Electronic Components Datasheet Search
  English  ▼

Delete All
ON OFF
ALLDATASHEET.COM

X  

Preview PDF HTML

A3950 Datasheet(PDF) 4 Page - Allegro MicroSystems

Part No. A3950
Description  DMOS Full-Bridge Motor Driver
Download  12 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Maker  ALLEGRO [Allegro MicroSystems]
Homepage  http://www.allegromicro.com
Logo 

A3950 Datasheet(HTML) 4 Page - Allegro MicroSystems

 
Zoom Inzoom in Zoom Outzoom out
 4 / 12 page
background image
DMOS Full-Bridge Motor Driver
A3950
4
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
ELECTRICAL CHARACTERISTICS at TJ = 25°C, VBB = 8 to 36 V, unless noted otherwise
Characteristics
Symbol
Test Conditions
Min.
Typ.
Max. Units
Motor Supply Current
IBB
fPWM < 50 kHz
6
8.5
mA
Charge pump on, outputs disabled
3
4.5
mA
Sleep mode
10
μA
PHASE, ENABLE, MODE Input
Voltage
VIH
2.0
V
VIL
0.8
V
SLEEP Input Voltage
VIH
2.7
V
VIL
0.8
V
PHASE, MODE Input Current1
IIH
VIN = 2.0 V
<1.0
20
μA
IIL
VIN = 0.8 V
–20 <–2.0
20
μA
ENABLE Input Current
IIH
VIN = 2.0 V
40
100
μA
IIL
VIN = 0.8 V
16
40
μA
SLEEP Input Current
IIH
VIN = 2.7 V
27
50
μA
IIL
VIN = 0.8 V
<1
10
μA
NFAULT Output Voltage
VOL
Isink = 1.0 mA
0.4
V
Input Hysteresis, except SLEEP
VIHys
100
150
250
mV
Output On Resistance
RDS(on)
Source driver, IOUT = -2.8 A, TJ=25°C
0.35
0.48
Ω
Source driver, IOUT = -2.8 A, TJ=125°C
0.55
0.8
Ω
Sink driver, IOUT = 2.8 A, TJ=25°C
0.3
0.43
Ω
Sink driver, IOUT = 2.8 A, TJ=125°C
0.45
0.7
Ω
Body Diode Forward Voltage1
Vf
Source diode, If = –2.8 A
1.4
V
Sink diode, If = 2.8 A
1.4
V
Propagation Delay Time
tpd
PWM, change to source or sink ON
600
ns
PWM, change to source or sink OFF
100
ns
Crossover Delay
tCOD
500
ns
Protection Circuitry
UVLO Threshold
VUV
VBB increasing
6.5
V
UVLO Hysteresis
VUVHys
250
mV
Overcurrent Threshold2
IOCP
3––
A
Overcurrent Protection Period
tOCP
1.2
ms
Thermal Warning Temperature
TJW
Temperature increasing
160
°C
Thermal Warning Hysteresis
TJWHys
Recovery = TJW – TJWHys
–15–°C
Thermal Shutdown Temperature
TJTSD
Temperature increasing
175
°C
Thermal Shutdown Hysteresis
TJTSDHys Recovery = TJTSD – TJTSDHys
–15–°C
1For input and output current specifications, negative current is defined as coming out of (sourcing) the specified device pin.
2Overcurrent protection is tested at 25°C in a restricted range and guaranteed by characterization.
THERMAL CHARACTERISTICS may require derating at maximum conditions, see application information
Characteristic
Symbol
Test Conditions*
Value
Units
Package Thermal Resistance
RθJA
Preliminary: EU package, 4-layer PCB based on JEDEC standard
30
ºC/W
LP package, 4-layer PCB based on JEDEC standard
34
ºC/W
LP package, 2-layer PCB with 3.8 in.2 copper both sides, connected by
thermal vias
43
ºC/W
*Additional thermal data available on the Allegro Web site.


Html Pages

1  2  3  4  5  6  7  8  9  10  11  12 


Datasheet Download



Related Electronics Part Number

Part NumberComponents DescriptionHtml ViewManufacturer
3974_1DMOS DUAL FULL-BRIDGE PWM MOTOR DRIVER 1 2 3 4 5 MoreAllegro MicroSystems
A3969Dual Full-Bridge PWM Motor Driver 1 2 3 4 5 MoreAllegro MicroSystems
A3988Quad DMOS Full Bridge PWM Motor Driver 1 2 3 4 5 MoreAllegro MicroSystems
L6219DUAL FULL-BRIDGE PWM MOTOR DRIVER 1 2 3 4 5 MoreUnisonic Technologies
TB6592FLDual-Bridge Driver IC for DC motor 1 2 3 4 5 MoreSipex Corporation
A3985Digitally Programmable Dual Full-Bridge MOSFET Driver 1 2 3 4 5 MoreAllegro MicroSystems
UTCA98493-phase motor driver for CD-ROMs 1 2 3 4 5 MoreUnisonic Technologies
CS8441Stepper Motor Driver with Divide by Select 1 2 3 4 5 MoreON Semiconductor
SK12882-PHASE DC-FAN MOTOR DRIVER 1 2 3 4 5 MoreUnisonic Technologies
A3979Microstepping DMOS Driver with Translator 1 2 3 4 5 MoreAllegro MicroSystems

Link URL




Privacy Policy
ALLDATASHEET.COM
Does ALLDATASHEET help your business so far?  [ DONATE ]  

About Alldatasheet   |   Advertisement   |   Datasheet Upload   |   Contact us   |   Privacy Policy   |   Alldatasheet API   |   Link Exchange   |   Manufacturer List
All Rights Reserved© Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn