AH5792-ZG-7 Diodes Inc, AH5792-ZG-7 Datasheet - Page 3

• Manufacturer Part Number: AH5792-ZG-7
• Description: IC FAN MOTOR DRIVER BLDC SOT553
• Manufacturer: Diodes Inc

Specifications of AH5792-ZG-7

• Applications: Fan Motor Driver, Brushless (BLDC)
• Number Of Outputs: 1
• Current - Output: 148mA
• Voltage - Load: 0.6 V ~ 4.4 V
• Voltage - Supply: 1.8 V ~ 5 V
• Operating Temperature: -40°C ~ 100°C
• Mounting Type: Surface Mount
• Package / Case: SOT-553, SOT-5
• Operating Supply Voltage: 2.5 V or 3.3 V
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 100 C
• Minimum Operating Temperature: - 40 C
• Maximum Output Current: 148 mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: AH5792-ZG-7DITR

Functional Block Diagram
Operating
Notes:
AH5792
Document number: DS314641 Rev. 6 - 2
Magentic
Out 2
Out 1
FG
3. In “Normal spinning, the FG shall change its state at each rising edge of OUT2. In “Mechanical lock”, the FG state is kept as the
4. When magnetic is locked as “S” pole, then out1 is kept on “L”, out2 is a clock with Ton/Toff ratio. When magnetic is locked at
5. When “Re-start spinning” occurs, the motor shall ramp up to the “Normal Spinning” speed from zero. It depends on the motor
characteristics.
same as the moment of motor locked detected.
“N” pole, then out 2 is kept on “L”, out 1 is a clock with Ton/Toff ratio.
N
S
(Note 3, 4, 5)
Normal spinning
V
V
dd
SS
Sensor
Hall
motor locked detected
Power
AMP
www.diodes.com
Ton
SINGLE PHASE HALL EFFECT LATCH SMART
3 of 10
Mechanical lock
Toff
Frequency
Generator
Detector
Logic
Block
Lock
Full Bridge
Driver
FAN MOTOR CONTROLLER
FG
O1
O2
“Re-start spinning”
motor locked cleared
AH5792
© Diodes Incorporated
July 2010