OMO ElectronicOMO Electronic
Expand menu
Hello, Sign inMy Account
0 Cart

AH5794-WU-7

P1-P3P4-P6P7-P9P10-P12P13-P13
AH5794
SINGLE PHASE HALL EFFECT LATCH FAN MOTOR DRIVER
AH5794
Document number: DS35809 Rev. 1 - 2
7 of 13
www.diodes.com
March 2012
© Diodes Incorporated
NEW PRODUCT
Application Note
Motor Speed Control
DC Supply Voltage (V
DD
) Speed Control
Motor speed can be controlled by varying the V
DD
supply voltage between 1.8V to 6V.
With 5V nominal motor, changing V
DD
voltage between 5V to 1.8V, speed can be controlled from 100% to 36% typically.
Soft Switching
AH5794 uses soft switching of the motor coil current during commutation for to minimize audible switching noise and
electromagnetic interference (EMI) to provide a low noise solution.
Vdd
Vss
Vout 1
Vout 2
200µs typ.
AH5794
SINGLE PHASE HALL EFFECT LATCH FAN MOTOR DRIVER
AH5794
Document number: DS35809 Rev. 1 - 2
8 of 13
www.diodes.com
March 2012
© Diodes Incorporated
NEW PRODUCT
Thermal Performance Characteristics
(1) Package type: TSOT26
T
A
(°C) 25 50 60 70 75 80 85 90 95 100
P
D
(mW)
651 521 469 417 391 365 339 313 286 260
T
A
(°C)
105 110 115 120 125 130 135 140 145 150
P
D
(mW)
234 208 182 156 130 104 78 52 26 0
-40 25 50 75 100 125 150
105
700
600
500
400
300
200
100
0
650
P
O
WE
R
DISSI
P
A
T
I
O
N (mW)
TEMPERATURE (°C)
Power Dissipation Curve
AH5794
SINGLE PHASE HALL EFFECT LATCH FAN MOTOR DRIVER
AH5794
Document number: DS35809 Rev. 1 - 2
9 of 13
www.diodes.com
March 2012
© Diodes Incorporated
NEW PRODUCT
Thermal Performance Characteristics (cont.)
(2) Package type: U-DFN2020C-6 (Note 10)
T
A
(°C) 25 50 60 70 75 80 85 90 95 100
P
D
(mW) 781 625 563 500 469 438 406 375 344 313
T
A
(°C) 105 110 115 120 125 130 135 140 145 150
P
D
(mW) 281 250 219 188 156 125 94 63 31 0
Notes: 10. U-DFN2020C-6 exposed pad soldered to minimum recommended landing pads (see Package Outline Dimension section) on a two-layer 2oz.
copper FR4 PCB (1.6mm thickness) with no thermal vias in exposed PADs or any copper flood connecting to the landing pattern of the
exposed pad.
-40 25 50 75 100 125 150
105
TEMPERATURE (°C)
Power Dissipation Curve
900
600
500
400
300
200
100
0
800
P
O
WE
R
DISSI
P
A
T
I
O
N
(mW)
700
P1-P3P4-P6P7-P9P10-P12P13-P13

AH5794-WU-7

Mfr. #:
Buy AH5794-WU-7
Manufacturer:
Diodes Incorporated
Description:
Motor / Motion / Ignition Controllers & Drivers 1.8 to 6V BLDC Hall Effect Motor Driver
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet