A4915METTR-T Datasheet, PDF (3/17 Pages) Allegro MicroSystems – 3-Phase MOSFET Driver

A4915
3-Phase MOSFET Driver
Pin-out Diagrams
VBB 1
SPEED 2
TDEAD 3
VDD 4
FAULT 5
ENABLE 6
DIR 7
21 GLA
20 CB
19 SB
PAD
18 GHB
17 GLB
16 CC
15 SC
ET Package
LSS 1
GLC 2
GHC 3
SC 4
CC 5
GLB 6
GHB 7
SB 8
CB 9
GLA 10
GHA 11
SA 12
CA 13
VREG 14
PAD
28 HC
27 HB
26 HA
25 BRAKEn
24 DIR
23 ENABLE
22 FAULT
21 VDD
20 TDEAD
19 SPEED
18 VBB
17 GND
16 CP1
15 CP2
LP Package
Terminal List Table
Name
Function
VBB
SPEED
TDEAD
VDD
FAULT
ENABLE
DIR
BRAKEn
HA
HB
HC
LSS
GLC
GHC
Supply voltage
Reference voltage input
Terminal for dead time setting
Logic supply input
Fault output
Logic input, PWM control
Logic input, motor direction
Logic input, motor brake (active low)
Hall input phase A
Hall input phase B
Hall input phase C
Sense input
Low-side gate drive
High-side gate drive
Number
ET LP
1 18
2 19
3 20
4 21
5 22
6 23
7 24
8 25
9 26
10 27
11 28
12 1
13 2
14 3
Name
SC
CC
GLB
GHB
SB
CB
GLA
GHA
SA
CA
VREG
CP2
CP1
GND
PAD
Function
High-side source connection
Bootstrap output phase C
Low-side gate drive
High-side gate drive
High-side source connection
Bootstrap output phase B
Low-side gate drive
High-side gate drive
High-side source connection
Bootstrap output phase a
Gate drive supply output
Charge pump capacitor terminal
Charge pump capacitor terminal
Ground
Exposed pad for enhanced thermal dissipation
Number
ET LP
15 4
16 5
17 6
18 7
19 8
20 9
21 10
22 11
23 12
24 13
25 14
26 15
27 16
28 17
––
Allegro MicroSystems, LLC
3
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com