ALLEGRO APEK5931GES-01-T Evaluation Board User Guide
- June 16, 2024
- ALLEGRO
Table of Contents
ALLEGRO APEK5931GES-01-T Evaluation Board
DESCRIPTION
Figure 1: A5931xES Evaluation Board
This evaluation board is used to demonstrate the Allegro
A5931GES three-phase sensorless fan driver IC.
FEATURES
- USB communications to allow a GUI to control the device via I2C
- Switch to program devices that have been embedded into a fan
EVALUATION BOARD CONTENTS
- APEK5931xES-01-T evaluation board
Table 1: A5931GES Evaluation Board Configurations
| Configuration Name | Part Number |
|---|---|
| APEK5931GES-01-T | A5931GES-T |
| APEK5931KES-01-T | A5931KES-T |
Table 2: General Specifications
Specification|
Min.
| Nom.| Max.|
Units
---|---|---|---|---
Motor Supply Voltage (VBB)|
5
| –| 16|
V
VREF Output Voltage (VBB = 5 to 16 V)|
2.75
| 2.85| 2.95|
V
Input Logic Low Level|
0
| –| 0.8|
V
Input Logic High Level|
2
| –| –|
V
USING THE EVALUATION BOARD
EQUIPMENT REQUIRED
- Fan
- Voltage supply to power the fan
- Standard A Male to Mini B Male USB cable (not included)
- Personal computer for USB control
SETUP
-
Set the motor voltage supply to the intended voltage.
-
Turn off motor voltage supply.
-
Connect motor voltage supply to J2.
-
Connect the fan to either J1 (screw-down terminals) or CN4
(Molex 0022022035; Digikey WM3201-ND).
Note: Do not connect or disconnect the fan unless the outputs are either disabled or the VBB voltage is off. -
If using the GUI, connect the USB cable to CN1 and a personal computer.
-
Turn the voltage supply on.
SCHEMATIC
LAYOUT
BILL OF MATERIALS
Table 3: APEK5931xES-01-T Evaluation Board Bill of Materials
ELECTRICAL COMPONENTS
Designator| Quantity| Value| Description| Part Type|
Footprint
C1, C2| 2| 0.1 µF| 16 V Capacitor| Murata GRM219R71C104KA01D; Digikey
490-1683-1-ND| 0805
C3| 1| 4.7 µF| 35 V Capacitor| Chemi-Con EMZA350ADA4R7MD61G; Digikey
565-2553-1-ND| UCC D61 Cap
C4| 1| 0.01 µF| 50 V Capacitor| Murata GRM216R71H103KA01D; Digikey
490-1664-1-ND| 0805
C7, C8, C9, C11| 4| 0.1 µF| 25 V Capacitor| Kemet C0805C104K3RACTU; Digikey
399-1168-1-ND| 0805
C10, C12| 2| 10 µF| 25 V Capacitor| TDK C3225X7R1E106M; Digikey 445-1434-1-ND|
1210
CN1| 1| | USB Mini B Receptacle| JAE Electronics DX2R005HN2E700; Digikey
670-1190-1-ND| DX2R005HN2E700
CN2, CN3, JMP1, JMP2| 11 Pins| | Cut from 50-Pin Strip| Samtec TSW-150-07-T-S;
Digikey SAM1035-50-ND| 2-pos. shunt, 3-Pin 0.1″ Connector, 4-Pin 0.1″
Connector
CN4| 1| | Molex 4-Pin Vertical Receptacle| Molex 22-02-2045; Digikey
WM3202-ND| Molex 4-Pin 4455-N Vertical2
CP1, CP2, CTAP, DIR, FG, OUTA, OUTB, OUTC, RD, SCL, SDA, SPD, VBB, VBBIN, VCP,
VREF| 16| | Large Test Point| Keystone Electronics 5010; Digikey 5010K-ND| PAD
57 125 TP HB
D1| 1| | Schottky Diode| Diodes Inc. B240-13-F; Digikey B240- FDICT-ND| DO-
214AA
| 4| | Bumping Foot| 3M SJ-5303 (CLEAR); Digikey SJ5303-7-ND| Bumping Foot
