FAN8423D3 Fairchild Semiconductor, FAN8423D3 Datasheet - Page 7

• Manufacturer Part Number: FAN8423D3
• Description: Motor / Motion / Ignition Controllers & Drivers BLDC Motor Driver 3Phase 5V Interface
• Manufacturer: Fairchild Semiconductor
• Type: 3 Phase BLDC Motor Driverr

Specifications of FAN8423D3

• Operating Supply Voltage: 15 V
• Supply Current: 1.3 A
• Mounting Style: SMD/SMT
• Package / Case: SSOP-28
• Operating Temperature: - 20 C to + 75 C
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Electrical Characteristics (Continued)
Calculation of Gain & Torque Limit Current
0.255 is GM times R1, is a fixed value within IC.
Vmax (see above block diagram) is set at350mV.
ECR
EC
+
Gm
Absolute
Values
Current / Voltage
Convertor
Itl mA
Vin
+
Gain
VM
R1
Max. output current limiting
=
=
Vmax
--------------- -
VM
Oct. 2000.
0.255
-------------- - A V
Rev. 1.0.1
R
R
S
+
Vmax
S
=
+
+
350 mV
----------------------- -
Negative
Feedback loop
Driver
R
S
I
O
H1
VM
Commutation
Distributor
Power
Transistors
R
CS1 (Pin 28)
S
H2
V
S
+
H3
Output
Current sense
U
W
V
I
O
FAN8423D3
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