s selection of a reference voltage and sensing
resistor. Two logic-level inputs select output current limits of 0%, 41%,
67%, or 100% of the maximum level. A PHASE input to each bridge
determines load current direction.
The bridges include both ground clamp and flyback diodes for
protection against inductive transients. Internally generated delays
prevent cross-over currents when switching current direction. Special
power-up sequencing is not required. Thermal protection circuitry
disables the outputs if the chip temperature exceeds safe operating
limits.
The A2919SB is supplied in a 24-pin dual in-line plastic batwing
package with a copper lead-frame and heat sinkable tabs for improved
power dissipation capabilities. The A2919SLB is supplied in a 24-lead
surface-mountable SOIC. Their batwing construction provides for
maximum package power dissipation in the smallest possible construc-
tion. The A2919SB/SLB are available for operation from -40
°
C to
+85
°
C. To order, change the suffix from 'S–' to 'E–'. These devices
are also available on special order for operation to +125
°
C. For
applications not requiring quarter-step operation, but desire lower
detent or running current, the similar UDN2916B/EB/LB may be pre-
ferred.
FEATURES
I
750 mA Continuous Output Current
I
45 V Output Sustaining Voltage
I
Internal Clamp Diodes
I
Internal PWM Current Control
I
Low Output Saturation Voltage
I
Internal Thermal Shutdown Circuitry
I
Half- or Quarter-Step Operation of Bipolar Stepper Motors
Always order by complete part number:
Part Number
Package
A2919SB
24-Pin DIP
A2919SLB
24-Lead SOIC
R
θ
JA
40
°
C/W
55
°
C/W
R
θ
JT
6.0
°
C/W
6.0
°
C/W
2919
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| A2927SEB | DUAL FULL-BRIDGE PWM MOTOR DRIVER |
| A29400TM-55 | 128 x 64 pixel format, LED Backlight available |
| A29400TM-70 | 128 x 64 pixel format, LED Backlight available |
| A29400UM-55 | 1760A CALIBRATED BY NEWARK SERVICES |
| A29400UM-70 | 512K X 8 Bit / 256K X 16 Bit CMOS 5.0 Volt-only, Boot Sector Flash Memory |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| A2919EB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Industrial Control IC |
| A2919ELB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Industrial Control IC |
| A2919SB | 功能描述:IC MOTOR DRIVER PWM DUAL 24-DIP RoHS:否 類別:集成電路 (IC) >> PMIC - 電機和風(fēng)扇控制器，驅(qū)動器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 應(yīng)用:直流電機驅(qū)動器，步進電機驅(qū)動器 評估套件:- 輸出數(shù):1 或 2 電流 - 輸出:750mA 電壓 - 負(fù)載:10 V ~ 40 V 電源電壓:4.5 V ~ 5.5 V 工作溫度:-20°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:24-BFSOP（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:24-SOP 包裝:Digi-Reel® 其它名稱:MTS62C19A-HS105DKR |
| A2919SLB | 功能描述:IC MOTOR DRIVER PWM DUAL 24-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 電機和風(fēng)扇控制器，驅(qū)動器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 應(yīng)用:直流電機驅(qū)動器，步進電機驅(qū)動器 評估套件:- 輸出數(shù):1 或 2 電流 - 輸出:750mA 電壓 - 負(fù)載:10 V ~ 40 V 電源電壓:4.5 V ~ 5.5 V 工作溫度:-20°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:24-BFSOP（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:24-SOP 包裝:Digi-Reel® 其它名稱:MTS62C19A-HS105DKR |
| A2919SLB-T | 功能描述:IC MOTOR DRIVER PWM DUAL 24-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 電機和風(fēng)扇控制器，驅(qū)動器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 應(yīng)用:直流電機驅(qū)動器，步進電機驅(qū)動器 評估套件:- 輸出數(shù):1 或 2 電流 - 輸出:750mA 電壓 - 負(fù)載:10 V ~ 40 V 電源電壓:4.5 V ~ 5.5 V 工作溫度:-20°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:24-BFSOP（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:24-SOP 包裝:Digi-Reel® 其它名稱:MTS62C19A-HS105DKR |
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