J1| 1| | 4-Pin Screw Down Terminal Block| On Shore ED120/4DS; Digikey
ED2227-ND| 4-pin screw down connector2
J2| 1| | 2-Pin Screw Down Connector| On Shore Technology ED120/2DS; Digikey
ED1609-ND| 2-pin screw down connector2
L1| 1| | Ferrite Bead| Laird MI0805K400R-10; Digikey 240-2389-1-ND| 0805
| | | PCB| 85-0793-001 Rev. 2|
R1, R2| 2| 27 Ω| 1/8 W Resistor| Vishay/Dale CRCW080527R0FKEA; Digikey 541-27
.0CCT-ND| 0805
R3, R4, R5, R6| 4| 4.99 kΩ| 1/8 W Resistor| Panasonic ERJ-6ENF4991V; Digikey
P4.99KCCT-ND| 0805
R7, R8, R9| 3| 200 Ω| 1/8 W Resistor| Panasonic ERJ-6GEYJ201V; Digikey
P200ACT-ND| 0805
R10| 1| 2 kΩ| 1/8 W Resistor| Panasonic ERJ-6GEYJ202V; Digikey P2.0KACT-ND|
0805
RNET1| 1| 10 kΩ| 4 Isolated Resistors| CTS 744C083103JP;
Digikey 744C083103JPCT-ND
| CTS 744 Series
SW1| 1| | Dual SPDT Switch| Grayhill 76STC02T; Digikey 76STC02T-ND| 76STC02T
U1| 1| | Fan Driver| A5931xES-T| ES 24-Pin 4×4 QFN
U2| 1| | USB 8-Bit FIFO IC| FTDI FT240XS-R; Digikey 768-1127-1-ND| SSOP-24
(150 mil)
U3| 1| | Dual N-Channel FETs| Rohm UM6K1NTN; Digikey UM6K1NTNCT-ND| SOT-363
W1, W2| 2| | 22 Gauge Buss Wire (300 mils above PCB)| | Scope Ground
ZD1| 1| 16 V| TVS Zener| Littelfuse SMBJ16A; Digikey SMBJ16ALFCT-ND| DO-214AA
RELATED LINKS
A5931 Product Page: https://www.allegromicro.com/en/products/motor-drivers
/bldc-drivers/a5931
Allegro Software Registration Site: https://registration.allegromicro.com/#/
APPLICATION SUPPORT
For applications support contact, go to https://www.allegromicro.com/en /about-allegro/contact-us/technical- assistance and navigate to the appropriate region.
Revision History
| Number | Date | Description |
|---|---|---|
| – | July 5, 2023 | Initial release |
Copyright 2023, Allegro MicroSystems.
Allegro MicroSystems reserves the right to make, from time to time, such
departures from the detail specifications as may be required to permit
improvements in the performance, reliability, or manufacturability of its
products. Before placing an order, the user is cautioned to verify that the
information being relied upon is current.
Allegro’s products are not to be used in any devices or systems, including but
not limited to life support devices or systems, in which a failure of
Allegro’s product can reasonably be expected to cause bodily harm.
The information included herein is believed to be accurate and reliable.
However, Allegro MicroSystems assumes no responsibility for its use; nor for
any infringement of patents or other rights of third parties which may result
from its use.
Copies of this document are considered uncontrolled documents.
Customer Support
Allegro MicroSystems
955 Perimeter Road
Manchester, NH 03103-3353 U.S.A.
www.allegromicro.com
References
- Allegro Customer Portal | Allegro MicroSystems
- Technical Assistance | Allegro MicroSystems
- A5931, A5931-3: Three-Phase Sensorless Fan Driver
Read User Manual Online (PDF format)
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