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A4990KLPTR-T Datasheet(PDF) 3 Page - Allegro MicroSystems

Part # A4990KLPTR-T
Description  Automotive Dual Full Bridge Driver
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Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

A4990KLPTR-T Datasheet(HTML) 3 Page - Allegro MicroSystems

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Automotive Dual Full Bridge Driver
A4990
3
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Pin-out Diagram
Terminal List Table
Number
Name
Function
CP1
17
Charge pump capacitor
CP2
18
Charge pump capacitor
EF1
3
Error flag 1
EF2
6
Error flag 2
GND
9
Ground
IN1
4
Bridge control input 1, phase A
IN2
5
Bridge control input 2, phase A
IN3
15
Bridge control input 3, phase B
IN4
14
Bridge control input 4, phase B
INH
7
Drive disable input, active low
OUT1
2
Bridge output 1, phase A
OUT2
19
Bridge output 2, phase A
OUT3
8
Bridge output 3, phase B
OUT4
12
Bridge output 4, phase B
PAD
–
Exposed thermal pad for enhanced thermal dissipation
SENS12
1
Current sense node, phase A bridge
SENS34
10
Current sense node, phase B bridge
VBB
11, 20
Motor supply voltage
VCP
16
Pump storage capacitor
VREG
13
Regulated voltage
20
19
18
17
1
2
3
4
5
6
7
8
9
10
Reg
SENS12
OUT1
IN2
EF2
OUT3
GND
PAD
VBB
OUT2
CP2
CP1
IN4
VREG
OUT4
EF1
VCP
IN1
IN3
SENS34
VBB
Charge
Pump
16
15
Input/Output
and Control
INH
14
13
12
11


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